International comfort products R9MSB Service And Technical Support Manual page 16

Care and Maintenance
WARNING
!
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Never store flammable or combustible materials on,
near, or in contact with the furnace, such as:
1. Spray or aerosol cans, rags, brooms, dust
mops, vacuum cleaners, or other cleaning
tools.
2. Soap powders, bleaches, waxes or other
cleaning compounds,
containers, gasoline, kerosene, cigarette lighter
fluid, dry cleaning fluids, or other volatile fluids.
3. Paint thinners and other painting compounds,
paper bags, or other paper products. Exposure
to these materials could lead to corrosion of the
heat exchangers.
For continuing high performance and to minimize possible
furnace failure, periodic maintenance must be performed on
this furnace. Consult your local dealer about proper
frequency of maintenance and the availability of a
maintenance contract.
WARNING
!
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
Turn off the gas and electrical supplies to the furnace
and install lockout tag before performing any
maintenance or service.
instructions on the label attached to the furnace.
WARNING
!
CARBON MONOXIDE POISONING AND FIRE
HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Never operate furnace without a filter or filtration
device installed. Never operate a furnace with filter or
filtration device access doors removed.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in personal
injury.
Sheet metal parts may have sharp edges or burrs.
Use care and wear appropriate protective clothing,
safety glasses and gloves when handling parts, and
servicing furnaces.
The minimum maintenance on this furnace is as follows:
1. Check and clean air filter each month or more
frequently if required. Replace if torn.
2. Check blower motor and wheel for cleanliness each
heating and cooling season. Clean as necessary.
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plastic or plastic
Follow the operating
Specifications subject to change without notice.
3. Check electrical connections for tightness and
controls for proper operation each heating season.
Service as necessary.
4. Inspect burner compartment before each heating
season for rust, corrosion, soot or excessive dust. If
necessary, have furnace and burner serviced by a
qualified service agency.
5. Inspect the vent pipe/vent system before each
heating season for water leakage, sagging pipes or
broken fittings. Have vent pipes/vent system serviced
by a qualified service agency.
6. Inspect any accessories attached to the furnace such
as a humidifier or electronic air cleaner. Perform any
service or maintenance to the accessories as
recommended in the accessory instructions.
Cleaning and/or Replacing Air Filter
The air filter type may vary depending on the application or
orientation. The filter is external to the furnace casing. There
are no provisions for an internal filter with this furnace. See
"Filter Arrangement" under the "Installation" section of this
manual.
WARNING
!
CARBON MONOXIDE POISONING AND FIRE
HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Never operate furnace without a filter or filtration
device installed. Never operate a furnace with filter or
filtration device access doors removed.
NOTE: If the filter has an airflow direction arrow, the arrow
must point toward the blower.
To clean or replace filters, proceed as follows:
WARNING
!
ELECTRICAL SHOCK, FIRE OR EXPLOSION
HAZARD
Failure to follow this warning could result in personal
injury or death, or property damage.
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF
position and install a lockout tag. There may be more
than one disconnect switch. Lock out and tag switch
with a suitable warning label. Verify proper operation
after servicing.
1. Turn off electrical supply to furnace.
2. Remove filter cabinet door.
3. Slide filter out of cabinet.
4. If equipped with permanent, washable filter, clean
filter by spraying cold tap water through filter in
opposite direction of airflow. Rinse filter and let dry.
Oiling or coating of the filter is not recommended.
5. If equipped with factory specified disposable media
filter, replace only with a factory specified media filter
of the same size.
6. Slide filter into cabinet.
7. Replace filter cabinet door.
8. Turn on electrical supply to furnace.
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