5 Installation at Site
24 of 68
Calio
1157.821/04-EN
5.6.1 Connecting the cables
1
2
3
4
5
6
7
1
Connection for external analog signal 0 - 10 V DC
5
Connection of power supply 1~ 230 V AC +/- 10 %,
50 Hz/60 Hz
2
Connection of External Start/Stop signal
6
Connection for "in operation" message
3
Connection to Modbus network
7
Connection for general fault message
4
Connection for dual-pump operation (DUAL)
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 on hand. (
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 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.
Table 7:
Symbols key
Function
Symbol
Terminal
pair
Terminal
cross-
section
Terminal
code
Frequency
of starts
Contact
rating
External analog signal
0 -10 V DC
0 - 10 V
1,5 mm
2
Vin = 0 - 10 V (+)
0 V = GND (-)
-
-
External signal for
start/stop
(supplied bridged)
RUN
1,5 mm
2
R = RUN contact
0 V = GND
-
-
Modbus network
Modbus
1,5 mm
2
D+ = D+
D- = D-
-
-
