Slimline LS
www.whisperkool.com | Page 19
MAINTENANCE SCHEDULE
Monthly
1. Check for unusual noise or vibration
2. Check the drain line to see if it is above the waterline (if draining into a vessel)
3. Check the external drain line to make sure there are no clogs or obstructions. if drain line is clogged,
blow out with compressed air. Or, clear out with garden hose and pressure spray nozzle.
Quarterly
1. Clean front and rear intake grilles
2. Inspect Condensate Heater Tray for corrosion or obstructions.
3. Remove front and rear panels to clean coils. You can run a vacuum brush attachment over the coils
while the unit is off or blow out the coils with compressed air while the unit is running. If you do not
have an air compressor, you may use compressed air from a can.
Annually
1. Use a vacuum with brush attachment to clean grilles
2. Inspect for corrosion
3. Check wiring connections and integrity of cords
4. Pour a 50/50 bleach solution into the drain line every spring
5. Disconnect drain line from spout and clear out spout or (orifice) with pipe cleaner or like object.
** Ensure power is off and fan has completely stopped before removing grilles for servicing the unit. Never insert
fingers or any foreign objects into the blower openings.
