English (GB)
36
11. Signal relays
The pump has two outputs for potential-free signals via two
internal relays.
You can set the signal outputs to "Operation", "Pump running",
"Ready", "Alarm" and "Warning".
The functions of the two signal relays appear from the table
below:
Description
Grundfos Eye
Contact position for signal relays when activated
Operating
mode
Operation
Pump
running
Ready
Alarm
Warning
Power off.
Off
-
Pump running
in "Normal"
mode.
Green, rotating
"Normal", "Min."
or "Max."
Pump running
in "Manual"
mode.
Green, rotating
"Manual"
Pump in
operating
mode "Stop".
Green, steady
"Stop"
Warning, but
the pump is
running.
Yellow, rotating
"Normal", "Min."
or "Max."
Warning, but
the pump is
running in
"Manual"
mode.
Yellow, rotating
"Manual"
Warning, but
the pump was
stopped via
"Stop"
command.
Yellow, steady
"Stop"
Alarm, but the
pump is
running.
Red, rotating
"Normal", "Min."
or "Max."
Alarm, but the
pump is
running in
"Manual"
mode.
Red, rotating
"Manual"
Pump stopped
due to an
alarm.
Red, flashing
"Stop"
Pump stopped
due to
"Low-flow stop
function"
Green, steady
"Normal"
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
C
NO NC
NC
NO
C
NC
NO
C
Summary of Contents for VT Booster Set
Page 1: ...VT Booster Set O M Manual...
Page 3: ...1 Important Health Safety Information Page 3 VT Booster Set...
Page 10: ...2 System Information Installation and Commissioning Page 10 VT Booster Set...
Page 11: ...2 1 Booster Set Components VT Booster Set Components Page 11 VT Booster Set...
Page 12: ...2 2 Control Panel Wiring Diagrams Twin Pump Wiring Diagram Single Phase Page 12 VT Booster Set...
Page 13: ...Twin Pump Wiring Diagram 3 Phase Page 13 VT Booster Set...
Page 15: ...VR VASCO Cold Water Booster Sets Page 15 VT Booster Set...
Page 16: ...VT3 Three Phase Control Panel Wiring Diagram Page 16 VT Booster Set...
Page 17: ...Page 16a VT Booster Set...
Page 23: ...3 User Maintenance and Troubleshooting Page 22 VT Booster Set...
Page 43: ...Appendix 14...
Page 50: ...Appendix 21...
Page 51: ...Appendix 22...
Page 55: ...Appendix 26...
Page 56: ...Appendix 27...
