Airwell YCV280, Installation And Maintenance Instructions Manual

Page: 74 / 412

The gradient of the condensate water pipe shall keep over 1/100. The condensate water pipe shall be
thermal insulated.
Indoor unit
Air return louver
Rivet
Air return duct
Fig. 2 Connection of air return duct
Installation of indoor unit duct
A. Installation of air sending duct
This unit uses rectangle duct, the diameter
of the duct is less than air outlet.
B. Installation of air return duct
Use rivet to connect the air return duct on the air return
inlet of the indoor unit, then connect the other end with
the air return blind. As Fig. 2 shown.
C. Thermal insulation of duct
Air-sending duct and air return duct shall be thermally insulated. First stick the gluey nail on the
duct, then attach the heat preservation cotton with a layer of tinfoil paper and use the gluey nail
cap to fix. Finally use the tinfoil adhesive tape to seal the connected part. As Fig. 3 shown.
Air outlet
Air return duct
Air return louver
Suspending
hook
Drain pipe
Transition
duct
Air out
duct
Zincification
board
Fig. 3
gluey
nail
gluey
nail cap adhesive tape
tinfoil
heat pre-
servation
cotton
Note:
(1)The air sending/return duct should be heat insulated properly.
(2)Forbidden to get air return directly from the ceiling.
(3)Air return must in indoor, not allowed in the corridor.
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