Bryant 310AAV, 310JAV warranty Filter Size Information, Blower Motor and Wheel, Type

3.	Check electrical connections for tightness and controls for		BLOWER MOTOR AND WHEEL
	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		Blower access door switch opens 115-v power to control. No
	furnace and burner serviced by a qualified professional.		component operation can occur unless switch is closed.
5.	Inspect the vent pipe/vent system before each heating season		Caution must be taken when manually closing this switch for
	for rust, corrosion, water leakage, sagging pipes or broken		service purposes. Failure to follow this warning could result
	fittings. Have vent pipes/vent system serviced by a qualified		in personal injury or death.
	professional.

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 acces-	The blower wheel should not be dropped or bent as balance
	will be affected.
sory instructions.

CLEANING AND/OR REPLACING AIR FILTER	The following steps should be performed by a qualified service
The air filter arrangement may vary depending on the application.	technician.
The filter is exterior to the furnace casing.	To ensure long life and high efficiency, clean accumulated dirt and
NOTE: If the filter has an airflow direction arrow, the arrow must	grease from blower wheel and motor annually.
	The inducer and blower motors are pre-lubricated and require no
point towards the blower.
	additional lubrication. These motors can be identified by the
	absence of oil ports on each end of the motor.

Personal injury can result from sharp metal edges, etc. Be careful when removing parts. Gloves and safety glasses should be worn when servicing equipment

Media cabinet filter procedures:

NOTE: Media cabinet or 1″ Filter Rack are accessories and are not included from the factory with the standard furnace model.

1.Turn off electrical supply to furnace before removing filter access door.

2.Remove filter cabinet door.

3.Slide filter out of cabinet.

4.If equipped with permanent, washable 1″ 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. See Table 9 for size information.

5.If equipped with factory-specified disposable media filter, replace only with media filter having the same part number and size. For expandable replacement media, refer to the instructions included with the replacement media. If equipped with KGAFR0301ALL external filter rack, See Table 9.

6.Slide filter into cabinet.

7.Replace filter cabinet door.

8.Turn on electrical supply to furnace.

Table 9—FILTER SIZE INFORMATION (IN.)

FURNACE	FILTER QUANTITY AND SIZE		FILTER
CASING WIDTH	Side Return	Bottom Return	TYPE
14-1/2	(1) 16 X 25 X 1	(1) 14 X 25 X 1	Cleanable*
17-1/2	(1) 16 X 25 X 1	(1) 16 X 25 X 1	Cleanable*
21	(1) 16 X 25 X 1	(1) 20 X 25 X 1	Cleanable*
24**	(1) 16 X 25 X 1	(1) 24 X 25 X 1	Cleanable*

*Recommended

**Some furnaces may have 2 filters

Clean blower motor and wheel as follows:

1.Turn off electrical supply to furnace.

2.Unscrew the thumbscrew on outer door and remove outer door.

3.For downflow or horizontal furnaces having vent pipes within the furnace that pass in from of the blower access door:

a.Disconnect vent connector from furnace vent elbow.

b.Disconnect and remove short piece of vent pipe from within furnace.

4.Remove 2 screws from blower access door and remove blower access door.

5.Disconnect blower leads from furnace control. Note wire color and location for reassembly. All other factory wires can be left connected, but field thermostat connections may need to be disconnected depending on their length and routing.

6.Remove 2 screws from control box to blower shelf.

7.Hang control box from front of furnace casing and away from blower compartment.

8.Remove 2 screws holding blower assembly to blower deck and slide blower assembly out of furnace.

9.Clean blower wheel and motor using a vacuum with soft brush attachment. Blower wheel blades may be cleaned with a small paint or flux brush. Do not remove or disturb balance weights (clips) on blower wheel blades.

10.Vacuum any loose dust from blower housing, wheel and motor.

11.If a greasy residue is present on blower wheel, remove wheel from the blower housing and wash it with an appropriate degreaser. To remove wheel:

NOTE: Before disassembly, mark blower motor, and blower housing so motor and each arm is positioned at the same location during reassembly.

a. Disconnect capacitor wires and ground wire attached to blower housing.

b. Remove screws securing cutoff plate and remove cutoff plate from housing.

c.Loosen set screw holding blower wheel on motor shaft.

d.Remove bolts holding motor to blower housing and slide motor out of wheel.

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