SATEC EM720 Installation Manual - Manual (Page 12)

8
Chapter 2 Installation
Wiring Configurations
There are seven wiring configurations shown in Figures 6, 7, 8, 9, 10, 11, 12 or 13;
W i r i n g C o n f i g u r a t i o n Wiring Setup See Figure:
3-wire 2-element direct connection using 2 CTs 3dir2 6
4-wire WYE 3-element using 3 (4) CTs 4Ln3 or 4LL3 7
4-wire WYE 3-element connection using 3 PTs, 3 CTs 4Ln3 or 4LL3 8
3-wire 2-element open delta connection using 2 PTs, 2 CTs 3OP2 9
4-wire WYE 2½-element connection using 2 PTs, 3 CTs 3Ln3 or3LL3 10
3-wire 2½-element open delta connection using 2 PTs, 3 CTs 3OP3 11
4-wire 3-element delta using 3 CTs 4Ln3 or 4LL3 12
Table 1: Wiring Configuration
See parameter setup instructions in the Operation Manual
Figure 6: Three Wire Using 2 CTs - Wiring Setup : 3dir2