19
2. Open a piping hole with the diameter of Φ55/Φ70 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°.
Indoor
Outdoor
5~10°
Φ55/Φ70
Note:
● Pay attention to dust prevention and take relevant safety
measures when opening the hole.
● The plastic expansion particles are not provided and
should be bought locally.
Step 4: Outlet pipe
1. The pipe can be led out in the direction of
right, rear right or left.
left
right
rear right
2
.
When select leading out the pipe from
left or right, please cut off the corresponding
hole on the bottom case.
Step 5:
Connect the pipe of indoor unit
1. Aim the pipe joint at the corresponding bellmouth.
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.
union nut
pipe joint
pipe
cut off the hole
insulating pipe
torque wrench
open-end
wrench
indoor pipe
pipe
union nut
Hex nut diameter
Tightening torque (N
.
m)
Φ 6
15~20
Φ 9.52
30~40
Φ 12
45~55
Φ 16
60~65
Φ 19
70~75
4.Wrap the indoor pipe and joint of connection pipe
with insulating pipe, and then wrap it with tape.
Installation of indoor unit