VI-17
I
NSTALLATION
1-7. Refrigerant piping works
1) Notice & Cautions
Cautions Correct piping work Wrong piping work
The refrigerant piping should be the
same level or lower than connecting
position of piping to outdoor units.
Piping work should be run with side
direction for better uniform distribution
of refrigerant and oil like next diagram.
Outdoor joint kits should be installed in
a horizontal direction, even it is a low
pressure pipe.
When the piping length between
outdoor and branch joints is 2m or
more, a vertical trap has to be installed
like right diagram.
Less than 1m
2m or more
2m or more
200~300mm
Horizontal length = over 100mm
Minimum
100mm
06_Installation(02~45) 3/15/08 4:34 Page 17
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