Electric Wiring - Haier AU142AFBEA Installation Instructions Manual

Installation Procedure

5. Electric wiring

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.)
Item
Model
AU28NAHBEA
AU36NAIBEA
AU42NAIBEA
AU52NAIBEA
AU142AFBEA
AU182AFBEA
AU242AHBEA
AU282AHBEA
(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.
For: AU142AFBEA, AU182AFBEA
WARNING
DANGER OF BODILY INJURY OR DEATH
Circuit breaker
Switch breaker
Phase
(A)
3
30
3
30
1
40
1
40
1
40
OUTDOOR UNIT
TERMINAL BLOCK
Power source
Overcurrent protector
(minimum)
rated capacity (A)
20
20
26
26
26
To Indoor Unit
1 2 3
W B R Y/G
FIG.1
11
Electric wiring
Earth leakage breaker
wire size
Switch
breaker
2
2.5mm 30
2
4.0mm 30
2
2.5mm 40
2
4.0mm 40
6.0mm 2 40
Y/G
Leak
current
30mA
30mA
30mA
30mA
30mA