Haier AB25S2SC1FA, Service Manual

Page: 40 / 182

38
Selection of size of power supply and interconnecting wires
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.)
Item
Model
Phase Switch
breaker
(A)
Circuit breaker
Overcurrent
protector
rated capacity
(A)
Power source
wire size
(minimum)
(mm
2
)
Switch
breaker(A)
Earth leakage breaker
Leak
current(mA)
30 1 40 26 4.0 40
AD50S2SM1FA AD71S2SM1FA
The specification of power cable is HO5RN-F3G 4.0mm .
The specification of cable between indoor unit to outdoor unit is HO5RN-F4G 2.5mm 2
2
POWER SUPPLY & INDOOR-OUTDOOR CONNECTION:
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by outdoor
unit terminal blocks.
WIRED CONTROLLER& INDOOR PCB CONNECTION(one for one wiring type):
.
Note
：
When do the wired controller & indoor PCB wiring work for model AD50/71S2SM1FA,do not connect
the shielded wired to the unit’s shell,do not parallel wiring with strong electric lines within 0.3 meters, please
keep strong lines and the signal lines separately.
INDOOR UNIT PCB
CN22
WIRED
CONTROLLER
CON1
A
B
C
A
B
C