- [S9=1] PROPORTIONAL functioning with 4-20mA ambient humidity probe
(INTEGRATED HUMIDOSTAT):
This type of functioning envisions proportional steam output; the humidifier will automatically
regulate the steam output based on the request in ambient depending on set set. Consent is given
by a 4-20mA (0-100%RH) humidity probe that, as well as regulate steam output, enables
displaying relative humidity in ambient, directly on humidifier display. Set the second level
variable S9=1 and connect signal 4-20mA of the humidity probe to clamps 14 and 15; in
particular, connect the RH signal to clamp 14, connect +V to clamp 15.
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The Bp proportional band is the percentage value of the humidity around the set point; within
this value the humidifier works proportionally. Example: if the proportional band is set on
default value 10% (-5% / +5% set point value) and humidity is set at 50%, below 45% the
humidifier will work at 100% of steam output; above 55%, the humidifier will not produce
steam. Between 45% and 55%, the humidifier will optimally regulate steam output.
- [S9=2] PROPORTIONAL functioning with 0-10Vdc signal of reference:
This type of functioning envisions steam output proportionally to 0-10Vdc signal of reference.
Example: a 6Vdc signal of reference ensures the humidifier produced 60% of steam output
referred to Pr software variable. So if Pr= 70%, steam output will be 42%. Set the second level
variable S9=2 and connect signal of reference 0-10V to clamps 16 and 17; in particular, connect
VRH (0-10Vdc probe output) to clamp 16, and GND mass to clamp 17.
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