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S8XB-SVX001-1A-EN
Furnace General Installation
The following sections give general instructions for the
installation of the gas furnaces.
S-Series Furnace Panel Removal
Note: For the S8X2 furnace, a 5/16” Allen wrench is required to
remove the four latches on the front panel.
Note: Remove the shipping bracket before installation.
Note: For the S8B1/S8X1 furnace, a 1/4" nut driver is required to
remove the two screws at the top of the front panel. The front
panel can then be removed by lifting upwards.
Note: Tinnerman clips are provided in the doc pack if the door panel
flange hole(s) becomes stripped.
Note: Remove the shipping bracket before installation.
Tinnerman clip locations
(if needed)
Shipping bracket
Horizontal Installation in an Attic
or Crawlspace
The non-condensing furnace may be installed in an
attic or crawl space in the horizontal position by placing
the furnace on its left or right side (as viewed from the
front in the vertical position). The horizontal furnace
installation in an attic should be on a service platform
large enough to allow for proper clearances on all sides
and service access to the front of the furnace. See the
“Locations and Clearances,” p. 13. Line contact is only
permissible between lines formed by intersections of
the top and two sides of the furnace casing and
building joists, studs, or framing.
The furnace may be placed horizontally in a crawl
space on a pad or other noncombustible material.
Place blocks underneath to support the furnace and
raise the unit for sufficient protection from moisture.
The furnace may be installed in a hanging position
using straps. The furnace should be supported at both
ends and have an additional support in the center of
the furnace in back.
WHEN SUSPENDING THE HORIZONTAL
FURNACE, IT SHOULD BE SUSPENDED
BY ATTACHING TO THE CABINET
IN THE PLACES SHOWN.
WHEN SUPPORTING THE
FURNACE FROM BELOW,
SUPPORT FRONT TO
BACK (AS SHOWN)
OR SIDE TO SIDE.
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