Haier AD90S2SM3FA Manuel D'installation page 26

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
AD90S2SM3FA AD90S2SM4FA
AD105S2SM3FA AD105S2SM4FA
AD125S2SM3FA AD125S2SM4FA
AD140S2SM3FA AD140S2SM4FA
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.
WARNING
DANGER OF BODILY INJURY OR DEATH
Circuit breaker
Phase
Switch
breaker
(A)
1 40
Power source
wire size
Overcurrent
(minimum)
protector
(mm
rated capacity
(A)
30
20
Electrical wiring
Earth leakage breaker
Switch
breaker(A)
)
2
6.0 40
Leak
current(mA)
30