38
WARNING
HIGH VOLTAGE
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කඍකගඡඌඉඕඉඏඍඍකඛඖඉඔඑඖඒඝකඡකඌඍඉගඐ
5ඍඔඉඋඍක&ඔඍඉඖ)එඔගඍක
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must be used with your comfort system. A properly maintained
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dirty coil could cause poor operation and/or severe equipment
damage.
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and how to clean or replace them.
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When they are dirty, replace or clean as required. Disposable
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cleaned.
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ඟඑගඐඟඉකඕඟඉගඍකඌකඑඍඌඋඕඔඍගඍඔඡඉඖඌඛකඉඡඍඌ
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ing small airborne particles.
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inadequate heating or cooling performance. Filters should be
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The bearings on the air circulating blower motor, condenser
motor and the combustion fan motor are permanently lubricat-
ed and require no further lubrication.
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The compressor motor is hermetically sealed and does not
require additional oiling.
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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
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• Return Air Connection. Check for physical soundness
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package unit casing.
• Heat exchanger. Check for corrosion and/or obstructions
within the heat exchanger passageways.
• Burners.&KHFNIRUSURSHULJQLWLRQEXUQHUÀDPHDQG
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• Wiring. Check wires for damage. Check electrical
connections for tightness and/or corrosion.
• Filters.&KHFNWKDW¿OWHUVDUHFOHDQDQGLQWKHSURSHU
placement in the unit or duct system.
• Louvers. Inspect air inlet louvers inside the heat
exchanger compartments. Ensure the area is clean and
free of dirt and debris.
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The outdoor coil should be inspected annually. It is important
to keep the outdoor coil clean. Dirt, leaves, or debris could
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easily puncture the tubing in the coil.
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PACKAGE UNITS - DUAL FUEL & GAS
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• Check the thermostatWRFRQ¿UPWKDWLWLVSURSHUO\VHW
• Check the disconnectVZLWFKQHDUWKHXQLWWRFRQ¿UP
that 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. &RQ¿UPWKDWWKH\DUHRSHQDQGKDYHQRWEHHQ
EORFNHGE\REMHFWVUXJVFXUWDLQVRUIXUQLWXUH
• Check for obstructions on the unit.&RQ¿UPWKDWLWKDV
not been covered on the sides or the top. Remove any
obstruction that can be safely removed. If the unit is
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clean it.
• &KHFNWKH¿OWHU If it is dirty, clean or replace it.
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