9
Installation
This appliance is approved for zero (0) inches clearance to combustible material on any part of the air handler exterior
casing and the inlet or outlet ducts providing NO electric heater is being used. There is a one (1) inch clearance on the
supply plenum and supply air duct when an electric heater is installed in the appliance. Refer to Table below for clearance
to combustibles information.
Top (inches) Back (inches) Sides (inches)
Front of unit
Duct (inches)
Alcove (inches) Closet (inches)
0 0 0 30 6 1 *
* when electric heat kit accessory is installed
Return air requirements
0" 0"
Return Air Requirements
In order for the air handler to work properly, a closet or alcove must have a certain total free area opening for the return air.
For A/C and HP Air Handlers 1/3 HP Blower Motor
Minimum 200 in
2
free area opening
For A/C and HP Air Handlers 1/2 HP Blower Motors
Minimum 250 in
2
free area opening
For A/C and HP Air Handlers with Electric Heat use 3/4 HP Blower Motor
Minimum 390 in
2
free area opening
minimum clearance between the appliance and the wall or door must be provided on the side where the return is located
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 9 2022-09-15 오전 9:53:15
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