Air conditioning – Refreshes your life EWAD120-600MBY Applied Systems Sales1 EWAD-MBYNN Air-cooled

Applied Systems Sales 1

Air conditioning – Refreshes your life

EWAD120-600MBY

EWAD-MBYNNAir-cooled



EWAD120-600MBY

ContentsA. Equipment Overview

B. Capacity Range

C. Operation Range

D. Specifications

E. Construction

F. Options & Kits

EWAD-MBYNNAir-cooled



EWAD120-600MBY

• Daikin stepless single screw compressor

• All components optimized for use with R-134a

• Air heat exchanger: Cross fin coils / Hi-X tubes and PE waffle louvre fins

• Water heat exchanger: Shell & Tube

• Double refrigeration circuit (from 240kW)

EWAD120-170MBYNN EWAD240-340MBYNN

Double Circuit (2 Compressors)Single Circuit

Larg

e C

hille

rs: R

-134

a

A. Equipment Overview

EWAD380-600MBY



EWAD120-600MBY

Single circuit

(1 compressor)

Double circuit

(2 compressors)

kW 111 140 166 211 276 316 372 453 525 605

B. Capacity Range

HP 40 50 60 80 100 120 120+ 160 200 240

Model 120 150 170 240 300 345 380 460 520 600

EWAD-MBYNNLaunch June 06

Launch Aug 06



EWAD120-600MBY

C. Operation Range

Low Ambient to -15°C

LWE to -10°C

-30

-10 04

1016

20

Glycol Water

°C Ambient temperature

°C

LWE

30

-20

-10

0

20

30

40

50

10

-2026

43

39

33

-15

Continuous Operation Area Pull-Down

Area

Protect against freezing by:- Evaporator heater tape (std)- Glycol



EWAD120-600MBY

D. Specifications

Daikin Stepless Single Screw Compressor

pCO2 Control Platform

Shell & Tube Evaporator



EWAD120-600MBY

Pure Refrigerant -> No Glide

ODP = 0

Chlorine free

Low toxicity

Not flammable

Good and efficient refrigerating capacity

Moderate operating pressures

EWAD~MBY

D. Specifications -> Refrigerant



EWAD120-600MBY

Reliable New compressor:New compressor:

Stepless G-type compressor - Newly designed gate rotors- High efficient electric motor- COP increase of 5 to 10%- Newly designed slide vanes

New features:New features:

D. Specifications -> Stepless Compressor



EWAD120-600MBY

Compact Design

High pressure

High pressure

High pressure

High pressure

High Efficiency• Engineered plastic gate rotors• Ensuring closer tolerences

Low Vibration & Noise• Plastic on metal = lower noise• Runs at 2900rpm = 17400 compressions/min• Smoothed discharge flow = low vibrations

Durable & Reliable• Fewer moving parts• Balanced forces = Low bearing loads• Plastic on metal = Low wear• No need for oil pump

Equalisingline

HPSuction

Discharge

Discharge

LP

Equalisingline

Equalisingline

HPSuction

Discharge

Discharge

Suction

Discharge

Discharge

LP


1st Service Intervalafter 40000 hours



EWAD120-600MBY

Designed, tested and manufactured in Daikin’s own laboratories.

Launch of STEPLESS capacity control(Sales launch: August 2005)

Saves the environments resources …and nevertheless your own resources

Better partial load control WHAT YOU WANT IS WHAT YOU GET

More precise control of the temperature OUTLET CONTROL (± 0.5oC)

Smaller minimum water volume required Upto 40% less than stepped chillers

Less need for buffer tanks

G-type stepless




EWAD120-600MBY

STEPLESS capacity regulation

Designed, tested and manufactured in Daikin’s own laboratories.

The compressor has built-in capacity control by 30 – 100% by stepless slide valve mechanism, and adjustable volumetric ratio

100%

15%12%

Chiller Load

Demand

Starting position

Double Circuit

100%

30%

12%

Chiller Load

Demand

Starting position

Single Circuit




EWAD120-600MBY

D. Specifications -> Evaporator

Special double sided enhanced tube:

40% size reduction

Reduction in refrigerant charge

Ideal for stable refrigerant R-134a

High W/m² value for increased efficiency

Optimal refrigerant distribution



EWAD120-600MBY

Victaulic joints:Victaulic joints:

• 8° angle guarantees stress free

• Leak tight water piping connection

- Absorb vibration- Reduce operating sound- Reduce thermal deflection- Simplify chiller installation

D. Specifications -> Evaporator Hydronics



EWAD120-600MBY

Standard with Evaporator Heater Tape

D. Specifications -> Evaporator Heater

Insulation



EWAD120-600MBY

The nerve centre of th

e Chiller S

ystem

The nerve centre of th

e Chiller S

ystem

Benefits for the user ... - provides detailed information - accurate control of all functional parameters - easy menu screen scrolling.

