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© 2002 American Standard Inc. All Rights Reserved 32-5034-04
User’s Information
A variety of potential sources of carbon monoxide can be
found in a building or dwelling such as gas-fired clothes
dryers, gas cooking stoves, water heaters, furnaces and
fireplaces. The U.S. Consumer Product Safety Commission
recommends that users of gas-burning appliances install
carbon monoxide detectors as well as fire and smoke detectors,
listed by a nationally recognized agency (e.g. Underwriters
Laboratories or International Approval Services), to help
alert dwelling occupants of the presence of fire, smoke or
unsafe levels of carbon monoxide.
NOTE:
The manufacturer of your furnace does not test any detec-
tors and makes no representations regarding any brand or
type of detector.
▲
WARNING
!
BODILY INJURY CAN RESULT FROM HIGH VOLTAGE
ELECTRICAL COMPONENTS, FAST MOVING FANS, AND
COMBUSTIBLE GAS. FOR PROTECTION FROM THESE
INHERENT HAZARDS DURING INSTALLATION AND
SERVICING, THE ELECTRICAL SUPPLY MUST BE DIS-
CONNECTED AND THE MAIN GAS VALVE MUST BE
TURNED OFF.
To Start the Furnace
Installing and servicing heating equipment can be hazardous
due to gas and electrical components. Only trained and
qualified personnel should install, repair or service heating
equipment.
Untrained personnel can perform basic maintenance func-
tions such as cleaning and replacing filters. All other opera-
tions must be performed by trained service personnel.
Parts and controls of this furnace are unique. Should service
or modification be required, be sure your servicer uses only
factory authorized parts, kits, or accessories for this furnace.
If you experience a problem with the operation of your
furnace, check the “Problem Solver” section of this manual
before you call for a possibly unneeded service call.
▲
WARNING
!
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. Refer to
the installation instructions provided with the furnace and
this manual. For assistance or additional information con-
sult a qualified installer, service agency or the gas supplier.
Lighting instructions.
Your furnace does not use a continuously burning pilot flame.
Therefore, manually lighting your furnace is not required.
Your furnace is equipped with an automatic ignition system.
It uses a hot surface ignition device that automatically lights
the burners each time the thermostat signals the furnace to
start.
▲
WARNING
!
Do not attempt to manually light the furnace.
1. Please read all safety information in this book before
operating furnace.
2. Set thermostat to lowest setting. Turn off all electric
power to furnace.
3. Remove the furnace front panel to gain access to the
main gas valve.
4. Turn gas cock knob clockwise or the toggle switch located
on the main gas valve inside the unit to “OFF” position
(see illustration on next page). If external gas cock is
used, turn to “OFF” position (see illustration on next
page). Allow 5 minutes for any gas within the unit to
escape. LP gas being heavier than air may require forced
ventilation. If you smell gas STOP! Follow the “What To
Do If You Smell Gas” instructions on the front cover of
this book. If you don’t smell gas, go to next step.
5. Turn gas cock knob counterclockwise or the toggle switch
to “ON” marker (see illustration on next page).
6. Replace the furnace front access panel.
7. Turn on main electrical supply and set thermostat to
desired setting. Combustion blower will start and
ignition device will start to heat up. After approximately
15 seconds main gas valve will open and burners will
ignite.
8. When thermostat is satisfied, main burners will
extinguish.
9. If main burners fail to ignite, lower thermostat setting or
disconnect electrical supply, wait 5 minutes, raise
thermostat setting above indicated temperature.
10. If furnace will not light, turn “OFF” all gas and electric-
ity to unit and call servicer or gas supplier.
For complete shutdown.
Turn gas cock knob on main gas valve to “OFF” position.
Disconnect electrical supply to unit.
▲
CAUTION
!
If this is done during the cold weather months, provisions
must be taken to prevent freeze-up of all water pipes and
water receptacles.
Whenever your house is to be vacant, arrange to have
someone inspect your house for proper temperature. If your
furnace should fail to operate, damage could result, such as
frozen water pipes.
Flame Roll-out Device.
All models are equipped with a fusible link located near the
burners. In case of flame roll-out, the link will open (melt)
and cause the circuit to open which shuts off all flow of gas.