KSB CalioTherm Pro 25 Installation & Operating Manual page 27

5 Installation at Site
5.6.1.1 Power supply
Fig. 9: Power supply 1~230 V AC +/- 10 %, 50 Hz/60 Hz
L Conductor / phase (230 V)
N Neutral conductor
Earthing
ü The wiring diagram is available. (ð Section 10.2, Page 71)
1. Connect the power supply to the terminal pair L, N, PE integrated in the pump
set.
5.6.1.2 "In operation" message
The pump set signals its operating status by means of the integrated, volt-free relay
contact.
▪ Pump not in operation = rotor not rotating, no flow (alarm not active)
▪ Pump in operation = rotor rotating (alarm not active)
For configuring and inverting use the KSB ServiceTool as described in the
KSB ServiceTool supplementary operating manual (reference number 1157.801).
The information can be accessed at the status terminal pair with terminals NC / COM /
NO.
1
COM
2
Fig. 10: Wiring diagram for the "in operation" message
1 Pump not in operation (rotor not rotating) / alarm not active
2 Pump in operation (rotor rotating) / alarm not active
NC NC contact, normally closed and electrically conductive connection to COM
COM Reference potential for either contact that is closed
NO NO contact, normally open and not electrically conductive connection to COM
5.6.1.3 General fault message
The pump set signals a general fault message by means of the integrated, volt-free
relay contact.
▪ General fault message = rotor not rotating, no flow (alarm active).
For configuring and inverting use the KSB ServiceTool as described in the
KSB ServiceTool supplementary operating manual (reference number 1157.801).
The information can be accessed at the alarm terminal pair with terminals NC / COM /
NO.
CalioTherm Pro
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