M0MD40G17-00 WSAN-XSi 10.1-22.2 3/58 · M0MD40G17-00 WSAN-XSi 10.1-22.2 3/58. M0MD40G17-00 WSAN-XSi 10.1-22.2 4/58. M0MD40G17-00 WSAN-XSi 10.1-22.2 5/58. M0MD40G17-00 WSAN-XSi 10.1-22.2

M0MD40G17-00 WSAN-XSi 10.1-22.2 3/58

M0MD40G17-00 WSAN-XSi 10.1-22.2 4/58

M0MD40G17-00 WSAN-XSi 10.1-22.2 5/58

M0MD40G17-00 WSAN-XSi 10.1-22.2 6/58

MAIN PARTS OF THE UNIT

ACCESSORIES

1)MC-SU20,MC-SU25,MC-SU30

Temperature testing

components of total water outlet

111 1

Purpose

Shape

Qty.

UnittransformerInstallation

& OperationManual

Use for installation (only need for setting the main module)

Installation manual of wired

controller

1

1

2

8

7

94

6

3

5

M0MD40G17-00 WSAN-XSi 10.1-22.2 7/58

2)MC-SU45,MC-SU50,MC-SU60

NO.

NAME

1 2 3 4 5 6 7

Air outlet Top cover

Air inlet

Electric control box CondenserCompressor Evaporator

NO.

NAME

8 9

Water outlet

Water intlet

1

2

8

7

9

4

63

5

M0MD40G17-00 WSAN-XSi 10.1-22.2 8/58

1. PRECAUTIONSTo prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring of instructions may cause harm or damage.

Ask your dealer for installation of the air conditioner. Incomplete installation performed by yourself may result in a water leakage, electric shock, and fire.

Ask your dealer for improvement, repair, and maintenance.Incomplete improvement, repair, and maintenance may result in a water leakage, electric shock, and fire.

In order to avoid electric shock, fire or injury, or if you detect any abnormality such as smell of fire, turn off the power supply and call your dealer for instructions.

Never replace a fuse with that of wrong rated current or other wires when a fuse blows out. Use of wire or copper wire may cause the unit to break down or cause a fire.

Do not insert fingers, rods or other objects into the air inlet or outlet.When the fan is rotating at high speed, it will cause injury.

Never use a flammable spray such as hair spray, lacqueror paint near the unit. It may cause a fire.

If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

CAUTIONThis appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.

Do not use the air conditioner for other purposes. In order to avoid any quality deterioration, do not use the unit for cooling precision instruments, food, plants, animals or works of art.

Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord. Otherwise, an electric shock and injury may result.

In order to avoid electric shock or fire, make sure that an earth leak detector is installed.

Be sure the air conditioner is grounded. In order to avoid electric shock, make sure that the unit is grounded and that the earth wire is not connected to gas or water pipe, lightning conductor or telephone earth wire.

In order to avoid injury, do not remove the fan guard of the outdoor unit.

Never inspect or service the unit by yourself. Ask a qualified service person to perform this work.

Do not dispose this product as unsorted municipal waste.Collection of such waste separately for special treatment is necessary.

Keep far away from high-frequency equipment.

Keep away from the following places: a place where it is full of oil gas; places where salty air surrounding(near the coast); a place where is caustic gas(the sulfide in hotspring). Location in the folling places may cause malfunction or shorten the life span of the manchine.

In the cace of extremely strong wind, please prevent the air from flowing backwards into the outdoor unit.

Snow canopy is necessary in sonwfall places on the outdoor unit. Please consult the local dealer for details.

In the frequent thunderstruck place, lightning proof actions should be taken.

To prevent refrigerant leak, contact your dealer. When the system is installed and runs in a small room, it is required to keep the concentration of the refrigerant, if by any chance coming out, below the limit. Otherwise, oxygen in the room may be affected, resulting in a serious accident.

The refrigerant in the air conditioner is safe and normally does not leak. If the refrigerant leaks in the room, contact with a fire of a burner, a heater or a cooker may result in a harmful gas.

Turn off any combustible heating devices, ventilate the room, and contact the dealer where you purchased the unit. Do not use the air conditioner until a service person confirms that the portion where the refrigerant leaks is repaired.

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

WARNING

WARNINGFailure to observe a warning may result in death.

CAUTION

The safety precautions listed here are divided into two categories. In either case, important safety information is listed which must be read carefully.

Failure to observe a caution may result injury or damage to the equipment.

OPERATION & PERFORMANCECONTENTS PAGE

PRECAUTIONS..........................................................................2

TRANSPORTATION ...................................................................................3

INSTALLATION OF THE UNIT ....................................................................4

WATER SYSTEM INSTALLATION..............................................................7

ELECTRIC WIRING..................................................................................14

TRIAL RUN..............................................................................................19

USE.........................................................................................................20

MAINTENANCE AND UPKEEP .................................................................24

APPLICABLE MODELS AND MAIN PARAMETERS...............................30

ATTACHED PICTURE (I) .........................................................................31

ATTACHED PICTURE (II)......................................................................32

M0MD40G17-00 WSAN-XSi 10.1-22.2 9/58Installation manual 1 -

Do not operate the air conditioner with a wet hand. An electric shock may happen.

Do not touch the heat exchanger fins. These fins are sharp and could result in cutting injuries.

After a long use, check the unit stand and fitting for damage. If damaged, the unit may fall and result in injury.

To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used together with the air conditioner.

Arrange the drain hose to ensure smooth drainage.Incomplete drainage may cause wetting of the building, furniture etc.

Never expose little children, plants or animals directly to the air flow. Adverse influence to little children, animals and plants may result.

Notice to avoid places where operation noise may easily be spread away or be enhanced.

Noise can be amplified by anything blocking the air outlet of outdoor unit.

Choose a proper place that the noise and hot or cold wind blown out of the outdoor unit will not bring inconvenience to your neighbors and not affect the growth or animal or plant.

2. TRANSPORTATION

Recommending locate and operate the equipment at the altitude height not exceeded than 1000m.

Endurable temperature during transportation is -25℃~55℃. Such equipment could endure 70℃ of the maximum temperature in 24hrs.

Do not allow a child to mount on the outdoor unit or avoid placing any object on it. Falling or tumbling may result in injury.

Do not operate the air conditioner when using a room fumigation - type insecticide. Failure to observe could cause the chemicals to become deposited in the unit, which could endanger the health of those who are hypersensitive to chemicals.

Do not place appliances which produce open fire in places exposed to the air flow from the unit or under the indoor unit. It may cause incomplete combuston or deformation of the unit due to the heat.

Do not install the air conditioner at any place where flammable gas may leak out. If the gas leaks out and stays around the air conditioner, a fire may break out.

The appliance is not intended for use by young children or infirm persons withoutsupervision.

Young children should be supervised to ensure that they do not play with the appliance.

Handling of the unit

The angle of inclination should not be more than 15º when carrying the unit, to avoid overturn of the unit.a. Rolling handling: several rolling rods of the same size are placed under the base of the unit, and the length of each rod must bemore than the outer frame of the base and suitable for balancing of the unit.b. Lifting: the strength lifting rope (belt) can bear should be 4 times the weight of the unit. Check the lifting hook and ensure that it isfirmly attached to the unit. To avoid damages to the unit, the contact position of the unit and lifting rope should be provided with an atleast 50mm thick wood block, cloth or hard paper. Any person is not allowed to stand below the unit when lifting it.

Fig. 2-1 Lifting of the unit

Lift ed cable Lift ed cable

Lift ed hook

Thickness wood, cl o t h o r h ard paper ( 4 places)

UNIT

Hoisting insta l la tion, uni latera l d is tance from uni t body should not less than 50mm


3. INSTALLATION OF THE UNIT

3.1 Selection of installation sites

3.1.1 The unit can be installed on the ground or on the suitable roof, but enough ventilation volume should be ensured in both cases. 3.1.2 The unit should not be installed where noise and vibration are required to a certain extent. 3.1.3 The installed unit should be sheltered from direct sunlight as much as possible, and be far away from boiler flues and ambient air which may erode condenser coils and copper tube parts of the unit. 3.1.4 If the installed unit can be approached by unauthorized persons, safety measures of isolation should be taken, such as rail guards. These measures will avoid artificial damages and accidental damages, and prevent the control boxes from being opened leading to exposure of electric components in operation. 3.1.5 The height of the installation foundation for the unit should not be less than 300mm, and floor drains are required in installation sites, to ensure smooth drainage and remove any seeper. 3.1.6 In case of installation on the ground, the steel base of the unit should be located on the concrete foundation, and the concrete plinth should extend below frozen soil layer. The foundation of the unit should not be connected to the foundation of the building, to avoid affecting the people due to transfer of noise and vibration. The base of the unit is provided with installation holes, which can be used to connect the unit and the foundation firmly. 3.1.7 In case of installation on the roof, the roof must possess enough strength to sustain weight of the unit and maintenance personnel. The unit can be supported on concrete foundations or channel steel frames similar to those used in the unit installation on the ground. The load-bearing channel steel must be in alignment with the installation holes of the unit damper, and the channel steel should possess enough width for installing the damper. 3.1.8 Consult the building contractor, the architectural designer or other specialists about the cases with special installation requirements.

NOTEThe selected installation site of the unit should facilitate connection of water pipes and wires, and be free from water inlet of oil fume, steam or other heat sources. Besides, the noise of the unit and cold and hot air should not influence the surrounding environment.

3.2 Outline dimensional drawing

Left view

Top view

3.2.1 MC-SU20,MC-SU25,MC-SU30

3.2.2 MC-SU45,MC-SU50,MC-SU60

E

D

F

B

Fig. 3-1

A

C

Front view

A

B

Top view

C

Left view

F

D

E

Front view

Front view


Table 3-1

3.3 Requirements of arrangement space of the unit3.3.1 Requirements of arrangement space of the unit

3.3.1.1 To ensure adequate airflow entering the condenser, the influence of descending airflow caused by the high-rise buildings around upon the unit should be taken into account when installing the unit. 3.3.1.2 If the unit is installed where the flowing speed of air is high, such as on the exposed roof, the measures including sunk fence and Persian blinds can be taken, to prevent the turbulent flow from disturbing the air entering the unit. If the unit needs to be provided with sunk fence, the height of the latter should not be more than that of the former; if Persian blinds are required, the total loss of static pressure should be less than the static pressure outside the fan. The space between the unit and sunk fence or Persian blinds should also meet the requirement of the minimum installation space of the unit. 3.3.1.3 If the unit needs to operate in winter, and the installation site may be covered by snow, the unit should be located higher than the snow surface, to ensure that air flows through the coils smoothly.

A

B

D

C

E

Fig. 3-3

Input of airflow

Input of airflow

Input of airflowInput of airflow

Installation space (mm)

A

B

C

D

E

≥800

≥800

≥800

≥800

≥6000

Table 3-2

NOTEAfter installing the spring damper, the total height of the unit will increase by 135mm or so. The ports of inlet and outlet pipes should be flange ports, and flanges should be hubbed slip-on-welding steel pipe flanges.

Bottom view

G

H

Hole for anchor boltΦ15

A

Main unit

Main unit

Fig. 3-2

A

B

C

D

E

F

G

H

ModelMC-SU45MC-SU50MC-SU60

2220

1055

1325

234

210

470

1105

958

MC-SU20MC-SU25MC-SU30

1870

1000

1175

204

200

470

788

880


3.4 Installation foundation

a. The unit should be located on the horizontal foundation, theground floor or the roof which can bear operating weight of theunit and the weight of maintenance personnel. Refer to Table9.1 (Table of applicable models and parameters) for operatingweight.b. If the unit is located so high that it is inconvenient formaintenance personnel to conduct maintenance, the suitablescaffold can be provided around the unit.c. The scaffold must be able to bear the weight of maintenancepersonnel and maintenance facilities.d. The bottom frame of the unit is not allowed to be embeddedinto the concrete of installation foundation.

