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22
PREVENTIVE MAINTENANCE
CAC Spot Coolers are designed to last a long time and to give maximum performance
and reliability with minimum maintenance. To prolong the life of the unit, regular
maintenance must be performed as specified below:
BLOWER MOTORS
The motors on all units have permanently lubricated bearings. No oiling is
necessary
FILTERS
A clogged filter will cause the unit to operate at greatly reduced efficiencies. We
recommend that the filters be inspected on a regular basis, every six weeks or less,
depending on the environment. The evaporator filter is located behind the return air grille
and can be easily removed and cleaned. The condenser filter is located on the backside
of the unit. The filters must be washed periodically as needed by placing them in a
dishwasher or soaking them in a solution of warm water and detergent for 10 minutes.
Then rinsing them clean with hot water and shaking excess moisture from filter.
CONDENSATE PUMP
Ordered as an accessory, or field-installed. When servicing pump, follow these steps.
1. Make certain that the unit is disconnected from the power source before attempting to
service or remove any component.
2. Be sure the floats move freely. Clean as necessary.
3. Remove the pump housing and check for obstructions. Clean as needed.
4. Clean the housing with warm water and mild soap when mineral deposits are visible.
5. Check the inlet and outlet piping. Clean as necessary. Be sure there are no restrictions
in the lines that would restrict flow.
GENERAL
When necessary maintenance steps outlined above are followed, the
air conditioner will provide long and reliable service. The refrigeration
and electrical circuits of the system should only be serviced by a fully
qualified service technician.
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