Installation Procedure
Precautions for electrical wiring
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
AD35S2SM3FA AD35S2SM4FA
AD50S2SM3FA AD50S2SM4FA
AD71S2SM3FA AD71S2SM4FA
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):
.
INDOOR UNIT PCB
CN22
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.
WARNING
DANGER OF BODILY INJURY OR DEATH
Circuit breaker
Phase
Switch
breaker
(A)
1
40
A
B
C
Power source
wire size
Overcurrent
(minimum)
protector
(mm
rated capacity
(A)
26
4.0
WIRED
CONTROLLER
A
B
CON1
C
23
Electrical wiring
Earth leakage breaker
Switch
breaker(A)
current(mA)
)
2
40
Leak
30