Gree GVH24AK-K3DNC6A Owner's Manual page 31

Precautions of Installation
1. The flexible pipe should be applied in the indoor
side.
2. The bended angel shall not exceed 90°.
3. The bended part shall be located in the pipe
center. Bigger bended radius will be better.
4. Do not bend the flexible pipe for more than three
times.
● Situation of bending thinwalled pipe:
1. When bending the pipe, cut off the needed rec-
ess at the bended part of insulation pipe and
then expose the pipe (wrap it with sealing tape
after bending).
2. The pipe bended radius should be big in order to
avoid damage.
3. Use pipe bender for the compact pipe bending.
● Adopt cooper pipe sold in the market:
The cut-off valve of outdoor unit shall be closed completely. After the connection
is connected with the indoor unit and outdoor unit, perform discharge from the
maintenance port of low pressure cut-off valve at outdoor unit. After discharging,
screw up the nut at maintenance port.
The valve rod of outdoor cut-off valve should be opened completely to ensure
smoothness of connection pipe between indoor unit and outdoor unit.
electric coil (prevent water from
getting into the electric box)
watertight bend (prevent rain from
getting into the indoor side)
seal the wall hole with sealing gum
oil return bend
Note:
When the outdoor unit is installed
higher than the indoor unit, an oil
return bend must be adopted.
29
bend the pipe with your thumb
minimum radius
is 100mm
method of
unbinding
coil make
the pipe
end straight