CN38(2p,white)
CN21(5p,white)
CN39(2p,blue)
L-OUT(red)
N-OUT(blue)
6)
Remove the IPM board.
7)
Disconnect the
connectors and wires connected
from PCB and other parts.
Connectors:
CN17:T3/T4 temp. sensor
(2p/2p,white)
CN7: Tdischarge temp. sensor
(2p,white)
CN15:T2B-A,B temp. sensor
(2p/2p,white)
CN18/CN19: Electronic expansive
valve A,B (6p/6p,red/red)
CN25/CN23: S-A,S-B
(3p/3p,white/white)
Wires:
CN1/CN2: 4-way valve (blue-blue)
CN5/CN6: Crankcase heating cable
(red-red)
CN3:L-IN (red)
CN4:N-IN (black)
CN17
CN7
CN15
CN18/CN19
CN25/CN23
CN1/CN2
CN5/CN6
CN3
CN4
Summary of Contents for M2OC-18HFN1-M
Page 19: ...8 Wiring Diagrams 8 1 Wiring diagram of 1 drive 2 outdoor M2OC 18HFN1 M M2OD 18HFN1 M...
Page 20: ...PCB board of M2OC 18HFN1 M M2OD 18HFN1 M...
Page 21: ...IPM board of M2OC 18HFN1 M...
Page 22: ...IPM board of M2OD 18HFN1 M...
Page 23: ...8 2 Wiring diagram of 1 drive 3 outdoor M3OD 27HRDN1 M M3OC 30HRFN1 M...
Page 24: ...PCB board of M3OC 30HRFN1 M...
Page 25: ...IPM board of M3OC 30HRFN1 M...
Page 26: ...PCB board of M3OD 27HRDN1 M...
Page 27: ...IPM board of M3OD 27HRDN1 M...
Page 28: ...8 3 Wiring diagram of 1 drive 4 outdoor M4OC 36HRFN1 M...
Page 29: ...PCB board of M4OC 36HRFN1 M...
Page 30: ...IPM board of M4OC 36HRFN1 M...
Page 31: ...PFC board of M4OC 36HRFN1 M...
Page 66: ...IPM for dual tri zone IPM for qua zone P N for dual tri zone...
Page 67: ...P N for qua zone...
Page 68: ...bridge rectifier for dual tri zone bridge rectifier for qua zone...
Page 69: ...Remark Measure the DC voltage between and port The normal value should be 190V 250V...
Page 71: ...Two ports of the inductance Inductance...
Page 72: ......
Page 77: ......
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Page 81: ......
Page 83: ......
Page 96: ...6 EXV check Disconnect the connectors...
Page 98: ...Red Blue Red Yellow...
Page 99: ...Brown Orange Brown White...
Page 114: ...Screws of front panel Screws of right rear panel Screws of top cover...
Page 128: ......