3.4.1 Location drawing of installation foundation of the unit: (unit: mm)

80

Concrete Cement mortarDrainage channel

Fig. 3-6

3.5 Installation of damping devices

3.5.1 Damping devices must be provided between the unit and its foundation.

By means of the Φ15mm diameter installation holes on the steel frame of the unit base, the unit can be fastened on the foundation through the spring damper. See Fig.3-3(Schematic diagram of installation dimension of the unit) for details about center distance of the installation holes. The damper does not go with the unit, and the user can select the damper according to the relevant requirements. When the unit is installed on the high roof or the area sensitive to vibration, please consult the relevant persons before selecting the damper.

3.5.2 Installation steps of the damper

Step 1. Make sure that the flatness of the concrete foundation is within ±3mm, and then place the unit on the cushion block. Step 2. Raise the unit to the height suitable for installation of the damping device. c. Remove the clamp nuts of the damper.Step 3. Place the unit on the damper, and align the fixing bolt holes of the damper with the fixing holes on the unit base. Step 4. Return the clamp nuts of the damper to the fixing holes on the unit base, and tighten them into the damper. Step 5. Adjust the operational height of the damper base, and screw down the leveling bolts. Tighten the bolts by one circle to ensure equal height adjustment variance of the damper. Step 6. The lock bolts can be tightened after the correct operational height is reached.

Damping device

Anchor bolt M12

Nut

Ferrol

It is recommended that the damper should be fastened on the foundation with the provided holes. After the unit is placed on the foundation, the damper connected with the unit should not be moved, and the central clamp nut is not allowed to be tightened before the damper sustains load.

Fig. 3-7

NOTE

Schematic diagram of installation dimension of MC-SU20,MC-SU25,MC-SU30.

Fig. 3-4

2000

Drainage channel Anchor bolt

78888

0

Schematic diagram of installation dimension of MC-SU45,MC-SU50,MC-SU60.

Fig. 3-5

2040

Drainage channel Anchor bolt

1105

958


4. WATER SYSTEM INSTALLATION

4.1 Basic requirements of connection of chilled water pipes

CAUTION

● After the unit is in place, chilled water pipes can be laid.● The relevant installation regulations should be abided withwhen conducting connection of water pipes.● The pipelines should be free of any impurity, and all chilledwater pipes must conform to local rules and regulations ofpipeline engineering.

k. All low positions of the water system should be providedwith drainage ports, to drain water in the evaporator and thesystem completely; and all high positions should be suppliedwith discharge valves, to facilitate expelling air from thepipeline. The discharge valves and drainage ports shouldnot be under heat preservation, to facilitate maintenance.

l. All possible water pipes in the system to be chilled shouldbe under heat preservation, including inlet pipes and flangesof the heat exchanger.

m. The outdoor chilled water pipelines should be wrappedwith an auxiliary heating belt for heat preservation, and thematerial of the auxiliary heat belt should be PE, EDPM, etc.,with thickness of 20mm, to prevent the pipelines fromfreezing and thus cracking under low temperature. Thepower supply of the heating belt should be equipped with anindependent fuse.

n. When the ambient temperature is lower than 2℃, and theunit will be not used for a long time, water inside the unitshould be drained. If the unit is not drained in winter, itspower supply should not be cut off, and the fan coils in thewater system must be provided with three-way valves, toensure smooth circulation of the water system when theanti-freezing pump is started up in winter.

o. The common outlet pipelines of combined units should beprovided with mixing water temperature sensor.

WARNING● For the water pipeline network including filters and heatexchangers, dreg or dirt may seriously damages the heatexchangers and water pipes.● The installation persons or the users must ensure thequality of chilled water, and de-icing salt mixtures and airshould be excluded from the water system, since they mayoxidize and corrode steel parts inside the heat exchanger.

● Connection requirements of chilled water pipesa. All chilled water pipelines should be thoroughly flushed, tobe free of any impurity, before the unit is operated. Anyimpurity should not be flushed to or into the heat exchanger.

b. Water must enter the heat exchanger through the inlet;otherwise the performance of the unit will decline.

c. The inlet pipe of the evaporator must be provided with atarget flow controller, to realize flow-break protection for theunit. Both ends of the target flow controller must be suppliedwith horizontal straight pipe sections whose diameter is 5times that of the inlet pipe. The target flow controller must beinstalled in strict accordance with “Installation & RegulationGuide for Target Flow Controller” (Figure 4.3~4.4). The wiresof the target flow controller should be led to the electriccabinet through shielded cable (see Electric ControllingSchematic Diagram for details). The working pressure of thetarget flow controller is 1.0MPa, and its interface is 1 inch indiameter. After the pipelines are installed, the target flowcontroller will be set properly according to the rated waterflow of the unit.

d. The pump installed in the water pipeline system should beequipped with starter. The pump will directly press water intothe heat exchanger of the water system.

e. The pipes and their ports must be independentlysupported but should not be supported on the unit.

f. The pipes and their ports of the heat exchanger should beeasy to disassemble for operation and cleaning, as well asinspection of port pipes of the evaporator.

g. The evaporator should be provided with a filter with morethan 40 meshes per inch at site. The filter should beinstalled near to the inlet port as much as possible, and beunder heat preservation.

h. The by-pass pipes and by-pass valves as shown in Fig.4-1 must be mounted for the heat exchanger, to facilitatecleaning of the outside system of water passage before theunit is adjusted. During maintenance, the water passage ofthe heat exchanger can be cut off without disturbing otherheat exchangers.

i. The flexible ports should be adopted between the interfaceof the heat exchanger and on-site pipeline, to reducetransfer of vibration to the building.

j. To facilitate maintenance, the inlet and outlet pipes shouldbe provided with thermometer or manometer. The unit is notequipped with pressure and temperature instruments, sothey need to be purchased by the user.


4.2 Connection drawing of pipeline system

Stop valve Pressure gauge Gate valveFlexible joint

Y-shaped filter Thermometer Circulating pump Check valve

Automatic discharge valve

Symbol explanation

Fig. 4-1

Main unit

Expansion tank

Water replenishing

Dirt discharge valve

Differential pressure by-pass valve

Drain valve

Two-way valve

Three-way valve

Terminal

Auxiliary electric heater

unit

unit

Y-type filter,requiring≥ 16 mesh

This is the water system of standard module, which pump is not provided.


In certain occasion (especially in manufacture cooling process), for conforming the system water content requirement, it’s necessary to mount a tank equipping with a cut-off baffle at the system to avoid water short-circuit, Please see the following schemes:

kW is the unit for cooling capacity and L is the unit for G water flow in the formula counting the minimum water flow.Comfortable type air conditionerG= cooling capacity×2.6L

Process type type coolingG= cooling capacity×7.4L

ErrorRecommendation

Fig.4-4

RecommendationError

4.7 Selection and installation of the pump4.7.1 Select the pump

a. Select the water-flow of the pumpThe rated water-flow must no less than the unit rated water-flow;in terms of multi-connect the units, that water-flow must no lessthan total units’ rated water-flow.b. Select the left of the pump.H=h1+h2+h3+h4H: The lift of the pump.h1: Main unit water resistance.h2: Pump water resistance.h3: Water resistance of the longest water-loop distance, includes: pipe resistance, different valve’s resistance, flexible pipe resistance, pipe elbow and three-way resistance, two-way resistance or three-way resistance, as well as filter resistance.H4: the longest terminal resistance.

4.7.2 Installation the pump

a. The pump should be installed at the water inlet pipe, both ofwhich sides must mount the soft connectors for vibration-proof.b. The backup pump for the system (recommended).c. Units must with a main unit controls (Please see Fig. 5-3 forthe controls wiring diagram).

4.3 Design of the tank in the system

The minimum chilled water flow is shown in the table 4-1

If the system flow is less than the minimum unit flow rate, the evaporator flow can be recirculated, as shown in the diagram.

4.5 Maximum chilled water flow

The maximum chilled water flow is limited by the permitted pressure drop in the evaporator. It is provided in the table 4-1

If the system flow is more than the maximum unit flow rate, bypass the evaporator as shown in the diagram to obtain a lower evaporator flow rate.

4.4 Minimum chilled water flow

For maximum chilled water flow rate

Evaporator

Recirculation

For minimum chilled water flow rate

Fig. 4-2

4.6 Minimum and Maximum water flow rates

Evaporator

Recirculation

Fig. 4-3

Table 4-1

Waterflow rate(m3/h)

MaximumMinimumItem

Model

13.0MC-SU45(50)(60) 8.0

6.4MC-SU20(25)(30) 3.8


4.8 Water quality control

4.8.1 Water quality control

When industrial water is used as chilled water, little furring may occur; however, well water or river water, used as chilled water, may cause much sediment, such as furring, sand, and so on. Therefore, well water or river water must be filtered and softened in softening water equipment before flowing into chilled water system. If sand and clay settle in the evaporator, circulation ofchilled water may be blocked, and thus leading to freezing accidents; if hardness of chilled water is too high, furring may occur easily, and the devices may be corroded. Therefore, the quality of chilled water should be analyzed before being used, such as PH value, conductivity, concentration of chloride ion, concentration of sulfide ion, and so on.

<50ppm

<50ppm

<30ppm

<200μV/cm(25℃)

<0.3ppm

<50ppm

<50ppm

4.8.2 Applicable standard of water quality for the unit

PH value

Total hardness

Conductivity

Sulfide ion

Chloride ion

Ammonia ion

Sulfate ion

Silicon

Iron content

Sodium ion

Calcium ion

No

No

No requirement

Table 4-2

7～8.5

4.9 Installation & regulation guide for target flow controller

4.9.1 Please carefully check flow switches before conducting installation of the target flow controller. Packing should be in good condition, and the appearance should be free of damage and deformation. If any problem, please contact the manufacturer.

4.9.2 Flow switches can be installed in the horizontal pipeline or the vertical pipeline with upward flowing direction but cannot be mounted in the pipeline with downward flowing direction. The inlet water of gravity should be taken into account when flow switches are installed in the pipeline with upward flowing direction.

4.9.3 Target flow controller must be installed on a section of straight-line pipeline, and its both ends must be supplied with straight-line pipes whose length is at least 5 times diameter of the pipe. In the meanwhile, the fluid flowing direction in the pipeline must be consistent with the direction of arrow on the controller. The connection terminal should be located where wiring connectioncan be easily done.

4.9.4 Pay attention to the following items when conducting installation and wire connection: a. Collision of the wrench with the soleplate of the flow switch isprohibited, since such collision may cause deformation andfailure of the flow switch.b. To avoid electric shock and damages to the devices, thepower supply should be cut off, when wires are connected oradjustment is done.c. When wiring connection is conducted, adjustment of otherscrews except connection terminals of micro switches andground screws is prohibited. In the meanwhile, over great forceshould not applied when wires of micro switches are connected,otherwise micro switches may suffer displacement, thus leadingto failure of flow switches.d. Special grounding screws should be used for earthconnection. Bolts should not be installed or removed at will;otherwise flow switches may suffer deformation and failure.e. Flow switches have been set at minimal flow value prior toex-factory. They should not be adjusted below the ex-factorysetting value, or they may suffer failure. After installing flowswitches, please press the flow switch lever several times tocheck them. When the lever is found not to respond with“clatter”, rotate the screw in a clockwise direction, until “clatter”occurs.f. Be sure to determine the model of target slice according tothe rated flow of the unit, the diameter of the outlet pipe and theadjustment range of the target slice of the flow switch. Besides,the target slice should not contact with other restrictors in thepipeline or on the inner wall of the pipeline, or the flow switchcannot be reset normally.

4.9.5 Determine whether the flow switch and the system connected with it are in good operation according to the measured value by flow meter, namely, when the measured value on flow meter is less than 60% of rated water flow of the unit, the target flow controller should be cut off and observed for 3 working periods, and it should be covered with flow switch shell timely.


