Troubleshooting guide

Page 27
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.