INTRODUCTION
This 95% efficient gas fired furnace series is CGA / AGA
d
vent pressure) non-direct or direct vent central forced air fur-
nace. It is an upflow, downflow, horizontal left and right fur-
nace suitable for residential and light commercial heating
applications from 54,000 to 108,000 BTU/Hr. When installed
as a direct vent furnace, all combustion air is supplied direct-
ly to the furnace burners through a special air intake system.
(See Section “Ventilation and Combustion Air.”)
All models may be fired by natural gas or field convertible to
LP gas (propane). The furnace is shipped completely assem-
bled except for the drain trap assembly and the venting.
Please inspect for damage when the furnace is unpacked.
SAFETY
Throughout the manual, symbols and words are used to draw
attention to potentially hazardous conditions.
Safety Rules:
1. Use this furnace only with type of gas approved for this
furnace. Refer to the furnace rating plate.
2. Install this furnace only in dry indoor locations
(protected from weather).
3. Provide adequate combustion and ventilation air to the
furnace space as specified in the Determining
4. Combustion products must be discharged outdoors.
Connect this furnace to an approved vent system only, as
these instructions.
5. Never test for gas leaks with an open flame. Use a
commercially available soap solution made specifically
for the detection of leaks to check all connections as
instructions.
6. Always install furnace to operate within the furnace’s
intended temperature rise range with a duct system
which has an external static pressure within the
allowable range, as specified in the Furnace Sizing
t
7. When a furnace is installed so that the supply ducts carry
air circulated by the furnace to areas outside the space
containing the furnace, the return air shall also be
handled by duct(s) sealed to the furnace casing and
terminating outside the space containing the furnace.
(Furnace for heating the home located in the attached
garage, for example).
8. A gas fired furnace for installation in a residential
garage must be installed so that the burners and ignitor
are no less than 18 inches above the floor. The furnace
must be located, or protected to avoid physical damage
by vehicles.
9.
THIS FURNACE IS NOT TO BE USED FOR TEMPORARY
HEATING FOR BUILDINGS UNDER CONSTRUCTION.
DANGER
THIS INDICATES AN IMMINENTLY HAZARDOUS
SITUATION WHICH, IF NOT AVOIDED, WILL RESULT IN
DEATH OR SERIOUS INJURY.
WARNING
THIS INDICATES A POTENTIALLY HAZARDOUS
SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN
DEATH OR SERIOUS INJURY.
CAUTION
THIS INDICATES A POTENTIALLY HAZARDOUS
SITUATION, WHICH, IF NOT AVOIDED, MAY RESULT IN
MINOR OR MODERATE INJURY.
CAUTION
MAKE SURE TO REMOVE FOAM BLOWER HOUSING
SHIPPING SUPPORTS BEFORE OPERATING FURNACE.
SHIPPING SUPPORTS ARE LOCATED ON THE BOTTOM
RIGHT AND BOTTOM LEFT SIDES OF BLOWER HOUSING.
DANGER
FIRE OR EXPLOSION HAZARD
IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT
FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY
RESULT, CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
DANGER
DO NOT INSTALL THIS FURNACE IN A MOBILE HOME!
THIS FURNACE IS NOT APPROVED FOR INSTALLATION IN
A MOBILE HOME. DOING SO COULD CAUSE FIRE,
PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF
LIFE.
WARNING
THE FURNACE CONTAINS FOIL COVERED FIBERGLASS
INSULATION. INHALATION OF FIBERGLASS PARTICLES IS
ASSOCIATED WITH RESPIRATORY DISEASE INCLUDING
CANCER.
WARNING
THE FUEL SUPPLIER NORMALLY ODORIZES NATURAL
GAS AND PROPANE. IN SOME CASES, THE ODORANT
MAY NOT BE PERCEIVABLE. INSTALLATION OF UL AND
CUL RECOGNIZED FUEL GAS DETECTORS INSTALLED IN
ACCORDANCE WITH THEIR MANUFACTURER’S
INSTRUCTIONS IS RECOMMENDED AS AN ADDITIONAL
MARGIN OF SAFETY.
esign certified as a Category IV (condensing with positive
Combustion Air section on page 13 of these instructions.
specified in the Furnace Venting section on page 14 of
section on page 4, the Ductwork section on page 7, and
1
specified in the Gas Supply section on page 28 of these
he Airflow section on page 35 of these instructions.
Summary of Contents for HG95E054
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