compact electric CDMRE 100 Manual Page 7
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1.5. Commissioning
When commissioning, ensure that the measuring voltages N, L1, L2, L3 and the auxiliary voltage U
H
are deenergized. CDMRE-100 can be operated on 2-, 3- or 4-conductor mains; in case of 2-conductor
mains, the CDMRE-100 must be set to 4-wire (star) mains; in case of 3- and 4-conductor mains, both
4-wire (star) and 3-wire (delta) can be set since the device has an internal star connection for the
neutral conductor.
Depending on the mains, one of the three connection diagrams must be used:
Figure 4 - connection with the 2-conductor mains
Figure 5 - connection with the 3-conductor mains
Figure 6 - connection with the 4-conductor mains
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