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.
screw
handle
2.Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe.
| liquid pipe |
liquid | gas pipe |
valve |
|
| gas valve |
3.Pretightening the union nut with hand.
pipe joint
union nut
4.Tighten the union nut with torque wrench by referring to the sheet below.
Hex nut diameter | Tightening torque |
| (N.m) |
ĭ | 15~20 |
ĭ | 30~40 |
ĭ | 40~55 |
ĭ | 60~65 |
ĭ | 70~75 |
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1.Remove the wire clip; connect the power connection wire and signal control wire (only for Heat pump type) to the wiring terminal according to the color; fix them with screws.
18、24K Heat pump type:
N(1) 2 3 L N
yellow- green
blue black brown
brown yellow- (black) blue green
L N
Indoor unit connection POWER
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