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Installation Manual 39
Flaring Work and Connection of Piping
ENGLISH
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.
Main gas
side valve
Main liquid
side valve
Gas side piping
Liquid
side piping
A-UNIT
B-UNIT
C-UNIT
D-UNIT
Outdoor unit(36 kBtu/h class)
Connection of piping - Outdoor
Outside diameter Torque
mm inch kgf.m(lbf.ft)
Ø6.35 1/4
1.8~2.5 (13~18)
Ø9.52 3/8
3.4~4.2 (24~30)
Ø12.7 1/2
5.5~6.6 (40~48)
(Only Indoor Units
18 kBtu/h class )
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