4.10 Installation of single-module water system pipeline

Fig. 4-5

MC-SU20,MC-SU25,MC-SU30

Fig. 4-6

MC-SU45,MC-SU50,MC-SU60

Water inlet

Water outlet

Total water outlet temperature sensor

Electric control box

Electric control box

Water inlet

Water outlet

Total water outlet temperature sensor


5. ELECTRIC WIRING

5.2 Power supply specification

Table 5-1

Outdoor power supply

Powersupply

Manual switch

Fuse WiringItem

Model

380-415V3N~50Hz 50A 36A 10mm2

(<20m)

5.3.1 No additional control components are required in the electric cabinet (such as relay, and so on), and the power supply and control wires not connected with the electric cabinet are not allowed to go through the electric box. Otherwise, electromagnetic interference may cause failure of the unit and control components and even damages to them, which thus lead to protective failure. 5.3.2 All cables led to the electric box should be supported independently but by the electric box. 5.3.3 The strong current wires generally pass the electric box, and 220-230V alternating current may also pass the control board, sowiring connection should conform to the principle of separation ofstrong current and weak current, and the wires of power supplyshould be kept more than 100 mm away from the control wires.5.3.4 Only use 380-415V 3N~50Hz rated power supply for theunit.5.3.5 All electric wires must conform to local wiring connectionnorm. The suitable cables should be connected to power supplyterminal through wiring connection holes at the bottom of theelectric cabinet. According to Chinese standard, the user isresponsible for providing voltage and current protection for theinput power supply of the unit.

5.3 Requirements of wiring connection

5.3.6 All power supplies connected to the unit must pass one manual switch, to ensure that the voltages on all nodes of electric circuit of the unit are released when the switch is cut off. 5.3.7 The cables of correct specification must be used to supply power for the unit. The unit should use independent power supply, and the unit is not allowed to use the same power supply together with other electric devices, to avoid over-load danger. The fuse or manual switch of the power supply should be compatible with working voltage and current of the unit. In case of parallel connection of multiple modules, the requirements of wiring connection mode and configuration parameters for the unit are shown in the following figure. 5.3.8 Some connection ports in the electric box are switch signals, for which the user needs to provide power, and the rated voltage of the power should be 220-230VAC. The user must be aware that all power supplies they provided should be obtained through power circuit breakers (provided by the user), to ensure that all voltages on the nodes of the provided power supply circuit are released when the circuit breakers are cut off. 5.3.9 All inductive components provided by the user (such as coils of contactor, relay, and so on) must be suppressed with standard resistance-capacitance suppressors, to avoid electromagnetic interference, thus leading to failure of the unit and its controller and even damages to them. 5.3.10 All weak current wires led to the electric box must apply shielded wires, which must be provided with grounding wires. The shield wires and power supply wires should be laid separately, to avoid electromagnetic interference. 5.3.11 The unit must be provided with grounding wires, which are not allowed to be connected with the grounding wires of gas fuel pipelines, water pipelines, lightning conductors or telephones. Improper earth connection may cause electric shock, so please check whether earth connection of the unit is firm or not frequently.

5.4 Wiring steps

Step 1. Check the unit and ensure that it is connected with grounding wires correctly, to avoid leakage, and the grounding devices should be mounted in strict accordance with the requirements of electrical engineering rules. The grounding wires can prevent electric shock. Step 2. The control box of the main power switch must be mounted in a proper position.Step 3. Wiring connection holes of the main power should be provided with glue cushion. Step 4. The main power and neutral wires and grounding wires of power supply are led into the electric box of the unit.

5.1 Electric wiring

1. The air-conditioner should apply special power supply, whosevoltage should conform to rated voltage.2. Wiring construction must be conducted by the professionaltechnicians according to the labeling on the circuit diagram.3. The power wire and the grounding wire must be connectedthe suitable terminals.4. The power wire and the grounding wire must be fasten up bysuitable tools.5. The terminals connected the power wire and the groundingwire must be fully fastened and regularly checked, in case tobecome flexible.6. Only use the electric components specified by our company,and require installation and technical services from themanufacturer or authorized dealer. If wiring connection fails toconform to electric installation norm, failure of the controller,electronic shock, and so on may be caused.7. The connected fixed wires must be equipped with fullswitching-off devices with at least 3mm contact separation.8. Set leakage protective devices according to the requirementsof national technical standard about electric equipment.9. After completing all wiring construction, conduct careful checkbefore connecting the power supply.10. Please carefully read the labels on the electric cabinet.11. The user’s attempt to repair the controller is prohibited, sinceimproper repair may cause electric shock, damages to thecontroller, and so on. If the user has any requirement of repair,please contact the maintenance center.12.The power cord type designation is H07RN-F.

CAUTION


380-415V3N~50Hz 100A 70A 25mm2

(<20m)



5.5 Electric control schematic diagram of the unit

5.5.1 Schematic diagram of connection and communication of the main unit and subordinate units (see Attached Picture)5.5.2 Indicating diagram of electric control of main control board (see Fig.5-4)

Fig.5-4

The picture is for reference only, refer to the actual board.

An all-pole disconnection device which has at least 3mm separation distance in all pole and a residual current device(RCD)with the rating of above 10 mA shall be incorporated in the fixed wiring according to the national rule. The appliance shall be installed in accordance with national wiring regulationgs.

CAUTION

4

33

13

22

11 7

26

12

5

6

3231

29

9

814

27

2

28

3

23

1

24

25

15

30

10

1617

18

19

20

21

34

3536

Step 5. The wires of the main power must pass the bonding clamp. Step 6. Wires should be connected firmly to the connection terminals A, B, C and N. Step 7. Phase sequences must be consistent when the wires of the main power. Step 8. The main power should be located out of easy reach of non-professional maintenance personnel, to avoid mal-operation and improve safety. Step 9. Connection of control wires of auxiliary electric heaters: the control wires of AC contactor of the auxiliary electric heater must pass the connection terminals CN19_L and CN19_N of the main unit, as shown in Fig. 5-2.Step 10. Connection of control wires of pump: the control wires of AC contactor of pump must pass the connection terminals CN1 or CN2 of the main unit, as shown in Fig. 5-3.Step 11. The connection way of the wire controller connects with every signal wires from package units: signal wires P, Q, E are connected in the same way of main wires connection method and accordingly connect to the terminals P, Q, E in the wire controller.

CN19_Ｌ

Fig.5-2

Pow

er s

uppl

y (2

20-2

40V

~50H

z)

Overcurrent relay

Control coil of AC contactor

Fig.5-3

Pow

er s

uppl

y (2

20-2

40V

~50H

z)

Overcurrent relay

Control coil of AC contactor

Switch (For trial run of pump)

CN19_N

CN2 or CN1


5.6 Detail description for parts in fig. 5-4

1

2

3

4

5

6

Detail information

I1：Detection of current of the compressor A (protection code P4) I2：Detection of current of the compressor B (protection code P5)

7

8

No.

Table 5-2

10

Outdoor fan , controlled by T4

One compressor of the system

Electronic expansion valve of the system

signal communication port (fault code E2)

T4: outdoor ambient temperature sensor (fault code E7) T3 ：pipe temperature sensor of the condenser (fault code E5 and protection code P7) 1)T4: if there is one system that requires starting outdoor fans, the fans are started through electric control of

the unit. Start outdoor fan A only, start A and B gears, and control the unit through T4.2)T3: when the electric control of the unit detects the temperature of the outdoor pipe T3 of the system

exceeds the protective temperature 65℃ the corresponding system will be shut down. And it will be re-startedup, after the temperature drops below the recovery temperature 60℃. Another system will be not affected.

3)T4, T3: when the temperature sensor is detected to suffer open circuit or short circuit, fault alarm will occur. Whenthe main unit suffer fault of temperature sensor: the main unit and subordinate units will be shut down.When thesubordinate unit suffer fault of temperature sensor: the unit will be shut down, but other subordinate units will notbe affected.

Taf1: Shell and tube low-temperature ant-freeze sensor1 (fault code 1 Eb)TZ/7: Total cooling temperature test portTP2:Compressor exhaust temperature detecting port of the systemBTP1:Compressor exhaust temperature detecting port of the systemA

Th:Compressor back gas temperature detecting port Taf2: Shell and tube low-temperature ant-freeze sensor 2 (fault code 2 Eb)Two: Unit outlet water temperature sensor (fault code E4) Under refrigeration mode and heating mode, conduct adjustment according to the magnitude of unit outlet water temperature.Adjustment range of constant speed capability: ON and OFF.Twi: Inlet water temperature sensor (fault code EF)Tw: Total outlet water temperature sensor (fault code E3) Only the main unit is valid, and the subordinate units are invalid.Under refrigerating mode and heating mode, conduct adjustment according to the magnitude of total outlet watertemperature. Adjustment range: Load, stabilize, unload, Emergency Stop.

Low pressure sensor

Module temperature test port Module temperature is higher than 82℃ when shutdown protection PL

9

11I1：Detection of current of the compressor A (protection code P4) I2：Detection of current of the compressor B (protection code P5)

Low voltage protection switch12

13 high-pressure protection and discharge temperature switch protection (protection code P0)


14

15

16

17

18

Detail informationNo.

19/20

21

22

23

24

25

CN58/CN59：Filter board power supply port

CN44：Remote control port If the port is closed, it is the heating mode; if the port is disconnected, it is the cooling mode

CN44：Water flow detection (fault code of the main unit E9) is only valid for the main unit but invalid for subordinate units.1) Main unit: if abnormal water flow occurs , the main unit board and the wired controller will display fault code E9.2) Subordinate unit: (water flow detection will not be done).

CN21：The alarm signal output of the unit(ON/OFF signal)

CN19：Auxiliary electric heater Attention: the control port value of auxiliary electric heater actually detected is ON/OFF but not 220-230V control power supply, so special attention should be paid when installing the auxiliary electric heater. Attention!Under heating mode, when the main unit board detects total water outlet temperature to be lower than 45℃，the switch will be closed, and the auxiliary electric heater will begin to work; when the total water outlet temperature is higher than 50℃，the switch will be opened, and the auxiliary electric heater will stop working.

CN2：Pump2 signal switch,functional equivalence CN1.

CN1：PUMP1 Attention: the control port value of the pump actually detected is ON/OFF but not 220-230V control power supply，so special attention should be paid when installing the pump.1）After receiving start-up instruction, the pump will be started up instantly, and will maintain start-up state always in the

process of operation.2）In case of refrigerating or heating shutdown, the pump will be shut down 2 minutes after all modules stop operating.3）In case of shutdown under the pump mode, the pump can be directly shut down.

CN30：Input of three-phase four-wire power supply (fault code E1)Three phases A, B and C of power supply should exist simultaneously, and the difference of phase angle should be 120º among them. If the conditions are not met, fault of phase sequence or phase lack may occur, and fault code will be displayed. When the power supply returns to normal condition, fault is removed. Attention: phase lace and phase dislocation of power supply are detected only in the early period after the power supply is connected, and they are not detected while the unit is in operation.

S5：1)The cooling water temperature of the conventional cooling water/ cooling water temperature selection (dial code S5-1) host is valid,and the master slave machine needs a unified code.

2)Remote control function selection(dial code S5-4)host effective3)Pump control units selection(dial code S5-3)

ENC2：Outdoor unit capacity code

ENC1：When the address is 0, it serves as the main unit When the address is 1,2,3……F, it serves as the subordinate unit 1,2,3……15.Each unit has the same electric control function, and the main unit and subordinate units can be set through address code on the electric control board. The address code 0 #is provided as the main unit. The priority of being the main unit is given to the unit with digitalcompressor, and other addresses are subordinate units. Only the unit is chosen as the main unit, its electric control can activate such functions asdirect communication with the wired controller, refrigerating and heating capability adjustment, pump control, auxiliary electric heater control, total effluent temperature detection and water flowswitch detection.

26

CN44：Remote control port(ON/OFF signal,effect on NO.0 unit)


1. FaultsWhen the main unit suffers faults, the main unit stops operating, and all other units also stop running;When the subordinate unit suffers faults, only the unit stops operating, and other units are not affected.2. ProtectionWhen the main unit is under protection, only the unit stops operating, and other units keep running;When the subordinate unit is under protection, only the unit stops operating, and other units are not affected.

CAUTION

27

Detail informationNo.

28

29

30

Numerical code tube1) In case of stand-by, the address of the module is displayed;2) In case of normal operation, 10. is displayed (10 is followed by dot).3）In case of fault or protection, fault code or protection code is displayed.

Input of transformer, 220-230V AC current. (only valid for the main unit)

Spot check. The operating status of outdoor system can be observed through spot check, and specific display contents are as shown in the following figure:

● Display contents of “operating mode”: 1. cooling; 2. heating; 4. pump; 8. Stand-by● Display contents of “number of online units”: the main unit can display the number of online units, and thesubordinate unit displays 0.

