RCF manual Chapter 8 Control principles 25
The above schematic drawings of the control principle show the corresponding requirement
of the controller function. This requirement is recalculated by the controller to a value for the
actuator output, depending on the selected output function.
RCF-230(C)D, RCFM-230D
Control principle at cooling function
During control of cooling, the output is activated when the temperature rises above the
setpoint by the set hysteresis (ΔT). The output closes when the setpoint value is reached.
Control principle at heating function
During control of heating, the output is activated when the temperature falls below the
setpoint by the set hysteresis. The output closes when the setpoint value is reached.
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