Airwell YCV280, Installation And Maintenance Instructions Manual

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ceiling
air inlet hole
(with filter)
air inlet duct
(purchased locally)
checking hole
discharging hole
(purchased locally)
discharging duct
(purchased locally)
heat insulation
main unit
Good example Bad example Bad example
piping side
Air inlet from side plate or from air return duct
air inlet from side
air return in the middle
of air return duct
piping side
Discharging from side plate (combined with air return duct)
not air return from this inlet
discharging air
air return in the middle
of air return duct
(c) Duct must be heat insulated to avoid causing dew.
(a) fresh air inlet (from single side)
(b) discharging duct
(8) Connection of air return duct and discharging duct
(7) Installation of air return duct and discharging duct
Please consult the after-sales service worker of Haier Air Conditioner for the choosing and installation
of air inlet, air inlet duct, discharging outlet and discharging duct. Calculating the design drawing
and outer static pressure, and choose the discharging duct with proper length and shape.
The length difference among every duct is limited below 2:1.
Reduce the length of duct as possible as can.
Reduce the amount of bend as possible as can.
Use heat insulation material to wrap the flange part between main unit and air
discharging duct. Perform duct installation before the ceiling decoration.
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