60
Installation and Maintenance
Service Manual
Left
Rear left
Right
Rear right
Cut off
the hole
Left Right
5-10
°
Φ55mm
(1) Pay attention to dust prevention and take relevant safety 
measures when opening the hole.
Fig.1
Fig.2
Fig.3
Fig.4
in the holes.
(3) Fix the wall-mounting frame on the wall with tapping screws 
and then check if the frame is firmly installed by pulling the 
frame. If the plastic expansion particle is loose, please drill 
another xing hole nearby.
3. Install Wall-mounting Frame
(1) Choose the position of piping hole according to the direction 
of outlet pipe. The position of piping hole should be a little 
lower than the wall-mounted frame.(As show in Fig.1)
4. Outlet Pipe
(1) The pipe can be led out in the direction of right, rear right, 
left or rear left.(As show in Fig.3)
(2) When selecting leading out the pipe from left or right, please 
cut off the corresponding hole on the bottom case.(As show in 
Fig.4)
(2) Open a piping  hole  with the diameter of  Φ55mm  on the 
selected outlet pipe position.In order to drain smoothly, slant 
the piping hole on the wall slightly downward to the outdoor 
side with the gradient of 5-10°.(As show in Fig.2)
Note:
Insulating pip
h
wrench
Indoor pipe
Pipe
Union nut
Union nutPipe joint
Pipe
Piping size Tightening torque(N m)
1/4 15~20
3/8 30~40
1/2 45~55
5/8 60~65
3/4 70~75
Refer to the following table for wrench moment of force
:
Fig.5 Fig.6
Fig.7
.
5. Connect the Pipe of Indoor Unit
(1) Aim the pipe joint at the corresponding bellmouth.(As show 
in Fig.5)
(2) Pretightening the union nut with hand.
(3) Adjust the torque force by referring to the following sheet. 
Place the open-end wrench on the pipe joint and place the 
torque wrench on the union nut. Tighten the union nut with 
torque wrench.(As show in Fig.6) 
(4) Wrap the indoor pipe and joint of connection pipe with 
insulating pipe, and then wrap it with tape.(As show in Fig.7)
6. Install Drain Hose
(1) Connect the drain hose to the outlet pipe of indoor unit.(As 
show in Fig.8)
(2) Bind the joint with tape.(As show in Fig.9)
.
Outlet
pipe
Drain hos
Fig.8
Wall
Wall
(Rear piping hole)
(For some models)
Space
to the
wall
above
150mm
Left
Space
to the
wall
above
150mm
Right
 the middle of it
Level meter