Fujitsu AJ 126LELDH Series Design & Technical Manual page 758

• Straight pipe length
A straight pipe (minimum length 0.5 m) before Separation tube is necessary in order to separate
the refrigerant exactly.
Main pipe
To indoor unit, separation tube, or header
CAUTION
• Keep the distance 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.
*: Allowed value based on "A" (center of field pipe) at 0.5 m from "B" (junction of the Separa-
tion tube).
3-3. Separation tube
0.5 m or more
A
0.5 m
0.5 m or more
B
- (06-44) -
3. Piping connection