ROUTINE MAINTENANCE
You can do some of the periodic maintenance functions for
the unit yourself; this includes replacing (disposable) or
cleaning (permanent) the air filters, cleaning the cabinet,
cleaning the condenser coil, and conducting a general unit
inspection on a regular basis.
WARNING: BEFORE REMOVING UNITI
ACCESS PANELS TO SERVICE UNIT, OPEN UNITI
DISCONNECT SWITCH TO PREVENT INJURY ORI
DEATH DUE TO ELECTRICAL SHOCK OR CONTACT I
WITH MOVING PARTS. I
AIR FILTERS
It is very important to keep the central duct system air filters
clean. Be sure to inspect them at least once each month
when the system is in constant operation. (In new homes,
check the filters at least ever week for the first 4 weeks.)
If you have disposable-type filters replace them with new
filter of the same type and size. DO NOT ATTEMPT TO
CLEAN DISPOSABLE FILTERS.
NOTE: It may be necessary to replace permanent filter
annually if washing fails to clean the filter, or if the filter shows
signs of deterioration. Be sure to use the same type and size
as was originally installed.
UNIT CABINET
Even though the unit cabinet is designed to withstand
exposure to outdoor weather, you can extend the life of the
cabinet panel by cleaning and waxing then twice each year.
Application of a light coat of automobile wax is recom-
mended.
CONDENSER COIL
Unfiltered air circulates throughthe unitscondenser coil and
can cause the coil's surface to become clogged with dust,
dirt, etc. To clean the coil, vertically (i.e., with the fins) stroke
the coil surface with a soft-bristled brush.
Be sure to keep all vegetation away from the condenser coil
area.
GENERAL UNIT INSPECTION
Permanent-type filters can be cleaned bywashing them with
a mild detergent and water. Make sure that the filters are
thoroughly dry before reinstalling them in the unit. (or duct
system).
Occasionally check over the unit; look and listen for unusual
or abnormal operating characteristics. Do not remove any
access panels. If you suspect your unit is not operating
properly, contact a serviceman for instructions.
MAINTENANCE PERFORMED BY SERVICEMAN
COOLING SEASON HEATING SEASON
To keep your unit operating safely and efficiently, The
Company recommends that a qualified serviceman check
over the entire system at least once a year, and any other
time that you feel one is needed. Your serviceman may
examine these areas of the unit:
1. filters (for possible cleaning)
2. motors (condenser and evaporator motors are perma-
nently lubricated)
3. gaskets (for possible replacement)
4. refrigerant coils (for possible cleaning)
5. safety controls (for mechanical cleaning)
6. electrical components and wiring (for possible re-
placement and connectiontightness)
7. condensate drain (for possible cleaning)
8. inspect the unit duct connections to see that they are
physicallysound and sealed to the unit casing.
9. inspectthe unit mounting supportto see that it issound.
10. inspect the unit to see that there is no obvious unit
deterioration.
Complete the unit inspections and service routines de-
scribed below at the beginning of each heating season.
kWARNING: TOPREVE.TI.JURVORDEATH
DUETO ELECTRICALSHOCKOR CONTACTWITH MOVING
PARTS, LOCK UNIT DISCONNECT SWITCH IN OPEN
POSITIONBEFORE SERVICING UNIT.
/LWARNING: ToPREVENTA. EXPLOSION
ORPOSSIBLEINJURY,DEAT.ANDEQUIPMENTDAMAGE,
DO NOT STORE COMBUSTIBLE MATERIALS, GASOLINE
OR OTHER FLAMMABLE VAPORSOR LIQUIDSNEARTHE
UNIT.
These steps should ONLY be performed by qualified service
technicians.
1. Inspect the control panel wiring and heating controls to
make sure connections are tight and wiring insulation is
intact.
a. Turn the unit on and off at the thermostat to be sure
the ignition control and spark electrode are operating.
Dwg. No.21X660305 P02 5
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