Installation
2)1&U-,0&1&,+
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)
0003061 *
* 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
࡛ ƸϑʪŵʪϩЇθθʪϩ˵ɇϩʀɇϑЇΧΧцϑЇ˙ѣʀʪϩɇθϩͱʪϑЇθʪΧθͱΧʪθΧʪθ˙ͱθɇʀʪ
For A/C and HP Air Handlers 1/2 HP Blower Motors
࡛ Minimum 250 in
2
free area opening
࡛ ƸϑʪŵʪϩЇθθʪϩ˵ɇϩʀɇϑЇΧΧцϑЇ˙ѣʀʪϩɇθϩͱʪϑЇθʪΧθͱΧʪθΧʪθ˙ͱθɇʀʪ
For A/C and HP Air Handlers with Electric Heat use 3/4 HP Blower Motor
࡛ Minimum 390 in
2
free area opening
࡛ ƸϑʪŵʪϩЇθθʪϩ˵ɇϩʀɇϑЇΧΧцϑЇ˙ѣʀʪϩɇθϩͱʪϑЇθʪΧθͱΧʪθΧʪθ˙ͱθɇʀʪ
Ɵ˵ʪθʪϩЇθɇθͱΧʪ˝ʀɇɵʪͱʀɇϩʪʒϩ˵ʪѤͱͱθࡥͱɇʀͱϑʪϩ˙θͱϩʒͱͱθͱθɇϑʒʪиɇɇɵͱЭʪϩ˵ʪɇθ˵ɇʒʪθʀɇϑ˝Ã˙
ͱΧʪ˝˙ͱθϩ˵ʪθʪϩЇθɇθϑͱʀɇϩʪʒϩ˵ʪѤͱͱθࡥϑʒʪиɇϑࡥͱθʀͱϑʪϩʒͱͱθɇци˵ʪθʪɵʪͱиϩ˵ʪɇΧΧɇʀʪʀɇϑ˝ࡥɇߨʀ˵
minimum clearance between the appliance and the wall or door must be provided on the side where the return is located
ϩͱΧθͱЭʒʪ˙ͱθΧθͱΧʪθɇθѤͱиƟ˵ʪߨʀ˵ЇʀʪɇθɇʀʪϑͱϩθʪαЇθʪʒ˙ϩ˵ʪθʪϑɇθʪϩЇθ˝θʪϑϩɇʪʒɇɵͱЭʪϩ˵ʪ
ɇΧΧɇʀʪʀɇϑ˝ࡥΧθͱЭʒ˝ϩ˵ʪ˝θʪ˵ɇϑɇϑЇ˙ѣʀʪϩθʪϩЇθɇθͱΧʪ˝
Closet Wall
Typical Closet Installations
Provisions shall be made to permit the air in the rooms and the living spaces to return to the air handler. Failure to comply
ɇцʀɇЇϑʪɇθʪʒЇʀϩͱϩ˵ʪɇͱЇϩͱ˙θʪϩЇθɇθɇЭɇɇɵʪϩͱϩ˵ʪɵͱиʪθࡥʀɇЇϑ˝θʪʒЇʀʪʒɇθѤͱиθʪϑЇϩ˝ΧθͱΧʪθ
˵ʪɇϩ˝ɇʒʀͱͱ˝ͱ˙ϩ˵ʪЭ˝ϑΧɇʀʪƟ˵ʪθʪʒЇʀʪʒɇθɇцʀɇЇϑʪϩ˵ʪɇθѤͱи˵ɇʒʪθϩͱʀцʀʪͱϩ˵ʪϩʀɇЇϑ˝
premature heating element failure (if electric heat kits are installed).
ƸΧѤͱиʀʀʪϑϑͱθцϩʪθ9ͱуçϩ
ɇʀʀʪϑϑͱθцѣϩʪθɵͱуϩʀɇɵʪЇϑʪʒͱϩ˵ʪθʪϩЇθɇθʪʒͱ˙ϩ˵ʪɇθ˵ɇʒʪθи˵ʪʀͱѣ˝Їθʪʒϩ˵ʪЇΧѤͱиΧͱϑϩͱƟ˵ʪ
ѣϩʪθϩϑΧɇʀʪʒͱЭʪθϩ˵ʪθʪϩЇθΧʪЇϩ˵ʪѤͱͱθɇʒϑʪɇʪʒϩͱϩ˵ʪΧʪЇЇϑ˝ϑʪɇɇϩͱθʀɇЇ˝ɇϩʪθɇɇʒࢩͱθ
ϩɇΧʪƟ˵ʪɇθ˵ɇʒʪθϑΧɇʀʪʒͱϩͱΧͱ˙ϩ˵ʪθʪϩЇθѣϩʪθɵͱуɇʒϩ˵ʪθʪϩЇθͱΧʪ˝ϑʪɇʪʒϩͱΧθʪЭʪϩʪɇϑ