Input installation
To make sure the UPS connection is made according to the manual, proper pin
configuration of the power socket must be ensured (Fig. 9).
Fig. 9: Power socket pin configuration
Fig. 10 shows correct methods of connecting the UPS to various types of mains (TN-
S or TN-C-S) with different earthing systems (PE conductor connections).
Fig. 10: UPS input installation