Temperature-Governed Differential Pressure Control - KSB CalioTherm Pro 25 Installation & Operating Manual

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7 Operation
Step 4 a: Confirming the current setpoint
▪ Press the control button.
Step 4 b: Changing the setpoint
▪ Turn the dial and set the required setpoint in increments of
1 % within the range from 0 % to 100 %.
– Turning it clockwise increases the setpoint; turning it anti-
clockwise decreases the setpoint.
– The LED segments will light up in increments of 10 %.
▪ Press the control button to save the setpoint.
NOTE
If 10 seconds pass without any settings being made or saved, the control unit will
revert to the previous settings.
NOTE
To start the pump the "RUN" terminal pair must be bridged (factory setting) or the
terminal pair must receive the START signal.
Table 22: Speeds
Size
Minimum speed
Setpoint input 0 %
25-80
30-100
30-120
40-80
40-100

7.2.6 Temperature-governed differential pressure control

The temperature-governed differential pressure control increases or decreases the
head in a linear fashion with the fluid temperature. The operating mode can be
activated via the KSB ServiceTool. The functionality of the temperature-governed
differential pressure control and its settings are described in the KSB ServiceTool
supplementary operating manual (reference number 1157.801).
CalioTherm Pro
Speed
[rpm]
1000
1000
1000
1000
1000
Maximum speed
Setpoint input 100 %
[rpm]
4000
4500
4000
3600
4000