90
DANGER OF BODILY INJURY OR DEATH
• TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY
ELECTRIC
CONNECTIONS.
• GROUND CONN
ECTIONS 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.
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.)
The specication of power cable is HO5RN-F3G 4.0mm
2
The specication of cable between indoor unit to outdoor unit is HO5RN-F4G 2.5mm
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
(on
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.
Item
Model
Phase
Circuit breaker Power source
wire size
(minimum)
(mm
2
)
Earth leakage breaker
Switch breaker(A)
Overcurrent
protector rated
capacity
Switch
breaker(A)
Leak
current(mA)
AD50S2SM1FA
AD71S2SM1FA
1 40 26 4.0 40 30
WARNING
.
INDOOR UNIT PCB
WIRED
CONTROLLER
CN22 CON1
A
B
C
A
B
C
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