28
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
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 Cool and heat type) to the wiring terminal according to the color;
Indoor unit connectionIndoor unit connection
2 3 L1
L1
L2
L2 GN(1)
2 3N(1)
POWER
18、24K:09、12K:
2 3N(1)
L2L1
2 3N(1)
L1
L2
POWER
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