31
N(1) 2 3
blue
black
brown
yellow-
green
Indoor unit connectionIndoor unit connection
Indoor unit connection
Installation of outdoor unit
Step four: connect indoor and outdoor pipes
1. Remove the screw on the right han-
dle of outdoor unit and then remove
the handle.
2. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
3. Pretightening the union nut with
hand.
4. Tighten the union nut with torque
wrench by referring to the sheet
below.
handle
screw
gas pipe
liquid pipe
liquid
valve
gas valve
union nut
pipe joint
Hex nut diameter
Tightening torque
(N
.
m)
Φ 6
Φ 9.52
Φ 12
Φ 16
Φ 19
30~40
45~55
60~65
70~75
15~20
1. Remove the wire clip; connect the power connection wire and signal control
wire (only for cooling and heating unit) to the wiring terminal according to the
Note: the wiring board is for reference only,please refer to the actual one
24K Cool only type:
(brown)
N(1) 2
blue
black
yellow-
green
09、12、18K Cool only type:
N(1) 2 3 4 5
blue violet orangeblack brown
yellow-
green
24K Heat pump type:
09、12K、18K Heat pump type:
N(1) 2 4 5
blue violet orangeblack
yellow-
green
Indoor unit connection
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