Normal display

Operating mode Operating capability of the compressor B Number of online units Outdoor ambient temp. Temp. of the condenser A

T61 frost-proof temp Unit outlet water temp Unit inlet-water temp Temp. of the condenser B

TXV opening A TXV opening B Operating current of system A Operating current of system B The last failure

Quick return oil solenoid valve

31 Parameter chip

32

33

34

35

Program burn in prot

Four-way valve of the system B

Plate heat exchange antifreeze and tropical

Compression electromechanical heating belt

36 Target flow switch electric heating belt control port


6. TRIAL RUN6.1 Points for attention prior to trial run

6.1.1 After the water system pipeline is flushed several times, please make sure that the purity of water meets the requirements; the system is re-filled with water and drained, and the pump is started up, then make sure that water flow and the pressure at the outlet meet the requirements. 6.1.2 The unit is connected to the main power 12 hours before being started up, to supply power to the heating belt and pre-heat the compressor. Inadequate pre-heating may cause damages to the compressor. 6.1.3 Setting of the wired controller. See details of the manual concerning setting contents of the controller, including such basic settings as refrigerating and heating mode, manual adjustment and automatic adjustment mode and pump mode. Under normal circumstances, the parameters are set around standard operating conditions for trial run, and extreme working conditions should be prevented as much as possible. 6.1.4 Carefully adjust the target flow controller on the water system or the inlet stop valve of the unit, to make the water flow of the system be 90% of the water flow specified in Table 7-1.

6.2 Check item table after installation

Checking item Description Yes No

Whether installing site is meet for requirements

Whether water system is meeting for requirements

Whether electric wiring system is meeting for requirements

Units are fixed mounting on level base.

Ventilating space for heat exchanger at the air side is meeting for requirement

Maintenance space is meeting for requirement.

Noise and vibration is meeting for requirement.

Sun radiation and rain or snow proof measures are meeting for requirements.

External physical is meeting for requirement.

Pipe diameter is meeting for requirement

The length of system is meeting for requirement

Water discharge is meeting for requirement

Water quality control is meeting for requirement

Flexible tube’s interface is meeting for requirement

Pressure control is meeting for requirement

Thermal insulation is meeting for requirement

Wire capacity is meeting for requirement

Switch capacity is meeting for requirement

Fuse capacity is meeting for requirement

Voltage and frequency are meeting for requirement

Connecting tightly between wires

Operation control device is meeting for requirement

Safety device is meeting for requirement

Chained control is meeting for requirement

Phase sequence of power supply is meeting for requirement

Table 6-1


6.3 Trial run

6.3.1 Start up the controller and check whether the unit displays a fault code. If a fault occurs, remove the fault first, and start the unit according to the operating method in the “unit control instruction”, after determining that there is no fault existing in the unit. 6.3.2 Conduct trial run for 30 min. When the influent and effluent temperature becomes stabilized, adjust the water flow to nominal value, to ensure normal operation of the unit. 6.3.3 After the unit is shut down, it should be put into operation 10 min later, to avoid frequent start-up of the unit. In the end, check whether the unit meets the requirements according to the contents in Table 9.1.

CAUTION

7. USE

● The unit can control start-up and shut-down of the unit, sowhen the water system is flushed, the operation of the pumpshould not be controlled by the unit.● Do not start up the unit before draining the water systemcompletely.● The target flow controller must be installed correctly. The wiresof the target flow controller must be connected according to electric control schematic diagram, or the faults caused by water breaking while the unit is in operation should be the user’s responsibility. ● Do not re-start the unit within 10 min after the unit is shut downduring trial run.● When the unit is used frequently, do not cut off the powersupply after the unit is shut down; otherwise the compressorcannot be heated, thus leading to its damages.● If the unit is not in service for a long time, and the powersupply needs to be cut off, the unit should be connected to the power supply 12 hours prior to re-starting of the unit, to pre-heat the compressor,the pump,the plate heat exchanger and the differential pressure value. .

7.1 Use conditions of the unit

ON/OFF button

Menu button, for selecting functions

Upward, downward, leftward and rightward selection buttons

BACK button UNLOCK button: Hold this button to unlock

OK button

MENU

Lock icon

Timericon

Anti-freezing on

Alarmicon

Silent mode on

Water pump onExternal electric heater on

Number of parallel units

Compressor operating

Heating mode

Cooling mode

Auto modeA

Set temperature


Fan onCentralized control

access of network

7.2 Overview of Wired Controller


7.3 ON/OFF 7.4 Control and protection function of unit

7.4.1 The unit has the following protection functions

1) Current cut-off protection2) Power supply phase sequence protection3) Protection for over-low suction pressure4) Protection for compressor overcurrent5) Protection for compressor overload6) Anti-freezing protection7) Protection for over-high discharge pressure8) Protection for outlet and inlet water temperature

7.4.2 The unit also has other control functions

1) Plug and play system2) RS-485/TS232 Standard serial communication port

Turn on the unit

Press “MENU” key to set the intended mode.

Power up to module unit and initially deliver power to wired controller.

Press “Add/Reduce” key to set the intended temperature.

Press “OK” key to save the settings.Unit will run after press “ON/OFF” key 7 minutes later.

Turn off the unit

When intend to shut the unit

Press “ON/OFF” keyTo select turn-off settings

Fig.7-2

When the wired controller is unlocked and the unit is on, "ON/OFF" can be pressed to power off the unit under the home page only; when the unit is off, press "ON/OFF" to power on the unit. The mode can be switched under the power-off mode only.


7.5 Troubleshooting

Table 7-1

Error Possible reason

Air or other non-condensing gas still in the system

Detect and settle measure

Discharge gas from fluorin charging inlet. Re-vacuum the system if necessary.

Air or other non-condensing gas still in the system

Discharge gas from fluorin charging inlet. Re-vacuum the system if necessary.

Fins in the condenser are dirty or foreign substance blocking fins.

Insufficient chilling air volume or condenser fan error Excessive high air suction pressure Excessive refrigerant charging volume

Over high ambient temperature

See “Excessive high air suction pressure” Discharge the excessive refrigerant

Excessive refrigerant charging volume

Over high temperature in chilling water inlet

Insufficient water flow volume

Incrustant in evaporator

Insufficient water flow

Incrustant in water side of heat exchangerOver high temperature in chilling water inletExcessive high air suction pressure Over low temperature of chilling water

Excessive low air suction pressure

Excessive refrigerant charging volume Insufficient refrigerant charging volume Insufficient air flow volumeAir loop short-circuit

Over heat air in the side of air heat exchanger

Refrigerant leakage or insufficient refrigerant volume

Over low temperature in chilling water inlet and outlet

Discharge the excessive refrigerant

Check and installation state

Test leakage or charge sufficient refrigerant to the system

Eliminate incrustant

Eliminate incrustant Check water temperatureSee “Excessive high air suction pressure” Check chilling water temperature

Refrigerant leakage or insufficient refrigerant volume Test leakage or charge sufficient refrigerant to the system

See “Excessive low air suction pressure” Check ambient temperature around itDischarge the excessive refrigerantCharge sufficient refrigerant to the systemCheck fan rotating directionReason about remove air short-circuit

Insufficient frost-removal operation Error comes out from 4-way valve or thermal resistor. Replace a new one if necessary.

Check temperature difference at water inlet and outlet, and adjust the water flow volume

Check temperature difference at water inlet and outlet, and adjust thewater flow volume

Check thermal insulation layer of water pipe and the specification of this layer

Check ambient temperature

Over cool air in the side of air heat exchangerRefrigerant leakage or insufficient refrigerant volumeExcessive low air suction pressure

Check ambient temperature

Test leakage or charge sufficient refrigerant to the system

See “Excessive low air suction pressure”

Check and repair the condenser fan, recover the normal operation

Clean condenser fins.

Insufficient chilling water flow volume

Gas still in water loop

Error comes from pump or flow-type water volume control. Check and repair or replace a new one.

Discharge airThermal resistor errorOver high air expelling pressure

Upon error have been confirmed, please replace a new one.See “Over high air expelling pressure”

Hi-pressure switch error Upon error have been confirmed, please replace a new one.

Over high air discharge pressure(Cooling operation)

Over low air discharge pressure(Cooling operation)

Over low air suction pressure (Cooling operation)

Over high air discharge pressure (Heating operation)

Over low air discharge pressure (Heating operation)

Over low air suction pressure (Heating operation)

Compressor stops because of freeze-proofprotection (Cooling operation)

Compressor stops because of Hi-pressure protection

Over high air suction pressure (Heating operation)

Over high air suction pressure(Cooling operation)


Water system error and flow type volume controller short connection Check water system

Hi-voltage or Lo-voltage, signal phase or phase unbalance

Short circuit comes out from motor or connecting interface Overcurrent assembly errorOver high or over low voltage

Component error

Lo-voltage switch error

Excessive low air suction pressure

Filter in front (or rear) of expanding valve is blocked

Check the integrated temperature sensor after motor is cool down.

Over high air expelling pressure or excessive low air suction pressure

See “Over high air expelling pressure” and “excessive low air suction pressure ”

Replace a new oneConfirm voltage not higher or lower than the rated voltage 20V

Liquid refrigerant flows into compressorfrom evaporator result in liquid slugging.

Coils in contactor are burnt outWrong connection of phase sequence

Error signal delivered from wire controller 4-way valve or thermal resistor errorAir loop short-circuit

Fixing screws at panel are loosen

Overcurrent relay trip up, fuse burnt outAging of compressor

See “Excessive low air suction pressure”

Replace a new compressorReplace damaged assembly

Control circuit without power though Check the wring of control systemHi-voltage or lo-voltage protection Reference to mention in above the parts of air suction and discharge pressure error

Replace damaged assembly

Find out the error type and carry out the corresponding measure to settleCheck the running state. Replace a new one if necessary.Settle the short-circuit of air discharge

Fix up all assemblies

Re-connect and adjust the any 2 wires among 3 phases

Adjust refrigerant charge volume

Replace a new filter

If the switch is defective, please replace a new one.

Confirm resistors at motor are connected corresponding to terminals

Confirm voltage not higher or lower than the rated voltage 20VCompressor stops because of motor Overcurrent.

Compressor stops because of integrate temperature sensor or air discharge temperature protection.

Compressor stops because of Lo.-pressureprotection

Abnormal noise gives out form compressor

Compressor is unable to drive

Air side heat exchanger excessive frost

With noise

Over high air expelling pressure and air suction pressure See “Over high air expelling pressure” and “Over high air suction pressure”

Error Possible reason Detect and settle measure

Table 7-1


8. MAINTENANCE AND UPKEEP

8.1 Failure information and codeIn case the unit runs under abnormal condition, failure protection code will display on both control panel and wired controller, and the indicator on the wired controller will flash with 1Hz. The display codes are shown in the following table:

Table 8-1

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

Code Reason

EEPROM error of main control board

EEPROM error of inverter module A

EEPROM error of inverter module B

Total water outlet temperature sensor error(master only)

Outlet water temp sensor error

Condenser tube temperature sensor error

System self check fault alarm

Discharge pipe temperature sensor error alarm

Total cooling outlet temperature sensor(Tz) error

High pressure or air discharge temperature protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

Low pressure protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

System A Current protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

System B Current protection (protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

Protection of outlet and inlet water temperature difference(protection occurs for 3 times in 60 minutes and the failure can be recovered by power

System self- check error alarm

Outdoor ambient temperature sensor error


Inlet water temperature sensor error

Evaporator anti-freezing temperature sensor (T62)error

Communication error between main control board and wired controller

Power phase sequence error

P1

P0

1E0

E1

E2

E3

E4

E5

E7

E8

E9

1Eb

1Ed

2Ed

1P6

2P6

EC

EF

EH

EP

EU

2E0

3E0

P4

P5

P9

Condenser high temperature protection

Inlet water high temperature in cooling mode

System anti-freezing protection

PA

Pb

System B discharge pipe temperature sensor error

P7

System A inverter module protection

System A discharge pipe temperature sensor error

System A inverter module protection


Tfin module high temperature protection(Protection occurs for 3 times in 100 minutes and the failure can be recovered by power disconnection only)

DC fan A module protection

DC fan B module protection

PL

33

32

31

28

29

30

34

35

36

37

38

39

40

41

42

43

44

45

46

47

System A IPM module Communication error

System B IPM module Communication error

Under/Over voltage protection

System A DC bus voltage error

System B DC bus voltage error

Pressure sensor error

DC bus low voltage protection

DC bus high voltage protection

MCE error

Zero speed protection

Phase sequence error

DC fan A error

Air suction temperature protection error

Heat recovery temperature sensor error

Inverter module protection

Three times 2PP protection within one hour (power off recovery)

Three times 1PP protection within one hour (power off recovery)

L7

Compressor frequency variation greater than 15Hz within one second protectionL8

Actual compressor frequency differs from target frequency by more than 15Hz protection

L9

Defrosting prompt dF

1H0

2H0

H1

1H4

2H4

1H6

2H6

Fb

Fd

FE

1FF

2FF

FP

L0

L1

L2

L4

L5

1PU

2PU

DIP inconsistency of multiple water pumps(Power failure recovery required)

DC fan B error

25

26

27

Evaporator pressure low in cooling modePC

Low-temperature protection of evaporator (manual recovery)PE

T4 high temperature protection in heating modePH


Spot check content according to the main unit model wired controller:

8.4 Query display

Press the “▲” or “▼” key of wire controller to adjust the main unit serial number can query 16 sets main units’ status information from #0～#15. Press “ ” or “ ” to adjust the spot check sequence number of one main unit then can query all the status information of this unit.

