Open-Loop Control - KSB CalioTherm Pro 25 Installation & Operating Manual

7 Operation

7.2.5 Open-loop control

Function
In Open-loop Control operating mode the pump runs at a set speed. The speed can
be set to one of 100 speed levels.
H
1 2
Fig. 26: Open-loop Control function, running at speed level 2
Setting
Press the control button to activate the display from idle mode. The display will show
the current operating mode as well as, in alternation, the electrical input power and
the flow rate. If 5 minutes pass without any settings being made or the control
button being pressed, the display will revert to idle mode.
H
1 2
Fig. 27: Open-loop Control settings
Table 21: Selecting Open-loop Control and the setpoint
Step 1: Activating the setting mode
▪ Press and hold the control button for 3 seconds.
– The operating mode which has last been selected will start
flashing.
Step 2: Selecting the Open-loop Control operating mode
▪ Turn the dial and select the required operating mode.
▪ The symbol will light up.
Step 3: Activating the Open-loop Control operating mode
▪ Press the control button.
– The number of flashing LED segments shows the setpoint
which has last been set.
CalioTherm Pro
3 10
Q
3 10
Q
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