Midea M2OD-16HFN1-Q User manual

SERVICE MANUAL
MIDEA SUPER DC INVERTER MULTI TYPE
DC MULTI OUTDOOR UNITS
M2OD-16HFN1-Q
M2OD-18HFN1-Q
M3OD-21HFN1-Q
M3OD-26HFN1-Q
M4OD-28HFN1-Q
M4OA-36HFN1-Q
M5OC-36HFN1-Q
M5OD-42HFN1-Q
DM15-01.01.11-01en
Библиотека СОК Библиотека СОК 

Service manual DM15-01.01.11-01en
2 Multi DC inverter R410A. Outdoor unit
CONTENTS
1. GENERAL INFORMATION OF OUTDOOR UNITS.................................3
2. FEATURES...............................................................................................4
3. SPECIFICATION ......................................................................................5
4. DIMENSIONS.........................................................................................17
5. WIRING DIAGRAM................................................................................22
6. REFRIGERATION CYCLE DIAGRAM...................................................25
7. INDOOR UNITS COMBINATION...........................................................28
8. SOUND LEVELS....................................................................................31
9. INSTALLATION DETAILS......................................................................32
10. ELECTRONIC CONTROL FUNCTION................................................43
11. TROUBLESHOOTING .........................................................................49

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 3
1. General information of Outdoor Units
Model name Dimension (mm)
M2OD-18HFN1-Q 810x310x558
M2OD-18HFN1-Q 845x320x700
M3OD-21HFN1-Q 845x320x700
M3OD-26HFN1-Q 845x320x700
M4OD-28HFN1-Q 900x315x860
M4OA-36HFN1-Q 990x345x965
M5OC-36HFN1-Q 990x345x965
M5OD-42HFN1-Q 990x345x965

Service manual DM15-01.01.11-01en
4 Multi DC inverter R410A. Outdoor unit
2. Features
The hydrophilic fin can improve the heating efficiency at operation mode.
It protects the valves and prevents water from dripping.
4 way valve control
It is only operated in the heating operation mode except defrosting operation.
Outdoor unit
Power relay control
Hydrophilic aluminum fin
Anti-rust cabinet
Valve protection cover
Low noise air flow system
Discharge pipe temperature protection

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 5
3. Specification
Outdoor Model M2OD-16HFN1-Q M2OD-18HFN1-Q
Power supply V-ph-Hz 220-240V- 50Hz, 1Ph 220-240V- 50Hz, 1Ph
Single Double Single Double
Cooling
Capacity kW 1,47-3,52 4,81 2,05-4,69 5,28
Input W / 1480 / 1650
Rated current A / 6,5 / 7,55
EER / 3,24 / 3,2
Heating
Capacity kW 1,76-3,81 4,75 2,35-4,98 5,57
Input W / 1230 / 1550
Rated current A / 5,4 / 7,1
COP / 3,87 / 3,6
Max. input consumption W 2400 2950
Max. input current A 11 14
Compressor
Model ASN108D22UEZ DA130M1C-31FZ
Type ROTARY ROTARY
Brand GMCC GMCC
Capacity Btu/h 11072 13443
Input W 827 1005
Rated current(RLA) A 5.85 3.95
Locked rotor Amp(LRA) A --- ----
Thermal protector position --- ----
Capacitor μF --- INTERNAL
Refrigerant oil ml ESTER OIL VG74 370 ESTER OIL VG74/480
Outdoor fan
motor
Model WZDK40-38G-W-1 WZDK40-38G-W-1
Qty 1 1
Output W 40(Output) 40(Output)
Capacitor μF - - - -
Speed(Hi/Med/Lo) r/min 800 800
Outdoor coil
Number of rows 2 2
Tube pitch(a)* row pitch(b) mm 25.4x22 25.4x22
Fin spacing mm 1.4 1.4
Fin type Hydrophilic aluminium Hydrophilic aluminium
Tube outside dia.and type mm Φ9.52,innergroove tube Φ9.52,innergroove tube
Coil length * height * width mm 865x508x44 865x508x44
Number of circuits 4 4
Outdoor air flow m3/h 2100 2100
Outdoor sound pressure level dB(A) 56 56
Outdoor sound power level dB(A) 65 65
Throttle type Capillary+EXV Capillary+EXV
Outdoor unit
Dimension(WxDxH) mm 810x310x558 810x310x558
Packing(WxDxH) mm 930x400x615 930x400x615
Net/Gross weight kg 34.5/37.5 36.5/39.5
Refrigerant
Type R410A R410A
GWP 2088 2088
Charged quantity Kg 1.7 2.0
Design pressure MPa 4.2/1.5 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) 2 x Φ6.35/Φ9.52(1/4"/3/8") 2 x Φ6.35/Φ9.52(1/4"/3/8")
Max. length for all rooms m 30 30
Max. length for one indoor unit m 20 20

