Technical Data - Grundfos MC 80 Montageanleitung

4. Fitting the module
Never make any connections in the pump terminal box unless the
electricity supply has been switched off for at least 5 minutes.
To fit a module, remove the existing terminal box cover and fit the new cover
incorporating the module.
The new cover increases the height of the terminal box by approx. 36 mm.
See fig. 4 and the figure at the end of these instructions.
Fig. 4

5. Technical data

Start/stop input
Max. curve input
Min. curve input
Fault signal output
Input for analog
0-10 V signal
External potential-free switch.
Contact load: 5 VDC, 0.1 mA.
Screened cable.
Loop resistance: Maximum 130 Ω/km.
Logical levels:
Logical zero: U < 1.5 V.
Logical one: U > 4.0 V.
Internal potential-free changeover contact.
Maximum load: 250 V, 2 A, AC1.
Minimum load: 5 VDC, 1 mA.
Screened cable.
External signal: 0-10 VDC.
Maximum load: 0.1 mA.
Screened cable.
Subject to alterations.
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