
Indoor unit connection
POWER
N(1)
2
3
L
L
N
N
blue
blue
black brown
yellow-
green
yellow-
green
brown
(black)
Indoor unit connection
POWER
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.
Note: the wiring board is for reference only, please refer to the actual one.
N(1)
2
3
blue
blue
black
yellow-
green
yellow-
green
09, 12K:
18, 24K:
brown
brown
(black)
N
L
N
L
Installation of outdoor unit
Step four: connect indoor and outdoor pipes
Step five: connect outdoor electric wire
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 bell mouth of
pipe.
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
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
3. Pretighten the union nut with
hand.
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Step six: neaten the pipes
1. The pipes should be placed along the wall,
bent reasonably and hidden possibly. Min.
semidiameter of bending the pipe is 10cm.
2. If the outdoor unit is higher than the wall
hole, you must set a U-shaped curve in the
pipe before pipe goes into the room, in
order to prevent rain from getting into the
room.
● The through-wall height of drain hose
shouldn't be higher than the outlet
pipe hole of indoor unit.
● Slant the drain hose slightly dow-
nwards. The drain hose can't be
curved, raised and fluctuant, etc.
● The water outlet can't be placed
in water in order to drain smoothly.
Installation of outdoor unit
U-shaped curve
Wall
Drain hose
The drain hose
can't raise
upwards.
The drain hose can't be fluctuant
The drain hose
can't be fluctuant
The water
outlet can't be
fluctuant
The water outlet
can't be placed
in water
Note:
2. Fix the power connection wire and signal control wire with wire clip (only for
cooling and heating unit).
Note:
● Never cut the power connection wir
e to prolong or shorten the distance.
● After tighten the screw, pull the power cord slightly to check if it is firm.
● Never cut the power connection wir
e to prolong or shorten the distance.
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