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Courtesy of Wikipedia |
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Unit opened up |
Check the condition of the cooling pads. Your cooler will run more efficiently if the pads are clean. Consider replacing the cooler pads every 6 months, if you’re only using your cooler during the summer months this might mean you only need to change them every other summer.
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Pump and float |
Check to be sure the motor, pump and float are working properly. If the float sticks the water will not shut off causing the unit to overflow, wasting water and potentially causing damage to adjacent structures.
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Water supply and valve |
Check the water line and all connections to be sure there are no leaks. Especially if your unit is located on the roof and the water line runs through your attic space.
Check the water level. The water should be about an inch below the top of the bottom tray. If the water level is too high or too low adjust the float.
Remember to clean out the entire unit and oil any moving parts prior to shutting down or starting up the system each season.