507867-02P
Page 12 of 55
Issue 1933
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/Plenum
1 in. (25 mm)
*Front
0
Back
0
Sides
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.
† Allow proper clearances to accommodate condensate trap.
‡ For installations on a combustible floor, do not install
the furnace directly on carpeting, tile or other combustible
materials other than wood flooring.
Suspended Installation of Horizontal Unit
This furnace may be installed in either an attic or a crawl
space. Either suspend the furnace from roof rafters or floor
joists, as shown in Figure 19, or install the furnace on a
platform, as shown in Figure 20. A horizontal suspension
kit (51W10) may be ordered from your distributor or use
equivalent.
Figure 19. Typical Horizontal Application