Drain Installation - Fujitsu ARXG-KLLAP Series Installation Manual

3.3.4. Fix the unit
(1) Hang the unit
Hanger bolt
Nut A
(Locally purchased)
Washer
(accessories)
Nut B
(Locally purchased)
Nut A
(Locally purchased)
Washer
(accessories)
Nut B
(Locally purchased)
* It might become diffi cult to open and shut the Cover /control box cover when the length
exceeds 20mm.
(2) Leveling
Base horizontal direction leveling on top of the unit.
OK
Air
OK
• Leave a space of 100 mm or more between the inlet port and the ceiling.
• Fasten the unit securely with Special nuts A and B.
Hanger
Hanger bolt
Hanger
Unit
20mm
length
Cover
Ceiling
Level
PROHIBITED
Level
PROHIBITED
CAUTION

3.4. Drain installation

3.4.1. Installing drain pipes
• Do not insert the drain piping into the sewer where sulfurous gas occurs. (Heat ex-
change erosion may occur)
• Insulate the parts properly so that water will not drip from the connection parts.
• Check for proper drainage after the construction by using the visible portion of trans-
parent drain port and the drain piping fi nal outlet on the body.
Do not apply adhesive agent on the drain port of the body.
(Use the attached drain hose and connect the drain piping)
■ When drain pump is used
• Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm].
• Do not perform a rise, trap and air bleeding.
• Provide a downward gradient (1/100 or more).
• Provide supporters when long pipes are installed.
• Use an insulation material as needed, to prevent the pipes from freezing.
• Install the pipes in a way that allows for the removal of the control box.
GOOD
Locally arranged pipe
Max. 300 mm
Horizontal or
upward gradient
PROHIBITED
Observe the following procedures to construct centralized drain pipe fi ttings.
VP30 or more [O.D 38 mm or more]
700 mm or less
■ When drain pump is not used (natural drainage)
Set "Drainage function setting (DIP switch 101-1)" in "5.3. DIP switch 101 setting"
If the drain pump is not used, please replace with the drain cap.
• Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm].
• Do not perform a rise, trap and air bleeding.
WARNING
CAUTION
Gap of 1.5 to 2 m
Supporter
VP25 [O.D
32 mm or more]
700 mm or
less
Rise
Air bleeding
Trap
Downward gradient 1/100 or more
CAUTION
En-7