14 Room Air Conditioner
Flaring Work Piping Connection
❈
When piping installation work, following
indoor units must be used the connector
which is in each indoor unit.
Align the center of the piping and sufficiently
tighten the flare nut by hand.
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
following the arrow on the wrench.
A-UNIT
B-UNIT
C-UNIT
Gas side piping
Liquid side piping
Torque wrench
Outdoor unit
Connection of piping - Outdoor
Outside diameter
Torque
mm
inch
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Indoor Capacity
(Btu/h)
24K
Liguid Side
Ø6.35
→
Ø9.52
Gas Side
Ø12.7
→
Ø15.88
