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42
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
ENGLISH
Pipe Connection Method/Precautions for
Series connections between Outdoor units
- Separate Y branch joints are needed for series connections between outdoor units.
- Please refer to the below connection examples to install pipe connections between outdoor
units.
- If the distance between the outdoor units becomes more than 2m, apply Oil Traps between the
gas pipes.
- If the outdoor unit is located lower than the main pipe, apply Oil Trap.
Pipe connection between outdoor units (General Case)
The maximum pipe
length after the first
branching between the
outdoor units is
10m(33ft) or less
Pipes between outdoor units are 2m(6.6ft)
or less
Examples of Wrong Pipe Connections
2m(6.6ft) or less
Pipes between outdoor units are 2m(6.6ft)
or longer
Oil Trap
Oil Trap Oil Trap
2m(6.6ft) or less
2m(6.6ft) or less
2m(6.6ft) or less
0.2m(6.6ft) or more
2m(6.6ft) or longer
2m(6.6ft) or longer
2m(6.6ft) or longer
If the main pipe is
higher than the
outdoor units, oil is
accumulated in the
outdoor unit.
If there are differences in the height
between the outdoor units, oil is
accumulated in the lower outdoor unit.
Oil Trap
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