▲

No. Spot inspection itemStandby: ODU address (L88) + number of on-line units(R88),On: display frequencyDefrosting: dF and operating frequency flash alternatelyat 1s intervalsIn case of Pb protection, Pb and operating frequencyflash alternately at 1s intervals

1 0.xx ODU address2 1.xx ODU Hp3 2.xx Number of ODUs (Main unit included)4 3.xx T4 capacity revision

5 4.xxOperation modes (8 OFF, 0 Standby, 1 Cooling, and 2Heating)

6 5.xx Fan Speed 17 6.xx Fan Speed 28 7.xx T39 8.xx T410 9.xx T511 10.xx Taf112 11.xx Taf213 12.xx Tw14 t.xx Twi unit water inlet (displays to decimal places)15 14.xx Two unit water outlet16 15.xx Tz general cold water leaving temperature17 16.xx THeatR heat recovery sensor temperature18 17.xx Air discharge 119 18.xx Air discharge 220 19.xx Heat sink temperature 121 20.xx Heat sink temperature 222 21.xx Air discharge superheat degree DSH23 22.xx Current of compressor A24 23.xx Current of Compressor B25 24.xx Water pump current26 25.xx Electronic expansion valve 1 opening (/4)27 26.xx Electronic expansion valve 2 opening (/4)28 27.xx High pressure29 L.xx Low pressure (displays to decimal places)30 29.xx Air return superheat degree31 30.xx Air return temperature32 31.xx Mute selection33 32.xx Static pressure selection34 33.xx DC voltage A (reserved)35 34.xx DC voltage B (reserved)36 35.xx Last fault

37 36.xx

Limit frequency No. (0: no limits; 1: T4 limit frequency; 2:voltage limit frequency; 3: air discharge limit frequency;4: low voltage ratio; 5: instant limit frequency; 6: currentlimit frequency; 7: voltage limit frequency; 8: pressureratio and capacity demand adjusting; 9: cooling lowpressure limit frequency)

38 37.xxDefrosting process status (the first digit: T4 selectionsolution; the second digit: scheme's range; the third andfourth digits as a whole indicates the defrosting time)

39 38.xxE-direction failure: 1 indicates failure, and 0 indicates nofailure

40 39.xx Defrosting scheme41 40.xx Initial frequency42 41.xx Tc43 42.xx Te44 43.xx ----

0

8.2 Ordinary displayed data

a. Ordinary displayed data are displayed in all display pages.

b. If the unit system is under running state, i.e. one or more thanone unit is under running operation, there will be a dynamicdisplay of . If the system is under OFF state, there is nodisplay.

c. If the communication with the main unit is fail, it displays E2

d. If it is under the host computer network control, NetNet displays,otherwise there is no display.

e. If it is under wired controller locked or button locked state, itdisplays the lock mark. There will be no display after the lock is unlocked.

8.3 Treatment of display data

The data display area is divided into Up area and Down area, with two groups of two-digit half 7-segment digital display, respectively.

a.Temperature displayTemperature display is used for displaying the total outlet watertemperature of unit system, outlet water temperature ,condenserpipe temperature T3A of system A, condenser pipe temperatureT3B of system B, outdoor environmental temperature T4,anti-freezing temperature T6 and setting temperature Ts, withallowable data display scope -15℃～70℃. If the temperature ishigher than 70℃, it is displayed as 70℃. If there is no effectivedate, it displays “— —” and indication point 。C is on.

b. Current displayCurrent display is used for displaying unit system A compressorcurrent IA or system B compressor current IB, with allowabledisplay scope 0A~99A. If it is higher than 99A, it is displayed as99A. If there is no effective date, it displays “— —” andindication point A is on.

c. Failure displayIt is used for displaying the total failure warning date of unit orthat of unit, with failure display scope E0~EF, E indicatingfailure, 0~F indicating failure code. “E-“ is displayed when thereis no failure and indication point # # is on at the same time.

d. Protection displayIt is used for displaying the total system protection data of unit orthe system protection data of unit, with protection display scopeP0~PF, P indicating system protection, 0~F indicating protectioncode. “P-“ is displayed when there is no failure .

e. Unit number displayIt is used for displaying the address number of the currentlyselected unit, with display scope 0~15 and indication point # ison at the same time.

f. Display of online unit number and startup unit numberThey are used for displaying the total online units of the wholeunit system and the number of the unit under running state,respectively, with display scope 0~16.Any time when the spot check page is entered to display orchange unit, it is needed to wait for the up-to-date data of theunit received and selected by wired controller. Before receivingthe data, the wired controller only displays “——” on the datadisplay Down area, and the Up area displays the addressnumber of the unit. No page can be turned, which continues untilthe wired controller receives the communication data of this unit.


8.7 Winter shutdown

For shutdown in winter, the surface of the unit outside and inside should be cleaned and dried. Cover the unit to prevent dust. Open discharge water valve to discharge the stored water in the clean water system to prevent freezing accident (it is preferable to inject antifreezer in the pipe).

8.8 Replacing parts

Parts to be replaced should be the ones provided by our company. Never replace any part with different part.

8.9 First startup after shutdown

The following preparations should be made for re-startup of unit after long-time shutdown:1) Thoroughly check and clean the unit.2) Clean water pipe system.3) Check pump, control valve and other equipments of water pipesystem.4) Fix connections of all wires.5) It is a must to electrify the machine 12 hours before startup.

8.10 Refrigeration system

Determine whether refrigerant is needed by checking the value of suction and discharge pressure and check whether there is a leakage. Air tight test must be made if there is a leakage or parts of refrigerating system is to be replaced. Take different measures in the following two different conditions from refrigerant injection.1) Total leakage of refrigerant. In case of such situation, leakagedetection must be made on the pressurized nitrogen used for thesystem. If repair welding is needed, welding cannot be made untilall the gas in the system is discharged. Before injectingrefrigerant, the whole refrigeration system must be completely dryand of vacuum pumping.● Connect vacuum pumping pipe at the fluoride nozzle atlow-pressure side.● Remove air from the system pipe with vacuum pump. Thevacuum pumping lasts for above 3 hours. Confirm that theindication pressure in dial gauge is within the specified scope.● When the degree of vacuum is reached, inject refrigerant intothe refrigeration system with refrigerant bottle. Appropriate amountof refrigerant for injection has been indicated on the nameplateand the table of main technical parameters. Refrigerant must beinjected from the low pressure side of system.● The injection amount of refrigerant will be affected by theambient temperature. If the required amount has not beenreached but no more injection can be done, make the chilledwater circulate and start up the unit for injection. Make the lowpressure switch temporarily short circuit if necessary.2) Refrigerant supplement. Connect refrigerant injection bottle onthe fluoride nozzle at low-pressure side and connect pressuregauge at low pressure side.● Make chilled water circulate and start up unit, and make the lowpressure control switch short circuit if necessary.● Slowly inject refrigerant into the system and check suction anddischarge pressure.

Maintenance of main parts● Close attention should be paid to the discharge and suctionpressure during the running process. Find out reasons andeliminate the failure if abnormality is found.● Control and protect the equipment. See to it that no randomadjustment be made on the set points on site.● Regularly check whether the electric connection is loose, andwhether there is bad contact at the contact point caused byoxidation and debris etc., and take timely measures if necessary.Frequently check the work voltage, current and phase balance.● Check the reliability of the electric elements in time. Ineffectiveand unreliable elements should be replaced in time.

8.6 Removing scale

After long-time operation, calcium oxide or other minerals will be settled in the heat transfer surface of the water-side heat exchanger. These substances will affect the heat transfer performance when there is too much scale in the heat transfer surface and sequentially cause that electricity consumption increases and the discharge pressure is too high (or suction pressure too low). Organic acids such as formic acid, citric acid and acetic acid may be used to clean the scale. But in no way should cleaning agent containing fluoroacetic acid or fluoride should be used as the water-side heat exchange is made from stainless steel and is easy to be eroded to cause refrigerant leakage. Pay attention to the following aspects during the cleaning and scale-removing process: ● Water-side heat exchanger should be done be professionals.Please contact the local air-conditioner customer service center.● Clean the pipe and heat exchanger with clean water aftercleaning agent is used. Conduct water treatment to prevent watersystem from being eroded or re-absorption of scale.● In case of using cleaning agent, adjust the density of the agent,cleaning time and temperature according to the scale settlementcondition.● After pickling is completed, neutralization treatment needs to bedone on the waste liquid. Contact relevant company for treatingthe treated waste liquid.● Protection equipments (such as goggles, gloves, mask andshoes) must be used during the cleaning process to avoidbreathing in or contacting the agent as the cleaning agent andneutralization agent is corrosive to eyes, skins and nasal mucosa.

8.5 Care and maintenance

Maintenance period It's recommended that before cooling in summer and heating in winter every year, consult local air conditioner customer service center to check and maintain the unit, to prevent air conditioner errors which bring inconvenience to your life and work.

● Connection must be renewed after injection is completed.● Never inject oxygen, acetylene or other flammable or poisonousgas to the refrigeration system at leakage detection and air tighttest. Only pressurized nitrogen or refrigerant can be used.

CAUTION


8.11 Disassembling compressor

Follow the following procedures if compressor needs to be disassembled:1) Cut off the power supply of unit.2) Remove power source connection wire of compressor.3) Remove suction and discharge pipes of compressor.4) Remove fastening screw of compressor.5) Move the compressor.

8.12 Auxiliary electric heater

When the ambient temperature is lower than 2℃, the heating efficiency decreases with the decline of the outdoor temperature. In order to make the air-cooled heat pump stably run in a relatively cold region and supplement some heat lost due to de-frosting. When the lowest ambient temperature in the user’s region in winter is within 0℃~10℃, the user may consider to use auxiliary electric heater. Please refer to relevant professionals for the power of auxiliary electric heater.

8.13 System antifreezing

In case of freezing at the water-side heat exchanger interval channel, severe damage may be caused, i.e. heat exchange may be broken and appears leakage. This damage of frost crack is not within the warranty scope, so attention must be paid to antifreezing. 1) If the unit that is shutdown for standby is placed in anenvironment where the outdoor temperature is lower than 0℃, the water in the water system should be drained.

2) Water pipe may be frozen when the chilled water target flowcontroller and anti-freezing temperature senor become ineffectiveat running, therefore, the target flow controller must be connectedin accordance with the connection diagram.3) Frost crack may happen to water-side heat exchanger atmaintenance when refrigerant is injected to the unit or isdischarged for repair. Pipe freezing is likely to happen any timewhen the pressure of refrigerant is below 0.4Mpa. Therefore, thewater in the heat exchanger must be kept flowing or be thoroughlydischarged.

8.14 Wiring of “ON/OFF” weak electric port

First, corresponding parallel connect the “ON/OFF” port of the main unit’s electric control box,then, connect the “ON/OFF” signal (provide by user) to the “ON/OFF” port of main unit as follows.

