Midea M2OC-18HFN1-M Service Manual page 103

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)
CN15 CN7
CN18/CN19 CN25/CN23
CN5/CN6 CN3
CN1/CN2
CN17
CN4