Bypass Mode; Battery Mode - Avaya 4500 VA Installation And Operator's Manual

Bypass Mode

The
indicating Bypass mode (see Figure 16). When the UPS is in Bypass
mode, the load is powered by utility power. However, utility power
continues to be passively filtered by the UPS.

Battery Mode

When the UPS is operating during a power outage, the alarm beeps
several times initially, and then once every 10 seconds while in Battery
mode. The
approximate percentage of battery capacity remaining (see Figure 17).
When the utility power returns, the UPS switches to Normal mode
operation while the battery recharges.
If battery capacity becomes low while in Battery mode, the I3 indicator
begins to flash and the Output On indicator remains lit, indicating
approximately two minutes before UPS shutdown. The alarm beeps
every two seconds.
Avaya Model 6000 UPS Operator's Manual
µ
i ndicator and the
Figure 16. Bypass Operation Indicators
indicator illuminates. The front panel displays the
OVERLOAD
I1
I2
I3
OUTPUT ON
BATTERY
ONLINE
>75%
CAPACITY
REMAINS
Figure 17. Battery Operation Indicators
167-405-115 Issue 5 Uncontrolled Copy
S
indicator illuminate simultaneously,
OVERLOAD
I1
I2
I3
OUTPUT ON
LOAD ON
UNIT ON
BYPASS
BATTERY BATTERY
BATTERY
ONLINE ONLINE
ONLINE
>50% >25%
LOW
CAPACITY CAPACITY
BATTERY
REMAINS REMAINS
WARNING
UPS Operation
BATTERY
ONLINE
SHUTDOWN
IMMINENT
43