b. Connection with three-phase input

Note: If using three-phase mains connection, make sure the phase sequence is correct. The UPS cannot start up if the phase sequence is wrong, and an alarm will sound. At the same time, "Phase sequence error" appears on the LC display. Make sure the neutral conductor is connected correctly as well.

5.Installation clearances

A gap of at least 80 cm is required in front of the PROTECT 1.M and at least 30 cm behind the UPS for maintenance purposes. No objects should be placed closer than 30 cm to the side of the UPS.

> 30cm

> 80cm

28