Aprilaire Work Light 1730A User Manual

Model 1730A Compact Dehumidifier  
Owner’s Manual  
PLEASE LEAVE THIS MANUAL WITH THE HOMEOWNER  
Installed by:____________________________________ Installer Phone: _____________________ Date Installed:______________  
Model 75 Control  
Filter Access Door  
Alternate  
Outlet Location  
On/Off Switch  
Wire Access Door  
Status LEDs  
Outlet  
Inlet  
Power Cord  
Drain  
CAUTION  
1. Do not use solvents or cleaners on or near the display or circuit board.  
2. Unplug the dehumidifier before servicing. Sudden operation may cause personal injury or property damage.  
PRINCIPLE OF OPERATION  
Your Aprilaire® Whole-Home Dehumidifier installs as part of your home’s central heating and cooling system, removing excess moisture and  
reducing the damage that mold and mildew can have on the sustainability of your home and the health of your family. The Model 75 digital  
control constantly monitors and displays the relative humidity of the air in your home and controls it to the level you set, putting you in control  
of your comfort.  
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TURNING CONTROL ON/OFF  
• Pressing the ON button will turn on the control.  
FIGURE 3 – ON/OFF Buttons  
• Pressing the OFF button will turn off the control.  
• The control will continue to display the measured humidity when OFF.  
• The humidity setting cannot be changed when the control is OFF.  
CHANGING THE HUMIDITy SETTING  
• The first press of either the  
or  
button will display the humidity setting on  
the LCD.  
FIGURE 4 – UP/DOWN Buttons  
FIGURE 5 – Humidity Setting Screen  
• Each subsequent push of the up or down  
buttons will change the setting by 1%.  
• If a button is held down, the setting  
will continually change by 1% every  
1/2 second for as long as the button is  
pressed.  
90-1637  
• The control will exit the humidity setting  
screen 5 seconds after the last button  
press/release.  
HOW DOES THE CONTROL WORK?  
• When the measured humidity is greater than the setting, the control will turn on the dehumidifier and ON will blink on the LCD display.  
• When the measured humidity falls 3% below the setting, the control will turn off the dehumidifier and ON will stop blinking, but remain  
displayed on the LCD.  
CONTROL LIMITS  
The control limits are used to make sure the dehumidifier does not run when conditions are outside of the operating limits. Dehumidifiers are not  
as effective when conditions are outside of the operating limits. For example, the dehumidifier will not remove much moisture when conditions  
are cool and dry. Control limits allow the dehumidifier to work efficiently within the operating range and turn off when conditions are outside of  
these limits.  
• Dew Point Lower Limit: 40°F  
• Temperature High Limit: 99°F  
SEQUENCE OF OPERATION  
• The dehumidifier will turn off if one of the control limits has been exceeded.  
• If the control measures a dew point below 40°F OR a temperature above 99°F, the control will deactivate the dehumidifier output if actively  
dehumidifying, the dehumidifier will stop dehumidifying, and ON and will blink on the LCD screen (see Figure 2).  
*
• The control will resume normal operation when conditions fall back within the control limits.  
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MAINTENANCE  
AIR FILTER  
The air filter in the dehumidifier should be cleaned or replaced once per year. A clean filter allows the dehumidifier to run at full capacity and  
prevents damage to the dehumidifier. To remove the filter, unplug or disconnect power to the dehumidifier. Remove the filter by removing the  
filter access door on the side of the unit. The filter can be cleaned by flushing with warm water and a detergent solution. Allow the filter to  
dry before reinstalling in the dehumidifier. Reinsert the cleaned or new filter, replace the filter access door and reconnect power/turn on the  
dehumidifier. A replacement filter, Model 4904, is available from your installing contractor or from most HVAC contractors in your area.  
DRAIN  
The drain and drain hose should be checked and cleaned of debris annually.  
CONTROL  
The surface of the Model 75 Dehumidifier Control can be cleaned with water or a non-abrasive household cleaner, including glass cleaner. Do  
not spray any liquid directly onto the control. Spray water or a cleaner onto a soft cloth and gently wipe the surface of the control.  
LIMITED WARRANTy  
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.  
WARRANTy REGISTRATION  
Please… Take a few minutes to 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, product purchased and date of purchase to:  
Research Products Corporation, P.O. BOX 1467, Madison, WI 53701  
Thank you!  
yOUR WARRANTy REGISTRATION INFORMATION WILL NOT BE SOLD OR SHARED OUTSIDE OF THIS COMPANy.  
P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 • www.aprilaire.com  
10009291 4.11  
B2205368A  
Printed in U.S.A.  
© 2011 Aprilaire – A division of Research Products Corporation  
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