Midea MCH2U-18PHH2 Service Manual page 115

CN1(5p,white)
CN14(3p,white)
CN3(red or brown)
CN5(blue)
6) Remove the IPM board.
7) Disconnect the
connectors and wires
connected from PCB and other
parts.
Connectors:
CN17:T3/T4 temperature sensor
(2p/2p,white)
CN7: Discharge temperature sensor
(2p,white)
CN12:Ttop temperature
sensor(2p,white)
CN15:T2B-A,B,C temperature sensor
(2p/2p/2p,white)
CN18/CN19/CN22: Electronic
expansive valve A,B,C
(6p/6p/6p,red/red/red)
CN25/CN23/CN20: S-A,S-B,S-C
(3p/3p/3p,white/white/white)
CN15 CN7
CN17
CN1/CN2
115
⑥
CN18/CN19/CN22
CN20
CN23
CN25
CN3
CN4
CN5/CN6