Grundfos MAGNA3 Manual page 39

MAGNA3
Analog input
24V IN
Vcc Signal
Sensor
Digital input
S/S
M M
A I
Start/stop
On/off
timer
Fig. 55 Example of connections in the control box of terminal-connected versions
Analog input Digital input
24V IN M M S/S
A I
Vcc Signal
Sensor
Fig. 56 Example of connections in the control box of wire-to-wire connected versions
For further information on digital and analog inputs,
see inputs, page 29, and
Digital
sensor, page 30.
external
For information on relay outputs, see
page 30.
For details on how to install and operate the MAGNA3
pumps, please see the MAGNA3 model D - Installation
and operating instructions:
Relay 1 Relay 2
NC NO C NC NO C
Operation Alarm
Use C and NC for fault signals
as this enables serial connections
of more relays and detection
of signal cable defects.
Relay 2
Relay 1
NC NO C
NC NO C
Alarm
Operation
Use C and NC for fault signals
as this enables serial
connections of more relays and
detection
of signal cable defects.
Analog input for an
Relay outputs,
Power
L
GFCI
L N
net.grundfos.com/qr/i/99332342
7
39