Wiring Diagram Of Outdoor Unit; Connection Method Of Wiring - Haier AU96NFTAHA Service Manual

2. Wiring diagram of outdoor unit

a. Wiring connection diagram
3N, 380V
1N, 220V
1N, 220V
Power
A X
supply
B Y
unit
Central controller
Earth point for centralized control communication
link shielding layer. The shielding layers in other
positions should be connected each other, and the
shielding layers in the end should conduct insulation
treatment, so as to ensure single point earting of the
shielding layer.
L1
L2
Outdoor unit
L3
N
P Q
Earth point for indoor and outdoor
communication link shielding layer.
The shielding layers in other positions
should be connected each other, and
the shielding layers in the end shouldconduct insulation treatment, so as toensure single point earting
shielding layer.
PQ PQ
Indoor unit 1
Indoor unit 2
ABC XY ABC
ABC Remote
Remote controller
controller (master)
Two-core cable, no polarity.
Shielded wire.
Wire thickness: 1.5 mm
PQ
Indoor unit 3
(master)
XY
ABC XY
Remote controller. Three-core, with
polarity (for salve indoor unit, two-
Remote
Remote
controller
core cable should be adopted)
controller
(slave)
Wire thickness: 0.75 mm
500 mm
Centralized control
communication link.
Two-core cable, no polarity.
Shielded wire.
Wire thickness: 1.5 mm
17
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Indoor and outdoor
communication link.
, below 500 m.
2
Indoor power cord.
Three-core cable.
Wire thickness 2.00 mm .
2
Earthing wire 2.00 mm .
2
PQ
Indoor unit 4
(slave)
BC
controller
Remote
; below
2
, below 500 m.2.0 mm , below 1000 m.
2 2