Piping Method - Fujitsu AJ*A72LALH Series Installation Manual

Main pipe
To indoor unit
Main pipe
To indoor unit
• Do not connect a separation tube after a header.
• Leave the distance 0.5 m or more for straight part to branch tube and header.
• For details, refer to the Installation Instruction Sheet of each part.
5. 3.

Piping method

5. 3. 1. Opening the knockout hole
• Be careful to prevent panel deformed or damaged while opening the knockout hole.
• To prevent cutting of the wiring after the knockout hole was opened, remove the burrs along the edge.
• In addition, to prevent rusting, painting the edge with rust preventive paint is recommended.
The piping can be connected from 2 directions; the front or the bottom.
(Knockout holes are provided so that the piping can be connected from 2 different directions.)
Use the front knockout hole, as required.
Fig. A Knockout position
En-14
0.5m or more Separation tube
or
Header
0.5m or more
To indoor unit
Fig. B Detail of knockout po-
sition (bottom)
CAUTION
0.5m or more
To indoor
unit
0.5m or more
CAUTION
Fig.
(front)
(Unit: mm)
Knockout hole
Separation tube
To indoor
unit
or
Header
To indoor unit
C Detail of knockout position
(Unit: mm)
Knockout
hole