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5

Shut Down

1. Set the thermostat control(s) to the lowest setting (see 

Thermostat Control graphic).

2. Disconnect power.

3. Remove the burner access panel (on some models). 

4. Turn off the gas supply at the manual gas control valve. 

5. Replace the burner access panel (on some models).

Adjust Controls

Turn System On or Off

Move the thermostat selector switch to HEAT or COOL to 
turn on the system.

Move the thermostat selector switch to OFF to turn off the 
system.

Select Temperature

Move the thermostat dial or lever to select the temperature you 
would like the system to maintain.

Operate Fan 

You may wish to increase your comfort by setting your system for 
continuous circulation of the indoor air. You may do this by 
moving the fan switch on the thermostat.

Move the fan switch to ON so the fan will operate 
continuously.

Move the fan switch to AUTO for the fan to operate only when 
the appliance is either heating or cooling.

GAS FURNACE MAINTENANCE

IMPORTANT: It is recommended that the furnace be inspected 
and serviced at least once per year by a qualified person. 
Servicing should include the items covered in this section.

WARNING

Explosion Hazard

Furnace must be installed and serviced by a 
qualified person.

Examples of a qualified person include:

licensed heating personnel, 
authorized gas company personnel.

Read and follow all instructions provided for 
installation, adjustment, service, alteration, or 
maintenance.

Failure to follow these instructions can result in death, 
explosion, fire, or carbon monoxide poisoning.

Explosion Hazard

Use nonflammable cleaner.

Failure to do so can result in death, explosion,
or fire.

WARNING

WARNING

• Before servicing, disconnect all electrical power to furnace.

• When servicing controls label all wires prior to disconnecting.

Reconnect wires correctly.

• Verify proper operation after servicing.

ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in 
dangerous operation, serious injury, death, or property damage.

Improper servicing could result in dangerous operation, serious 
injury, death or property damage.

Summary of Contents for GAS FURNACE

Page 1: ...r future reference WARNING FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or property damage Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building L...

Page 2: ...symbol and either the word DANGER or WARNING These words mean WARNING Gas leaks cannot always be detected by smell Gas suppliers recommend that you use a gas detector approved by UL or CSA For more information contact your gas supplier If a gas leak is detected follow the What to do if you smell gas instructions The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of ...

Page 3: ...urnace if any part has been under water A flood damaged furnace is extremely dangerous Attempts to use the furnace can result in fire or explosion A qualified service agency should be contacted to inspect the furnace and to replace all gas controls control system parts electrical parts that have been wet or the furnace if deemed necessary Examine the furnace installation at least once a year to de...

Page 4: ...dels 4 This appliance is equipped with an automatic ignition device Do not try to light the burners by hand Gas Control 5 Place the gas control in the ON position 6 Replace the burner access panel on some models 7 Reconnect power 8 Set the thermostat to the desired setting 9 If the furnace will not operate see Shut Down and call a qualified person A Selector switch B Room temperature C Fan switch ...

Page 5: ...NANCE IMPORTANT It is recommended that the furnace be inspected and serviced at least once per year by a qualified person Servicing should include the items covered in this section WARNING Explosion Hazard Furnace must be installed and serviced by a qualified person Examples of a qualified person include licensed heating personnel authorized gas company personnel Read and follow all instructions p...

Page 6: ...the main burner orifice Dirt or lint can get inside the burner or burner ports and into the air inlet between the burner and manifold pipe Typical Flame Appearance Vent Maintenance IMPORTANT It is recommended that the furnace be inspected and serviced at least once a year by a qualified person Should the vent system become blocked at any time your furnace is equipped with a special safety control ...

Page 7: ...rnace has a bottom return air remove the lower front panel by lifting up and pulling out The filter s may be removed by lifting up and sliding toward the front Replace in a reverse procedure Filter Location Counterflow and Horizontal Models The filters in counterflow and horizontal furnaces are typically placed by the installer into the return plenum of the furnace Minimum Filter Requirements Char...

Page 8: ...ot block supply registers or return grilles with furniture or rugs ASSISTANCE OR SERVICE If you need further assistance you can write to the below address with any questions or concerns Whirlpool Home Cooling and Heating 14610 Breakers Drive Jacksonville FL 32258 Please include a daytime phone number in your correspondence ReplacementParts To order replacement parts contact your Whirlpool Home Coo...

Page 9: ...D COVERAGE Your Whirlpool Home Cooling and Heating limited warranty provides extended coverage on the components outlined below The extended coverage begins with the date of the original unit installation and represents the total warranty period for the specific component Heat Exchangers WFAT WFAR WGFA WGFB W2PG3 Twenty 20 Years Residential Applications WFAT WFAR WGFA WGFB W2PG3 Ten 10 Years Non R...

Page 10: ...utdoor unit and refrigerant control devices which do not match or meet the specifications recommended by Whirlpool Home Cooling and Heating e Operation of furnaces with return air temperatures of less than 60 F 16 C or operation of a furnace field installed downstream from a cooling coil f Use of contaminated or alternate refrigerant 3 The installation of replacement parts under the terms of this ...

Page 11: ...11 Notes ...

Page 12: ...46877B008 2008 All rights reserved Registered Trademark TM Trademark of Whirlpool U S A Manufactured under license by Tradewinds Distributing Company LLC Coconut Grove Florida 4 08 Printed in U S A ...

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