Trane S9V2B040U3PSBB Installer's Manual page 54

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
Table 4. Return Duct Connections (continued)
Downflow Furnace with Top Return
1. Remove the top plate.
2. Attach the ducting to the top of the furnace.
3. Install remote filter.
4. Seal per local codes and requirements.
Downflow Furnace with Top Return and Plenum
1. Remove the top plate.
2. Attach the plenum ducting to the top of the furnace.
3. Install remote filter.
4. Seal per local codes and requirements.
54 18-CE01D1-1M-EN