Specification Sheet

Form No. 888 #254793 01.14
© 2014 Aprilaire – A division of Research Products Corporation
P.O. Box 1467
Madison, WI 53701-1467
Phone: [phone] • Fax: [phone]
www.aprilairepartners.com
Main Return to Main Return - RECOMMENDED
• This application can be used when a supply duct is not available
• Air is pulled from the return duct, dehumidified, and returned to the return duct
• Assures that the dehumidified air is mixed with rest of the air in the duct before
it re-enters the house
• This application is used in basements, attics, crawl spaces, etc.
Dedicated Return to Main Supply or Dedicated Return to A/C Return
• This application can be used when a return or supply duct is not available
• Air is pulled through a dedicated return grille, dehumidified, and returned to
the supply plenum or return
Dedicated A/C Return to A/C Return
• For homes without duct work
• Dries a specific area that has a moisture issue
• Dehumidifier can be located in a closet, mechanical room or unfinished area
and ducted into a finished room
Main Return to Main Supply
• Air is pulled from the return duct, dehumidified, and returned to the supply
plenum
• This application is used in basements, attics, equipment closets, etc.
Installation options for the Aprilaire 1850 Dehumidifier
Shown in horizontal applications, can be installed in vertical applications as well.
Optional Wall Mount Controls:
Model 76 Dehumid Control
• On/Off buttons
• Wall mounted living space control
• Displays RH and controls to an
RH value
• Remote control for crawlspace
applications and sealed attics
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RETURNSUPPLY
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APPLICATIONS
Model 8620 Universal Programmable Thermostat
• On/Off buttons
• Wall mounted living space control
• Displays RH and controls to an
RH value
• Remote control for crawlspace
applications and sealed attics
8910 Module Universal Programmable Thermostat
• Large touch screen display
• 2H/2C conventional or 4H/2C heat pump
• Two part control — 3 wire design
• Notifies when ventilation is active
• Built in RH sensor
• Outdoor temperature sensor included
• Design to meet ASHRAE 62.2 ventilation guidelines
• Optional high or low outdoor temperature lockout
• Capable to control humidification, dehumidification,
ventilation and air cleaning