Gas Furnace Maintenance - Whirlpool GAS FURNACE User Instructions

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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
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.
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
• Before servicing disconnect all electrical
power to furnace.
• When servicing controls label all wires prior
to disconnecting. Reconnect wires
• Verify proper operation after servicing.
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.
Your gas furnace is designed to give many years of efficient,
satisfactory service. There are routine maintenance steps you
should take to keep your furnace operating efficiently. This
maintenance will assure longer life, lower operating costs, and
fewer service calls.
In addition to the maintenance procedures listed in this manual,
there are also other service and maintenance procedures that
require the skills of a qualified person.
The flue gas passageways should be cleaned.
The gas burners should be cleaned.
The condensate flow should be checked.
The furnace ventilation system should be inspected and
Lubrication of the bearings in the circulating air blower motor
and the combustion blower motor is not required.
Condensate Collection and Disposal System
If the furnace has a condensate drain, it is incorporated within the
furnace and is self-priming.
Check the condensate flow by shining a flashlight on the
condensate drain. Look for water dripping from the discharge
If the condensate drain line becomes blocked or plugged, the
furnace will not operate properly. If this occurs, the furnace
should be inspected by a qualified person.
Burner Flame
IMPORTANT: Do not attempt to adjust the burner flame.
While the furnace is in operation, observe the main burner
flames. Compare these observations to "Typical Flame
Appearance" to determine if proper flame adjustment is present.
If your observations indicate improper flame adjustment, call a
qualified person.
Distorted flame or yellow tipping on natural gas flames, or long,
yellow tips on propane flames, may be caused by lint or dirt
accumulation, or obstructions over 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
1. Burner
2. Gas manifold
3. Heat exchanger
4. Burner flame (blue only)

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