Installation Of Indoor Unit - Gree GWH09QB-K6DNA1E Service Manual

8.5 Installation of Indoor Unit

1. Choosing Installation Iocation
Recommend the installation location to the client and then
confirm it with the client.
2. Install Wall-mounting Frame
(1) Hang the wall-mounting frame on the wall; adjust it in
horizontal position with the level meter and then point out the
screw fixing holes on the wall.
(2) Drill the screw fixing holes on the wall with impact drill (the
specification of drill head should be the same as the plastic
expansion particle) and then fill the plastic expansion particles
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 Φ55/70mm 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)
100
Wall
Space
to the
above
150mm
Right
(Rear piping hole)
Fig.1
Outdoor
Φ55/70mm
Fig.2
Fig.3
Left
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
wall
insulating pipe, and then wrap it with tape.(As show in Fig.7)
Pipe joint
Refer to the following table for wrench moment of force:
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)
Right
Right
Cut off
the hole
Pipe
Union nut
Torque wrench
Fig.5 Indoor pipe
Insulating pipe
Tightening torque(N . m)
Piping size
Φ1/4
Φ3/8
Φ1/2
Φ5/8
Φ3/4
Installation and Maintenance
Service Manual
Rear left
Fig.4
Open-end
wrench
Union nut
Pipe
Fig.6
Fig.7
15~20
30~40
45~55
60~65
70~75