Connection Diagram - Grundfos magna3 Installation And Operating Instructions Manual

5.4 Connection diagram

GFCI
Fig. 14 Example of typical connection, 1 x 230 V ± 10 %, 50/60 Hz
Note
Note
All cables used must be connected in accordance with local regulations.
5.4.1 Connection to external controllers
Start/
stop
Fig. 15 Example of connections in the control box
Warning
Wires connected to supply terminals, outputs
NC, NO, C and start/stop input must be separated
from each other and from the supply by
reinforced insulation.
Concerning demands on signal wires and signal transmitters, see
section
19. Technical data.
Use screened cables for external on/off switch, digital input,
sensor and setpoint signals.
All cables used must be heat-resistant up to
Note Note
+185 °F (+85 °C).
External switch
Fuse
(min. 10 A, time lag)
Analog input
24V N
Vcc signal
sensor
M
M
NC NO C NC NO C
S/S
A I
Alarm
Operation
On/off timer
L N Mains
connection
15