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PACKAGE UNITS
- DUAL FUEL & GAS
HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS
We strongly recommend a bi-annual maintenance checkup be performed
by a
qualified service agency
before the heating and cooling seasons begin.
WARNING
High Voltage!
Disconnect ALL power before servicing or
installing thus unit. Multiple power sources may
be present. Failure to do so may cause property
damage, personal injury, or death.
Replace or Clean Filter
IMPORTANT NOTE:
Never operate unit without a filter in
-
stalled as dust and lint will build up on internal parts resulting
in loss of efficiency, equipment damage and possible fire.
A return air filter is not supplied with this unit; however, there
must be a means of filtering the return air. An indoor air filter
must be used with your comfort system. A properly main-
tained filter will keep the indoor coil of your comfort system
clean. A dirty coil could cause poor operation and/or severe
equipment damage.
The installer of your unit can tell you where your filter(s) are
and how to clean or replace them.
Check your return filter(s) at least once every two months.
When they are dirty, replace or clean as required. Dispos-
able type filters should be replaced. Reusable type filters
may be cleaned.
NOTE:
Reusable type filters should be washed with warm
water, dried completely and sprayed with an adhesive ac-
cording to the manufacturers recommendations.
You may want to ask your dealer about high efficiency filters.
High efficiency filters are available in both electronic and
non-electronic types. These filters can do a better job of
catching small airborne particles.
Improper filter maintenance is the most common cause of
inadequate heating or cooling performance. Filters should
be cleaned (permanent) or replaced (disposable) every two
months or as required. When replacing a filter, it must be
replaced with a filter of the same type and size and always
make certain the air flow arrows on the filter point in the
proper direction.
Condenser, Evaporator and Induced Draft Motors
The bearings on the air circulating blower motor, condenser
motor and the combustion fan motor are permanently lubri-
cated and require no further lubrication.
Compressor
The compressor motor is hermetically sealed and does not
require additional oiling.
Annual Inspection (Qualified Servicer Only)
Your package unit should be inspected by a qualified install
-
er, or service agency at least twice every year. This check
should be performed before the heating and cooling sea-
sons begin. This will ensure that adequate combustion air is
being drawn and the vent system is working properly. Partic-
ular 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 (wasp nest, etc.) and corrosion.
Flue Hood (Qualified Servicer Only)
• Return Air Connection. Check for physical soundness
and ensure that the connection is firmly sealed to the
package unit casing.
•
Heat exchanger
. Check for corrosion and/or
obstructions within the heat exchanger passageways.
• Burners.
Check for proper ignition, burner flame, and
flame sense.
• Wiring. Check wires for damage. Check electrical
connections for tightness and/or corrosion.
• Filters
. Check that filters are clean and in the proper
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.
Clean Outside Coil (Qualified Servicer Only)
The outdoor coil should be inspected annually. It is important
to keep the outdoor coil clean. Dirt, leaves, or debris could
restrict the airflow. If cleaning of the outdoor coil becomes
necessary, hire a qualified servicer. Inexperienced people
could easily puncture the
tubing in the coil.
Before Calling Your Servicer
•
Check the thermostat
to confirm that it is properly
set.
•
Check the disconnect switch
near the unit to confirm
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
. Confirm that they are open and have not
been blocked by objects (rugs, curtains or furniture).
•
Check for obstructions on the unit
. Confirm that it has
not been covered on the sides or the top. Remove
any obstruction that can be safely removed. If the
unit is covered with dirt or debris, call a qualified
servicer to clean it.
•
Check the filter
. If it is dirty, clean or replace it.
