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7.5.4. Max. speed (default setting is “100%”)
The maximum speed of the pump for speed control variants is determined here.
It is not recommended to limit the head of the pump, as this could cause boiler overheating.
The controller controls the pump automatically at optimum speed.
The indicated percentages are informative values that may vary to a greater or lesser
extent depending on the system, pump and pump stage.
7.5.5. Min. speed (default setting is “10%”)
The minimum speed of the pump for speed control variants is determined here.
The indicated percentages are informative values that may vary to a greater or lesser
extent depending on the system, pump and pump stage. 100% is the maximum
possible power of the controller.
7.5.6. Setpoint (default setting is “60 °C”)
This value is the control setpoint for speed control M 3 (see Chap. 7.5.1.) If this value undershot
at the collector sensor, the speed is reduced. When it is exceeded, the speed is increased.
7.5.7. ΔT setting (default setting is “10 °C”)
Temperature difference for pump speed control.
7.6. Sensor Calibration
If e.g. the cables are too long or the sensors are not placed well, small deviations in the
measurement values may occur. In this case, the compensation can be set for each sensor
separately in 0.5 °C steps.
These settings are only necessary in special cases at the time of initial commissioning
by the specialist. Incorrect measurement values can lead to unpredictable errors.
7.7. Relay 1 (setting the R1 output)
In the RegulusBIO load unit the mixing valve (opening) is connected to the R1 output.
For this reason keep the R1 setting at 7.7.2.
7.7.2. Mixer opens
Here the separate parameters of mixing valve control can be adjusted.
7.7.2.2. Direction (default setting is “right”)
The direction of the mixing valve rotation when opening – right or left. Keep the default value.
7.7.2.3. Valve Turn Time (default setting is “2s”)
Shift time of the mixing valve at the Open command. Then the valve stops and a Pause
(7.7.2.4.) starts. Depending on the temperature change, the controller controls further valve
reaction. The shorter the shift time, the more precise is the control to the desired temperature,
but slower, and vice versa.
7.7.2.4. Pause factor (default setting is “1.0”)
The calculated pause time of the mixer is multiplied with the value set here. If the pause
factor is “1”, the normal pause time is used, “0.5” will use half the normal pause time, ”4”
would quadruple the pause time. The value is individual for different mixing systems (actuator
speed, thermal inertia of the system, flow rate, valve authority etc.). Setting a too short pause
could cause instability and oscillation of mixing.
