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Page 30 PT-EXPL 072010
MAINTENANCE SCHEDULE
Monthly 1. Check lters
2. Check for unusual noise or vibration
Quarterly Clean lters:
1.
Remove grille/ducting on both ends of unit.
2. Remove the lter covering the coil.
3. Wash with warm water
4. Dry o lter by shaking excess water from lter.
Annually
1. Replace lters if worn or plugged beyond cleaning.
2. Use a vacuum with brush attachment to clean coils. Be careful not to crush coil ns
when cleaning.
3. Inspect for corrosion.
4. Check wiring connections and integrity of cords.
5. Examine duct work for cracks or possible leaks.