Electrical wiring
WARNING
DANGER OF BODILY INJURY OR
DEATH
TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC
CONNECTIONS.
GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.
Precautions for electrical wiring
Electrical wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated
grip on the ends of the wires.
Use copper conductor only.
Installation Procedure
20
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)
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.
AD90S2SM3FA AD90S2SM4FA
AD105S2SM3FA AD105S2SM4FA
AD125S2SM3FA AD125S2SM4FA
AD140S2SM3FA AD140S2SM4FA
301 40 30 6.0 40
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