Haier HBU-18CF03 - Page 81

CN7：time-shrink port
CN9：output port of transformer
CN10：swing motor port
CN11：reserved port
CN12：outdoor fan motor port
CN13：compressor port
CN16：neutral wire port
CN17：live wire port
CN18：fan motor port
CN19：neutral wire port
CN20：indoor coil temp. sensor
indoor ambient temp. sensor
CN21：input port of transformer
CN22：control port of network appliance
CN14
：control port of 4-way valve
CN15：water pump port
Dip switch state
BM1（1） BM1（2）
Remark
No outdoor PCB
× ×
The PCB of this
type have not
outdoor PCB
OFF-× ON-√
Unitary free
√ ×
Free multi
× √
Unitary inverter
√ √
Dip switch state BM2(1) BM2(2) BM2(3) BM2(4)
No temperature
compensation
× ×
* *
Temperature compensation
2℃
√ ×
* *
Temperature compensation
4℃
× √
* *
Temperature compensation
6℃
√ √
* *
Cooling only/heating and
cooling
* *
√/×
*
Have/no defrost sensor * * *
√/×
BM3、BM4：set address when used central control
BM4 BM3
Address 1 2 3 4 1 2 3 4
1
× × × × × × ×
2
√ × × × × × ×
3
× √ × × × × ×
4
√ √ × × × × ×
×- no
network
appliance
5
× × √ × × × ×
6
√ × √ × × × ×
…… …… …… …… …… …… ……
126
√ × √ √ √ √ √
127
× √ √ √ √ √ √
128
√ √ √ √ √ √ √
√- have
network
appliance
Commercial Air Conditioner Model: HBU-18CF03
HDU-42CF03/H HPU-42HF03
81