This file is the owner's manual for Aprilaire brand home humidifiers. It mainly introduces the working principle, usage, maintenance and maintenance of Aprilaire humidifiers.
This manual covers the Aprilaire Model 700 whole-house humidifier, which operates on an evaporative principle to add moisture to the air. It includes instructions for the Digital Humidifier Control, which offers both Automatic and Manual modes to regulate indoor relative humidity based on outdoor temperature.
The document details operating procedures for Models 400, 500, 600, and 700, including the use of indicator lights for service alerts and water panel replacement. It also provides specific maintenance schedules, such as annual replacement of the Water Panel evaporator, and guidelines for annual summer shutdown and periodic preventative maintenance.
| Water Panel replacement frequency | at least annually |
|---|---|
| Water Panel replacement frequency (Models 400/400M) | at least twice per heating season |
| Maximum service hot water temperature | 140°F |
The red light indicates that the humidifier is not operating normally and that service is required.
The yellow light indicates that it is time to change the Water Panel in the humidifier.
The green light indicates that the humidifier is operating normally.