Indoor Unit Wiring - Haier AB142ACBBA Operation Manual

Installation Procedures

4. Indoor unit wiring

Connect terminals (A,B,C,D) on lower
part of wire controller to terminals (A,
B,C,D) on PCB of indoor unit.
Hint
Tread surface of the terminal well so that
shielding may not contact other part.
5. Replace the upper part of wire controller
Be careful not to press the wiring.
Hint
1. Switch box and cord for wiring are not supplied.
2. Don't touch PCB with hand.
wiring from here
A B C D
Lower part of
wire controller
Upper part of
wire controller
Hint
When make wiring, please keep
a distance between wires and
power supply cord.
Wire size
Cord kind
Shield wire (4 core) (refer to Hint 3,4)
Size
Use shielede wires for telecommunication
between wire controller and indoor unit;
indoor unit and outdoor unit. Ground the
shield on one side.
Otherwise misoperation because of noise
may occur.
Signal wire is self-provided.
Shielded wire
ground
23
0.33mm
2