ABB UniSec Handbuch für Betrieb und Wartung - Seite 11

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D I S T R I B U T I O N S O LU T I O N S

• Set the new sensor in the same position as the

old one.

• Fasten the strap around the busbar, then make

sure that the sensor remains firmly in contact

with the busbar and cannot move.

• Wrap the sensor strap around both busbars if

there are two busbars per phase.

c) Repeat the operation for all the sensors in the

panel.

Example of assembly on the cable connection

Example of assembly on cable connecting to CT

To make sure that communication is correct,

energize the circuit where the sensors are installed

using a current value of at least 50A AC and check

that the temperature measurement appears on the

APP or LHMI module.

d) Replacement of concentrator.

WARNING

Make sure that the low voltage

compartment is de-energized before

replacing the concentrator