Commercial Air Conditioner
Electric wiring
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.
(1) Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
Electric 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.
Select wire sizes and circuit protection from table below. (This table shows 20 m
length wires with less than 2% voltage drop.)
WARNING!
30mA
Item
Model
Phase
Switch breaker
(A)
Circuit breaker
Overcurrent
protector
Power
source wire
size
1
40
2
Switch
break
Earth leakage breaker
Leak
curren
(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor
unit is supplied by terminals.
For the detailed wiring connection with the indoor units, see the corresponding
indoor operation and instruction manual.
WARNING!
INTERCONNECTING WIRES MUST BE WIRED ACCORDING TO FIG.1
INCORRECT WIRING MAY CAUSE EQUIPMENT DAMAGE.
Model: AU122AEERA AB122ACERA
AC122ACERA AD122ALERA
17
AU122AEERA
26
A
40
mm
2.5
OUTDOOR UNIT
TERMINAL BLOCK
1 2 3
To Indoor Unit
Y/G
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