Aprilaire 400M, 600 owner manual Humidifiers

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Humidifiers

Owner’s Manual

For Models 350, 360, 400, 400M, 500,

500M, 600, 600M, 700 & 700M

Includes Safety & Operating Instructions

and Warranty Information

READ AND SAVE THESE INSTRUCTIONS

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Contents Humidifiers Introduction Table of ContentsPrinciple of Operation Automatic Mode Digital Humidifier Control Indicator LightsOperating Instructions Models 400, 500, 600 Water Panel Change Indicator Manual ModeTEST/RESET Additional InformationCheck the Humidifier Operation Operating InstructionsDigital Humidifier Control Not Operate Manual Humidifier ControlAnnual Maintenance Effect of Water CharacteristicsControl in Test Mode or Humidifier will not Operate Additional Informationfor ALL ModelsWater Line Inspection and Service Instructions Periodic Preventative MaintenanceAnnual Summer Shutdown Series Model Warranty Registration Limited Warranty
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400, 600, 400M specifications

The Aprilaire 400 is a high-performance whole-home humidifier designed to enhance indoor air quality and provide superior comfort throughout your living spaces. As part of the Aprilaire family, known for their commitment to creating healthier environments, this model stands out due to its innovative features and advanced technologies.

One of the main characteristics of the Aprilaire 400 is its capacity to humidify homes effectively, covering an area of up to 4,000 square feet. This makes it ideal for large living spaces, ensuring that every room benefits from balanced humidity levels. The humidifier operates seamlessly with the home’s existing heating and cooling systems, requiring no additional maintenance, making it a hassle-free solution for homeowners.

A prominent feature of the Aprilaire 400 is its self-regulating technology. This unit uses a built-in humidistat that senses the moisture levels in your home and adjusts the humidification output accordingly. This ensures optimal humidity—typically between 30% and 50%—which can help reduce issues related to dry air, such as dry skin, irritated sinuses, and static electricity.

Another key benefit of the Aprilaire 400 is its evaporative design, which utilizes a water panel rather than a traditional water tank. This allows for efficient moisture dispersion, as the humidifier draws in dry air, passes it through the water panel, and releases it back into the living space as humidified air. The water panel is replaceable and designed for annual maintenance, promoting long-term functionality and hygiene.

The Aprilaire 400 also incorporates a simple installation process. With compatibility for various heating systems, including forced air and hydronic, it can be integrated into most homes without significant modifications. Its compact design is another advantage, ensuring it can fit unobtrusively in your home, maintaining the aesthetic of your space.

Overall, the Aprilaire 400 whole-home humidifier is a reliable solution for maintaining optimal humidity levels, fostering a healthier living environment, and enhancing overall comfort. With its advanced features, ease of use, and efficient operation, this humidifier is a smart investment for any homeowner aiming to improve indoor air quality and promote well-being.