Online UPS Specialist OPP Series, Operating Manual

Page: 37 / 52

- 37 - Revision 1.0
Operation
4.6. On battery operation
The UPS will go to battery mode when one of the following
conditions occurs;
•
Mains input (both main and auxiliary) has failed
•
Mains input (both main and auxiliary) is out of specified input
parameters i.e.
•
Exceeds or is lower than specified input voltage range
•
Exceeds or is lower than specified input frequency range
The default display will be “DC Mode” on the top line and output
voltage on the bottom line (if mains has failed);
OPV may vary dependant on settings.
The unit will emit the following Audible alarms;
•
Utility out of specification: two short beeps repeating
•
Battery low (at end of discharge): short beep repeating