___________________________________________________________________Page 20 of 29System InstallationFigure 2.11 Re-cover the Upper Cover PlateStep 10: the wiring is completed, please connect the wiring harness on the back of the uppercover plate. Then re-cover the B3 upper cover plate, use the M5 internal hexagonal wrench totightly lock the upper cover screw, and then install the white plug, as shown in Figure 2.11.Note: the upper wiring harness from EMS shall be connected to the back upper part ,the below wiring harness from BMS shall be connected to the back below part. Please payattention to the positive and negative pole of the button switch wires.The suggested torque is 2.6 N.m±10%. For capacity expansion, please refer to theaccessory package attached for details.2.1.6 Electricity Meter WiringThe power meter should be installed and connected in the distribution box. There are four types of powermeters, available for CT, ADL-3000, SM 60A or ACR10R.CT: 100A, 1:3000ADL-3000: Three-phase electricity meter (with or without CT)SM60A: Single-phase electricity meterACR10R: Three-phase CT electricity meter (with CT)2.4.4.1 CTThe CTs connection is as shown in Figure 2.12:Figure 2.12 CT ConnectionNote: please payattention to the CTdirections.