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WM&FD TWIN
051019
MAINTENANCE SCHEDULE
Monthly
1. Check coils
2. Check for unusual noise or vibration
3. Check the drain lines to see if they are above the waterline (if draining into a vessel)
Quarterly
1. Use a vacuum with brush attachment to clean coils; be careful not to crush coil fins when cleaning
2. Change duct filters if the system is ducted
Annually
1. Inspect for corrosion
2. Check wiring connections and integrity of cords
3. Pour a 50/50 bleach solution into the drain lines every spring