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CAUTION
Do not use spray solvents or cleaners on or near the inlet side of the dehumidifier.
If desired, apply cleaner to a cloth and use to clean the cabinet.
MAINTENANCE
CLEAN OR REPLACE THE AIR FILTER
After initial installation, check the air filter after 6 months.
If it appears matted with dust, pet hair or other debris,
maintain a 6-month cleaning schedule. If it appears
clean or lightly loaded, maintain a 12-month cleaning
schedule. Replacement filters are Aprilaire Part No. 4510
and can be purchased from your installing contractor.
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 – make sure the filter seats in both
the top and bottom filter rails.
7. Replace the filter access door.
8. Turn the ON/OFF switch ON.
CHECK THE DRAIN
The drain should be checked annually to ensure there is no blockage or air lock in
the drain system. If the unit is not properly draining, have it checked by a qualified
service professional.
Procedure to Check Drain System
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
to expose the evaporator coil.
4. Slowly pour a pint of water into the
dehumidifier drip pan near the bottom
of the evaporator coil so that the
water flows into the drain pan.
5. Check where the drain piping flows
into the floor drain. If water does
not flow out, the unit is not properly
draining.
6. Turn on the ON/OFF switch ON.
LIMITED WARRANTY
90-1558
WARRANTY REGISTRATION
P.O.Box1467•Madison,WI53701-1467•Phone:800/334-6011 •Fax:608/257-4357•www.aprilaire.com
10009844 2.12
B2205732A
Printed in U.S.A.
© 2012 Aprilaire – A division of Research Products Corporation
Your Research Products Corporation Aprilaire
®
Dehumidifier is expressly warranted for five (5) years from date of installation to be free from defects in materials or workmanship.
Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a replacement for any component which is found to be defective within such five (5) year period
and which is returned not later than thirty (30) days after said five (5) year period by you to either your original supplier or to Research Products Corporation, Madison, Wisconsin 53701, together with the
model number and installation date of the dehumidifier.
THIS WARRANTY SHALL NOT OBLIGATE RESEARCH PRODUCTS CORPORATION FOR ANY LABOR COSTS AND SHALL NOT APPLY TO DEFECTS IN WORKMANSHIP OR MATERIALS FURNISHED BY YOUR
INSTALLER AS CONTRASTED TO DEFECTS IN THE DEHUMIDIFIER ITSELF.
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID FIVE YEAR PERIOD. RESEARCH PRODUCTS
CORPORATION’S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, OTHER THAN DAMAGES FOR PERSONAL INJURIES, RESULTING FROM ANY BREACH OF THE AFORESAID IMPLIED
WARRANTIES OR THE ABOVE LIMITED WARRANTY IS EXPRESSLY EXCLUDED. THIS LIMITED WARRANTY IS VOID IF DEFECT(S) RESULT FROM FAILURE TO HAVE THIS UNIT INSTALLED BY A QUALIFIED
HEATING AND AIR CONDITIONING CONTRACTOR. IF THE LIMITED WARRANTY IS VOID DUE TO FAILURE TO USE A QUALIFIED CONTRACTOR, ALL DISCLAIMERS OF IMPLIED WARRANTIES SHALL BE
EFFECTIVE UPON INSTALLATION.
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above exclusion or limitations may not apply to you.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
Visit us on-line at www.aprilaire.com to register your Aprilaire product. If you do not have on-line access, please mail a postcard with your
name, address, phone number, email address, product purchased, model number, date of purchase and dealer name and address to:
Research Products Corporation, P.O. Box 1467, Madison, WI 53701
Your Warranty Registration information will not be sold or shared outside of this company.
EVAPORATOR
COIL
DRIP PAN
FILTER RAIL
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