Carrier DELUXE 58DXC - Manual (Page 2)

CARE AND MAINTENANCE
For continuing high performance and to minimize possible equip­
ment failure, it is essential that maintenance be performed annually
on this equipment. Consult your local dealer for maintenance and
the availability of a maintenance contract.
A WARNING
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. Failure to
follow this warning could result in personal injury.
The minimum maintenance that should be performed on this
equipment is as follows:
1. Check and clean or replace air filter each month as required.
2. Check blower motor and wheel for cleanliness and lubrication
each heating and cooling season. Clean and lubricate as
necessary. (See Step 2.)
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 of combustion-air and vent pipes.
A CAUTION
As with any mechanical equipment, personal injury could
result from sharp metal edges, etc. Be careful when removing
parts.
Step 1—Air Filter Cleaning and Replacement
The air filter anangement may vary depending on the application.
A CAUTION
Never operate unit without a filter or with filter access door
removed. Failure to follow this warning could result in a fire
or personal injury.
DOWNFLOW FURNACES ONLY - Each furnace accommo­
dates 2 filters which are installed in the return-air duct. (See Fig.
3.) To clean or replace the filters, proceed as follows:
1. Turn OFF electrical supply to unit.
2. Remove blower access door.
Fig.
4
—Filter Installed for Bottom Inlet in Upflow
Furnace
Fig. 3—Position of Filters in Downflow Furnace
A91109
Fig. 5—Filter Installed for Side Inlet in Upflow
Furnace
3. Reaching up behind top plate, tilt filters toward center-of
return-air plenum, remove filters, and replace or clean as
needed.
4. Furnaces are equipped with permanent, washable filters. Clean
these filters by spraying cold tap water through filter in
opposite direction of airflow.
5. Rinse filters and let dry. Oiling or coating of filters is not
recommended.
6. Reinstall filters with cross-mesh binding facing blower.
7. Replace access door.
8. Turn ON electrical supply to furnace.
UPFLOW FURNACES ONLY - To clean or . replace the air
filter, proceed as follows:
1. Turn OFF electrical supply to unit.
2. Remove access doors.
3. Release filter retainer spring from behind flange of furnace
casing. (See Fig. 4 and 5.)
4. Slide filter out.
5. Furnaces are equipped with permanent, washable filters. Clean
filter by spraying cold tap water through filter in opposite
direction of airflow.
6. Rinse filter and let dry. Oiling or coating of filter is not
recommended.
7. Place filter in furnace with cross-mesh binding either up or
facing blower.
8. Replace access doors.
9. Turn ON electrical supply to furnace.
WA