Checking the settings of the auxiliary voltage transformer(option +G344)Check the tap settings of all auxiliary voltage transformers. Transformer T21 is optionalequipment; T115 and T125 are present depending on drive configuration.The voltage settings of transformer T21 are made at terminal blocks T21_X1/X2 andT115_X1/X2 respectively. For cabinet layout, see chapter Operation principle and hardwaredescription.￭ T21 tap settings (690 V units)690 V 1660 V 2600 V 3575 V 4540 V 5525 V 67U1 8TP1 9TP2 10T21_X1 T21_X21 230 V234 N5ĬElectrical installation 4311