D. Specifications -> pCO2 Controller



EWAD120-600MBY

Automatic restart after power failure

Control of operating and safety parameters

Schedule timer (4 timer groups)

Advanced freeze-up control

Floating set point according to ambient temperature

Extended alarm history (20 alarms)

5 languages

Time and date information

Daily pump on

Temperature probe fine tuning

Lead-lag of compressors

Features

D. Specifications -> pCO2 Controller



EWAD120-600MBY

D. Specifications -> Temperature Control

• Alters setpoint in function of ambient or ∆T• Increase setpoint = increase evaporating temp

Floating SetpointInlet / Outlet Control

• Sampling of temperatures every 12seconds• Fast (7%) Load-up, Slow Load-up (3%) or No Action depending on deviation• Fast (7%) Load-down, Slow Load-down (3%) or No Action depending on deviation



EWAD120-600MBY

1) Freeze-up PreventionUnload compressor if LWE drops

1oC below MOW

*For Glycol: ZH -6,5°C / ZL -11,5°C

LWE (°C)

t(min)

Freeze-UpSafety Setting

2,5

2STOP

4

1

3

D. Specifications -> Freeze-up Control

2) Freeze-up ProtectionStop compressor if LWE drops

1,5oC below MOW



EWAD120-600MBY

D. Specifications -> Expansion Device

TEV from EWAD120~340

• Greater control over a wider operating range

• Superheat kept to a minimum – optimizing evaporator

• Can cope with lower head pressures than TEV’s

Pro’s

• Energy savings at part load condition

• Energy savings at reduced optimum head pressures

EEV from EWAD380~600

Operation based on externalPressure compensation

EEV’s available on special request



EWAD120-600MBY

WHAT? Combine up to 4 DAIKIN chillers as if they were 1 unit …

- Entering or Leaving water control- Running hours balancing between units- Flexible and efficient pump control- Features of the individual unit remain

FEATURES :

Comfort cooling :

- Extend the DAIKIN chiller range - Create a chiller system of up to 2 MegaWatt ...

Bigger System Capacity

ADVANTAGES:

Process / Industrial cooling :

- Even more precise & efficient capacity control - Standby : provide backup in case of alarm - Cooling available under any conditions

Increase System Reliability

D. Specifications -> DICN



EWAD120-600MBY

EKCLWS

LOAD

Leaving water control with sensor.

Pump runs if at least 1 unit = ON.

DICN - System Example 1

Master

Slave 1

Slave 2

Slave 3

“Constant water volume system”


Fixed SpeedPump



EWAD120-600MBY

Entering water control.

Pump SL1-3 runs if unit = ON

DICN - System Example 2

Pump Master runs always.

“Variable flow water system”

M1

SL1

SL2

SL3


Master

Slave 1

Slave 2

Slave 3

Inverter pump

Fixed SpeedPumps



EWAD120-600MBY

Double high pressure switch

Low pressure switch

Freeze-up prevention & protection

Discharge thermal protector

Pressure relief valve on compressor

Compressor motor over current protector

Compressor motor thermal protector

Reverse phase protector

Recycling and guard timer

Digital display controller with electronic temperature control

Emergency Stop

D. Specifications -> Safety Devices

LP

HP



EWAD120-600MBY

Standard anti-corrosion treated

Acetic Salt Spray Test in accordance with ISO9227

(Aluminum)

Lubricant layer

Hydrophilic layer

Colouring & Corrosion proof

Corrosion proof layer

Cross fin coils

E. Construction -> Condenser



EWAD120-600MBY

Galvanized steel plateZinc-Phosphate coatingEpoxy powder painted)

High Quality Platework!

All-Weather Urban and Industrial Environment

COLOR Ivory white (Munsell code 5Y7.5/1)

( “Blue color” ) PE Condenser Coils

E. Construction -> Robust Chassis



EWAD120-600MBY

Single Circuit

E. Construction -> EWAD120-170MBY

3.980mm

2.135mm

1.110mm

V-Shape PECondensers

Daikin Single ScrewCompressor+ Housing

Shell & Tube



EWAD120-600MBY

Dual Circuit

42802238

2250


4 V-Shape Chromate TreatedCondensers

Daikin Single ScrewCompressor + Housing

Shell & Tube



EWAD120-600MBY

Double Circuit

Daikin Single ScrewCompressor+ Housing

Daikin Single ScrewCompressor+ Housing 5901

2238

2250


High Reliability !!!

