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WARNING
To avoid death or personal injury due to electrical shock, disconnect the electrical power before performing any
maintenance.
Routine Maintenance
If you perform maintenance on the furnace yourself, remember that certain mechanical and electrical knowledge, skills
and tools are required to perform maintenance on the furnace. Personal injury or death my result. If you are not
properly trained. You should call your installing dealer or place of purchase if you are uncertain about your ability to
perform maintenance.
Annual Inspection
The furnace should be inspected by a qualified installer, or service agency at least once per year. This check should
be performed at the beginning of the heating season. 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.
Repair as necessary.
• Flue pipe system. Check for blockage and/or leakage. Check
the outside termination and the connections at and internal to the
furnace.
• Heat exchanger. Check for corrosion and/or buildup within the
heat exchanger passageways.
• Burners. Check for proper ignition, burner flame, and flame
sense. Flames should extend directly outward from burners with-
out curling, floating or lifting off.
• Drainage system. Check for blockage and/or leakage. Check
hose connections at furnace.
• Wiring. Check electrical connections for tightness and/or corro-
sion. Check wires for damage.
• Filters. Check that filters are clean and in the proper placement
in the furnace or duct system.
Check the burner flames for:
1. Good adjustment
2. Stable, soft and blue
3. Not curling, floating, or lifting off.
Burner Flame
Summary of Contents for GULA
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