LG TM-1830C2L Svc Manual page 27

(3) Connecting Pipings and the cable to Outdoor unit
1) Connecting the pipings to the Outdoor
unit
1. Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
2. 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.
Pipe Size
Liquid Side (1/4")
Gas Side (3/8")
Gas Side (1/2")
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Only for training and service purposes
Torque
1.8kg m(13ft lbs)
4.2kg m(30.3ft lbs)
5.5kg m(39.8ft lbs)
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Outdoor unit
Torque wrench
A-UNIT
Gas side piping
B-UNIT
Liquid side piping
LGE Internal Use Only