To Shut Unit Off; Maintaining Your Unit; Routine Maintenance And Care For The Equipment Owner; Air Filter - Bryant 579F User's Information Manual

Step 10
Set room thermostat selector slightly above room tempera-
ture to start unit. The induced-draft combustion fan will start.
Main burners light within 30 seconds. Indoor blower will start
within a few minutes of main gas ignition.
Step 11
Set the temperature selector on room thermostat to desired
setting.
WARNING: If the pilot fails to light, the main burn-
ers fail to light, or the blower fails to come on, shut down
gas heating section and call your dealer for service. Fail-
ure to follow these requirements could result in serious
personal injury.

TO SHUT UNIT OFF

WARNING: Do not turn off the electrical power to unit
without first turning off the gas supply. Failure to fol-
low these procedures can result in serious fire or per-
sonal injury.
Refer to Fig. 3 while proceeding with the following steps:
Step 1
Set room thermostat to lowest temperature setting and set
SYSTEM switch to OFF position.
Step 2
Close the external manual gas valve.
Step 3
Turn off the electrical supply to the unit.
Step 4
Remove the burner compartment access panel.
Step 5
Turn the control dial on the internal gas valve counterclock-
wise to the OFF position.
Step 6
Replace the burner compartment access panel.
Step 7
If unit is being shut down because of a malfunction, call your
dealer as soon as possible.
If unit is being shut down because the heating season has
ended, restore electrical power to the unit to ensure opera-
tion of the cooling system during the cooling season.
Should overheating occur, or the gas supply fail to shut off,
shut off the manual gas valve to the unit before shutting off
the electrical supply.
Do not use this unit if any part has been under water. Im-
mediately call a qualified service technician to inspect the unit
and to replace any part of the control system and any gas
control which has been under water.

MAINTAINING YOUR UNIT

All maintenance should be handled by skilled, experienced
personnel. Your dealer can help you establish a standard
procedure.
For your safety, keep area around the unit clear and free of
combustible materials, gasoline, and other flammable liq-
uids and vapors.
To assure proper functioning of the unit, flow of combustion
and ventilating air must not be obstructed from reaching the
unit. Clearance of at least 4 ft on all sides is required.
ROUTINE MAINTENANCE AND CARE FOR THE
EQUIPMENT OWNER
Before proceeding with those things you might want to main-
tain yourself, please carefully consider the following:
WARNING:
1. TURN OFF GAS SUPPLY AND ELECTRICAL
POWER TO YOUR UNIT BEFORE SERVICING
OR PERFORMING MAINTENANCE.
2. Do not turn off electrical power to this unit with-
out first turning off the gas supply.
3. When removing access doors/panels or perform-
ing maintenance functions inside your unit, be aware
of sharp sheet metal parts and screws. Although
special care has been taken to reduce sharp edges
to a minimum, be extremely careful when hand-
ling parts or reaching into the unit.
I. AIR FILTER
Air filters should be checked at least every three or four weeks
and changed or cleaned whenever they become dirty. Table 1
indicates the correct filter size for your unit. Remove the fil-
ter access panel to replace or inspect the filters. All units have
filter tracks into which the filters slide. Remove the filters by
pulling outward from the track. See Fig. 4 for filter access
panel location. Note the direction of flow arrows on the filter
frame.
When replacing your unit filters, always use the same
size and type of filter that was originally supplied by the
installer.
Units with outdoor-air capability have a cleanable filter for
the outdoor air. This filter should be checked annually and
cleaned as necessary. Remove by removing screws in outdoor
air filter retainer and sliding filters out of the unit.
WARNING: Never operate your unit without filters
in place. Failure to heed this warning may result in dam-
age to the blower motor and/or compressor. An accu-
mulation of dust and lint on internal parts of your unit
can cause loss of efficiency and, in some cases, fire.
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