Grundfos UPE Serie Instrucciones De Instalación Y Funcionamiento página 5

3. External forced control
The electrical connection and protection must be
carried out according to local regulations.
Warning
Never make any connections in the
pump control box unless the power
supply has been switched off for at
least 5 minutes. The high-voltage
indicator light must be off.
If the UPED 80-120 FZ has to be controlled via the
external input terminals, see section 5.1 Wiring
diagram in the general installation and operating
instructions:
Input terminals:
• START/STOP (start/stop of pump)
• MIN (min. curve duty)
• 0.10V (analog 0-10 V control).
The connections must be done as described in the
following sections.
3.1 External start/stop
Fig. 2 External start/stop
The contact (fig. 2) is shown by
Note
"STOP".
3.2 External input for min. curve duty
Fig. 3 External input for min. curve duty
The contact (fig. 3) is shown by "MIN"
Note
(not active).
3.3 External analog input (0-10 V control)
Fig. 4 External analog input (0-10 V)
Apply 0-10 VDC as indicated in fig. 4.
Note
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