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
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