Haier AC142ACBEA Service Manual page 112

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.
Wiring of outdoor unit
Insert the cable from inside
the wall hole piping already
exists.
Pull it out from front.
Loose terminal screw
and insert cable end fully into
terminal block, then tighten it.
Pull the cable gently to make
sure it is tight.
Replace cover after wiring.
Note:
When connecting indoor and outdoor
wire, check the numbers on indoor
and outdoor terminal blocks. Terminals
of same number and same color shall
be connected by a same wire.
Incorrect wiring may damage air
conditioner's controller or cause
operation failure.
WARNING
DANGER OF BODILY INJURY OR DEATH
Terminal block
Wire clip
Wire loop
Grounding
screw
L N
Termianl block of
indoor unit
1 2
L N
1 2
Termianl block of
outdoor unit
To power supply
1 2 3
3
3