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.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 11
Outdoor Model M4OA-36HFN1-Q
Power supply V-ph-Hz 220-240V- 50Hz, 1Ph
Single Double Three FOUR
Cooling
Capacity kW 2,05-5,28 4,10-7,62 6,16-10,55 10,55
Input W 1250-1700 1650-2320 2150-3520 3280
Rated current A 5.4-7.4 7.2-10.1 9.3-15.3 14.3
EER / / / 3.22
Heating
Capacity kW 2,34-5,86 4,68-8,50 7,03-11,72 12,02
Input W 1570-2440 2050-3340 2880-3540 3330
Rated current A 6.8-10.6 8.9-14.5 12.5-15.4 14.5
COP / / / 3.61
Max. input consumption W 4800
Max. input current A 21.5
Compressor
Model TNB306FPGMC-L
Type Twin-rotary
Brand Mitsubishi
Capacity Btu/h 33711
Input W 3010
Rated current(RLA) A 13,5
Locked rotor Amp(LRA) A /
Thermal protector position /
Capacitor μF /
Refrigerant oil ml 1070
Outdoor fan
motor
Model WZDK180-38G
Qty 1
Output W 180
Capacitor μF /
Speed(Hi/Med/Lo) r/min 850
Outdoor coil
Number of rows 2
Tube pitch(a)* row pitch(b) mm 22x19.05
Fin spacing mm 1.5
Fin type Hydrophilic aluminium
Tube outside dia.and type mm Φ7.94,inner groove tube
Coil length * height * width mm 895x902x38.1
Number of circuits 8
Outdoor air flow m3/h 5500
Outdoor sound pressure level dB(A) 64
Outdoor sound power level dB(A) 70
Throttle type Capillary+EXV
Outdoor unit
Dimension(WxDxH) mm 990x345x965
Packing(WxDxH) mm 1120x435x1100
Net/Gross weight kg 78/88
Refrigerant
Type R410A
GWP 2088
Charged quantity Kg 2.7
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
12 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.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 13
Outdoor Model M5OC-36HFN1-Q
Power supply V-ph-Hz 220-240V- 50Hz, 1Ph
Single Double Three FOUR FIVE
Cooling
Capacity kW
2,05-5,28 4,10-7,33 6,15-8,79 8,21-10,55 10,55
Input W 1330-1780 3280
Rated current A 5.8-7.8 14,6
EER / / / / 3.22
Heating
Capacity kW
2,05-5,28 4,10-7,62 6,15-9,38 8,21-11,72 12,31
Input W 1650-2500 3400
Rated current A 7.2-11.0 15,3
COP / / / / 3,62
Max. input consumption W 4900
Max. input current A 22.0
Compressor
Model TNB306FPGMC-L
Type Twin-rotary
Brand MITSUBISHI
Capacity Btu/h 33711
Input W 3010
Rated current(RLA) A 13.5
Locked rotor Amp(LRA) A -----
Thermal protector position -----
Capacitor μF -----
Refrigerant oil ml FV50S/1070
Outdoor fan
motor
Model WZDK180-38G
Qty 1
Output W 180
Capacitor μF - -
Speed(Hi/Med/Lo) r/min 850
Outdoor coil
Number of rows 2
Tube pitch(a)* row pitch(b) mm 22x19.05
Fin spacing mm 1.5
Fin type Hydrophilic aluminium
Tube outside dia.and type mm Φ7.94,inner groove tube
Coil length * height * width mm 893x902x38.1
Number of circuits 8
Outdoor air flow m3/h 5500
Outdoor sound pressure level dB(A) 64
Outdoor sound power level dB(A) 68
Throttle type Capillary+EXV
Outdoor unit
Dimension(WxDxH) mm 990x345x965
Packing(WxDxH) mm 1120x435x1100
Net/Gross weight kg 80/91
Refrigerant
Type R410A
GWP 2088
Charged quantity Kg 3.0
Design pressure MPa 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) 5 x Φ6.35/Φ9.52(1/4"/3/8")
Max. length for all rooms m 75
Max. length for one indoor unit m 30

