4 User Guide APC BC300 Series 40kW 208/450/480V UPS
990-1403
Introduction
1.0 Introduction
This UPS system is designed to offer reliable and problem-free power supply for several years.
The system requires only a minimum of maintenance, but we recommend you follow the
maintenance guidelines described in the “Maintenance & Testing” section of this User Guide.
1.1 Display Unit
The display unit (located on the front of the UPS) is the link between the user and the UPS and
consists of a display, an alarm LED indicator and a keyboard. The display reads parameters,
measured values and alarm messages.
Figure 1
NOTICE!
Display accuracy is ±2%, ±1digit.