MINI VRF Service Manual_(312)

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  • MCAC-HTSM-2008-04 Contents

    Contents i

    Part 1 General Information..1

    Part 2 Indoor Units..6

    Part 3 Outdoor Units.217

    Part 4 Installation......268

    Part 5 Control...291 Manufacture reserves the right to discontinue, or change at any time, specifications or designs without notices and without incurring obligations.

  • MCAC-HTSM-2008-04 General Information

    General Information 1

    Part 1 General Information

    1. Product Lineup........................................................... 2

    2. Nomenclature ................................

    3. Features.........................................

  • Product Lineup MCAC-HTSM-2008-04

    2 General Information

    1. Product Lineup 1.1 Indoor Units:

    MDV Indoor Unit Refrigerant 2.2kW 2.8Kw 3.6kW 4.5kW 5.6kW 7.1kW 8.0kW 9.0kW 11.2kW 14.0kW

    Four-way cassette compact

    R410A

    Four-way cassette

    R410A

    Low static pressure duct

    R410A

    Duct

    R410A

    Ceiling & floor unit

    R410A

    Wall mounted unit

    R410A

    Wall mounted unit

    R410A

    Exposed Floor-standing

    R410A

    Concealed Floor-standing

    R410A

    New Four-way Cassette

    R410A

  • MCAC-HTSM-2008-04 Product Lineup

    General Information 3

    1.2 Outdoor Units MDV-V105W/SN1

    MDV-V140W/SN1/ MDV-V160W/SN1

    Model name Dimension (mm) Net/Gross weight (kg) Power supply

    MDV-V105W/SN1 Width: 990 Height: 966 Depth:396

    104/111 380~415V-3ph-50Hz

    MDV-V140W/SN1 Width: 940 Height: 1245 Depth:400

    124/130 380~415V-3ph-50Hz

    MDV-V160W/SN1 Width: 940 Height: 1245 Depth:400

    124/130 380~415V-3ph-50Hz

  • Nomenclature MCAC-HTSM-2008-04

    4 General Information

    2. Nomenclature 2.1 Indoor unit:

    MDV-D28Q4/CN1

    Refrigerant typeN1 R410A

    Cooling Capacity (100W )

    Multi-Digital-Variable

    Indoor UnitQ4 Four-way cassette Q4-A Compact four-way cassette Q4-C New four-way cassette T3 Low static pressure duct T2 Duct T1 High static pressure duct DL Ceiling&Floor G Wall-mounted Z Floor-standing

    D Digital Scroll A/C System

    Product Design SequenceA 1st design B 2nd design C 3rd design

    2.2 Outdoor unit:

    MDV-V 105 W/ S N1 Refrigerant N1: R410A Power Supply S:380V, 50Hz ,3Ph Outdoor Unit Capacity (X100W) DC Inverter

    Multi-Digital-Variable

  • MCAC-HTSM-2008-04 Features

    General Information 5

    3. Features 1. From 2.2kW to 16kW with different type indoor units, it is full compliance with residential and light

    commercial place. 2. Only two main refrigerant lines (liquid pipe and gas pipe) are required in one system. 3. In some large residential spaces or some light commercial space, such as villa, restaurant, usually it

    need more than one indoor unit, so outside the building are also full of outdoor unit. Now Midea can provide an effective solution-Midea DC inverter mini system. Since now the beauty of the building will be back.

    4. Indoor unit is over 50 models in 8 type variations can be choose, including 4-way cassette, 4-way

    cassette(Compact), duct, ceiling and floor, wall-mounted, floor-standing, give you the most fashionable and comfortable living space.

    5. The outdoor unit can be used as unitary type outdoor unit or multi type outdoor unit. So there can be only one indoor unit matched with outdoor unit.

    6. Indoor unit is the same as the inverter smart series, please refer to the inverter smart part.

  • Indoor Units MCAC-HTSM-2008-04

    6 Indoor Units

    Part 2 Indoor Units

    Four-way Cassette Compact Type....7 Four-way Cassette Type........25 New Four-way Cassette Type.45 Low Pressure Duct Type.........73 Medium Pressure Duct Type......87 Ceiling & Floor Type ....110 Wall mounted Type..132 New Wall-mounted Type....148 Exposed & Concealed Floor-standing Type170

  • MCAC-HTSM-2008-04 Four-way Cassette Compact Type

    Indoor Units 7

    Four-way Cassette Compact Type

    1. Features......................................................................................................8 2. Specifications ............................................................................................9 3. Dimensions .............................................................................................. 11 4. Service Space ..........................................................................................12

    5. Piping Diagrams ......................................................................................12 6. Wiring Diagrams ......................................................................................13 7. Air Velocity and Temperature Distributions ..........................................15 8. Capacity Tables........................................................................................16

    9. Electric Characteristics...........................................................................20 10. Sound Levels .........................................................................................20 11. Exploded View........................................................................................21 12. Accessories............................................................................................24

  • Four-way Cassette Compact Type MCAC-HTSM-2008-04

    8 Indoor Units

    1. Features (1) Low operation noise

    ---Streamline plate ensures quietness ---Creates natural and comfortable environment

