User Guide
4
1. One hour automatic reset. Control will automatically
reset itself and attempt to resume normal operations
following a one hour lockout period.
2. Power interruption. Interrupt 115 volt power to the
furnace for greater than 20 seconds.
3. Thermostat cycle. Interrupt thermostat signal to the
furnace for between 0 and 20 seconds.
If the condition which originally caused the lockout still
exists, the control will return to lockout. If your furnace
frequently locks out, a problem exists which must be
corrected. Contact a qualied servicer.
Maintenance is to be performed by a qualied service
technician only. User maintenance is to be restricted to
frequent air lter changes and to ensure the warnings and
notices found elsewhere in this manual be followed. We
recommend that at a minimum system maintenance be
performed by a qualied service technician prior to the
beginning of each heating season, and if equipped with air
conditioning, prior to air conditioning season.
WARNING
WARNING
The furnace should be inspected by a qualied installer,
or service agency at least once per year. Do not attempt
to service the unit in any way. This check should be
performed at the beginning of the heating season by
a qualied technician. This will insure that all furnace
components are in proper working order and that the
heating system functions appropriately. Particular attention
should be paid to the following items.
• Flue pipe system. Check for blockage and/or leakage.
Check the outside termination and the connections at
and internal to the furnace.
• Combustion air intake pipe system (where applicable).
Check for blockage and/or leakage. Check the outside
termination and the connection at the furnace.
• Heat exchanger. Check for corrosion and/or buildup
within the heat exchanger passageways.
• Burners. Check for proper ignition, burner ame, and
ame sense. Flames should extend directly outward
from burners without curling, oating or lifting o.
• Wiring. Check electrical connections for tightness and/
or corrosion. Check wires for damage.
• Drainage system. Check for blockage and/or leakage.
Check hose connections at and internal to furnace.
• Filters. Check that lters are clean.
The combustion air motor and indoor blower motor are
permanently lubricated and require no further lubrication.
WARNING
A return air lter is not supplied with this furnace and
cannot be installed inside the cabinet; however,
Filters must be inspected, cleaned or changed every two
months or as required. Dirty lters are the most common
cause of inadequate heating or cooling performance.