American Power Conversion 100 VAC - Manual (Page 13)

9 990-7096 Rev. 2
C
HAPTER
4: O
PERATION
Front Panel
This rack mount UPS has the power control and operating indicators located on the front panel.
0
|
TEST
Operation
The ON and OFF buttons control the power to the outlets on the UPS. They can be used as a
master On/Off switch for the connected equipment. The charger and communication circuits of
the UPS remain operational as long as it is plugged into an acceptable utility power outlet.
Power On
|
T E S T
Press and release the large, upper button labeled “l TEST” to supply power to the connected
equipment. The equipment is immediately powered while the UPS performs a self-test.
Power Off
0
Press and release the small, lower button labeled “0” to turn off power to the connected
equipment.
Whenever the UPS is plugged in and utility voltage is present, the charger maintains
battery charge.
Load Bar Graph
85%
67%
50%
33%
17% The 5-LED display on the left of the front panel shows the percentage of available power being
used by the connected equipment (load). The display shows the voltage level between the highest
LED lit and the next higher value. For example, if three LEDs are lit, the connected equipment is
drawing between 50% and 67% of the UPS’s capacity. If all five LEDs are lit, the connected
equipment is drawing between 85% and 100% of capacity. Thoroughly test your complete system
to make sure that the UPS will not become overloaded. In the graphic to the left, the load capacity
threshold is listed next to the LED (these are not shown on the actual UPS).
Self-Test
During the self-test, the UPS briefly operates the connected equipment on-battery. If the UPS
passes the self-test, it returns to on-line operation. If the UPS fails the self-test it immediately