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MAINTENANCE
It is recommended that the furnace be checked yearly. At
a minimum, this check should include the following items.
!
WARNING:
To avoid electrical shock, personal injury, or
death, turn off the electric power at the
disconnect or the main service panel before
making any electrical connections.
!
WARNING:
Products of combustion must not be allowed to
enter the living space. Failure to prevent
products of combustion from being circulated
into the living space can create potentially
hazardous conditions including carbon
monoxide poisoning that could result in personal
injury or death.
Vent System
Check the vent pipe to ensure that it is not corroded or
blocked by debris. Any corroded section of vent pipe must
be replaced, and any obstruction or blockage must be
removed prior to operating the furnace.
Air Filter(s)
!
WARNING:
Never operate the furnace without a filter in
place. Dust and lint in the return air can build up
on internal components, resulting in loss of
efficiency, equipment damage, and possible
fire.
Air filter(s) are not supplied with the furnace as shipped
from the factory.
The installer must provide a high velocity filter and rack for
a filter in the return air duct adjacent to the furnace, or in a
return air grill to the furnace. Filters should be changed or
cleaned monthly during the heating season. New or newly
renovated homes may require more frequent changing until
the construction dust has been removed.
Filters for side return and bottom return applications are
available from your local distributors.
Lubrication
The bearings in the circulating air blower motor and inducer
blower used in these furnaces are pre-lubricated and sealed
at the factory. No further oiling of the bearings is required
for the life of the motor.
Blower Compartment
The blower compartment should be cleaned monthly during
the heating and cooling seasons to remove any dirt and lint
that may have accumulated in the compartment or on the
blower and motor. Dirt and lint can create excessive loads
on the motor resulting in higher than normal operating
temperatures and shortened service life.
Heat Exchanger and Burner Maintenance
The furnace should operate for many years without soot
buildup in the flue passageways, however, the flue
passageways, the vent system, and the burners should be
inspected and cleaned (if required) by a qualified serviceman
annually to ensure continued safe operation. Particular
attention must be given to identify deterioration from
corrosion or other sources.
!
WARNING:
Holes in the vent pipe or heat exchanger can
cause products of combustion to enter the
home. Replace the vent pipe or heat exchanger
if leaks are found. Failure to prevent products
of combustion from being circulated into the
living space can create potentially hazardous
conditions including carbon monoxide
poisoning that could result in personal injury
or death.
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