First, corresponding parallel connect the “HEAT/COOL” port of the main unit’s electric control box,then, connect the “ON/OFF” signal (provide by user) to the “HEAT/COOL” port of main unit as follows.

0# electric control box“ON/OFF” port

ON

P

ower

(DC

12V)

Main

contr

ol bo

ard is

prov

ided

0# electric control box“HEAT/COOL” port

CO

OL

P

ower

(DC

12V)

Main

contr

ol bo

ard is

prov

ided

8.15 Wiring of “HEAT/COOL” weak electric port

0# electric control box“ON/OFF” port

OFF

P

ower

(DC

12V)

Main

contr

ol bo

ard is

prov

ided

0# electric control box“HEAT/COOL” port

HE

AT

P

ower

(DC

12V)

Main

contr

ol bo

ard is

prov

ided

Connect the device provided by user to the “ALARM” ports of the module units as follows.

If the unit is operating unnormally,the ALARM port is closed,otherwise,the ALARM port is not closed.

8.16 Wiring of “ALARM” port

electric control box“ALARM” port

Devic

e pr

ovid

ed

by

use

r

8.17 Important information for the used refrigerant

This product has the fluorinated gas, it is forbidden to release to air. Refrigerant type: R410A; Volume of GWP: 2088;GWP=Global Warming Potential

Attention:

Frequency of Refrigerant Leak Checks

1) For equipment that contains fluorinated greenhouse gases inquantities of 5 tonnes of CO2 equivalent or more,but of less than50 tonnes of CO2 equipment,at least every 12 months, or wherea leakage detection system is installed, at least every 24 months.

2) For equipment that contains fluorinated greenhouse gases inquantities of 50 tonnes of CO2 equivalent or more,but of less than500 tonnes of CO2 equipment,at least every six months, or wherea leakage detection system is installed, at least every 12 months.

3) For equipment that contains fluorinated greenhouse gases inquantities of 500 tonnes of CO2 equivalent or more,at least everythree months, or where a leakage detection system is installed,at least every six months.

4) Non-hermetically sealed equipment charged with fluorinatedgreenhouse gases shall only be sold to the end user where evidenceis provide that the installation is to be carried out by an undertakingcertified person.

5) Only certificated person is allowed to do installation, operationand maintenance.

ModelRefrigerant/kg tonnes CO2 equivalent

10.5017.00

21.9435.50

Factory charge

MC-SU20(25)(30)

MC-SU45(50)(60)

If the “ON/OFF” port is effective ,the “ ” icon of the wire controller will be flashing.


RECORD TABLE OF TEST RUN AND MAINTENANCE

Table 8-2

Model: Code labeled on the unit:

Customer name and address: Date:

1. Whether there is sufficient water flow passing waterside heat exchanger? ( )

2. Whether leakage detection has been made on all the water pipe? ( )

3. Whether pump, fan and motor are lubricated? ( )

4. Whether unit has been through 30-minute operation? ( )

5. Check temperature of chilled water or hot water

Inlet ( ) Outlet ( )

6. check air temperature of air-side heat exchanger:

Inlet ( ) Outlet ( )

7. Check refrigerant suction temperature and superheating temperature:

Refrigerant suction temperature: ( ) ( ) ( ) ( ) ( )

Superheating temperature: ( ) ( ) ( ) ( ) ( )

8. Check pressure:

Discharge pressure: ( ) ( ) ( ) ( ) ( )

Suction pressure: ( ) ( ) ( ) ( ) ( )

9. Check running current: ( ) ( ) ( ) ( ) ( )

10. Whether unit has been through refrigerant leakage test? ( )

11. Whether unit inside and outside is cleared? ( )

12. Whether there is noise on all the panels of unit? ( )

13. Check whether the main power source connection is correct. ( )


℃

℃

℃

MPa

MPa

V

A

℃

℃

℃

℃

A

RECORD TABLE OF ROUTINE RUNNING

Table 8-3

Model:

Date:

Weather:

Operation time: Startup ( ) Shutdown ( )

Outdoor temperature

Compressor

Air temperature of air-side heat exchanger

Temperature of chilled water or hot water

Current of cooling water pump or hot water pump

Dry bulb

Wet bulb

Indoor temperature

High pressure

Low pressure

Voltage

Current

Inlet (dry bulb)

Outlet (dry bulb)

Inlet

Outlet

Note:


M0MD40G17-00 WSAN-XSi 10.1-22.2 35/58

M0MD40G17-00 WSAN-XSi 10.1-22.2 36/58

This manual gives detailed description of the precautions that should be brought to your attention during operation.

In order to ensure correct service of the wire controller please read this manual carefully before using the unit.

For convenience of future reference, keep this manual after reading it.

Contents

1 Safety Precautions ...........................................................................12 Overview of Wired Controller ...........................................................33 Menu Operations..............................................................................5

M0MD40G17-00 WSAN-XSi 10.1-22.2 37/58

1

The product and Operation and Installation Instructions record the following content, including the operation method, how to prevent harms to others and property losses, and how to use the product correctly and safely. Read the text after understanding the content (identification and marker maps) below carefully, and observe the precautions below.

[Note]: So-called "injuries" mean the harms not requiring hospitalization or long-term treatment, generally referring to wounds, burns, or electric shocks. Material damages refer to property and material losses.

Caution

Warning

1 Safety Precautions

CautionRead the safety precautions carefully prior to installation.The important safety precautions are provided below and must be observed.Meanings of marks:

Means improper handling may lead to personal injuries or material damages.

Means improper handling may lead to death or serious injury.After the installation work is completed, confirm that the trial operation is normal and hand over the manual to the customer for keeping.

2

It indicates "prohibited". The specific content of prohibition is provided using graphics or text in the icon or nearby.It indicates "mandatory". The specific mandatory content is provided using graphics or text in the icon or nearby.

Icon Name

Do not spray combustible spray to the wired controller directly; otherwise a fire may be caused.

Do not perform operations with a wet hand or allow water to enter the wired controller; otherwise the wired controller will be damaged.

Prohibited

ProhibitedCaution in Use

Entrust your distributor or a professional to install the product. The installation operator must have acquired the relevant professional knowledge.In case of independent installation, wrong operations will lead to a fire, electric shock, or injury.

Entrusted installationWarning

Do not install the product at a place where flammable gas easily leaks. Once flammable gas leaks and stays around the wired controller, a fire may be caused.

1 Safety Precautions

Caution

M0MD40G17-00 WSAN-XSi 10.1-22.2 38/58Operation manual 1 -

3

2 Overview of Wired Controller

Turn on or off the space operation mode

Enter the menu structure from the home page

Navigate the cursor on the display navigate in the menu structure adjust the settings

Come back to the up level Long press for

unlocking /locking the controller

Go to the next step when programming a schedule in the menu structure confirm a selection/enter a submenu in the menu structure

4

2 Overview of Wired Controller

Lock icon

Timericon

Anti-freezing ormanual defrost on

Alarmicon

Silent mode on

Water pump onExternal electric heater on


Compressor operating

Heating mode

Cooling mode

Auto modeA

Set temperature


Fan onCentralized control

access of network

WEEKLY TIME icon

MON09/20/2015

WEEKLY TIMER ON TIMER ON

COOL ONLINEUNITES

10:35 A


5

3 Menu Operations3.1 Unlocking/Locking Operation

3.3 Setting Mode

When the wired controller is locked, press and hold the "UNLOCK" button for 2s to unlock it, when " " is not displayed; in the unlocked status, press and hold the "UNLOCK" button for 2s to lock it, when " " is displayed and the wired controller cannot be operated; when there is no operation for continuous 60s on any page, the wired controller returns to the home page and is locked automatically, and the locking icon is displayed.

3.2 Power-on/off

b. Heating mode

a. Cooling mode

MON10:35 A09.20.2015

HEAT

MON

COOL

10:35 A09.20.2015

When the wired controller is unlocked and the unit is on, "ON/OFF" can be pressed to power off the unit under the home page only; when the unit is off, press "ON/OFF" to power on the unit. The mode can be switched under the power-off mode only.

In Unlock mode, press the "MENU" button to enter the menu setting interface, press the " " and " " buttons to select "MODE" and set a mode, and press the "OK" button as shown in the above figure to access the submenu (mode setting). As shown below: Three modes available.

MON

COOL

10:35 A09.20.2015

ONLINEUNITES

3.4 User Menu

c. Water pump mode

MON10:35 A09.20.2015

PUMP

USER MENU

TEMP

SILENCE SWITCH

QUERY

OK

SELECT THE QUERING ADDRESS

USER MENU-QUERY

OK

6

When the current mode button is selected (blinking), press " " and " " to set a mode or temperature, and then press " " and " " to adjust the mode and set temperature value. After setting, press the "OK" button to save the setting and go back to the home page; or press the "BACK" button to go back to the home page; if there is no subsequent operation in 60s, the setting is saved automatically, and the system returns to the home page.

Select "USER MENU" to enter the user menu. The interface is as follows:

Select "QUERY" to access the query function. The interface and operation are as follows:

The user first uses the " " and " " buttons to select the address of module to view (the offline address is skipped automatically). Press the "OK" button to access the lower-layer submenu or press "BACK" to go back to the previous interface; during operation on the menu page, press "BACK" to go back to the previous interface. After entry, the interface is displayed as follows:


7

RUNNINGMODE

CURRENTSILENTMODE

ON COOLNIGHTSILENTMODE

BACK

STATE QUERY UNIT 07#

UNIT 07#

AMBIENT TEMP.

IN-LET WATERTEMP.

OK

25 C 25 C 25 C

TEMP QUERY

BACK

NO ERROR

CURRENT ERROR

QUERY

TEMP QUERY

CURRENT ERROR QUERY

STATE QUERY

OK

OPERATIONSTATE

OUT-LET WATERTEMP.

UNIT 07#

◆ State query:Select "STATE QUERY", and press the"OK" button to enter the interface. Theinterface display is as follows:

◆ Temperature query:Select "TEMP QUERY", and press the"OK" button to enter the interface. Theinterface display is as follows:

◆ Current error:Select "CURRENT ERROR", and pressthe "OK" button to enter the interface. The interface display is as follows if there is no error currently:

If there is an error, the interface display is as follows, and the current error code and description are displayed:

8

BACK

CURRENT ERROR CODE

CURRENT ERROR QUERY

TIMER

OK

DATE AND TIME

CANCEL DAILY TIMER

CANCEL WEEKLY TIMER

WEEKLY TIMER

DAILY TIMER

DAILY TIMER

T. ON

00:00 A 00:00 A HEAT 18 C

T. OFF MODE TEMP.ACT

ON

OK

DAILY TIMER

T. ON

00:00 A 00:00 A HEAT 18 C

T. OFF MODE TEMP.ACT

ON

OK

UNIT 07#

ON 00:00 A00:00 A HEAT 18 C

◆ Setting the timer:Select "TIMER", and press the "OK" button to enter the interface. The interface display is as follows:

Select "DAILY TIMER", and press the "OK" button to enter the interface. The interface display is as follows:

When the cursor stays at "ACT", press the " " and " " buttons to select the parameter value "OFF" (default value, indicating that the timer of this segment is invalid) corresponding to Time1 or Time2, and press the " " and " " buttons to adjust the parameter value to "ON" (indicating that the timer of this segment is valid); press the " " and " " buttons to select the start time, end time, mode and temperature to be set, and then use the " " and " " buttons to adjust the time, mode, and temperature value. After setting, press "OK" to confirm saving, or press "BACK" to cancel setting and return to the upper layer page. If Time1 ON is set the same as Time1 OFF, the setting is invalid, the ACT option for the timer of this segment jumps to "OFF", the setting of Timer2 is the same as that of Timer1, and the timing interval of Time2 can cross with that of Time1.


9

WEEKLY SCHEDULET. ON

00:00 A 00:00 A

T. OFFACT

ON

OK

OFF 00:00 A 00:00 A

For example, if Timer1 ON is set to 12:00 for Timer1 and Timer1 OFF is set to 15:00, then the values of Timer2 ON and Time2 OFF can be accessed in the range of 12:00-15:00. If timing intervals cross each other, the timed-on signal is sent in the case of Timer ON, and the timed-off signal is sent in the case of Timer OFF. After timer setting is completed, the corresponding prompt is displayed on the main interface.

