Care And Maintenance - Bryant 935SB Installation, Operating And Maintenance Instruction

Single-stage, upflow/horizontal ultra low nox, 35-in. tall, condensing gas furnace
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935SB: Installation, Start-up, Operating and Service Maintenance Instructions

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,
plastic or plastic 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
Consult your local dealer and Owner's Manual
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. Follow the operating
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.
3. Check electrical connections for tightness and controls for proper
operation each heating season. Service as necessary.
4. 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.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
must be performed on this furnace.
about proper frequency
5. 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
!
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.
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.
NOTE: If the filter has an airflow direction arrow, the arrow must point
toward the blower.
To clean or replace filters, proceed as follows:
!
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. Always reinstall access doors after completing service and
maintenance.
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.
Blower Motor and Wheel Maintenance
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Blower access door switch opens 115-V power to control. No
component operation can occur unless switch is closed. Caution must
be taken when manually closing this switch for service purposes.
NOTE: The blower wheel should not be dropped or bent as balance will
be affected. The following steps should be performed by a qualified
service agency.
To ensure long life and high efficiency, clean accumulated dirt and
grease from blower wheel and motor annually.
56
WARNING
WARNING
WARNING

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