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N(1) 2 3 L
L
N
N
N(1)
2 3
N
L
N
L
GB
42
Installation of outdoor unit
Step 4: connect indoor and outdoor pipes
Step 5: connect outdoor electric wire
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 color; fix them
with screws.
NOTE: The wiring board is for reference only. Please refer to the actual one.
1. Remove the screw on the right handle
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.
Hex nut diameter Tightening torque
(N.m)
ф 6 15~20
ф 9.52 30~40
ф 12 45~55
ф 16 60~65
ф 19 70~75
screw
pipe joint
union nut
liquid
valve
liquid pipe
09, 12K Heat pump type:
Indoor unit connection POWER Indoor unit connection POWER
18, 24K Heat pump type:
gas pipe
gas valve
handle
blue
blue
blue
blue
black
black
brown
brown
brown
(black)
brown
(black)
yellow-
green
yellow-
green
yellow-
green
yellow-
green
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