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DISCONNECTING FROM THE MAINS SUPPLY
14.
This section describes the procedure for disconnecting the mains network from the device. If you want to work inside
the device (qualified personnel only), first operate the circuit breaker located in the enclosure that protects the electron-
ic board and then the protection located upstream of the power supply line.
PREVENTIVE MAINTENANCE
15.1.
DIFFERENTIAL CURRENT DEVICES
15.
The residual current circuit breakers installed upstream of the station must be checked at least once every
6 months to make sure they are working properly. To do this, press the TEST key and make sure the device
actually trips.