APC 5000VA - Manual (Page 8)

CSI SECTION 16611 STATIC UNINTERRUPTIBLE SYSTEM
6.
Self-diagnostics, self-test and proactive fault detection;
7.
Communication to the host server via serial port;
8.
Communication to the Network Interface Card or another SmartSlot accessory
card if equipped.
9.
Etc.
B. Display/Control Unit: A display/control comprised of 16 LEDs and 2 pushbutton
switches is located on the front side of the UPS. The display/control unit may be turned
90 degrees clockwise or counterclockwise to accommodate for the way the UPS is
mounted: as a tower UPS or as a rack-mounted UPS.
C. The pushbutton switches located at the Display/Control Unit: The following controls
functions can be accomplished by use of the pushbutton switches located at the
Display/Control Unit:
1.
Turn the UPS on;
2.
Turn the UPS off;
3.
Initiate self-test in order to test battery condition;
4.
Silence audible alarm;
5.
Cold start.
6. Displaying input RMS voltage on the battery capacity LED bar graph.
D. Bypass switch: On the rear panel of the UPS (models rated 5000VA and higher) there’s
a switch that when engaged forces the UPS into bypass state provided the input voltage
and frequency are within acceptable limits.
E. EPO switch: The UPS is equipped with Emergency Power Off (EPO) terminal which
can be wired so as to provide means to instantaneously de-energize the UPS and its load
from a remote location in case of emergency.
F. Data displayed on the Display/Control Unit: The following indicators are available on
the Display/Control Unit:
1.
The UPS load LED bar;
2.
The UPS is online;
3.
The UPS is on battery;
4.
The UPS is in bypass;
5.
The UPS is overloaded;
CSI SECTION 16611 STATIC UNINTERRUPTIBLE SYSTEM