1 9
Ultron HPH Series UPS
y
Battery Mode
When the UPS is operating during a power outage, the batteries provide DC power, which
maintains inverter operation to support the critical load. During battery mode, the BATTERY LED
indicator (
BATTERY
) illuminates (yellow).
BYPA.
MAIN
LOAD
Batteries
Rectifier
Inverter
(Figure 4-4: Path of Electrical Power through the UPS in Battery Mode)
Table 4-1: The battery status is as follows
Battery Capacity
Buzzer
LCD Display
Full/ Mid
The alarm beeps once every 10 seconds.
(ON for 0.1 second and OFF for 9.9 seconds)
BATTERY CAPACITY
00V/ 000%
Low
The alarm beeps once every 0.5 second.
(ON for 0.1 second and OFF for 0.4 second)
BATTERY CAPACITY
00V/ 000%
Depleted
Long beep
SHUT DOWN DUE TO
LOW BATTERY