Installation Check - ABB ESP M1R Installation Instructions Manual

Mains protectors
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4.

Installation check

The ESP unit should now be correctly installed. Switch
the power supply on. Check that a green LED per phase
and neutral is lit. See Figure 12. The unit is now fully
operational.
Watch the WARNING light for 30 seconds. If it is flashing
or lit there is a problem with your installation (see
opposite).
4/1 | Installation instructions for mains wire-in protectors
Figure 12:
Status indication lights showing full
protection on all phases. On M1R units,
status indication is shown on the
remote display unit.

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