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2. Aim the pipe joint at the corresponding
bellmouth.
3. Pretightening the union nut with hand.
4. 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.
5. Wrap the indoor pipe and joint of connection
pipe with insulating pipe, and then wrap it with
tape.
pipe joint
union nut pipe
insulatiing 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)
Step 5: install drain hose
drain hose
outlet pipe
open-end wrench
pipe
union nut
1. Connect the drain hose to the outlet pipe of indoor unit.
