haier AB482XCAAA AB242XCAAA - Manual (Page 32)

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2. Install wire controller
(1) For exposed installation,
use 2 wood screws (accessory).
(2) For recessed installation,
use 2 wood screws (accessory).
Note
Try as far as possible a flat surface for installation. Don't use excessive
force when tightening screws, or lower part might got deformed.
3. 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.
Cord kind
Size
Shield wire (4 core) (refer to Hint 3,4)
0.33mm2
Wire 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
Lower part of
wire controller
A B C D
Upper part of
wire controller
wiring from here
Installation Procedure