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Aprilaire 4655 User Manual

Aprilaire 4655
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Automatic Digital
and Manual
Humidifier Control
Models 60, 62 & 4655
Operating
Instructions
INSTALLER:
Please leave this Operation Manual with the homeowner.

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Aprilaire 4655 Specifications

General IconGeneral
Model Number4655
Capacity18 gallons per day
Voltage24 VAC
Weight12 lbs
Warranty5-year limited warranty
Coverage AreaUp to 4, 200 sq. ft.
TypeBypass

Summary

Your Humidifier

Digital Humidifier Control Indicator Lights

Indicator lights for dealer service, water panel replacement, and normal operation.

Operating Instructions

Blower Activation

How to enable HVAC fan for maximum humidification or operate when fan is running.

Automatic Digital Humidifier Control

Automatic Mode

Steps for initial setup and adjustment of the automatic digital humidifier control.

Manual Mode

Outdoor Temperature Adjustment

Adjusting manual control settings based on outdoor temperature to prevent condensation.

Water Panel Change Indicator

Resetting the Indicator

How to reset the yellow 'Change Water Panel' light after replacement.

Test/Reset Function

Checking Humidifier Operation

Using Test/Reset to check humidifier operation and reset the water panel timer.

Additional Information

Humidity Control Automation

How the control automatically adjusts humidity based on outdoor temperature changes.

Annual Summer Shutdown

Procedure

Steps to properly shut down the humidifier for the summer season.

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