Service manual DM15-01.01.11-01en
14 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.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 15
Outdoor Model M50D-42HFN1-Q
Power supply V-ph-Hz Single Double Three FOUR FIVE
220-240V- 50Hz, 1Ph
Cooling
Capacity kW
2,05-5,28 4,10-8,21 6,15-10,55 8,21-11,72 12,31
Input W 680-1800 1400-2780 2100-3450 2700-3700 3830
Rated current A 3.0-8.0 6.2-11.8 9.0-15.0 11.6-16.0 17,5
EER / / / / 3,21
Heating
Capacity kW
2,05-5,28 4,10-8,21 6,15-10,55 8,21-11,72 12,31
Input W 680-1800 1400-2680 1995-3330 2580-3570 3410
Rated current A 3.0-8.0 6.2-11.3 8.5-14.5 11.1-15.8 15,6
COP / / / / 3,61
Max. input consumption W 5600
Max. input current A 25
Compressor
Model MNB36FAAMC-L
Type Twin-rotary
Brand MITSUBISHI
Capacity Btu/h 40603
Input W 3520
Rated current(RLA) A 13.4
Locked rotor Amp(LRA) A -----
Thermal protector position Internal
Capacitor μF -----
Refrigerant oil ml 1400
Outdoor fan
motor
Model WZDK180-38G
Qty 1
Output W 180
Capacitor μF - -
Speed(Hi/Med/Lo) r/min 800
Outdoor coil
Number of rows 3
Tube pitch(a)* row pitch(b) mm 21x13.37
Fin spacing mm 1.4
Fin type Hydrophilic aluminium
Tube outside dia.and type mm Φ7,inner groove tube
Coil length * height * width mm 891x903x40.11
Number of circuits 8
Outdoor air flow m3/h 5400
Outdoor sound pressure level dB(A) 66
Outdoor sound power level dB(A) 72
Throttle type Capillary
Outdoor unit
Dimension(WxDxH) mm 990x345x965
Packing(WxDxH) mm 1120x435x1100
Net/Gross weight kg 83.5/93
Refrigerant
Type R410A
GWP 2088
Charged quantity Kg 3.5
Design pressure MPa 4.2/1.5
Refrigerant
piping
Liquid side/ Gas side mm(inch) 5 x Φ6.35/Φ9.52(1/4"/3/8")
Max. length for all rooms m 75
Max. length for one indoor unit m 30

Service manual DM15-01.01.11-01en
16 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.

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 17
4. Dimensions
M2OD-18HFN1-Q
D2 348
558
H
W2
64
795 W
549 W1
810 W3
A2
61.6 A1
25.4
R20
R7.7
289
D3
D1 325
10
B1
66.6
B2
104.2
50 H1
90 H2

Service manual DM15-01.01.11-01en
18 Multi DC inverter R410A. Outdoor unit
M3OD-21HFN1-Q, M3OD-26HFN1-Q
560 W1
H
6
D1 335
D2 360 845 W
313
D3
335
D1
R6 R5
A1
22
A2
50
B1
120
110
B2
700
W2
73
58 58 58 58 58
110
H1
H2
200.7
243.6
L1 L2

DM15-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 19
M4OD-28HFN1-Q
900 W
590 W1
860
H
12
D2 355
D1 333
302
D3
333
D1
50
97
90
B2 B1
8
A2
5555 55 55 55 55 55110
62
W2
H1
H2
R6
238.4
285.7
L1
L2

Service manual DM15-01.01.11-01en
20 Multi DC inverter R410A. Outdoor unit
M4OA-36HFN1-Q
624 W1
990 WD2 397
D1 366
965
10
H
78
W2
340
366
D3 D1
125
145
B1
B2
60
22
A2
A1
55
140
H1
H2
R5
R6