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4
IMPORTANT FACTS
Your gas furnace uses air adjacent to the
furnace for combustion and vents to the
outside. Do not enclose it in an airtight
room or seal it behind solid doors. It
must have adequate airflow for efficient
combustion and safe ventilation. The
vent pipe must terminate outside the
structure and must not be obstructed in
any way.
3
To minimize the possibility of serious
personal injury, fire, damage to
your furnace, or improper operation,
carefully follow these safety rules:
• Keep the area around your furnace
free of combustible materials, gasoline,
and other flammable liquids and vapors.
• Do not cover the furnace, store trash
or debris near it, or in any way block
the flow of fresh air to the unit.
• Combustion air must be clean and
uncontaminated with chlorine or fluo-
rine. These compounds are present in
many products around the home, such
as: water softener salts, laundry
bleaches, detergents, adhesives, paints,
varnishes, paint strippers, waxes, and
plastics.
Make sure the combustion air for your
furnace does not contain any of these
compounds. During remodeling be
sure the combustion air is fresh and
uncontaminated. If these compounds
are burned in your furnace, the heat
exchangers may deteriorate.
• A furnace installed in an attic or
other insulated space must be kept
free and clear of insulating material.
Examine the furnace area when install-
ing the furnace or adding more insula-
tion. Some insulation materials may be
combustible.
NOTE:
Do not use this furnace if any
part has been under water. Immedi-
ately call a qualified service technician
to inspect the furnace and to replace
any part of the control system and any
gas control which has been under
water.
NOTE:
The qualified installer
or agency must use only factory-
authorized replacement parts, kits,
and accessories when modifying this
product.
4
This furnace contains SAFETY
DEVICES which must be MANU-
ALLY RESET. If the furnace is left un-
attended for an extended period of
time, have it checked periodically for
proper operation. This precaution will
prevent problems associated with no
heat, such as frozen water pipes, etc.
See “Before You Request a Service
Call” section in this manual.
SAFETY
CONSIDERATIONS
Installing and servicing of heating
equipment can be hazardous due to
gas and electrical components.
Only trained and qualified personnel
should install, repair, or service heat-
ing equipment.
Untrained personnel can perform
basic maintenance functions such as
cleaning and replacing air filters. All
other operations must be performed
by trained service personnel. Observe
safety precautions in this manual, on
tags, and on labels attached to the fur-
nace and other safety precautions that
may apply.
Recognize safety information. This is
the safety-alert symbol . When you
see this symbol on the furnace and in
instructions or manuals, be alert to the
potential for personal injury.
Understand the signal words DANGER,
WARNING, and CAUTION. These
words are used with the safety-alert sym-
bol. DANGER identifies the most seri-
ous hazards which
will
result in severe
personal injury or death. WARNING
signifies hazards which
could
result in
personal injury or death. CAUTION is
used to identify unsafe practices which
would
result in minor personal injury or
product and property damage.
STARTING YOUR
FURNACE
Instead of a continuously burning pilot
flame which wastes valuable energy,
your furnace uses an automatic, hot
surface ignition system to light the
burners each time the thermostat
starts your furnace.
Follow these
important safeguards:
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• Never attempt to light the burners
manually with a match or other source
of flame.
• Read and follow the operating
instructions on the furnace, especially
the item that reads as follows:
Wait 5 minutes to clear out any
gas. Then smell for gas, including
near the floor. If you smell gas,
STOP!
Follow “B” in the safety
information above on this furnace
label. If you don’t smell gas, go to the
next step.
• If a suspected malfunction occurs
with your gas control system, such as
the burners not lighting when they
should, refer to the shutdown proce-
dures on the furnace, or in the “Shut-
ting Down Your Furnace” section
and call your dealer as soon as
possible.
CHECK AIR FILTER:
Before
attempting to start your furnace, be
sure the furnace air filter is clean and in
place. See “Performing Routine Main-
tenance” section in this manual.
Then proceed as follows:
!
WARNING
If overheating occurs or the
gas valve fails to shut off the
gas supply, turn off the man-
ual gas valve to the furnace
BEFORE turning off the elec-
trical supply. (See Fig. 7.) Fail-
ure to follow this warning
could result in a fire or explo-
sion, and personal injury or
death.
!