Gree GWH09AGA-K6DA1A Service Manual page 63

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 fixing 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)
Wall
Space
to the
wall
above
150mm
Left
(Rear piping hole)
(For some models)
(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)
Indoor
°
5-10
Note:
(1) Pay attention to dust prevention and take relevant safety
measures when opening the hole.
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)
Fig.3
Right
60
Wall
Space
to the
wall
above
150mm
Right
(Rear piping hole)
Fig.1
Outdoor
Φ55mm
Fig.2
Rear left
Left
Cut off
the hole
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)
Pipe
Pipe joint Union nut
Fig.5
Refer to the following table for wrench moment of force:
Piping size
1/4
3/8
1/2
5/8
3/4
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)
Fig.8
Service Manual
Right
Fig.4
Union nut
Torque wrench
Fig.6
Indoor pipe
Fig.7
Insulating pipe
.
Tightening torque(N m)
15~20
30~40
45~55
60~65
70~75
.
Drain hose
Outlet
pipe
Installation and Maintenance
Open-end
wrench
Pipe