Haier HBU-42CH03 - Page 215

CN13
CN19
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CN16CN17CN27 CN3
CN12
SW3
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C
N1
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0010451289 for HPU-42HF03 indoor unit
With/without defrost sensor √/× * * *
With/without pressure switch * √/× * *
Wired/remote control * * √/× *
With/without temp. compensation * * * √/×
The dip switch definition of 0010452620 and 0010451289 are as following:
SW3(1)
SW3(2)
SW3(3)
SW3(4)
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Wiring diagram and PCB photo