Bryant 355MAV User Manual

Page 3

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7. An ESD service kit (available from commercial sources)

may also be used to prevent ESD damage.

CARE AND MAINTENANCE

For continuing high performance and to minimize possible furnace
failure, it is essential that maintenance be performed annually.
Consult your local dealer for maintenance and maintenance
contract availability.

WARNING:

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal
injury or death.
Turn off the gas and electrical supplies to the unit before
performing any maintenance or service. Follow the oper-
ating instructions on the label attached to the furnace.

The minimum maintenance that should be performed on this
equipment is as follows:

1. Check and clean or replace air filter each month as needed.

2. Check blower motor and wheel for cleanliness annually.

3. Check electrical connections for tightness and controls for

proper operation each heating season. Service as necessary.

4. Check for proper condensate drainage. Clean as necessary.

5. Check for blockages in combustion-air and vent pipes

annually.

6. Check burners for cleanliness annually.

I.

CLEANING AND/OR REPLACING AIR FILTER

The air filter arrangement may vary depending on the application
or orientation.

WARNING:

FIRE, CARBON MONOXIDE AND

POISONING HAZARD
Failure to follow this warning could result in fire,
personal injury, or death.
Never operate unit without a filter or with the blower
access panel removed. Dust and lint on internal parts in
furnace can cause a loss of efficiency.

NOTE:

If the filter has an airflow direction arrow, the arrow must

point toward the blower.

To clean or replace filters, proceed as follows:

If filter is installed in filter cabinet adjacent to furnace:

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.

If filter is installed in furnace blower compartment:

1. Turn off electrical supply to furnace.

2. Remove main furnace door and blower access panel.

3. Release filter retainer wire. (See Fig. 3 or 4.)

NOTE:

Filters shown in Fig. 3 and 4 can be in furnace blower

compartment or in filter cabinet, but not in both.

4. Slide filter out of furnace.

5. Furnaces are equipped with permanent, washable filter(s).

Clean filter by spraying cold tap water through filter in
opposite direction of airflow.

6. Rinse filter and let dry. Oiling or coating filter is not

recommended.

7. Slide filter into furnace.

8. Recapture filter retaining wire.

9. Replace blower access panel and main furnace door.

II.

BLOWER MOTOR AND WHEEL MAINTENANCE

To ensure long life, economy, and high efficiency, clean accumu-
lated dirt and grease from blower wheel and motor annually.

The inducer and blower motors are pre-lubricated and require no
additional lubrication. These motors can be identified by the
absence of oil ports on each end of the motor.

WASHABLE
FILTER

FILTER
SUPPORT

FILTER
RETAINER

WASHABLE FILTER OR
DISPOSABLE MEDIA FILTER
IN FILTER CABINET

A00232

Fig. 3—Bottom Filter Arrangement

FILTER
RETAINER

WASHABLE

FILTER

IN FURNACE

WASHABLE FILTER OR
DISPOSABLE MEDIA
FILTER IN FILTER CABINET

A00233

Fig. 4—Filter Installed for Side Inlet

—3—

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