Install Instructions

English (US)
30
18. Signal relays
The motor has two outputs for potential-free signals via two
internal relays.
The signal outputs can be set 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
NCNO
C
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
NCNO
C
C
NO NC
C
NO NC
NCNO
C
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
NCNO
C
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
NCNO
C
C
NO NC
NCNO
C
NCNO
C
C
NO NC
NCNO
C
C
NO NC
C
NO NC
C
NO NC
NCNO
C
C
NO NC
NCNO
C
C
NO NC
C
NO NC
NCNO
C
C
NO NC
NCNO
C
NCNO
C
NCNO
C
NCNO
C
C
NO NC
NCNO
C