Service manual DM15-01.01.11-01en
6 Multi DC inverter R410A. Outdoor unit
Max. height difference
between indoor and
outdoor unit
OU higher
than IU m 10 10
OU lower
than IU m 15 15
Max. height difference between indoor
units m 10 10
Ambient
temperature
Cooling ℃-15-50 -15-50
Heating ℃-15-24 -15-24
Remarks:
1.The above design and specifications are subject to change without prior notice for product
improvement.
2.The values given in the table for the noise level reflect the levels in hemi-anechoic rooms.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 7
Outdoor Model M3OD-21HFN1-Q M3OD-26HFN1-Q
Power supply V-ph-Hz 220-240V- 50Hz, 1Ph 220-240V- 50Hz, 1Ph
Single Double Three Single Double Three
Cooling
Capacity kW 2,05-3,52 4,10-5,28 6,45 2,05-3,52 4,10-5,28 7,62
Input W 1000-1300 1500-1780 1970 / / 2370
Rated current A 4.4-5.7 6.5-7.7 8,83 / / 10,6
EER / / 3,27 / / 3,21
Heating
Capacity kW 2,64-4,10 4,98-5,86 6,57 2,64-4,10 4,98-5,86 6,74
Input W 900-1200 1400-1630 1780 / / 1840
Rated current A 4.0-5.3 6.1-7.1 7,98 / / 8,2
COP / / 3,69 / / 3,67
Max. input consumption W 3300 3300
Max. input current A 15 15
Compressor
Model DA150S1C-20FZ DA150S1C-20FZ
Type Twin-rotary Twin-rotary
Brand GMCC GMCC
Capacity Btu/h 15286 15286
Input W 1150 1150
Rated current(RLA) A 9.7 9.7
Locked rotor Amp(LRA) A / /
Thermal protector position EXTERNAL EXTERNAL
Capacitor μF / /
Refrigerant oil ml ESTER OIL VG74/500 ESTER OIL VG74/500
Outdoor fan
motor
Model WZDK50-38G WZDK50-38G
Qty 1 1
Output W 50 50
Capacitor μF / /
Speed(Hi/Med/Lo) r/min 750 750
Outdoor coil
Number of rows 2 2
Tube pitch(a)* row pitch(b) mm 25.4x22 25.4x22
Fin spacing mm 1.4 1,4
Fin type Hydrophilic aluminium Hydrophilic aluminium
Tube outside dia.and type mm Φ9.52,innergroove tube Ф9.52, inner groove tube
Coil length * height * width mm 766x660x44 766x660x44
Number of circuits 4 4
Outdoor air flow m3/h 2700 2700
Outdoor sound pressure level dB(A) 58 58
Outdoor sound power level dB(A) 64 68
Throttle type Capillary+EXV Capillary+EXV
Outdoor unit
Dimension(WxDxH) mm 845x320x700 845x320x700
Packing(WxDxH) mm 965x395x755 965x395x755
Net/Gross weight kg 50 / 54 50/54
Refrigerant
Type R410A R410A
GWP 2088 2088
Charged quantity Kg 2,1 2.1
Design pressure MPa 4.2/1.5 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) 3 x Φ6.35/Φ9.52(1/4"/3/8") 3 x Φ6.35/Φ9.52(1/4"/3/8")
Max. length for all rooms m 45 45
Max. length for one indoor
unit m 25 25

Service manual DM15-01.01.11-01en
8 Multi DC inverter R410A. Outdoor unit
Max. height
difference
between indoor
and outdoor unit
OU
higher
than IU
m 10 10
OU
lower
than IU
m 15 15
Max. height difference
between indoor units m 10 10
Ambient
temperature
Cooling ℃-15-50 -15-50
Heating ℃-15-24 -15-24
Remarks:
1.The above design and specifications are subject to change without prior notice for product
improvement.
2.The values given in the table for the noise level reflect the levels in hemi-anechoic rooms.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 9
Outdoor Model M4OD-28HFN1-Q
Power supply V-ph-Hz 220-240V- 50Hz, 1Ph
Single Double Three FOUR
Cooling
Capacity kW 1,47-4,40 352-6,16 5,28-7,03 8,21
Input W 1334-1784 1730-2403 2234-2777 2470
Rated current A 5.8-7.8 7.5-10.7 9.7-12.1 11.2
EER / / / 3.32
Heating
Capacity kW 1,47-4,40 3,52-6,16 5,28-7,91 9,09
Input W 1656-2520 2131-3419 2959-3515 2440
Rated current A 7.2-11.0 9.3-14.9 12.9-15.3 11.1
COP / / / 3.72
Max. input consumption W 3700
Max. input current A 17
Compressor
Model DA250S2C-30MT
Type Twin-rotary
Brand GMCC
Capacity Btu/h 26289
Input W 2120
Rated current(RLA) A 8.85
Locked rotor Amp(LRA) A /
Thermal protector position /
Capacitor μF /
Refrigerant oil ml ESTER OIL VG74/820
Outdoor fan
motor
Model WZDK72-38G
Qty 1
Output W 72(Output)
Capacitor μF /
Speed(Hi/Med/Lo) r/min 800
Outdoor coil
Number of rows 2
Tube pitch(a)* row pitch(b) mm 22x19.05
Fin spacing mm 1.4
Fin type Hydrophilic aluminium
Tube outside dia.and type mm Φ7.94,innergroove tube
Coil length * height * width mm 766x814x38.1
Number of circuits 4
Outdoor air flow m3/h 3800
Outdoor sound pressure level dB(A) 62
Outdoor sound power level dB(A) 70
Throttle type Capillary+EXV
Outdoor unit
Dimension(WxDxH) mm 900x315x860
Packing(WxDxH) mm 1043x395x915
Net/Gross weight kg 65/69
Refrigerant
Type R410A
GWP 2088
Charged quantity Kg 2.4
Design pressure MPa 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) 4 x Φ6.35/Φ9.52(1/4"/3/8")
Max. length for all rooms m 60
Max. length for one indoor unit m 30

Service manual DM15-01.01.11-01en
10 Multi DC inverter R410A. Outdoor unit
Max. height difference
between indoor and
outdoor unit
OU higher
than IU m 10
OU lower than
IU m 15
Max. height difference between indoor
units m 10
Ambient
temperature
Cooling ℃-15-50
Heating ℃-15-24
Remarks:
1.The above design and specifications are subject to change without prior notice for product
improvement.
2.The values given in the table for the noise level reflect the levels in hemi-anechoic rooms.