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AIR CONDITIONER MAINTENANCE

 WARNING:

This air conditioner contains liquid and gaseous 
refrigerant under pressure. Installation and 
servicing should only be attempted by qualified, 
trained personnel thoroughly familiar with the 
equipment and safe responsible refrigerant 
handling procedures. Failure to comply with 
this warning could result in equipment damage, 
personal injury, or death.

 WARNING:

To prevent electrical shock, personal injury, 
or death, disconnect all electrical power to 
the unit before performing any maintenance 
or service. The unit may have more than one 
electrical supply.

 CAUTION:

DO NOT touch any of the internal electrical 
components while cleaning the unit.

Proper maintenance is important to achieve optimum 
performance from the air conditioner. The ability to properly 
perform maintenance on this equipment requires certain 
mechanical skills and tools. If you do not possess these 
skills, contact your dealer for maintenance. Consult your 
local dealer about the availability of maintenance contracts. 
Routine maintenance should include the following:

Regular Cleaning

 CAUTION:

DO NOT touch any of the internal electrical 
components while cleaning the unit.

•  The area around the unit and the vicinity of any other  

appliances must be kept clear and free of combustible 
materials, gasoline, and other flammable vapors and 
liquids. Do not store or use flammable items such as 
gasoline, paint, varnish, or strippers in the vicinity of 
the unit.

•  Keep the outdoor unit clean. Hose off periodically and 

keep unit fins clear of leaves and grass clippings. 

Be 

careful not to damage the aluminum fins

. Clean 

the outdoor coil and fins as necessary using a mild 
detergent and water. Rinse thoroughly with water.

•  Keep the outdoor unit clear of obstructions. DO NOT 

obstruct airflow with tall plants or shrubs. Check for and 
remove any obstructions such as twigs, sticks, etc.

•  Inspect the condensate drain and outdoor coil at the 

beginning of each cooling season. Remove any debris. 

Air Filters

 WARNING:

Never operate the unit without a filter in the 
return air system. Dust and lint in the return 
air can build up on the internal components, 
resulting in loss of efficiency, equipment 
damage, and possible fire risk.

•  Inspect and clean or replace air filters at the beginning 

of each heating and cooling season, or more frequently 
if required. A clogged filter could cause airflow related 
problems and reduce the overall efficiency of your unit. 

Always replace disposable filter(s) installed in your 
system only with the same size dimensional filters 
that are being replaced.

•  Never operate the appliance without a filter installed in 

the return air duct. Inspect filters frequently and replace 
when necessary with filter of same dimensional size.

TROUBLESHOOTING

Before you call a Technician, check the following:
•  Check the thermostat setting. Make sure the system 

mode and temperature settings are correct.

•  Check the electrical panel for tripped circuit breakers. 
•  Check the filters for dust accumulation.
•  Check the unit and make sure it is clean and not 

covered with grass or leaves.

•  If the items above don’t resolve your problems, then 

call your nearest service technician.

WARRANTY INFORMATION

A warranty certificate with full details is included with the 
equipment. Carefully review these responsibilities with 
your dealer or service company. The manufacturer will not 
be responsible for any costs found necessary to correct 
problems due to improper setup, improper installation, 
adjustments, improper operating procedure on the part 
of the user, etc. 

Some specific examples of service calls which are not 
included in the limited warranty are:
•  Correcting wiring problems in the electrical circuit 

supplying the equipment.

•  Resetting circuit breakers or other switches.
•  Adjusting or calibrating of thermostat.

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