Fujitsu ARXG-KLLAP Series Installation Manual page 8

• 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
100 mm or more
Locally arranged pipe
PROHIBITED
Observe the following procedures to construct centralized drain pipe fi ttings.
VP30 or more
[O.D 38 mm or more]
3.4.2. Installing the drain hose (accsessory) and drain pipe (locally purchased)
(1) Be sure to use supplied Drain hose and Hose band
Hose band (accessory)
Drain
hole
20 mm
Drain hose
Fasten the Hose band at the position where
horizontal against ground.
The Hose band must be positioned at the right
side of the Drain hose as in the fi gure.
En-8
Gap of 1.5 to 2 m
Downward gradient
2.5-5.0 mm
Supporter
VP25 [O.D 32 mm
or more]
Air bleeding
Trap
Rise
Downward gradient
1/100 or more
Drain hose (accessory)
Hard PVC side
Hose band
4 mm or less
Hose band
(2) Be sure to connect Drain pipe with adhesive (polyvinyl chloride) so that there is no
leakage.
Do not connect to the Drain hole with adhesive. Using adhesive may cause damage
and water leaks.
(3) After installing the Drain hose, check if the drainage is smooth.
To prevent excessive force on Drain hose, avoid bends or twists. (To bend or twist
may cause water leaks.)
(4) After checking for drainage, attach the Drain hose insulation B to insulate, following
the instructions as in the fi gures.
To avoid space with Drain hose and Hose band, press fi rmly the Drain hose insulation B.
Ensure there is
no space.
• STEP 1 to STEP 3
Butt the insulation
against the unit.
Press fi rmly
Press fi rmly
Roll the
insulation
over the joint.
• FINISH
Check that there is no gap between the unit and the drain hose insulation.
Applying
Joint pipe
area of
(Locally purchased)
adhesive
Drain pipe (VP25)
(Locally purchased)
4 mm or less
CAUTION
CAUTION
Drain hose
insulation B
(accessory)
Unit
Slit
STEP 1
Press fi rmly
Slit
Press fi rmly
STEP 2
Slit
Press fi rmly
STEP 3