KSB CalioTherm Pro 25 Installation & Operating Manual page 41

7 Operation
7.1.1 Display
The flow rate, the electrical input power and the head are shown as 3-digit numbers
on the integrated display. The display alternates in 5-second intervals between these
values with the corresponding units. The flow rate and the head are displayed as
numbers with one decimal place; the power input is displayed as a number without
( )
any decimal places. The setpoint is indicated in [%] without any decimal places.
ECO ECO
SERVICE
Fig. 19: Display
Symbols
The symbols on the front panel indicate operating modes and settings. A lit symbol
signifies:
▪ The active operating mode
▪ An external 0 - 10 V signal
▪ A general fault message
Table 17: Symbols key
Symbol Description
3
m /h Calculated flow rate
▪ Symbol lights up.
▪ Display shows the flow rate.
W Measured electrical input power
▪ Symbol lights up.
▪ Display shows the electrical power.
m Calculated head
Constant-pressure Control operating mode
▪ Symbol lights up when this operating mode is active.
Proportional-pressure Control operating mode
▪ Symbol lights up in blue when this operating mode is
active.
Open-loop Control operating mode
▪ Symbol lights up when this operating mode is active.
Eco Mode (energy-saving operating mode)
▪ Symbol lights up in green when this operating mode is
active.
ECO Dynamic Control function
▪ Symbol lights up in green when this function is active.
0 - 10 V 0 - 10 V operating mode
▪ Symbol lights up when this operating mode is active.
▪ Symbol flashes when this operating mode sends a stop
command. E.g. voltage signal < 1.5 V.
MODBUS Modbus operating mode
▪ Symbol lights up when this operating mode is active.
▪ Symbol flashes when this operating mode sends a stop
command.
CalioTherm Pro
W W m
3
m /h
Unit
3
m /h
W
mWC
-
-
-
-
-
V DC
-
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