4
condenser--or evaporator--fan bearings or motors is required
or recommended.
Indoor and Outdoor Coils
Cleaning of the coils should only be done by qualified service
personnel. Contact your dealer for the required annual
maintenance.
Condensate Drain
The drain pan and condensate drain line should be checked
and cleaned at the same time the cooling coils are checked
by your dealer.
Compressor
All compressors are hermetically sealed and do not require
periodic maintenance.
Condenser Fan
PERSONAL INJURY AND UNIT DAMAGE HAZARD
Failure to follow this warning could result in personal injury,
death or property damage.
Do not insert sticks, screwdrivers, or any other object into
revolving fan blades.
!
WARNING
The fan must be kept free of all obstructions to ensure proper
cooling. Contact your dealer for any required service.
Electrical Controls and Wiring
Electrical controls are difficult to check without proper
instrumentation. If there are any discrepancies in the
operating cycle, contact your local dealer and request
service.
Refrigerant Circuit
The refrigerant circuit is difficult to check for leaks without the
proper equipment. If inadequate cooling is suspected,
contact your local dealer for service.
EXPLOSION, BURN AND ENVIRONMENTAL HAZARD
Failure to follow this warning could result in personal injury,
death or property damage.
System under pressure. Relieve pressure and recover all
refrigerant before system repair or final unit disposal. Use
all service ports and open all flow--control devices,
including solenoid valves.
!
WARNING
Unit Panels
After performing any maintenance or service on the unit, be
sure all panels are fastened securely in place to prevent rain
from entering unit cabinet and to prevent disruption of the
correct unit airflow pattern.
REGULAR DEALER MAINTENANCE
In addition to the type of routine maintenance you might be
willing to perform, your unit should be inspected regularly by
a properly trained service technician. An inspection
(preferably each year, but at least every other year) should
include the following:
1. Inspection and, if required, cleaning of the indoor coil
condensate drain.
2. Inspection and, if required, cleaning of the evaporator
drain pan.
3. Inspection and cleaning of blower wheel housing and
motor.
4. Inspection of all supply--air and return--air ducts for
leaks, obstructions, and insulation integrity. Any
problems found should be resolved at this time.
5. Inspection of the unit base to ensure that no cracks,
gaps, etc., exist which may cause a hazardous condition.
6. Inspection of the unit casing for signs of deterioration.
7. Inspection of all electrical wiring and components to
ensure proper connection.
8. Inspection for leaks in the refrigerant circuit.
Pressure--check to determine appropriate refrigerant
charge.
9. Operational check of the unit to determine working
conditions. Repair or adjustment should be made at this
time.
Your servicing dealer may offer an economical service
contract that covers seasonal inspections. Ask for further
details.
Complete service instructions can be found in the unit
Installation, Start--up and Service Instructions.
Warranty Certificate
Your unit has a limited warranty. Be sure to read the warranty
carefully to determine the coverage for your unit.
Before you call for service...
...check for several easily--solved problems.
If insufficient heating or cooling is suspected:
( ) Check for sufficient airflow.
( ) Check the air filter for dirt.
( ) Check for blocked return--air or supply--air grilles. Be sure
they are open and unobstructed. If these checks do not
reveal the cause, call your servicing dealer.
If your unit is not operating at all, check the following list
for easy solutions:
(
) Check to be sure that your thermostat temperature
selector is set below the indoor temperature during the
cooling season. Be sure the SYSTEM switch or MODE
control is in the COOL position and not in the OFF position.
( ) If your unit still fails to operate, call your servicing dealer
for troubleshooting and repairs. Specify the model and serial
numbers of your unit. (Record them in this manual in the
space provided.) If the dealer knows exactly which unit you
have, he may be able to offer suggestions over the phone,
or save valuable time through knowledgeable preparation for
the service call.
In Case of Trouble
If you perform the steps above and unit performance is still
unsatisfactory, shut off the unit and call your dealer.
