KSB CalioTherm Pro 25 Installation & Operating Manual page 26

Table 8: Symbols key
Function
External analog signal
0-10 V DC
Signal for remote ON/OFF
(supplied bridged)
Modbus network
Dual-pump configuration DUAL
Power supply 1~ 230 V AC
+/- 10%, 50 Hz/60 Hz
"In operation" message
General fault message
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5 Installation at Site
The left side has 4 connection options and 3 cable glands. If all 4 connections are to
be used, run the control cables of connections 2 and 3 through the cable gland in the
middle.
ü The mains voltage at the site has been verified against the data on the name
plate.
ü The pump set has been de-energised and secured against unintentional start-up.
ü The wiring diagram is available. (ð Section 10.2, Page 71)
1. Unscrew the cable glands (IPX4D).
2. Undo and store the 2 screws of the cover of the terminal wiring compartment.
3. Remove the cover of the terminal wiring compartment.
4. Knock out and remove the closing disc of the required cable gland with a
suitable tool (e.g. screwdriver).
5. Lay the required electric cable in a loop so any water will drip off, then guide it
through the corresponding cable gland and connect it to the terminal provided.
6. Fit the cover of the terminal wiring compartment. Fasten it with the 2 screws.
7. Tighten the cable glands.
0-10 V 1,5 mm
RUN 1,5 mm
Modbus 1,5 mm
1,5 mm
1,5 mm
1,5 mm
1,5 mm
CalioTherm Pro
2
Vin = 0-10 V (+) -
0 V = GND (-)
2
R = RUN contact -
0 V = GND
2
D+ = D+ -
D- = D-
2
H = Signal High (+) -
L = Signal Low (-)
2
= PE < 20 /
24 hours
N = N
L = L
2
- -
2
- -
-
Max: 5 mA at closed
contact
-
-
-
Min: 12 V DC at 10 mA
Max: 250 V at 1 A
Min: 12 V DC at 10 mA
Max: 250 V at 1 A