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Model 8120 Ventilation Controller
Owner’s Manual
Includes Safety & Operating Instructions
and Warranty Information
READ AND SAVE THESE INSTRUCTIONS
10005994 11.06
B2203172B
IV. LIMITED WARRANTY
Your Research Products Corporation Aprilaire
®
Ventilation Controller 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 the
Controller 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 installation date of the Controller.
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 CONTROLLER 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
1015 E.WASHINGTON AVE.• MADISON, WI 53703 • PHONE:608/257-8801 • FAX:608/257-4357 • www.aprilaire.com
If the ‘TIME ONLY’ resistor is used in place of the Outdoor Temperature Sensor, the Controller’s
operation is determined by the adjustable timer settings only – the Controller does not limit
the operation based on the temperature and humidity limits shown in Figure 3.
If a jumper wire is used in place of the Outdoor Temperature Sensor, the Controller will
disregard the temperature setting and base the ventilation on the indoor relative humidity
and the user-adjustable timer settings. In this application, the Controller will not ventilate
when the indoor relative humidity rises above 55%.
WARNING
120 volts may cause
injury from electrical shock. Disconnect
power before servicing.
CAUTION
Sudden operation
may cause personal injury or property
damage. Turn Ventilation Controller to
“OFF” before servicing.
Ventilation Controller
Thank you!
Your Warranty Registration information will not be sold or shared outside of this company.