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Step four: connect indoor and outdoor pipes
1. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
2.
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the union nut with hand.
3. Tighten the union nut with torque
wrench by referring to the sheet
below.
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 or front plate; connect the power connection wire and
signal control wire (only for cooling and heating unit) to the wiring terminal acco-
rding to the color; fix them with screws.
Installation of outdoor unit
front plate
blue black brown yellow-
green
Indoor unit connection
N(1) 2
3
