Heat Controller B-MMC09FA-1 Service Manual page 30

Flaring Work and Connection of Piping
Outdoor
Align the center of the pipings 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 follows the arrow on the wrench.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
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Only for training and service purposes
Torque
kg . m
lbf.in
1.8 156.2
4.2 364.5
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Outdoor unit
Torque wrench
A-UNIT
Gas side piping
B-UNIT
Liquid side piping
LGE Internal Use Only