7 Operation
40 of 68
Calio
1157.821/04-EN
Table 16:
Selecting Constant-pressure Control and the setpoint
Step 1: Activating the setting mode
▪
Press the control element for 3 seconds.
– The operating mode which has last been selected will start
flashing.
Step 2: Selecting the Constant-pressure Control operating mode
▪
Turn the control element and select the required operating
mode.
Step 3: Activating the Constant-pressure Control operating mode
▪
Press the control element.
– The number of flashing LED segments shows the setpoint
which has last been set.
Step 4 a: Confirming the current setpoint
▪
Press the control element.
Step 4 b: Changing the setpoint
▪
Turn the control element 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 element 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.
H
H
max
H
S
H
min
Q
Fig. 20:
Constant-pressure Control settings
NOTE
To start the pump the “RUN” terminal pair must be bridged (factory setting) or the
terminal pair must receive the START signal.
