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Page 18 SL 072710
MAINTENANCE SCHEDULE
Monthly 1. Check lters
2. Check for unusual noise or vibration
Quarterly Clean lters:
1.
Remove grille 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.