AprilAire 1770A - Manual
AprilAire 1770A – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – SETTINg THE DESIRED HUMIDITy LEVEL; WHEN DOES THE DEHUMIDIFIER TURN ON?
- Page 3 – OPTIONAL – CONVERTIbLE MODE: WHOLE HOME AND SPOT DEHUMIDIFICATION; HOW DOES THE DEHUMIDIFIER WORK?; OPTIONAL – HEATINg AND COOLINg SySTEM bLOWER OPERATION; HOW DOES THE OPTIONAL VENTILATION WORK?
- Page 4 – CAUTION; MAINTENANCE; CLEAN OR REPLACE THE AIR FILTER; LIMITED WARRANTy; WARRANTy REgISTRATION
Filter
Access
Humidity
Control
Inlet
Drain
On/Off Switch
Filter
Access
Outlet
P L E A S E L E AV E T H I S M A N U A L W I T H T H E H O M E O W N E R
Thank you for your purchase of the Aprilaire
®
Dehumidifier. Your dehumidifier is designed to remove humidity from your home, maintaining the
humidity at a comfortable level and reducing the unwanted effects of high humidity. Use your Aprilaire Dehumidifier to control the humidity that
comes into the home from opening doors and infiltration (i.e. outdoor air entering through the building envelope). You can reduce the amount
of humidity that enters the home by closing windows, doors and/or fireplace flues when the outdoor humidity is high and by drying clothes
outside. Whirlpool tubs and saunas will also increase the amount of humidity in the home. Direct exhaust from kitchen vents and bath fans is
the best means of controlling humidity due to cooking and showers/baths. Your Aprilaire Dehumidifier is not designed to eliminate or reduce
condensation on windows in the winter and works best when the indoor temperature is above 65°F (18°C).
WHOLE HOME DEHUMIDIFICATION
The Aprilaire Dehumidifier controls the humidity level in your entire home. A powerful blower inside the dehumidifier draws air into the cabinet,
filters and removes moisture from the air, and then discharges the dry air to the home. Inside the cabinet, a sealed refrigeration system removes
moisture by moving the air through a series of tubes and fins that are kept colder than the dew point of the incoming air. The dew point is
the temperature at which moisture in the air will condense, much like what occurs on the outside of a cold glass on a hot summer day. The
condensed moisture drips into the dehumidifier drain pan to a drain tube routed to the nearest floor drain – no need to empty a tub every day.
After the moisture is removed, the air moves through a second coil where it is reheated before being sent back into the home. It is normal for the
air leaving the dehumidifier to be warmer than the air entering the dehumidifier.
Model 1750A / 1770A Dehumidifier
Owner’s Manual
Installed by: _________________________________ Installer Phone: _______________________ Date Installed: _______________
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Summary
SETTINg THE DESIRED HUMIDITy LEVEL At the inlet side of the unit, a humidity control knob sets the desired humidity level between 1 (less dry, dehumidifier runs less) and 7 (more dry, dehumidifier runs more), or can be used to turn the dehumidifier OFF. The ON/OFF switch on the front of the unit sho...
OPTIONAL – CONVERTIbLE MODE: WHOLE HOME AND SPOT DEHUMIDIFICATION The dehumidifier can be installed to dehumidify the whole home and separately dehumidify a spot location such as a basement or crawl space. In this arrangement ductwork connects the dehumidifier to the heating and cooling system and t...
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,...
