American-standard Gas Furnaces User Manual download pdf (Page 2)

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.

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American-standard Gas Furnaces User Manual Page 2

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