Haier AU422XIBAA Service Manual page 27

Wiring diagram:
Block terminals
for indoor unit
Block terminals
for outdoor unit
(different outdoor
unit have different block terminals)
Note:
When connecting indoor and outdoor wire, check the number on indoor and outdoor terminal
blocks. Terminals of same number and same color shall be connected by the same wire.
Incorrect wiring may damage air conditioner's control or cause operation failure.
Others
1.Power supply requirements:
Voltage: single-phase1PH,220-230V*,50Hz
Dedicated electrical cable should be installed by a qualified technician in
accordance with the state regulation for electrical engineering.
The power source must be grounded.
A circuit breaker must be installed
Electrical cables should be connected by ìYî method. Damaged or wornelectrical cable
must be replaced by authorized after sales agents.
The power plug should be connected as follows: L for live line, N for neutral line and
fo grounding.
r
Connection parameters: H05RN-F 3G(1.0-1.5)mm
Signal parameters:
Cables for power supply, connection and signals are prepared by the owner.
2.Piping cutting and flaring
Be sure to carry out deburring after cutting with a pipe cutter.
Insert flaring tool to make a flare.
A
Correct
N L
C1 C2
W B Y/G R R
L
N
W B
Y/G
H05RN-F2X(0.75-1.5)mm (Shieded wire)
Flare tooling die
Liquid pipe
Gas pipe
Lean Damage of flare
NOTE:
W:WHITE
B:BLACK
C1 C2
Y/G:YELLOW/GREEN
R:RED
R R
Pipe diameter
6.35mm(1/4")
12.7mm(1/2")
Incorrect
Crack Partial
Size A (mm)
0.8 ~1.5
1.2 ~2.0
Too outside