GUPS 2400A
–107 Operation Manual
3-1
SECTION 3
OPERATION
3.1
Introduction
This section provides detailed information on the controls and indicators, input/output
connections, start-up and shutdown sequences, battery operation, and the RS-232 data
communications port.
3.2
Control and Indicator Panel
All controls and indicators for the GUPS 2400A-107 are located on the front panel of the unit.
There are no operator adjustments inside the unit. Refer to Figure 3
–1 for the location of the
controls and indicators listed below.
There are eight indicators and three pushbutton switches on the panel. In addition, there is an
input circuit breaker located below the control panel.
3.2.1
Indicators
AC INPUT
Three green LED‘s that indicate the presence of line voltage at the AC input. The indicators turn
on when the line voltage is greater than 90V (phase voltage greater than 52V).
ON BATT
An amber LED that indicates the loss of AC input and operation from battery power.
BATT
A three-color LED that indicates the condition of the battery. The LED is green under normal
operating conditions, amber when the battery is discharging or has low capacity while charging,
and red when the battery capacity is low and impending inverter shutdown is approached.
LOAD
A three-color LED that indicates the amount of output load. The LED is green when the load is
less than 80% of maximum output, amber when the load is within 80% to 105%, and red when
the load exceeds 105% (indicating that the inverter will shut down if the load is maintained).
