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as dust and lint will build up on internal parts resulting in loss of
must be used with your comfort system. A properly maintained
dirty coil could cause poor operation and/or severe equipment
damage.
how to clean or replace them.
When they are dirty, replace or clean as required. Disposable
cleaned.
-
ter, dried completely and sprayed with an adhesive according
to the manufacturers recommendations.
-
-
ing small airborne particles.
-
adequate heating or cooling performance. Filters should be
The bearings on the air circulating blower motor, condenser
motor and the combustion fan motor are permanently lubricat-
ed and require no further lubrication.
The compressor motor is hermetically sealed and does not re-
quire additional oiling.
This unit is equipped with an aluminum tube evaporator coil.
coil with water. This cleaning practice remains as the recom-
mended cleaning method for both copper tube and aluminum
tube residential cooling coils. An alternate cleaning method is
to use one of the products listed in the technical publication
coils. The cleaners listed are the only agents deemed safe and
approved for use to clean round tube aluminum coils. TP-109 is
available on the web site in Partner Link > Service Toolkit.
Ensure coils are rinsed well after use of any chemical
cleaners.
or service agency at least twice every year. This check should
be performed before the heating and cooling seasons begin.
This will ensure that adequate combustion air is being drawn
and the vent system is working properly. Particular attention
should be paid to the following items. Repair as necessary.
• Check physical support of the unit. Ensure it is sound
without any sagging, cracks, or gaps, around the base.
• Check for obvious signs of deterioration of the unit.
• Flue Hood and Combustion Air Inlet. Check for blockage
• Return Air Connection. Check for physical soundness and
unit casing.
• Heat exchanger. Check for corrosion and/or obstructions
within the heat exchanger passageways.
•
• Wiring. Check wires for damage. Check electrical connec-
tions for tightness and/or corrosion.
•
placement in the unit or duct system.
• Louvers. Inspect air inlet louvers inside the heat exchang-
er compartments. Ensure the area is clean and free of dirt
and debris.
The outdoor coil should be inspected annually. It is important to
keep the outdoor coil clean. Dirt, leaves, or debris could restrict
puncture the tubing in the coil.
•
•
it is closed.
• Check the electrical panel for tripped circuit breakers or
failed fuses. Reset the circuit breakers or replace fuses
as necessary.
• Check for blockage of the indoor air inlets and outlets.
•
been covered on the sides or the top. Remove any ob-
struction that can be safely removed. If the unit is covered
•
PACKAGE UNITS - DUAL FUEL & GAS
HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS
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