Drain Piping Work - Daikin Sky Air B-Series R-410A Service Manual

Si21-205

1.3.2 Drain Piping Work

(1) Carry out the drain piping.
• Make sure piping provides proper drainage.
• You can select whether to bring the drain piping our from the rear right, right, rear left, or left.
Fig. 18
Rear side (metal plate)
removable part
• When setting piping facing left, move the rubber stopper and insulation which are attached
• Make sure the pipe diameter is the same or bigger than the branch piping. (vinyl-chloride
• Make sure the piping is short, has at least a 1/100 slope, and can prevent air pockets from
Fig. 19
Good
• Be sure to use the included drain hose (1) and clamp (2).
Fig. 20
Taping area (Gray)
Fig. 21
Sealing
pad (8)
(attached)
Clamp (2)
(attached)
< Facing rear right or right >
Field Piping and Wiring
For rear right-facing and right-facing situations, refer to "1.3.1. Refrigerant Piping Work" on
page 44 for rear left-facing and left-facing situations. (Refer to Fig. 18)
to the drain pipe connection hole on the left side of the indoor unit to the right-side drain pipe
connection hole. When doing this, insert the rubber stopper all the way in to prevent a water
leakage.
piping, nominal diameter 20 mm, external diameter 26 mm)
forming. (Refer to Fig. 19)
Tilt down
Also, insert the drain hose completely into the drain socket, and securely attach the clamp
bracket inside the gray tape area on the inserted tip of the drain hose. (Refer to Fig. 20)
Screw the screws on the clamp bracket until there is 4 mm left. (Pay attention to the direction
of the attachment to prevent the clamp bracket from coming into contact with the suction
grille.) (Refer to Fig. 21)
Clamp (2) (attached)
Drain hose (1) (attached)
Rear left-facing drain piping
Left dressing board removable part
Left-facing drain piping
Wrong
Do not lift
Clamp
(attached)
Sealing pad (8)
(attached)
(Length : mm)
< Facing rear left or left >
Field Piping and Wiring
Make sure there
is no slack
Make sure it is
not in the water
Fig. 22
(2)
Wrong
47