L1 L2
L1 L2
N(1)
POWER
black
(brown)
(blue)
(blue)
(yellow-
green)
(brown)
black
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.
12
18 24K:
Indoor unit connection
09 12K:
1. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
2. Pretighten 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
lock nut
Finish
conduit
white
white
red
green
(yellow-
green)
green
Indoor unit connection
23 L1
L1
L2
L2 GN(1)
23N(1)
POWER
black
(brown)
white(blue)
green(yellow-green)
(blue)
white
black
red
(brown)
(yellow-
green
green)
07
Hex nut diameter
Tightening torque
(N
.
m)
1/4''
3/8''
1/2''
5/8''
3/4''
30~40
45~55
60~65
70~75
15~20
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