Arxk***Glfh Model; Install The Drain Pipe - Fujitsu AIRSTAGE ARXK007GLFH Installation Manual

5.1.2. When drain pump is not used (Natural drainage)
CAUTION
Set "7.5. Switching of drainage func-
tion". Otherwise it will cause water
leakage.
Move the position of the drain cap.
Follow the procedure of drain piping in

"5.2. ARXK***GLFH model".

5.2. ARXK***GLFH model
When using the drain
port on the left side
of the unit, remove
Unit
the drain cap and
install it to the right
side drain port.
• 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
100 mm
Drain hose (accessories)
or more
Locally arranged pipe
PROHIBITED
Observe the following procedures to construct centralized drain pipe fittings.
VP30 or more [O.D 38 mm or more]
Downward gradient 1/100 or more

5.3. Install the drain pipe

Be sure to fix the drain hose to the drain port with the hose band. Do not apply glue to
the drain port. Otherwise it will cause water leakage.
(1) Be sure to use
supplied drain
hose (a) and hose
Drain port
band (b).
Hose band
4 mm or less
20 mm
En-7
Drain cap
Downward gradient Gap of 1.5 to 2 m
2.5 to 5.0 mm
Supporter
VP25 [O.D 32 mm
or more]
Air
bleeding
Trap
Rise
Drain hose is not used
CAUTION
(b) Hose band (accessories)
(a) Drain hose (accessories)
(a) Drain hose
Fasten the hose band (b) at the position where
horizontal against ground.
The hose band (b) must be positioned at the right
side of the drain hose (a) as in the figure.
(2) Be sure to connect
Drain pipe with adhe-
sive (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 (a), check if the drainage is smooth.
To prevent excessive force on drain hose (a), avoid bends or twists. (To bend or twist
may cause water leaks.)
(4) After checking for
drainage, attach
the drain hose
insulation B (c) to
insulate, following the
instructions as in the
figures.
To avoid space with
drain hose (a) and
hose band (b), press
firmly the drain hose
insulation B (c).
• STEP1 - STEP3
Press firmly
(5) Finish
Check that there is no gap between the unit and the drain hose insulation.
• When drain pump is used.
Hard PVC side
(b) Hose band
CAUTION
CAUTION
Ensure there
is no space.
Butt the insulation
against the unit.
STEP 1
Press firmly
Press firmly
Slit
Press firmly
Roll the in-
sulation over
the joint.
STEP 2
• When drain pump is not used. (Natural
drainage)
Do not cover the
panel window.
Applying
area of Joint pipe (lo-
adhesive cally purchased)
Drain pipe (VP25)
(locally purchased)
4 mm or less
(c) Drain hose insulation B
(accessories)
Unit
Slit
Slit
Press firmly
STEP 3
Do not cover the
control box cover.