13
Step Five: Connect the Pipe of the Indoor Unit
1. Aim the pipe joint at the corresponding bell mouth.
2. Pre-tighten the union nut by hand.
3. Refer to the following table to adjust the torque
force. Place the open-end wrench on the pipe joint
and place the torque wrench on the union nut.
Tighten the union nut with the torque wrench.
4. Wrap the indoor pipe and the joint of the connection
pipe with an insulating pipe (not supplied), and then
wrap that with tape.
Step Six: Install the Drain Hose
1. Connect the drain hose to the indoor unit
’s outlet pipe.
Hex Nut Diameter
(inches / mm)
Tightening Torque
(ft/lb / N•m)
Φ
15
/
64
”
/ Φ6mm
11~14ft/lb / 15~20N•m
Φ
3
/
8
”
/
Φ9.52mm
22~30ft/lb / 30~40N•m
Φ
15
/
32
”
/
Φ12mm
33~41ft/lb / 45~55N•m
Φ
5
/
8
”
/
Φ16mm
44~48ft/lb
/ 60~65N•m
Φ
3
/
4
”
/
Φ19mm
52~55f
t/lb / 70~75N•m
