Drain Piping - Daikin Quaternity FTXG09HVJU Service Manual

SiUS04-921
Indoor Unit Installation
7.

Drain piping.

1) Connect the drain hose, as described right.
2) Remove the air filters and pour some water into the drain pan to check the water
flows smoothly.
3) When drain hose requires extension, obtain an extension hose commercially
available.
Be sure to thermally insulate the indoor section of the extension hose.
4) When connecting a rigid polyvinyl chloride pipe
(nominal diameter 1/2 inch (13mm) directly to the
drain hose attached to the indoor unit as with
embedded piping work, use any commercially
available drain socket (nominal diameter 1/2 inch
(13mm) as a joint.
8.
Improving installation strength.
• We recommend screwing the indoor unit onto a
mounting plate in order to improve the
A
installation strength.
1) Remove the front grille.
2) Screw in the indoor unit with
3) Attach the front grille.
10
System Configuration
Drain hose supplied with
the indoor unit
Screw position
Front diagram
fixing screws.
D
Indoor unit
Indoor unit
drain hose
Heat insulation tube
(Field supply)
Commercially available drain
socket
(nominal diameter 1/2 inch
(13mm))
Enlarged diagram
Shape of
rear side of
indoor unit
A Mounting plate
Screw position
Installation Manual
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end
of the hose in water.
Extension drain hose
Commercially available rigid
polyvinyl chloride pipe
(nominal diameter 1/2 inch
(13mm))
Mounting plate
A
Piping
Wall
Screw in
Fixing screw
D
3/16" × 1/2"L (M4 × 12mm)
61