37
Installation and Maintenance
Service Manual
gas pipe
Liquid pipe
Liquid
valve
gas valve
Union nut
Pipe joint
Foot holes
Foot holes
3. Fix Outdoor Unit
(1) Place the outdoor unit on the support.
(2) Fix the foot holes of outdoor unit with bolts.
(As show in Fig.18)
4. Connect Indoor and Outdoor Pipes
(1) Remove the screw on the right handle of outdoor unit and
then remove the valve cover.(As show in Fig.19)
(2) Remove the screw cap of valve and aim the pipe joint at the
bellmouth of pipe.(As show in Fig.20)
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Fig.18
Fig.20
Fig.19
5. Connect Outdoor Electric Wire
(1) Remove the valve cover.
(2) Remove the wire clip; connect the power connection wire
and power cord to the wiring terminal according to the color; fix
them with screws.(As show in Fig.21)
Hex nut diameter
Tightening torque(N m)
Φ6
15~20
Φ9.52
30~40
Φ12
45~55
Φ16
60~65
Φ19
70~75
Refer to the following table for wrench moment of force
:
Fig.21
.
(1) After tightening the screw, pull the power cord slightly to
check if it is firm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
(1) The through-wall height of drain hose shouldnt be higher
than the outlet pipe hole of indoor unit.(As show in Fig.23)
(2) Slant the drain hose slightly downwards. The drain hose
can't be curved, raised and fluctuant, etc.(As show in Fig.24)
(3) The water outlet can't be placed in water in order to drain
smoothly.(As show in Fig.25)
Note:
Note:
6. 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.(As show in
Fig.22)
(2) Fix the power connection wire and power cord with wire clip.
Fig.22
Fig.23
Fig.24
Fig.25
U-shaped curve
Wall
Drain hose
Fig.17
Chassis
Outdoor drain joint
Drain hose
Drain vent
N(1) 2 3
;7
N
L
blue black
blue
brown
N L
Indoor unit connection
handle
yellow-
green
yellow-
green
POWER
brown
(black)
Note: the wiring board is for reference only, please refer to the
actual one.
The drain hos
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
Valve Cover
18K:
N(1) 2 3
L
N
blue black
blue
brown
L
N
Indoor unit connection
POWER
yellow-
green
brown
(black)
yellow-
green
9/12K