◆ Setting the weekly schedule:Select "WEEKLY SCHEDULE", and pressthe "OK" button to enter the interface. The interface display is as follows:

At most two timing segments can be set each day in the weekly schedule, and the ON and OFF time needs to be set for each timing segment (the set internal is 10 minutes).

Operation instructions:Press the " " and " " buttons to select the day to be set; when the cursor stays at "ACT", press the " " and " " buttons to select the Timer1 or Timer2 parameter value "OFF" (default value, indicating that the timer of this segment is invalid), and use the " " and " " buttons to adjust the parameter value to "ON" (indicating that the timer of this segment is valid).Press the " " and " " buttons to select the start time and end time to be set; press the " " and " " buttons to select Time1 or Time2, press the "OK" button, and use the " " and " " buttons to adjust the time. After setting, press "OK" to confirm saving, or press "BACK" to cancel setting and return to the upper layer page. If Time1 ON is set the same as Time1 OFF, the setting is invalid. After the ACT option for timing of this segment jumps to "OFF" and setting is completed, press "OK" to confirm saving, or press "BACK" to cancel setting and return to the upper layer page. Note: Some days or all the 7 days can be set for the weekly schedule; after the weekly schedule is set, the corresponding prompt is displayed on the main interface.

10

TIME

DATE AND TIME

DATE

OK

DAYMONTH

MAR. 1ST2015

YEAR

DATE

OK

AM/PMMINUTE

00 PM7

HOUR

TIME

OK

◆ Setting date/time:Select "DATE AND TIME", and press the"OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to select the date, time and time format to be set, and press the "OK" button to access the lower-layer submenu:

Operation instructions:Press the " " and " " buttons to select year, month and date, press the " " and " " buttons to adjust the parameter value, and press the "OK" button to save the setting.Time setting operation instructions:Press the " " and " " buttons to select hour and minute, press the " " and " " buttons to adjust the parameter value, and press the "OK" button to save the setting.

◆ Cancelling dailay time:Select "CANCEL DAILY TIME", and press the"OK" button to enter the interface. The interface display is as follows:


11

CANCEL DAILY TIMER?

YES

CANCEL DAILY TIMER

OK

CANCEL WEEKLY TIMER?

YES

CANCEL WEEKLY TIMER

OK

OPEN SILENT MODE?

YES

SILENCE SWITCH

OK

◆ Cancelling weekly timer:Select "CANCEL WEEKLY TIMER", and press the "OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface,press the "BACK" button to cancel the setting and return to the previous interface.

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface,press the "BACK" button to cancel the setting and return to the previous interface.

◆ Silent mode switch:Select "SILENCE SWITCH", and press the"OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface,press the "BACK" button to cancel the setting and return to the previous interface. After the silent mode is selected and opened, " " on the main interface is on.

12

3.5 Setting PROJECT MENU

PLEASE INPUT THE PASSWORD

PROJECT MENU

OK

0 0 0 0

SORRY, WRONY PASSWORD,PLEASE INPUT AGAIN.

PROJECT MENU

OK

0 0 0 0

PROJECT MENU

PARAMETERS QUERY

MANUAL DEFROST

STATE QUERY

OK

PROJECT MENU

HISTORY ERROR

CLEAR HISTORY ERROR

SILENT SETTING

OK

1/2

2/2

◆ Entering the password:Select "PROJECT MENU", and press the "OK" button to enter the menu. The screen prompts the user to enter the password, as shownbelow:

The initial password is 6666 and cannot be changed. Press the " " and " " buttons to change the number to enter, and press the " " and " " buttons to change the bit code to enter. After the number is entered, the display is not changed. After entering the password, press the "OK" button to enter the interface; press the "BACK" button to go back to the previous interface; the display is as follows if the input is incorrect:

The query interface as follows is displayed if the input is correct:


13


PROJECT MENU

OK


PARAMETERS MENU

OK

STATE QUERY

FANSTATE

4-WAYVALVESTATE

PUMPSTATE

ON ON ON ON

BACK

PROJECT MENU-

COMPRESSORSTATE

PARAMERERS QUERY

60 95

COMPRESSORCURRENT

95

HIGHPRESSURE

BACK

EXV OPENINGDEGREE

◆ State query:Select "STATE QUERY", and press the"OK" button to enter the interface. Thescreen prompts the user to select theaddress for query, as shown below:

Press the " " and " " buttons to select the module address to view (the offline address is skipped automatically), and press the "OK" button to enter the interface. The screen display is as follows:

◆ Parameters query:Select "PARAMETERS QUERY", and press the "OK" button to enter the interface. Thescreen prompts the user to select theaddress for query, as shown below:


1/3

7#

14

PARAMERERS QUERY

95

LOW PRESSURE

95

ANTI-FREEZE TEMP

BACK

PARAMERERS QUERY

95

CONDENSOR PIPE TEMP

60

DISCHARGE TEMP

BACK


MANUAL DEFROST

OK

PREFORM MANUAL DEFROST?

YES

MANUAL DEFROST

OK

Press the ''BACK'' button to go back to the previous interface; the system returns to the main page if there is no operation in 60s.

◆ Manual defrost:Select "MANUAL DEFROST", and press the "OK" button to enter the interface. Thescreen prompts the user to select theaddress for query, as shown below:


◆ Silent setting:Select "SILENT SETTING", and press the"OK" button to enter the interface. Theinterface display is as follows:

2/3

3/3

7#

7#

Press the "BACK" button to cancel the setting and return to the previous interface.After the manual defrost is selected and opened, " " on the main interface is on.


15

SILENT SETTING

SILENT MODE

NIGHT SILENT MODE

SUPER SILENT MODE

STANDARD MODE

OK

RUN STANDARD MODE?

YES

SILENT SETTING

OK

RUN SILENT MODE?

YES

SILENT SETTING

OK

RUNNSM II

RUNNSM III

RUNNSM IV

OK

YES NO NO NO

NIGHT SILENT MODE

RUNNSM I

Press the " " and " " buttons to select the option to enter, and press the "OK" button to enter the interface; or press the "BACK" button to go back to the previous menu. Press the " " and " " buttons to select the

desired option, and press the "OK" button to save the setting and go back to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.c. Setting the night silent mode (factorydefault setting):Select "NIGHT SILENT MENU", and pressthe "OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to select the desired option, and press the "OK" button to save the setting and go back to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.

a. Setting the standard mode:Select "STANDARD MENU", and press the"OK" button to enter the interface. Theinterface display is as follows:

b. Setting the silent mode:Select "SILENT MENU", and press the "OK" button to enter the interface. The interfacedisplay is as follows:

16

RUN SUPER SILENT MODE?

YES

SILENT SETTING

OK


HISTORY ERROR

OK

BACK

NO ERROR

HISTORY ERROR UNIT 07#

◆ Querying history error:Select "HISTORY ERROR", and press the"OK" button to enter the interface. Thescreen prompts the user to select theaddress for query, as shown below:


Press the " " and " " buttons to select the night silent mode I/II/III/IV, press the " " and " " buttons to change the set status, and press the "OK" button to save the setting and go back to the previous interface; or press the "BACK" button to go back to the previous menu.d. Setting the super silent mode:Select "SUPER SILENT MENU", and pressthe "OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to select the module address to view (the offline address is skipped automatically), and press the "OK" button to enter the interface. If there is no history error, the screen display is as follows:

If there is an error, the screen display is as follows. A maximum of 4 history errors can be displayed.


17

1 E5 19/03/2015 06:30A

2 E5 19/03/2015 06:30A

3 E5 19/03/2015 06:30A

4 E5 19/03/2015 06:30A

BACK

HISTORY ERROR

CLEAR HISTORY ERROR?

YES

CLEAR HISTORY ERROR

OK

3.6 Setting SERVICE MENU

PLEASE INPUT THE PASSWORD

SERVICE MENU

OK

0 0 0 0◆ Clearing history error:Select "CLEAR HISTORY ERROR", and press the "OK" button to enter the interface. Theinterface display is as follows:


◆ Entering the password:Select "SERVICE MENU", and press the "OK" button to enter the interface. The screenprompts the user to enter the password, asshown below:

The initial password is 9999 and cannot be changed. Press the " " and " " buttons to change the number to enter, and press the " " and " " buttons to change the bit code to enter. After the number is entered, the display is not changed. After entering the password, press the "OK" button to enter the interface; press the "BACK" button to go back to the previous interface; the display is as follows if the input is incorrect:

18

SORRY, WRONY PASSWORD,PLEASE INPUT AGAIN.

SERVICE MENU

OK

0 0 0 0

SERVICE MENU

EXIT DEFROSTING TEMP.

MANUAL DEFROST TEMP.

CAP. ADJUST CYCLE

DEFROST TEMP.

DEFROST CYCLE

SERVICE MENU

ANTI-FREEZING TEMP. OF LOWTEMP. OUTLET WATER

ANTI-FREEZING TEMP. OF NORMALTEMP. OUTLET WATER

HYSTERESIS TEMP.

1/4

SERVICE MENU

TEMP. DIFFERENCE OF WATER INLETAND OUTLET PROTECTION VALUE

EAH OFF TEMP.

EAH ON TEMP.

4/4

2/4

SERVICE MENU

OPEN THE FIEST HEATING UNITSET PROPORTI

DELAY OFF TIME FOR WATER PUMP

OPEN THE FIRST REFRIGERATI ONUNIT SET PROPORTI ON

3/4

OK

OK

OK

OK

TEMP. UNIT

The query interface as follows is displayed if the input is correct:

Press the " " and " " buttons to select the desired option, and press the "OK" button to access the interface.Press the "BACK" button to cancel the setting and return to the previous interface.

a. Defrost cycle:Select "DEFROST CYCLE", and press the"OK" button to enter the interface. Theinterface display is as follows:


19

DEFROST CYCLE

35 MIN

SERVICE MENU

DEFROST TEMP.

SERVICE MENU

0 C

OK

OK

EXIT DEFROSTING TEMP.

SERVICE MENU

0 C

OK

MANUAL DEFROST TEMP.

SERVICE MENU

0 C

OK

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.b. Defrost temperature:Select "DEFROST TEMP", and press the "OK" button to enter the interface. The interfacedisplay is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.

c. Exit defrost temperature:Select "EXIT DEFROST TEMP", and press the "OK" button to enter the interface. Theinterface display is as follows:


d. Manual defrost temperature:Select "MANUAL DEFROST TEMP", andpress the "OK" button to enter the interface.The interface display is as follows:

20

HYSTERESIS TEMP.

SERVICE MENU

2 C

OK

CAP ADJUST CYCLE

SERVICE MENU

180S

OK

ANTI-FREEZING TEMP. OF NORMALTEMP. OUTLET WATER

SERVICE MENU

2 C

OK


e. Capacity adjust cycle:Select "CAP ADJUST CYCLE", and press the"OK" button to enter the interface. Theinterface display is as follows:


f. Hysteresis temperature:Select "HYSTERESIS TEMP", and press the"OK" button to enter the interface. Theinterface display is as follows:


g. Anti-freezing temperature of normaltemperature outlet water:Select "ANTI-FREEZING TEMP OF NORMALTEMP OUTLET WATER", and press the "OK"button to enter the interface. The interfacedisplay is as follows:


21

ANTI-FREEZING TEMP. OF LOWTEMP. OUTLET WATER

SERVICE MENU

0 C

OK

REFRIGERATION PROPORATION

SERVICE MENU

50%

OK

HEATING PROPORATION

SERVICE MENU

50%

OK

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.h. Anti-freezing temperature of low temperature outlet water:Select "ANTI-FREEZING TEMP OF LOWTEMP OUTLET WATER", and press the"OK" button to enter the interface. Theinterface display is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.i. Setting the proportion for starting the unitfor the first time for cooling:Select "OPEN THE FRIST REFRINGERATIONUNIT SET PROPORTION", and press the

"OK" button to enter the interface. Theinterface display is as follows:

j. Setting the proportion for starting the unitfor the first time for heating:Select "OPEN THE FRIST HEATING UNIT SETPROPORTION", and press the "OK" buttonto enter the interface. The interface display is as follows:

k. Delay off time for water pump:Select "DELAY OFF TIME FOR WATERPUMP", and press the "OK" button to enterthe interface. The interface display is asfollows:

22

SERVICE MENU

2 MIN

DELAY OFF TIME FOR WATER PUMP

OK

EAH ON TEMP.

