Drain Piping - Daikin Siesta ATXC20BV1B Manuel D'installation

The indoor unit must be installed in such a way so as to prevent short circuit of the cool discharged air with the
hot return air. Please follow the installation clearance shown in the figure. Do not place the indoor unit where
there could be direct sunlight shining on it. Also, this location must be suitable for piping and drainage, and be
away from doors or windows.
 How to attach the indoor unit 
Hook the claws of the bottom frame to
the mounting plate.

 How to remove the indoor unit. 
Push up the marked area
(at the lower part of the front grille)
to release the claws.
4
• Connect the drain hose, as described
below.
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end of
the hose in water.
• Water Drainage
Water Water
leaking leaking
Correct Wrong Wrong
• Remove the air filters and pour some water into the
drain pan to check the water flows smoothly.
Return Air
Air flow
(Indoor)
min. 50
Required space
(Space for
maintenance)

DRAIN PIPING

Water
retention
End
dipped
Water
into
leaking
water
Drain
Wrong
min. 50
(Space for
maintenance)
All dimensions are in mm
Bottom frame
Front grille
• When drain hose requires extension, obtain an
extension hose commercially available. Be sure to
thermally insulate the indoor section of the extension
hose.
Indoor unit
drain hose
• When connecting a rigid polyvinyl chloride pipe
(nominal diameter 16mm) directly to the drain hose
attached to the indoor unit as with embedded piping
work, use any commercially available drain socket
(nominal diameter 16mm) as a joint.
φ16
Drain hose
socket (nominal
supplied with
diameter 16mm)
the indoor unit
1-15
 Mounting
plate
Claw
Mark (rear side)
Extension drain hose
Heat insulation
tube (Field supply)
polyvinyl pipe
(diameter 16mm)