Trane A801X026AM2SC Installation, Operation And Maintenance Manual page 32

F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n
R R e e t t u u r r n n D D u u c c t t C C o o n n n n e e c c t t i i o o n n s s
Return Ducting General Guidelines
• Back returns are not allowed on any S-Series Furnaces
• Side returns are not allowed on downflow or horizontal S-Series Furnaces
• Mounting flanges must be located on ducting
• Shoot screws through the mount flanges into the furnace cabinet
• Always seal per local codes and requirements
• Furnace, coil, and ducting must be supported separately
• An external overflow drain pan must be installed in all applications over a finished ceiling to prevent property damage
Upflow Furnace with Bottom Return in Closet with Remote
Refer to Step 1.,
Upflow Furnace with Bottom Return Mounted on a Ducted
Refer to Step 1.,
I I n n s s t t a a l l l l a a t t i i o o n n I I n n s s t t r r u u c c t t i i o o n n s s
1. Remove the bottom plate.
2. Set the furnace on the base inside closet.
3. Install remote filter.
4. Set the furnace on the filter box inside closet.
5. Must have grille present for air.
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Filter
Step 2., Step 3., and Step 8.
Pedestal
Step 6., Step 3., and Step 8.
Upflow Furnace with Bottom Return in Closet with Filter Box
Refer to Step 1., Step
Upflow Furnace with Bottom Return Mounted on a Ducted
Pedestal with Filter Box
Refer to Step 1.,
6. Set the furnace on the ducted pedestal. The ducted
pedestal will use ducted air from a remote location.
7. Set the furnace on the filter box. The ducted
pedestal will use ducted air from a remote location.
8. Seal per local codes and requirements.
4., Step 5., and Step 8.
Step 7., and Step 8.
A801X-SVX001-1A-EN