Grundfos Hydro Multi-E - Signal Relays

16. Signal relays
The motor has two outputs for potential-free signals via two internal relays.
The signal outputs can be set to Operation, 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 Running Ready Alarm Warning
Power off.
Off
NCNOC
NCNOC
NCNOC
NCNOC
NCNOC
-
Pump running in Normal
mode.
Green, rotating
C NCNO
C NCNO
C NCNO
NCNOC
NCNOC
Normal, Min. or
Max.
Pump running in Manual
mode.
Green, rotating
C NCNO
C NCNO
NCNOC
NCNOC
NCNOC
Manual
Pump in operating mode
Stop.
Green, steady
NCNOC
NCNOC
C NCNO
NCNOC
NCNOC
Stop
Warning, but the pump is
running.
Yellow, rotating
C NCNO
C NCNO
C NCNO
NCNOC
C NCNO
Normal, Min. or
Max.
Warning, but the pump is
running in Manual mode.
Yellow, rotating
C NCNO
C NCNO
NCNOC
NCNOC
C NCNO
Manual
Warning, but the pump was
stopped via the Stop
command.
Yellow, steady
NCNOC
NCNOC
C NCNO
NCNOC
C NCNO
Stop
Alarm, but the pump is
running.
Red, rotating
C NCNO
C NCNO
NCNOC
C NCNO
NCNOC
NormalMin. or
Max.
Alarm, but the pump is
running in Manual mode.
Red, rotating
C NCNO
C NCNO
NCNOC
C NCNO
NCNOC
Manual
Pump stopped due to an
alarm.
Red, flashing
NCNOC
NCNOC
NCNOC
C NCNO
NCNOC
Stop
40
English (GB)