SERVICE MENU

0 C

OK

EAH OFF TEMP.

SERVICE MENU

0 C

OK

TEMP. UNIT

SERVICE MENU

C

OK


l. Temperature of starting electric auxiliaryheating:Select "EAH ON TEMP", and press the "OK" button to enter the interface. The interfacedisplay is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.

m. Temperature of stopping electric auxiliaryheating:Select "EAH OFF TEMP", and press the "OK" button to enter the interface. The interfacedisplay is as follows:

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.Press the "BACK" button to cancel the setting and return to the previous interface.n. Selecting temperature unit (reserved):Select "TEMP UNIT", and press the "OK" button to enter the interface. The interface display is as follows:


23

SERVICE MENU

12 C

TEMP. DIFFERENCE OF WATER INLETAND OUTLET PROTECTION VALUE

OK

3.6 Setting MENU


CHECK MENU

OK

RUNNINGMODE

TOTAL OUTLETWATER TEMP.

ON COOL

OPERATIONSTATE

BACK

CHECK MENU 1/4

5 C

Press the " " and " " buttons to adjust the parameter, and press the "OK" button to save the setting and return to the previous interface.

o. Setting temperature difference protectionof inlet and outlet water:Select "TEMP. DIFFERENCE OF WATERINLET AND OUTLET PROTECTIONVALUE", and press the "OK" button to enterthe interface. The interface display is asfollows:


Press the "MENU" button to enter the query interface below:

The user first uses the " " and " " buttons to select the address of module to view (the offline address is skipped automatically). Press the "OK" button to access the lower-layer submenu, or press "BACK" to go back to the previous interface. During operation on the menu page, press "BACK" to go back to the previous interface.

After 0# main unit is selected, the system enters the main unit operating status viewing interface:

24

2/4

ANTI-FREETEMP.

IN-LET WATERTEMP.

OUT-LET WATER TEMP.

BACK

6 C 25 C 60 C

CHECK MENU

CHECK MENU

AMBLENT TEMP.

15

COMPRESSOR CURRRENT

BACK

CHECK MENU

30

EXV OPENING DEGREE

E5

ERROR CODE

BACK

3/4

4/4

35 C

3.7 Setting Wired Controller Address

SET ADDRESS

OK

MON 10：35A

The set address range is 0 to 15.

Press the " " and " " buttons to switch the interface display.

Press the "MENU" and " " buttons for 3s at the same time to access wired controller address selection, and press the " " and " " buttons to select the desired values.If there is no subsequent operation in 60s, the setting is saved automatically, and the system returns to the home page.Press the "BACK" button to cancel the setting and return to the previous interface.


25

3.8 Power Failure Memory Function

3.9 Parallel Function of Wired Controller1) A maximum of 16 wired controllers can be

connected in parallel, and the address can be set in the range of 0 to 15.

2) After wired controllers are connected inparallel, wired controllers with the sameaddress are not allowed on the bus;otherwise a communication failure will occur.

3) After multiple wired controllers are connected in parallel, data is shared among them, e.g.,the power-on/off function, data settings (such as the water temperature and hysteresis) and other parameters will be kept consistent(note: The mode, temperature, andhysteresis settings can be shared only when the system is powered on).

4) Start point of data sharing: After the power-on/off button is pressed, data can be shared during parameter adjustment. The "OK" button must be pressed after parameters are adjusted, and the finally adjusted values will be shared.

5) Since the bus is processed in the polling mode, the data of the wired controller with the minimum number is valid if multiple wired controllers are operated at the same time in the same bus cycle (4s). Avoid the above situation during operation.

6) After any of parallel wired controllers has been reset, the address of this wired controller is 0 by default.

3.10 Upper Computer Communication Function (Reserved)

1) The home page displays the content below during communication with the upper computer: Communication between the wired controller and the upper computer.

2) If the outdoor main control board is in the remote ON/OFF control mode and the wired controller sends an alarm, the current alarm page displays: Remote ON/OFF Control Mode. In this case, the network control of upper computer is invalid, and the wired controller can query the system status only and cannot send out control information.

The power supply to the system fails unexpect-edly during operation. When the system is powered on again, the wired controller continues to operate according to the status before the last power failure, including the power-on/off status, mode, set temperature, failure, protection, wired controller address, timer, hysteresis, etc. However, the memorized content must be the content set at least 7s before the power failure.

26

6 INSTALLATION MANUAL6.1 Safety precaution

Read the safety precautions carefully before installing the unit. Stated below are important safety issues that must be obeyed. Conform there is no abnormal phenomena during test operation after complete, then hand the manual to the user. Meaning of marks:

WARNING

CAUTION

Means improper handling may lead to personal death or severe injury.

Means improper handling may lead to personal injury or property loss.

WARNING

Please entrust the distributor or professionals to install the unit. Installation by other persons may lead to imperfect installation, electric shock or fire.

Strictly follow this manual. Imporper installation may lead to electric shock or fire.

Reinstallation must be performed by professionals. improper installation may lead to electric shock or fire.

Do not disassemble your air conditioner at will.A random disassembly may cause abnormal operation or heating, which may result in fire.


27

6.2 Other Precautions

CAUTION

Do not install the unit in a place vulnerable to leakage of flammable gases. Once flammable gases are leaked and left around the wire controller, fire may occure.

The wiring should adapt to the wire controller current. Otherwise, electric leakage or heating may occur and result in fire.

The specified cables shall be applied in the wiring. No external force maybe applied to the terminal. Otherwise, wire cut and heating may occur and result in fire.

Do not place the wired remote controller near the lamps, to avoid the remote signal of the controller to be disturbed. (refer to the right figure)

6.2.1. Installation location Do not install the unit in a place with much oil, steam, sulfide gas. Otherwise, the product may deform and fail.

6.2.2 Preparation before installation

1) Check whether the following assemblies are complete.

28

1

2

3

4

5

1

3

2

1

2

GB950-86 M4X20 (For Mounting on the Wall)

M4X25 GB823-88 (For Mounting on the Electrical Switch Box)

6 3

No. Name Qty. Remarks

Wire controller

Installation & Owner's Manual

Plastic bolt

For Mounting on the Wall

Cross round head woodmounting screw

Cross round headmounting screw

Plastic expansion pipe

This accessory is used wheninstall the centralized control inside the electric cabinet


29

6.3 Installation procedure and matching setting of wire controller

6.2.3 Note to installation of wire controller:

1) This installation manual contains information about the procedureof installing Wired Remote Controller. Please refer to Indoor UnitInstallation Manual for connecting between Wired RemoteController and Indoor Unit.

2) Circuit of Wired Remote Controller is low voltage circuit. Neverconnect it with a standard 220V/380V circuit or put it into a sameWiring Tube with the circuit.

3) The shield cable must be connected stable to the ground, ortransmission may fail.

4) Do not attempt to extend the shield cable by cutting, if it isnecessary, use Terminal Connection Block to connect.

5) After finishing connection, do not use Megger to have the insulationcheck to the signal wire.

30

mm91

mm48

mm44

120mm 20mm

mm021

Figure A

6.3.1 Structure size figure


31

6.3.2 Wiring

Main Unit control box

A X EYB

Wire controller

A B X Y E1 2 3 4 5

13.5VAC

0.75mm2

Input Voltage(A/B)

Wiring size

32

6.3.3 Back cover installation

Bucklingposition Back cover

Straight headscrewdriver

Front cover

Screw hole installed on the wall,use three GB950-86 M4X20


33

Screw hole installed on 86 Electrician box, use two M4X25 GB823-88

Screw hole fixed on the wall,use one GB950-86 M4X20

Back cover

Signal switchingwires

34

1 Use straight head screwdriver to insert into the buckling position in the bottom of wire controller, and spin the screwdriver to take down the back cover. (Pay attention to spinning direction, otherwise will damage the back cover!)

2) Use three GB950-86 M4X20 screws to directly install the back cover on the wall.

3) Use two M4X25 GB823-88screws to installthe back cover on the 86 electrician box,and use one GB950-86 M4X20 screws forfixing on the wall.

4) Adjust the length of two plastic screw bars in the accessory to be standard length fromthe electrical box screw bar to the wall.Make sure when install the screw bar to the wall, make it as flat as the wall.

5) Use cross head screws to fix the wirecontroller bottom cover in the wallthrough the screw bar. Make sure thewire controller bottom cover is on thesame level after installation, and theninstall the wire controller back to the bottom cover.

6) Over fasten the screw will lead to deformation of back cover.

6.3.4 Wire outlet

Cutting place of leftdown side wire outlet

Left down side wire outlet

A


35

B C

Wiringhole

xob naicirtcelE

Diameter 8-- 10 Wall hole and wiring hole

Putty

Trap Putty

Trap

Putty

Trap

Avoid the water enter into the wired remote controller, use trap and putty to seal the connectors of wires during wiring installation.

36

After adjusting the front cover and then buckle the front cover; avoid clamping the communication switching wire during installation.

Sensor can not be affected with damp.

6.4 Front cover installation


37

Correct install the back cover and firmly buckle the front cover and back cover, otherwise will make the front cover drop off.

38

No Error code Content

1

1E0 EEPROM error of main control board

2E0 EEPROM error of inverter module A

3E0 EEPROM error of inverter module B

2 E1 Power phase sequence error

3 E2 Communication error between main control board and wired controller

4 E3 Total water outlet temperature sensor error(master only)

5 E4 Outlet water temp sensor error

6 E5 Condenser tube temperature sensor error

7 E7 Outdoor ambient temperature sensor error

8 E9 Water flow detection error(protection occurs for 3 times in 60 minutes and the failure can be recovered by power disconnection only)

9 1Eb Evaporator anti-freezing temperature sensor (T61)error

1Eb Evaporator anti-freezing temperature sensor (T62)error

10 EC Wired controller detected that the units on-line reduction

11 1Ed System A discharge pipe temperature sensor error

2Ed System B discharge pipe temperature sensor error

12 EF Inlet water temperature sensor error

13 EH System self- check error alarm

14 EP Discharge pipe temperature sensor error alarm

15 EU Total cooling outlet temperature sensor(Tz) error

16 P0 High pressure or air discharge temperature protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

17 P1 Low pressure protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

18 P4 System A Current protection(protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)


39


19 P5 System B Current protection (protection occurs for 5 times in 120 minutes and the failure can be recovered by power disconnection only)

20 1P6 System A inverter module protection

2P6 System A inverter module protection

21 P7 Condenser high temperature protection

22 P9 Protection of outlet and inlet water temperature difference(protection occurs for 3 times in 60 minutes and the failure can be recovered by power disconnection only)

23 PA Inlet water high temperature in cooling mode

24 Pb System anti-freezing protection

25 PC Evaporator pressure low in cooling mode

26 PE Low-temperature protection of evaporator (manual recovery)

27 PH T4 high temperature protection in heating mode

28 PL Tfin module high temperature protection(Protection occurs for 3 times in 100 minutes and the failure can be recovered by power disconnection only)

29 1PU DC fan A module protection

2PU DC fan B module protection

30 1H0 System A IPM module Communication error

2H0 System B IPM module Communication error

31 H1 Under/Over voltage protection

32 1H4 Three times 1PP protection within one hour (power off recovery)

2H4 Three times 2PP protection within one hour (power off recovery)

33 1H6 System A DC bus voltage error

2H6 System B DC bus voltage error

34 Fb Pressure sensor error

35 Fd Air suction temperature protection error

40


36 FE Heat recovery temperature sensor error

37 1FF DC fan A error

2FF DC fan B error

38 FP DIP inconsistency of multiple water pumps(Power failure recovery required)

39 L0 Inverter module protection

40 L1 DC bus low voltage protection

41 L2 DC bus high voltage protection

42 L4 MCE error

43 L5 Zero speed protection

44 L7 Phase sequence error

45 L8 Compressor frequency variation greater than 15Hz within one second protection

46 L9 Actual compressor frequency differs from target frequency by more than 15Hz protection

47 dF Defrosting prompt


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