INSTALLATION
51
NA016 - Manual - 05 - 2022
6.6 LED ALLOCATION
Eight indicator LEDs
[1]
and six keys
[2]
are available on the front panel:
6.7 FINAL OPERATIONS
Before energizing the electric board, it is advisable to check that:
• The auxiliary voltage in the panel falls within the operative range of relays.
• The rated current of the line CT’s corresponds to the settings of relay.
• All wirings are correct.
• All screws are tightly screwed.
Note 1 The LEDs 3, 4 (CB position) and 5 (TCS) are enabled only when the logger is enabled
Note 2 The “I” e “0“ keys are disabled
Start
79 (79 State)
CB CLOSED (52b)
CB OPEN (52a)
50-51 (I>, I>>, I>>> elements)
50N-51N (IE>, IE>> elements)
Trip
Open CB
Close CB
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