18
Ceiling Concealed Duct Air Conditioner
Connecting Pipes to the Outdoor Unit
Connecting Pipes to the Outdoor Unit
Align the center of the piping and sufficiently
tighten the flare nut by hand.
Checking the Drainage
Checking the Drainage
• Check the drainage.
- Spray one or two glasses of water upon the
evaporator.
- Ensure that water flows drain hose of indoor
unit without any leakage.
Connecting the pipes to the Outdoor
unit
• Remove the tubing cover from the unit by
loosening the screw.
• Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
• Finally, tighten the flare nut with torque wrench
until the wrench clicks.
- When tightening the flare nut with torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
Torque wrench
Outdoor unit
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Tubing Cover
mm
inch
kgf.m
Ø6.35
1/4
1.8~2.5
Ø9.52
3/8
3.4~4.2
Ø12.7
1/2
5.5~6.6
Ø15.88
5/8
6.3~8.2
Ø19.05
3/4
9.9~12.1
Outside diameter
Torque
Summary of Contents for B30AWYN762
Page 35: ...P No MFL62541001 ...
