52
7. RELEASE BLOWER ACCESS DOOR SWITCH,
reattach wire to “R” terminal on furnace control board,
replace blower access door, and replace outer access door.
Care and
Maintenance
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
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
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.
!
WARNING
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.
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 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 with filter access
door removed.
!
WARNING
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.
CAUTION
!
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 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 rust, corrosion, 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 arrangement will vary depending on the application.
NOTE: If the filter has an airflow direction arrow, the arrow
must point towards the blower.
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.
CAUTION
!
Media cabinet filter procedures:
NOTE: Media cabinet is included with variable speed furnace.
Table 13 – 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
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--inch 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 13 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 accessory KGAFR0301ALL external filter
rack, See Table 13.
6. Slide filter into cabinet.
7. Replace filter cabinet door.
8. Turn on electrical supply to furnace.
315A
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