Installing Heat Insulation; Installing Drain Pipes - AirStage ARXC72GATH Installationsanleitung

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).
• There should be no gaps between the insulation and the product.
Cable tie (Large)
No gap
(Accessories)
insulation (Large)
No gap
insulation (Small)
Cable tie (Large)
(Accessories)

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
Safety drain port
40 mm
403 mm
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.
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Coupler heat
(Accessories)
Coupler heat
(Accessories)
200 mm
427 mm
Drain port
O.D.
32 mm (VP25)
Drain hose
For main drain port
(Large)
Drain hose
For safety drain port
(Small)
Ensure there is no space
Drain pan
10 to 15 mm
Applying
area of
Hard PVC side
adhesive
4 mm or less
Wrap the Drain hose insulation around the drain hose connection.
Drain hose insulation
(Accessories)
Drain pan
100mm
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.
Trap
Accessories
Hose band Drain hose
(Large) insulation
Hose band Drain hose
(Small) insulation
Hose Band
(Accessories)
Soft PVC side
Drain hose
(Accessories)
Joint pipe
(Field supply)
Drain pipe (VP25)
(Field supply)
Drain hose
Downward gradient
2.5 to 5.0 mm
Prohibited
Unit
H1=100 mm (Approx.)
H2=50 to 100 mm
Drain pipe
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7/12/2012 11:09:12 AM 7/12/2012 11:09:12 AM