6 V-Shape Chromate TreatedCondensers

Shell & Tubeevaporator



EWAD120-600MBY

Ergonomic Height

Spacious

High Quality Components

* EWAD120-340MBYNN

Spacious / Easy accessibleSwitch Box

E. Construction -> Switchbox

Field Wiring

Space

Space

Automatic Door Lock



EWAD120-600MBY

Easy Maintenance

Required Space forService and Air Intake

10001200

E. Construction -> Serviceability



EWAD120-600MBY

1. Low Noise Operation OPLN

2. Inverter Fans (On Special Request) OPIF

3. High ESP Fans OPHF

4. Dual Pressure Relief Valve OP03

5. Suction Stop Valve OP12

6. Mains Isolator Switch OP52

7. Ammeter Voltmeter OP57

8. Condenser Protection OPCG

F. Options & Kits -> Factory Fitted



EWAD120-600MBY

• High performance absorption & insulation material

• Anti vibration material.

Reduce fan speed900 to 600rpm

Insulated compressor compartment

+

Sound power level reduction of

- 6 dB(A)

=

F. Options & Kits -> Low Noise (OPLN)



EWAD120-600MBY

Sound reduction in function of ambient temperature

015 20 25 30 35 40

-1

-2

-3

-4

Sound power level (dBA)

Ambient temp. (°C)

F. Options & Kits -> Inverter Fans (OPIF)

Offered with or without OPLN

- Smooth operation, better colour of sound- Linear sound reduction in function of ambient

Further Reduction of - 3dBa



EWAD120-600MBY

F. Options & Kits -> Inverter Fans (OPIF)

- Stable HP control, better part load efficiency- Energy savings at ambient 10oC to -15oC

ON/OFF

On/Off Fan HP control-Cycling of fans On and Off-Requires dead band-Avg Tcondensing = 39oC

Inverter Fan HP control-Stepless modulation of fan speed-No dead band-Target Tcondensing = 30oC

Example: EWAD520 @ 5oC ambient

Result = 15kWhr Energy Saving!



EWAD120-600MBY

F. Options & Kits -> High ESP Fans (OPHF)Correction factor for cooling capacity for units with high ESP option in function of set ESP

75Pa 100Pa 125Pa 150PaEWAD120MBYNN 1 0.98 0.95 0.91EWAD150MBYNN 1 1 0.99 0.98EWAD170MBYNN 1 1 0.99 0.98EWAD240MBYNN 1 0.98 0.95 0.91EWAD300MBYNN 1 1 0.99 0.98EWAD340MBYNN 1 1 0.99 0.98EWAD380MBYNN TBC TBC TBC TBCEWAD460MBYNN TBC TBC TBC TBCEWAD520MBYNN TBC TBC TBC TBC

Correction factor for power input for units with high ESP option in function of set ESP

75Pa 100Pa 125Pa 150PaEWAD120MBYNN 1,05 1.07 1.1 1.13EWAD150MBYNN 1.07 1.07 1.08 1.09EWAD170MBYNN 1.07 1.07 1.08 1.09EWAD240MBYNN 1,05 1.07 1.1 1.13EWAD300MBYNN 1.07 1.07 1.08 1.09EWAD340MBYNN 1.07 1.07 1.08 1.09EWAD380MBYNN TBC TBC TBC TBCEWAD460MBYNN TBC TBC TBC TBCEWAD520MBYNN TBC TBC TBC TBC



EWAD120-600MBY

2

1

Re-calibration possible withoutrefrigerant evacuation

F. Options & Kits -> For Service

Daikin Single ScrewCompressor

Daikin Single ScrewCompressor

Suction SideLP-Side

Pressure SideHP-Side

Non Return Valve on HP-Side is Standard

Stop Valve on LP-Side is an option

OP03 Dual Pressure Relief

OP12 Suction Stop Valve



EWAD120-600MBY

F. Options & Kits -> For Service

A

AV

Compressor 1

Compressor 2

L1, L2, L3

OP52 Mains Isolator Switch

OP57 Ammeter / Voltmeter



EWAD120-600MBY

Factory Mounted Condenser Protection Grilles

F. Options & Kits -> Protection Grilles (OPCG)



EWAD120-600MBY

1. Remote Controller EKRUPC

2. BMS

1. Modbus EKBMSMBA

2. Bacnet EKBMSBNA

3. DICN

1. LWE Sensor EKCLWS

F. Options & Kits -> Field Installed



EWAD120-600MBY

PCO² - Controller

UNIT

GatewayBMS (Building Management System)

PCO-controller

EKBMSMBAEKBMSBNA

EKAC200A

Remote Controller

Remote Controller&

BMS

RS232/485/422

F. Options & Kits -> Remote & BMS



EWAD120-600MBY

Read out :

Temperatures Pressures Status Alarms...

Write :

Setpoints Remote on/off Operation mode...

Question

Answer

Access up to 130 parameters

Interface

needed

Modbus: Max. 16 addresses

BACnet: Max. 8 addresses

F. Options & Kits -> BMS



EWAD120-600MBY

Large

Air-Cooled

Chillers

EWAD120~600MBY1. R-134a: the good choice !

2. High specifications

3. High Quality Components

4. Useful Options

Documents

Air conditioning – Refreshes your life EWAD120-600MBY Applied Systems Sales1 EWAD-MBYNN Air-cooled