• Straight pipe length
A straight pipe (minimum length 2 ft [0.5 m]) before Separation tube is necessary in order to sepa-
rate the refrigerant exactly.
Main pipe
To indoor unit
To indoor unit
To indoor unit or
to separation tube or
to header
To indoor unit
To indoor unit or
to separation tube or
to header
2 ft (0.5 m)
or more
2 ft (0.5 m)
or more
CAUTION
•
Keep the distance 2 ft (0.5 m) or more for straight part to Separation tube, in order to prevent
the outdoor unit malfunction and generation of refrigerant noise.
• About the connecting curvature of field pipe and Separation tube:
The filed pipe should be connected to the Separation tube so that the curved angle on each
side is 3 degree or less.
3°
3°
A
B
2 ft (0.5 m)
0 to 1 in
(0 to 26 mm)*
0 to 1 in
(0 to 26 mm)*
*: Allowed value based on “A” (center of field pipe) at 2 ft (0.5 m) from “B” (junction of the
Separation tube
).
3-2. Separation tube - (06-43) - 3. Piping connection
SYSTEM
DESIGN
SYSTEM
DESIGN
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