Design Technical Manual

Table Of Contents
z
Branch kit restriction when install
Be sure following restriction.
1) Installation angle
A
C
B
A
B
C
C
0° to -1
0° to -1
Outdoor unit branch kit
Horizontal
To outdoor unit
To outdoor unit
or next branch kit
To RB unit or
indoor unit
Vertical
Good:
Good:
Prohibited
Prohibited Prohibited Prohibited
Prohibited
Prohibited
Prohibited
Install the outdoor unit branch kit horizontally level, within 0° to -10°, so that the refrigerant separates evenly.
Do not install the outdoor unit branch kit vertically.
2) Straight pipe length
To RB unit or
indoor unit (To
main pipe)
To RB unit or
indoor unit (To
main pipe)
To outdoor unit
To outdoor unit
To outdoor unit
To outdoor unit
To outdoor unit
2ft. (0.5m) or more
2ft. (0.5m) or more
Leave the distance 2ft. (0.5m) or more for straight part to outdoor unit branch kit.
3) For details, refer to the Installation Instruction Sheet of the outdoor unit branch kit.
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SYSTEM
DESIGN
SYSTEM
DESIGN