507961-01G / 31-5000653
Page 12 of 57
Issue 2128
Figure 15. Side Return Air
(with transition and filter)
Removing the Bottom Panel
Remove the two screws that secure the bottom cap to the
furnace. Pivot the bottom cap down to release the bottom
panel. Once the bottom panel has been removed, reinstall
the bottom cap. See Figure 16.
Figure 16. Removing the Bottom Panel
Horizontal Applications
Do not install the furnace on its front or its back. See
WARNING
Figure 17.
This furnace can be installed in horizontal applications with
either right or left hand air discharge.
Refer to Figure 18 for clearances in horizontal applications.
Figure 18. Horizontal Application
Installation Clearances
Top
Bottom (floor)**
Air
Flow
Air
Flow
Right-Hand Discharge
Left-Hand Discharge
Bottom (floor)**
Top
Right End
Left End
Air
Flow
Air
Flow
Right End
Left End
Top
0
*Front
0
Back
0
Ends
0
Vent
0
Floor
0‡
* Front clearance in alcove installation must be 24 in. (610
mm). Maintain a minimum of 24 in. (610 mm) for front service
access.
** An 8” service clearance must be maintained below the unit
to provide for servicing of the condensate trap unless the trap
is mounted remotely.
‡ For installations on a combustible floor, do not install
the furnace directly on carpeting, tile or other combustible
materials other than wood flooring.