Daikin ARXC20BV1B, Installation Manual

Page: 17 / 320

1-15
English
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
fi gure. 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.
Return Air
Required space
min. 50
min. 50
min. 55
(Space for
maintenance)
(Space for
maintenance)
(Space for performance)
Air fl ow
(Indoor)
All dimensions are in mm
  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.

Mounting
plate
Claw
Mark (rear side)
Bottom frame
Front grille
4
DRAIN PIPING
• 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
leaking
Water
leaking
Water
leaking
Water
retention
Drain
Wrong Wrong Wrong Correct
End
dipped
into
water
• Remove the air fi lters and pour some water into the
drain pan to check the water fl ows smoothly.
• 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
φ
16
Extension drain hose
Heat insulation
tube (Field supply)
• 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.
φ
16
Drain hose
supplied with
the indoor unit
socket (nominal
diameter 16mm)
polyvinyl pipe
(diameter 16mm)