Chapter 2 Electrical Installation
2.5 ELECTRICAL CONNECTION INSTALLATION
Choose the diagram that best suits your application and maintain the polarity. Follow the outlined
procedure to verify correct connection.
NOTE: THE NEUTRAL READING IS CALCULATED FROM THE SUM OF THE 3 PHASES OF CURRENT. HIGH NEUTRAL
CURRENT INDICATES REVERSE CT POLARITY.
LISTING OF CONNECTION DIAGRAMS
NOTE: SEE PHASE REVERSAL IF A MESSAGE OF PH APPEARS AFTER INSTALLATION.
I Three-Phase, Three-Wire System Delta with Direct Voltage and CTs.
II Three-Phase, Three-Wire Open Delta with two CTs and two PTs.
(Open Delta System Installation should only be used if the electrical system is a 3-wire OPEN
DELTA. Open Delta can be enabled or disabled in Programming Group 0, Function 3.)
III Three-Phase, Three-Wire Open Delta with three CTs and two PTs.
(Open Delta System Installation should only be used if the electrical system is a 3-wire OPEN
DELTA. Open Delta can be enabled or disabled in Programming Group 0, Function 3.)
IV Three-Phase, Four-Wire System Wye with Direct Voltage and CTs.
V Three-Phase, Four-Wire System Wye with CTs and PTs.
VI Single Phase System
VII Dual Phase System
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GE Industrial Systems