315.3.2 Connection of the one phase mains connectorTo protect the personnel during installation, ensure that theconnection takes place und the following precautions:♦ No mains power present.♦ Loads are switched of.♦ The PROTECT C. is switched of (display completelyoff).To activate the PROTECT C. execute the following steps:♦ Set Manual bypass „Maintenance Switch“ to “Bypass”on the rear of the UPS. Remove the four screws of thecover (Pos. 2, page 26).♦ Set the mains input circuit breaker (Pos. 3, page 26) toposition “OFF”.Connect the UPS terminal „ / PE “ (Ground) with theassociated ground terminal in the distribution cabinet.Connect the mains supply cable with the NS distributor to the„INPUT“ terminal in the UPS:/ PE = GroundN = Neutral lineL = PhaseCheck the bridge between „JP1“ and „JP2“(Terminal label „JUMPER“).Only remove the cable, when using the PROTECTC. in parallel operation with appliances of thesame type (see chapter 9).5.3.3 Preparation for the load connectionBefore connecting the loads to the UPS, it is necessary toensure that the rated power of the label of the UPS is higheror equal to the sum of the power consumption of the loads.The output of the PROTECT C. should supply the subdistribution in separate power circuits. Check for a selectiveprotection of the circuits.For the connection between PROTECT C. and the subdistribution cable diameters according to table 1 on page 30