Datakom DFC-0108 Manuale di installazione - Pagina 5
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In automatic setup mode, the unit ::
-automatically detects and corrects reverse connected current transformers.
-automatically measures and memorizes capacitor bank ratings.
For a successful auto setup, voltage connections must be
3 phased.
Otherwise the unit will give ALARM_01 and will not
perform automatic setup.
For a successful auto setup, STEP_1 capacitors must be
3 phased.
Otherwise the unit cannot detect connection errors, gives
ALARM_02 and will not perform automatic setup.
For a successful auto setup, current transformers must
be connected to correct CT inputs. The connection
polarity is not important.
Otherwise the unit will give ALARM_03 and will not
perform automatic setup.
It is preferable that there should be no other load on the
capacitor panel. However with constant or slow changing
loads the unit is able to perform auto setup.
If there are fast changing loads, the unit may be unable to
correct CT polarity errors or may read incorrect bank
capacitor ratings. In such cases, auto setup should be
repeated and capacitor ratings should be
checked/corrected through PROGRAMMING menu.