yellow-
green
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.
gas pipe
liquid pipe
liquid
valve
gas valve
union nut
pipe joint
Hex nut diameter Tightening torque
(N.m)
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
color; fix them with screws.
16
screw
handle
Indoor unit connection
2
3
L1
L1
L2
L2
N(1)
2
3
N(1)
18
、
24K:
(230V)
For some units
18K (230
V
):
Indoor unit connection
2
3
L
L
N
N
N(1)
2
3
N(1)
09
、
12K:
(115V)
Indoor unit connection
09
、
12K:
(230V)
2
3
N(1)
L2
L1
2
3
N(1)
L1
L2
Indoor unit connection
L2
L1 GND
GND
L1
(blue)
white
(blue)
white
red
black (brown)
(brown)
black
(yellow-
green
green)
(yellow-
green
green)
Φ
Φ
Φ
Φ
Φ
14
3 8
1 2
5 8
3 4
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
GND
GND
L1’
S L2’
G
N(1) 2
3
L2
