Product Application - Whirlpool WGFD293 Installation Instructions Manual

93% and 95% 2-stage variable speed gas furnace
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Product limited warranty certificates can be viewed at or Each product
overview page contains a Product Warranty link. By clicking on
the link, you will be able to view the limited warranty coverage for
that specific product. To view warranty registration information,
click on the Product Warranty link on the left navigation panel on
the home page of each website. The Online Product Registration
pages are located in this same section.
To prevent property damage, personal injury or death due
to fire, do not install the furnace in a mobile home, trailer
or recreational vehicle.

Product Application

This furnace is primarily designed for residential home-heating
This furnace is not designed or certified for use in mobile
homes, trailers or recreational vehicles.
This furnace is not designed or certified for outdoor
The furnace must be installed indoors (for example, attic
space, crawl space or garage area provided the garage area
is enclosed with an operating door).
This furnace can be used in the following nonindustrial
commercial applications:
Nursing homes
Office buildings
Common areas
Retail stores
Office areas
NOTE: In such applications, the furnace must be installed with
the following stipulations:
It must be installed according to the installation instructions
provided and according to local and national codes.
It must be installed indoors in a building constructed on site.
It must be part of a ducted system and not used in a free air
delivery application.
It must not be used as a “makeup” air unit.
It must be installed with 2-pipe systems for combustion air,
especially if VOC’s or other contaminants are present in the
conditioned space.
All other warranty exclusions and restrictions apply.
This furnace is an ETL dual-certified appliance and is appropriate
for use with natural or propane gas
NOTE: If you are using propane, a propane conversion kit is
Dual certification means that the combustion air inlet pipe is
optional, and the furnace can be vented as a:
Nondirect vent (single pipe) central forced air furnace in
which combustion air is taken from the installation area or
from air ducted from the outside or a,
Direct vent (dual pipe) central forced air furnace in which all
combustion air supplied directly to the furnace burners
through a special air intake system outlined in these
This furnace may be used as a construction site heater only if all
of the following conditions are met:
The vent system is permanently installed according to these
installation instructions.
A room thermostat is used to control the furnace. Fixed
jumpers that provide continuous heating cannot be used and
can cause long term equipment damage.
Return air ducts are provided and sealed to the furnace.
A return air temperature range between 60ºF (16ºC) and 80ºF
(27ºC) is maintained.
Air filters are installed in the system and maintained during
construction, replaced as appropriate during construction
and upon completion of construction.
The input rate and temperature rise are set according to the
furnace rating plate.
100% outside air is provided for combustion air requirements
during construction. Temporary ducting can be used.
NOTE: Do not connect the temporary duct directly to the
furnace. The duct must be sized for adequate combustion
and ventilation in accordance with the latest edition of the
National Fuel Gas Code NFPA 54/ANSI Z223.1 or CAN/CSA
B149.1 Installation Codes.
The furnace heat exchanger, components, duct system, air
filters and evaporator coils are thoroughly cleaned following
the final construction cleanup.
All furnace operating conditions (including ignition, input rate,
temperature rise and venting) are verified according to these
installation instructions.
NOTE: The Commonwealth of Massachusetts requires that the
following additional requirements must also be met:
Gas furnaces must be installed by a licensed plumber or gas
A T-handle gas cock must be used.
If the unit is to be installed in an attic, the passageway to and
the service area around the unit must have flooring.
To ensure proper furnace operation, you must install, operate and
maintain the furnace in accordance with these installation and
operation instructions, all local building codes and ordinances. In
their absence, follow the latest edition of the National Fuel Gas
Code (NFPA 54/ANSI Z223.1), and/or CAN/CSA B149 Installation
Codes, local plumbing or waste water codes and other
applicable codes.
A copy of the National Fuel Gas Code (NFPA 54/ANSI Z223.1)
can be obtained from any of the following:
American National Standards Institute
1430 Broadway
New York, NY 10018
National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02269
CSA International
8501 East Pleasant Valley
Cleveland, OH 44131
The rated heating capacity of the furnace should be greater than
or equal to the total heat loss of the area to be heated. The total
heat loss should be calculated by an approved method or in
accordance with “ASHRAE Guide” or “Manual J-Load
Calculations” published by the Air Conditioning Contractors of
A copy of the CAN/CSA B149 Installation Codes can also be
obtained from:
CSA International
178 Rexdale Boulevard
Etobicoke, Ontario, Canada M9W 1R3
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