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Aprilaire 720 Series Owner's Manual
Aprilaire 720 Series Owner's Manual

Aprilaire 720 Series Owner's Manual

Fan-powered evaporative humidifier

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Humidifier
Installed By:
Shown in factory standard and reconfigured states.
READ AND SAVE THESE INSTRUCTIONS
OWNER'S MANUAL
Series 720
Fan-Powered Evaporative Humidifier
Installer Phone:
Serial Number:
Date Installed:
Product Info &
Digital Manual
English
1
1

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Summary of Contents for Aprilaire 720 Series

  • Page 1 OWNER'S MANUAL Series 720 Humidifier Fan-Powered Evaporative Humidifier Installed By: Installer Phone: Date Installed: Serial Number: Shown in factory standard and reconfigured states. Product Info & Digital Manual READ AND SAVE THESE INSTRUCTIONS English...
  • Page 2: Table Of Contents

    While 40% to 60% is ideal, this is hard to achieve in some climates during cold months without potential condensation damage to the home. Your AprilAire Humidifier can help maintain up to 45% RH, with a recommended range of 35% to...
  • Page 3: Principle Of Operation

    AUTOMATIC MODE Your AprilAire Digital Humidifier Control is installed in the cold air return duct. Use the dial to adjust the RH setting and the digital display to read the current RH 1.
  • Page 4: Additional Information

    +40°F 90-1237 to fall to 0°F, then reduce +30°F the setting to 25% Your AprilAire Humidifier is controlled by a Model 4655 Manual several hours prior to the Humidifier Control (see FIGURE 3). The Manual Humidifier Control +20°F temperature change...
  • Page 5: Check The Humidifier Operation - Manual

    RH level If such condensation persists for several hours or days, your home should be ventilated to dissipate excess moisture AprilAire offers a line of home ventilation products • Ensure doors, windows, and fireplace dampers are closed. • Increase humidifier control set point by 1 increment or 5% •...
  • Page 6: Effect Of Water Characteristics

    1. Take note of the humidifier control set point and turn the dial To purchase a new Genuine AprilAire HydroCore: to OFF position • Call the installer of your AprilAire Humidifier. This information is 2. Grip the handle on the front cover and slide the latch. Rotate often found on your equipment.
  • Page 7 NOTE: Inlet strainer is designed to last for the life of the solenoid valve assembly and should not be removed from the water inlet (L). Orifice Replacement Instructions REQUIRED ANNUALLY FOR HARD WATER Contact AprilAire Technical Support Remove rubber seal cap (I) from the orifice (J).
  • Page 8: Limited Warranty

    – 5:00 p.m. Central Time. functionality of the product At the sole discretion of AprilAire, you may be required to: return the product not • Damage caused by acts of nature, including but not limited to: fire, collision, later than thirty (30) days after the warranty period to the place of purchase or flood, wind, power surge, lighting strike, or mold.

This manual is also suitable for:

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