Installing Heat Insulation; Installing Drain Pipes - Fujitsu AIRSTAGE ARXC036GTEH Installation Manual

4.4. Installing heat insulation

Install the coupler heat insulation after completing the refrigerant leak check (for details,
refer to the Installation Manual for the outdoor unit).
Coupler heat
insulation
(Accessories)
Cable tie (Large)
(Accessories)
There should be no gaps between the insulation and the product.

5. INSTALLING DRAIN PIPES

• Use general hard polyvinyl chloride pipe (VP25) and connect it with adhesive (polyvinyl
chloride) so that there is no leakage.
• The position of the installed drain pipe should have a downward gradient of 1/100 or
more.
• To prevent the pipe from freezing, use a heat insulation material as needed.
Position of drain piping
139 mm
123 mm
41 mm
Main drain port
Drain pipe
• For main drain port
• For safety drain port
• This product has drain ports in 2 locations. Follow the procedure in the fi gure to connect
drain hose and drain pipes to each of them.
Install the drain hose to the main and safety drain port
Working procedure
(1) Install the attached drain hose to the main and safety drain port of the body. Install
the hose band from the top of the hose within the graphic display area. Secure fi rmly
with the hose band.
(2) Use vinyl adhesive agent to glue the drain piping (PVC pipe VP25) which is prepared
on site or piping socket. (Apply color adhesive agent evenly until the gauge line and
seal)
(3) Check the drainage.
(4) Install the heat insulation.
(5) Use the attached heat insulation to insulate the drain port and band parts of the body.
Drain pan
En-5
Cover this portion with
heat insulation.
Heat insulation
CAUTION
Safety drain port
O.D.
32 mm (VP25)
Ensure there is no space
Hose band
(Accessories)
Soft PVC side
Drain hose
(Accessories)
10 to 15 mm
Hard PVC side
Wrap the drain hose insulation around the drain hose connection.
Drain pan
Hose opening view
Wind the attached heat insulation
around the hose band. Make sure the
alignment is on top.
After installing the Drain hose, check if the drainage is smooth.
GOOD
Install the drain pipe
(1) Main drain
On the main drain, provide 1 trap near the indoor unit.
Unit
Trap
(2) Safety drain
There is no need to provide a trap for the safety drain.
If the safety drain is connected to the main drain, make the connection below the main
trap.
Drain pipe (Safety)
• Make sure that drain pipe is installed without rises.
• Do not perform air bleeding.
Applying
area of
Joint pipe
adhesive
(locally purchased)
Drain pipe (VP25)
(locally purchased)
4 mm or less
Drain hose insulation
(Accessories)
Drain hose
100mm
Downward gradient
2.5-5.0mm
PROHIBITED
H = 100 mm (Approx.)
1
H = 50 to 100 mm
2
Drain pipe (Main)
Unit
Drain pipe (Main)