Factory Settings
• Humidity Day Settings: 50% rH
• Humidity Night Settings: 50% rH
• Humidity Dead-Band: 5% rH
Eos
®
120V High Amperage
Digital
Humidity Controller Overview
The Eos
®
120V High Amperage Digital Humidity Controller is used to control humidify or
dehumidify device. You can set your desired day and night relative humidity by adjusting the
knobs on the front of unit. The adjustment of dial ranges from 5% rH to 90% rH. After setting
the knobs at the preferred setting, the controller will maintain that setting utilizing a 5%
differential or dead-band. This Eos
®
unit provides up to 20 amps of capacity on standard 20
amp 120 volt circuit.
Instructions for Operation
Humidity Mode Program
Press both knobs for 3 seconds, turn to select. Press both knobs again to save the setting.
Humidify Mode: Raises the rH% to a level above the desired set point.
Dehumidify Mode: Lowers the rH% to a level below the desired set point.
Day & Night Humidity Set Point
Press each knob and turn to set the Day and Night humidity, press again to confirm the
setting.
Humidity Dead-Band (hysteresis): 5% rH
For example, when using Dehumidify, if the set-point is 45% rH and the dead-band is 5%,
the Humidity output will activate at or above 45% rH and will deactivate at 40% rH. For
Humidify mode, if the set-point is 45% rH, the output will activate at or below 45% rH and
deactivate at 50% rH
Humidity Min/Max Recall
Click both humidity (Day or Night) knobs to display the Humidity min/max rH record. This
shows the lowest rH and highest rH levels for a 24 hour period. The screen will return to
normal display after 5 seconds or by a pressing both knobs, and the record will be reset.
Day and Night Mode
Day Mode: Humidity device works when the photocell senses light.
Night Mode: Humidity device works when the photocell senses darkness.
24 Hours: Humidity device works during both day and night. This option utilizes both the
programmed DAY and NIGHT humidity settings. In 24 hours mode, the settings are locked
and cannot be adjusted. The controller must be switched to DAY or NIGHT mode to change
the humidity setting.
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