    (2) Efficient cooling ---Equal, fast and widerange cooling

    (3) Built-in water pump which pumping head is 750mm up most

    (4) Compact design makes it easy for installation and maintenance

  • MCAC-HTSM-2008-04 Four-way Cassette Compact Type

    Indoor Units 9

    2. Specifications Sale Model MDV-D22Q4/CN1 MDV-D28Q4/CN1 MDV-D36Q4/CN1

    Power supply V-ph-Hz 220~240-1-50 220~240-1-50 220~240-1-50

    Capacity kW 2.2 2.8 3.6

    Input W 58 58 58 Cooling

    Rated current A 0.26 0.26 0.26

    Capacity kW 2.6 3.2 4.0

    Input W 58 58 58 Heating

    Rated current A 0.26 0.26 0.26

    Model YDK45-4F-3 YDK45-4F-3 YDK45-4F-3

    Type AC MOTOR AC MOTOR AC MOTOR

    Brand Welling Welling Welling

    Input W 65/59/55 65/59/55 65/59/55

    Capacitor uF 1.2uF/450V 1.2uF/450V 1.5UF/450V

    Indoor fan motor

    Speed(hi/mi/lo) r/min 930/770 930/770 930/770

    a.Number of rows 1 1 1

    b.Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37 21x13.37

    c.Fin spacing mm 1.4 1.4 1.4

    d.Fin type (code) Hydrophilic aluminum

    7 7 7 e.Tube outside dia.and type mm

    Inner groove tube

    f.Coil length x height x width mm 1188x210x13.37 1188x210x13.37 1188x210x13.37

    Indoor coil

    g.Number of circuits 3 3 3

    Indoor air flow (Hi/Mi/Lo) m3/h 570/400 570/400 570/400

    Sound level (sound pressure) dB(A) 38/35 38/35 38/35

    Dimension (W x H x D) mm 580 x 254 x580 580x254 x580 580x254 x580

    Packing (W x H x D) mm 750x340 x745 750x340 x745 750x340 x745 Indoor unit

    Net/Gross weight kg 18/25 18/25 18/25

    Dimension (W x H x D) mm 650 x30 x650 650 x30 x650 650 x30 x650

    Packing (W x H x D) mm 715 x115 x715 715 x115 x715 715 x115 x715 Panel

    Net/Gross weight kg 3/5 3/5 3/5

    Refrigerant piping Type R410A R410A R410A

    Design pressure MPa 4.2/2.5 4.2/2.5 4.2/2.5

    Refrigerant piping Liquid side/ Gas side mm 6.35/12.7 6.35/12.7 6.35/12.7

    Power wiring mm2 32.5(L20m); 33.5(L50m) Connection wiring

    Signal wiring mm2 31.0

    Drainage water pipe dia. mm 25 25 25

    Wireless remote controller R51/E(standard)

    Operation temp 1730

    Application area m2 1114.6 1418.6 1824

  • Four-way Cassette Compact Type MCAC-HTSM-2008-04

    10 Indoor Units

    Sale Model MDV-D45Q4/BN1 MDV-D56Q4/BN1

    Power supply V-ph-Hz 220~240-1-50 220~240-1-50

    Capacity kW 4.5 5.6

    Input W 63 63 Cooling

    Rated current A 0.28 0.28

    Capacity kW 5.0 6.3

    Input W 63 63 Heating

    Rated current A 0.28 0.28

    Model YDK45-4F YDK45-4F

    Type AC MOTOR AC MOTOR

    Input W 64/57/48 64/57/48

    Capacitor uF 2.5UF/450V 2.5UF/450V

    Indoor fan motor

    Speed(hi/mi/lo) r/min 930/660 930/660

    a.Number of rows 2 2

    b.Tube pitch(a)x row pitch(b) mm 21x13.37 21x13.37

    c.Fin spacing mm 1.4 1.4

    d.Fin type (code) Hydrophilic aluminum

    7 7 e.Tube outside dia.and type mm

    Inner groove tube

    f.Coil length x height x width mm 1247x26.74 x210 1247x210x26.7

    Indoor coil

    g.Number of circuits 5 5

    Indoor air flow (Hi/Mi/Lo) m3/h 570/400 570/400

    Sound level (sound pressure) dB(A) 39/36 39/36

    Dimension (W x H x D) mm 580x 254 x 580 580x254 x580

    Packing (W x H x D) mm 750x 340 x 745 750x340 x745 Indoor unit

    Net/Gross weight kg 24/30 24/30

    Dimension (W x H x D) mm 650 x30 x650 650 x30 x650

    Packing (W x H x D) mm 715 x115 x715 715 x115 x715 Panel

    Net/Gross weight kg 3/5 3/5

    Refrigerant Type R410A R410A

    Design pressure MPa 4.4/2.5 4.4/2.5

    Refrigerant piping Liquid side/ Gas side mm 6.35/12.7 6.35/12.7

    Power wiring mm2 32.5(L20m); 33.5(L50m) Connection wiring

    Signal wiring mm2 31.0

    Drainage water pipe d