0010452035 for HBU-42HF03, 0010452036 for HBU-28CH03 and HBU-42CF03 indoor unit
CN7
CN5
CN4
CN8
BM
CN9
CN3
CN2
CN19
CN12
CN11
CN14
CN17
CN1
CN6
CN15
CN13
BM2(1) BM2(2) BM2(3) BM2(4)
With/without defrost sensor √/× * * *
With/without pressure switch * √/× * *
Wired/remote control * * √/× *
With/without temp. compensation * * * √/×
PCB photo