Maintenance - Aprilaire 1850F Installation And Operating Manual

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MAINTENANCE

CLEAN OR REPLACE THE AIR FILTER
After initial installation the air filter should be checked and cleaned every 6 months.
The CLEAN FILTER service reminder will display on the on-board control screen every 6 months.
To clear the service message, press the UP and DOWN arrows simultaneously for 3 seconds.
Filter Cleaning Procedure
1. Turn the ON/OFF switch OFF.
2. Remove the filter access door from either side of the dehumidifier.
3. Slide the filter out of the dehumidifier.
4. Flush the filter with warm water and a mild detergent solution.
5. Shake off the excess water from the filter.
6. Replace the filter, making sure the filter is secured in both the top and bottom filter rails.
7. Replace the filter access door.
8. Turn the ON/OFF switch ON.
9. Press the UP and DOWN buttons simultaneously for 3 seconds to clear the service message.
CHECK THE DRAIN
The drain should be checked annually to ensure there are no blockages or air lock in the drain system. If the unit is not draining properly, have it
checked by a qualified service professional.
Do not use spray solvents or cleaners on or near the inlet side of the dehumidifier.
6
CAUTION
If desired, apply cleaner to a cloth and use to clean the cabinet.
90-1854

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