Installation of outdoor unit
Step four: connect indoor and outdoor pipes
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
color; fix them with screws.
Indoor unit connection
2
3
L1
L1
L2
L2 G
N(1)
POWER
18
、
24K:
18
、
24K(for some model):
Indoor unit connection
2
3
L
L
N
N
N(1)
2
3
N(1)
POWER
09
、
12K(for some model):
Indoor unit connection
09
、
12K:
2
3
N(1)
L2
L1
2
3
N(1)
L1
L2
POWER
(blue)
white
(blue)
white
black
red
(brown)
(brown)
black
(yellow-
green
green)
(yellow-
green
green)
Indoor unit connection
2
3
L1
L1
L2
L2 G
N(1)
2
3
N(1)
POWER
1. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
2. Pretightening 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
4
5~55
60~65
70~75
15~20
lock nut
Finish
conduit
