... 9~12V AC(use the transformer with the controller,primary voltage 220V±10%)O Operating environment: temperature ... phase average current(unit: A), press “SEL(6)”, then display A,B,C phase current ... A, B,C phase current? Press “SEL(6)”then display A,B,C phase current respectively, ... at the same time for confirming, then press " ∧ ”or“6”in order to changing the parameter, when the parameters have ...