e. After component test is completed, one or more status
codes (11, 25, or 41) will flash. See component test section
of service label for explanation of status codes.
NOTE:
To repeat component test, turn setup switch SW1-6 OFF
then back ON.
f. Turn setup switch SW1-6 OFF.
7. RELEASE BLOWER ACCESS DOOR SWITCH, reattach
wire to “R” terminal on furnace control board, replace blower
access door, and replace burner access door.
Step 2—Care and Maintenance
Never store anything 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 com-
pounds, 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.
A failure to follow this warning could result in corrosion of
the heat exchanger, fire, personal injury, or death.
For continuing high performance and to minimize possible equip-
ment failure, periodic maintenance must be performed on this
equipment. Consult your local dealer about proper frequency of
maintenance and the availability of a maintenance contract.
Turn off the gas and electrical supplies to the unit before
performing any maintenance or service. Follow the operating
instructions on the label attached to the furnace. A failure to
follow this warning could result in personal injury.
Never operate unit without a filter or with filter access door
removed. A failure to follow this warning could result in fire,
personal injury, or death.
Personal injury can result from sharp metal edges, etc. Be
careful when removing parts. Gloves and safety glasses
should be worn when servicing equipment
The minimum maintenance on this equipment 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 burner compartment before each heating season for
rust, corrosion, soot or excessive dust. If necessary, have
furnace and burner serviced by a qualified professional.
5. Inspect the vent pipe/vent system before each heating season
for rust, corrosion, water leakage, sagging pipes or broken
fittings. Have vent pipes/vent system serviced by a qualified
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-
sory instructions.
CLEANING AND/OR REPLACING AIR FILTER
The air filter arrangement may vary depending on the application.
NOTE:
If the filter has an airflow direction arrow, the arrow must
point towards the blower.
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 is included with variable speed furnace.
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 12 for size information.
Table 12—FILTER SIZE INFORMATION (IN.)
FURNACE
CASING WIDTH
FILTER SIZE
FILTER
TYPE
Side Return
Bottom Return
14-1/2
16 X 25 X 1
14 X 25 X 1
Cleanable*
17-1/2
16 X 25 X 1
16 X 25 X 1
Cleanable*
21
16 X 25 X 1
20 X 25 X 1
Cleanable*
24
16 X 25 X 1
24 X 25 X 1
Cleanable*
* Recommended
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 accessory KGAFR0301ALL external filter rack, See
Table 12.
6. Slide filter into cabinet.
7. Replace filter cabinet door.
8. Turn on electrical supply to furnace.
BLOWER MOTOR AND WHEEL
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. Failure to follow this warning could result
in personal injury or death.
The blower wheel should not be dropped or bent as balance
will be affected.
The following steps should be performed by a qualified service
technician.
To ensure long life and high efficiency, clean accumulated dirt and
grease from blower wheel and motor annually.
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