Panasonic R410A Service Manual page 59

Installing the Drain Pipe
CAUTION
●
Do not apply force to the drain port when connecting the
drain pipe. Install and fix it near the indoor unit as close
as possible.
●
Do not use adhesive when connecting the drain port pipe
and the drain hose.
(1) How to Install the Drain Pipe
1) First insert the supplied hose band into the drain port
pipe. Then make sure the head of the screw is facing
toward a technical engineer when placing the screw of
the hose band at an upward angle.
2) Insert the soft PVC socket of the supplied drain hose
to the drain port pipe. Do not use adhesive when
connecting the drain hose to the drain port pipe.
Insert it until the tip of the drain hose contacts the circular
projection rib of the drain port pipe.
Drain port
(Drainage check section
on drain port, transparent)
Do not use adhesive here.
* Drain port may possibly be damaged if
PVC adhesive is used.
Do not make hose band overlap the circular projection
rib and the sealed circulation projection of the drain
port pipe. (Torque: 2.5 N·m - 3.4 N·m)
Circular projection rib
* After checking the drainage, wrap the supplied packing and drain pipe insulator around the pipe.
Hose band (supplied)
Circular
projection rib
Indoor unit
Sealed
circulation
projection
rib
Indoor unit
Sealed circulation
projection rib
Approx. 5 mm
Approx. 30 mm
1-55
3) Move the hose band so that the center position of the
hose band can be placed approx. 30 mm away from the
external plate of the indoor unit. (See the figure below.)
4) Screw the drain hose tightly facing the screw of the hose
band upward. (Torque: 2.5 N·m - 3.4 N·m) (If the screw
is tightened beneath the drain hose, the troubles will be
generated.) Pay attention not to make hose band overlap
the circular projection rib and the sealed circulation
projection of the drain port pipe.
5) Apply approx. 2 g of adhesive on both sides of the drain
hose without connection of the hard PVC socket and the
hard PVC joint (VP25) in the local supply.
6) Connect the drain hose and the hard PVC joint so that
the adhesive area of both sides can be overlapped.
Wipe off the protrusion-adhesive with a soft cloth.
Hard PVC socket
Soft PVC socket
Drain hose
(supplied)
Adhere with PVC adhesive.
* Apply approx. 2 g of adhesive on both sides of the
drain hose without connection of the hard PVC
socket and the hard PVC joint (VP25) in the local
supply. Wipe off the protrusion-adhesive with a soft
cloth.
57 mm
20 mm or more
Note:
Be sure to tightly insert the hard PVC
pipe joint (including elbow) minimum
20 mm or more.
* However, do not use the hard PVC
pipe joint allowable more than 55 mm
insertion.
Drain insulator (supplied)
Packing (supplied)
Hard PVC pipe
(VP25 field supplied)
1