Maintenance
Note: Do not attempt to clean disposable filters. Permanent filters can be cleaned by washing with a mild detergent and water. Ensure that the filters are thoroughly dry before reinstalling them in the unit (or duct system).
Note: Replace permanent filters annually if washing fails to clean them, or they show signs of deterioration. Be sure to use the same type and size as were originally installed.
Condenser coil
Unfiltered air circulates through the unit's condenser coil and can cause the coil's surface to become clogged with dust, dirt, etc. To clean the coil, brush the coil surface in the direction of the fins with a soft bristled brush.
Keep all vegetation away from the condenser coil area.
Hot water coil (option)
Stop the unit. Do not disconnect the main supply to the unit. This will permit the
Service technician maintenance
Before the cooling season, your service technician may examine the following areas of your unit:
•Filters, for cleaning or replacement
•Motors and drives system components
•Economizer gaskets, for replacement if necessary
•Condenser coils, for cleaning
•Safety controls, for mechanical cleaning
•Electrical components and wiring, for replacement and tightening of connections as necessary
•Condensate drain, for cleaning
•Unit duct connections, to ensure they are physically sound and sealed to the unit casing
•Unit mounting support, to ensure that it is sound
•The unit, to ensure there is no obvious deterioration
Before the heating season, your service technician may examine the following areas of your unit:
•The unit, to ensure that the condenser coil can receive the required airflow (that the condenser fan grille is not obstructed)
•The control panel wiring, to verify that all electrical connections are tight, and that wire insulation is intact
•Clean burner area, verify the gas heat system operates properly.
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