21
Installation Manual
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
insulating pipe
torque wrench
open-end
wrench
indoor pipe
pipe
union nut
Hex nut diameter
Tightening torque (N·m)
Ф 6
15~20
Ф 9.52
30~40
Ф 12
45~55
Ф 16
60~65
Ф 19
70~75
4. Wrap the indoor pipe and joint of connection pipe with insulating pipe,
and then wrap it with tape.
Step 6: Install drain hose
1. Connect the drain hose to the outlet pipe of indoor unit.
2. Bind the joint with tape.
drain hose
tape
outlet pipe
drain hose
insulating pipe
Note:
● Add insulating pipe in the indoor drain hose in order to prevent condensation.
● The plastic expansion particles are not provided.
outlet
pipe
drain hose