Delta Modulon DPH Series User Manual page 19

Wide AC input voltage range (full load: 176Vac~276Vac; < 70% load: 132Vac~176Vac)
reduces frequent transfer from normal mode to battery mode to save battery consump-
tion and prolong battery life.
Battery start-up function even when there is no AC input.
AC start-up function even when the UPS is not connected to the batteries.
WARNING:
Please note that when the UPS is not connected to the batteries, it will not
protect your equipment if the utility power is lost.
Connects a maximum of eight external battery cabinets to extend backup time.
Provides setting options such as battery test (schedulable) and battery replacement
alarm.
Battery temperature monitoring and compensation.
Optional battery management system (BMS) allows measurement of every battery's
voltage.
Smart battery charger design allows auto-charging or manual charging to shorten
charging time.
Provides communication interfaces and a smart slot. Please refer to
.
Built-in memory stores a maximum of 10,000 event logs.
Fan speed auto adjustment prolongs fan life and reduces noise when the critical loads
decrease. Moreover, fan failure detection circuit is established.
State-of-the-art microprocessor technology performs self-detection and monitors fan
speed in real time, which provides complete and detailed operating status of the UPS.
2-5
2 Introduction