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
Return Duct Connections
Return Ducting General Guidelines
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Back returns are not allowed on any S-Series Furnaces
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Side returns are not allowed on downflow or horizontal S-Series Furnaces
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Mounting flanges must be located on ducting
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Shoot screws through the mount flanges into the furnace cabinet
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Always seal per local codes and requirements
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Furnace, coil, and ducting must be supported separately
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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
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Step
Upflow Furnace with Bottom Return Mounted on a Ducted
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Step
60
Filter
1,
Step
2,
Step3
,
Step 4
Pedestal
1,
Step
7,
Step
8,
Step 4
Upflow Furnace with Bottom Return in Closet with Filter Box
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Step
1,
Upflow Furnace with Bottom Return Mounted on a Ducted
Pedestal with Filter Box
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Step
Step
5,
Step
6,
Step 4
1,
Step
9,
Step 4
S9V2-SVX001-1A-EN