Name: Grundfos MAGNA3 Series
Brand: Grundfos
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English (US)

Fig. 16 Wiring diagram, 32-XX versions

The connection terminals of 32-XX versions differ from those of

terminal-connected versions, but they have the same function

and connection options.

Use screened cables for external on/off switch, digital input,

sensor and setpoint signals.

Connect screened cables to the ground connection as follows:

• Terminal-connected versions:

Connect the cable screen to ground via the digital-input

terminal (earth).

• Plug-connected versions:

Connect the cable screen to ground via cable clamp.

TM05 8539 2413

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.

Note

All cables used must be heat-resistant up to

+85 °C.

All cables used must be installed in accordance

with EN 60204-1 and EN 50174-2:2000.

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