Regular Dealer Maintenance - Carrier 38TDA Operating And Maintaining

BEFORE YOU REQUEST A SERVICE CALL
BEFORE YOU CALL FOR SERVICE, CHECK FOR
THESE EASILY SOLVED PROBLEMS:
• Check the indoor and outdoor disconnect switches. Verify that
circuit breakers are on or that fuses have not blown.
• Check for sufficient airflow. Check the air filter(s) for any
accumulations of dirt. Check for blocked return-air or supply-
air grilles. Be sure grilles are open and unobstructed.
• Check the settings on your indoor thermostat. If you desire
cooling, see that the temperature set point is set below room tem-
perature and the MODE is set to COOL or AUTO. If you require
heat, be sure the desired temperature set point is set above room
temperature and the MODE is HEAT or AUTO. The FAN
should be set to ON for continuous blower operation or AUTO
if you wish blower to function only while the unit is operating.
• Check note concerning special features and time delays in
"Operating Your Air Conditioner" section.
If your comfort system still fails to operate, contact your servic-
ing dealer for troubleshooting and repairs. Specify your apparent
problem, and state the model and serial numbers of your equip-
ment. (You should have them recorded on page 6 of this book-
let.) With this information, your dealer may be able to offer
helpful suggestions over the phone or save valuable time through
knowledgeable preparation for the service call.

REGULAR DEALER MAINTENANCE

In addition to the routine mainte-
nance that you perform, your
home comfort system should be
inspected regularly by a properly
trained service technician. The
inspection (preferably each year,
but at least every other year)
should include the following:
• Routine inspection of air filter(s). Replacement or cleaning as
required.
• Inspection and cleaning of the blower wheel, housing, and
motor.
• Inspection and, if required, cleaning of indoor and outdoor
coils.
• Inspection of the indoor coil drain pan, plus the primary and
secondary drain lines. If supplied, the auxiliary drain pan and
line should be inspected at this time. Service should include
cleaning if required.
• A check of all electrical wiring and connections.
• A check for secure physical connections of individual compo-
nents within units.
• Operational check of the air conditioning system to determine
actual working condition. Necessary repair and/or adjustment
should be performed at this time.
Your servicing dealer may offer an economical service contract
that covers seasonal inspections. Ask for further details.
FOR THE RECORD
Record the model, product, and serial numbers of your new
equipment in the spaces provided. This information, along with
the other ready-reference facts requested, will be necessary if
you ever require information or service.
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