36
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.
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; connect the power connection wire and signal control
wire (only for cooling and heating unit) to the wiring terminal according to the
gas pipe
liquid pipe
liquid valve
gas valve
Indoor unit connection
N(1) 2
3
green
blue black brown yellow-
POWER
Indoor unit connection
L
N
N(1)
2
3
N L
blue
brown
(black)
black brown green
blue
yellow-
yellow-
green
18K:
09K
、
12K:
