Design Technical Manual

Table Of Contents
Unit : in. (mm)
10. LOCALLY PURCHASED PARTS
10-1. AIR DISCHARGE DUCT
PRECAUTION
All components such as the duct, support framework and misc. screws and hardware to be
locally purchased.
Do not install the duct where prevailing wind will blow directly into it.
Configure installation so that static pressure loss of duct, louvers etc will not exceed 0.32in.
WG (80Pa)
Allow sufficient space for combined height of duct and unit
Installation conditions may require that the duct is attached before the unit is installed
Unit noise levels may increase with duct installed
DUCT LAYOUT EXAMPLE
Model
Dimension C
(Minimum) (Maximum)
AOUA72TLBV
33-15/16 (862) 36-9/16 (928)
AOUA96TLBV
AOUA120TLBV 46-1/8 (1172) 48-3/4 (1238)
19-11/16
(500)
19-11/16 (500)
4-1/2 (114)
62-1/16 (1576)
Chamfer or round radius corner
Caution
The height A of the duct opening should be 19-11/16in (500mm) or greater
The height B of the duct opening should be 19-11/16in (500mm) or greater excluding the duct
flange
Provide chamfer or round radius corner
Duct and components must weigh less than 220lbs (100kg)
Duct must be designed to allow access to fan motor through top of unit
Provide adequate support for ductwork.
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