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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)

⑥

CN15

CN7

CN17

CN18/CN19/CN22

CN1/CN2

CN3

CN5/CN6

CN4

CN20

CN23

CN25

Midea MCH2U-18PHH2 User Manual

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