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Flaring Work and Connection of Piping
Connection of piping - Outdoor
Align the center of the piping and sufficiently
tighten the flare nut by hand.
Connecting pipe order
1) A~D-UNIT gas side pipe
2) A~D-UNIT liquid side pipe
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.
Outside diameter
mm
inch
Ø6.35
1/4
Ø9.52
3/8
Ø12.7
1/2
36 Multi Air Conditioner
Outdoor unit(24/36 kBtu/h class)
Liquid
side piping
Torque
kgf.m(lbf.ft)
1.8~2.5 (13~18)
3.4~4.2 (24~30)
5.5~6.6 (40~48)
Outdoor
(Only Indoor Units
18 kBtu/h class )
Gas side piping
A-UNIT
B-UNIT
C-UNIT
D-UNIT
Main gas
side valve
Main liquid
side valve
unit(18 kBtu/h class)
A-Unit
Gas pipe
B-Unit
Liquid pipe
Torque wrench
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