LG AMNH096BTG0 Manuals page 84

Multi type air conditioner
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Installation
2.5 Necessity of a trap
Since there is fear of the oil held inside the riser piping flowing back into the compressor when stopped and caus-
ing liquid compression phenomenon, or cases of deterioration of oil return, it will be necessary to provide a trap at
an appropriate place in the riser gas piping.
In case more then 5m
2.6 Y-Branch(Standard accessory)
Gas Pipe
Ø19.05
Y branch
A
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
A
• There is no limitation on the joint mounting configuration.
• If the diameter of the refrigerant piping selected by the procedures described is different from the size
of the joint, the connecting section should be cut with a pipe cutter.
• Branch pipe should be insulated with the insulator in each kit.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Ø19.05
Ø19.05
Horizontal
plane
Viewed from point A
in direction of arrow
Insulator
(included with kit)
CAUTIONS
• Capacity is based on standard length and maximum
allowance length is on the basis of reliability.
• Oil trap should be installed every 5~7 meters.
Ø9.52
A
To Outdoor Unit
To BD Unit
B
B
Within +/- 10°
Liquid and gas
Liquid and gas
pipe joints
pipe joints
- 84 -
[unit:mm]
Liquid Pipe
Ø9.52
Ø9.52
Facing upwards
Tape
(field supply)
Insulator for
field piping
LGE Internal Use Only

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