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PREVENTIVE MAINTENANCE
OWC QC is 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:
OFF SEASON STORAGE—WINTERIZATION
Before placing the unit into storage for the off-season, it is recommended to thoroughly clean the unit,
and remove all water in the CONDENSER COIL, WATER LINES, DRAIN PAN and CONDENSATE PUMP
to avoid damage to the unit from freezing water or
contamination.
DRAINING THE CONDENSER COIL, AND INTERIOR WATER LINES
To drain the condenser coil, detach the WATER IN and WATER OUT lines. Using a Shop-Vac or
similar devise, vacuum the WATER OUT line and start the unit. The water valve will open, allowing
you to vacuum the water out of the condenser coil. Eventually, the High Pressure Cut-Out will shut
down the compressor. Wait 15 minutes, depress the HI-PRESSURE RESET and repeat this process
until ALL of the water is out of the system. When completed, depress the HIGH PRESSURE RESET one
final time to make sure that it is reset.
DRAINING THE HOSE KIT
To drain the hose kit, disconnect all hoses, connect lanyard fitting, and allow the hoses to gravity
drain.
EVACUATING THE CONDENSATE PUMP
Using a Shop-Vac or similar device, vacuum all water out of the condensate pump
reservoir. Condensate pumps come standard on all OWC models. 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 assembly and check for obstructions. Clean as needed.
4. Clean the reservoir 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 kinks in the lines that
would inhibit flow.
CLEANING THE UNIT
Wash evaporator coil and allow the unit to dry completely.
BLOWER MOTOR
The evaporator motor on all units have permanently lubricated bearings. No oiling is Necessary.
FILTER
A clogged filter will cause the unit to operate at greatly reduced efficiencies. We recommend that
the filter 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 filter must be washed periodically as needed by placing it in a dishwasher or soaking in a
solution of warm water and detergent for 10 minutes. Then rinsing clean with hot water and
shaking excess moisture from filter.
GENERAL
Oceanaire products are NOT approved for outdoor use. Therefore, off-season storage should be
When necessary maintenance steps outlined above are
indoor, protected from weather conditions.
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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