Haier AB142ACBBA Operation Manual - page 25
23
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
When make wiring, please keep
a distance between wires and
power supply cord.
Hint
Tread surface of the terminal well so that
shielding may not contact other part.
Cord kind
Size
Shield wire (4 core) (refer to Hint 3,4)
0.33mm
2
Wire size
5. Replace the upper part of wire controller
Hint
Be careful not to press the wiring.
1. Switch box and cord for wiring are not supplied.
2. Don't touch PCB with hand.
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
Lower part of
wire controller
A B
C D
Upper part of
wire controller
wiring from here