70
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 opened wrench on
the pipe joint and place the torque wrench on
the union nut. Tighten the union nut with torque
wrench.
4. Wrap the indoor pipe and joint of connection
pipe with insulating pipe, and then wrap it with
tape.
Step 4:outlet pipe
1. The pipe can be led out in the
direction of right, rear right, left
or rear left
2. When select leading out the pipe
from left or right, please cut off the
corresponding hole on the bottom case.
left
rear left
right
rear right
cut off
the hole
left
right
pipe joint
union nut pipe
Φ 6.35 (1/4”)
Φ 9.52 (3/8”)
Φ 12.70 (1/2”)
Ti
ghtening torque (N.m)
Φ 15.88 (5/8”)
29.4 (3.0kg.m)
49.0 (5.0kg.m)
73.6 (7.5kg.m)
15.7 (1.6kg.m)
Isolating pipe
open-end wrench
pipe
union nut