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Chapter 15: Relative Humidity Compensation
High RH compensation on the minimum ventilation speed
The controller can compensate for a high humidity levels by increasing the level of minimum ventilation.
As the RH level rises, the controller increases the minimum ventilation speed to compensate for the
change. The maximum compensated speed (minimum speed plus Min vent comp %) is reached when
the RH level is 10% above the RH set point.
Mist Shutoff
When the humidity level is too high, the mist units are shut off to avoid increasing the humidity level any
further. This means that the cooling stage stops operating whenever the humidity level exceeds the mist
shutoff limit. The mist shutoff limit ranges from 20% to 100% (Off) of humidity.
Low RH compensation with mist outputs
To compensate for low RH levels, the controller can activate the misting output in timer mode. The misting
output starts when RH levels decrease below the Low RH Set Point.
Setting the Relative Humidity Compensation Parameters
1. Using the menu select arrow keys, navigate to Humidity Compens. .
This menu is accessible if at least 1 RH compensation function is enabled.
2. Set the following parameters:
62 890-00081 Expert VT-110