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Installation of outdoor unit
Step four: connect indoor and outdoor pipes
1. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
liquid
valve
2. Pretightening the union nut with
hand.
pipe joint
1. Remove the wire clip or front plate; 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.
front plate
liquid pipe
gas pipe
gas valve
union nut
3. Tighten the union nut with torque
wrench by referring to the sheet
below.
Hex nut diameter Tightening torque
Φ 6
Φ 9.52
Φ 12
Φ 16
Φ 19
L1'
S
green
white
(yellow-
(blue)
black (brown)
green)
Indoor unit connection
30
(N . m)
15~20
30~40
45~55
60~65
70~75
L2'
L2
L1
G
red
black
white
(brown)
(blue)
(yellow-
green)
L2
L1
POWER
green
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