507867-02P
Page 4 of 55
Issue 1933
Gas Furnace
The GUH92C Category IV gas furnace is shipped ready for
installation in the upflow or horizontal position. The furnace
is shipped with the bottom panel in place. The bottom panel
must be removed if the unit is to be installed in horizontal
or upflow applications with bottom return air.
The GUH92C can be installed as either a Direct Vent or a
Non-Direct Vent gas central furnace
The furnace is equipped for installation in natural gas
applications. A conversion kit (ordered separately) is
required for use in propane/LP gas applications.
NOTE:
In Direct Vent installations, combustion air is taken
from outdoors and flue gases are discharged outdoors.
In Non-Direct Vent installations, combustion air is taken
from indoors and flue gases are discharged outdoors.
See Figure 2 and Figure 3 for applications involving roof
termination.
Figure 2.
Figure 3.
Shipping and Packing List
1 - Assembled Gas Furnace
1 - Bag assembly containing the following:
1 - Snap bushing
1 - Snap Plug
1 - Wire tie
1 - Condensate trap
1 - Condensate trap cap
1 - Condensate trap clamp
1 - 2” diameter debris screen
1 - 3/4” Threaded street elbow
Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.
Please refer to specification sheets for available
accessories
Safety Information
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
WARNING
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
CAUTION
DANGER OF EXPLOSION!
There are circumstances in which odorant used with
LP/Propane gas can lose its scent. In case of a leak,
LP/Propane gas will settle close to the floor and may be
difficult to smell. An LP/Propane leak detector should be
installed in all LP applications.
DANGER
Use only the type of gas approved for use with this furnace.
Refer to unit nameplate.
GUH92C units are CSA International certified to ANSI
Z21.47 and CSA 2.3 standards.