Grundfos CME User Manual

English (GB)
60
17. 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 of signal relays when activated
Operating
mode
Operation
Pump
running
Ready Alarm Warning
The power is
off.
Off
-
The pump
runs in
Normal mode.
Green, rotating
Normal,
Min. or
Max.
The pump
runs in
Manual mode.
Green, rotating
Manual
The pump is
in operating
mode Stop.
Green, steady
Stop
Warning, but
the pump is
running.
Yellow, rotating
Normal,
Min. or
Max.
Warning, but
the pump runs
in Manual
mode.
Yellow, rotating
Manual
Warning, but
the pump was
stopped via a
Stop
command.
Yellow, steady
Stop
Alarm, but the
pump is
running.
Red, rotating
Normal,
Min. or
Max.
Alarm, but the
pump runs in
Manual mode.
Red, rotating
Manual
The pump is
stopped due
to an alarm.
Red, flashing
Stop
The pump is
stopped due
to Low-flow
stop function.
Green, steady
Normal
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
C
NO NC
NCNO
C
C
NO NC
NCNO
C
NCNO
C

Grundfos CME Specifications

General

Liquid temperature range	0 °C to +60 °C
Maximum operating pressure	10 bar
Series	CME
Frequency	50/60 Hz
Max Pressure	10 bar
Pump Type	Centrifugal
Material	Stainless steel
Applications	pressure boosting, irrigation
Pumped liquid	Clean water
Approvals	CE
Max Liquid Temperature	60°C
Power Supply	1-phase or 3-phase