1029052
UPS 675-1100 kVA 3..4x(225-275) kVA
93
Revision 008
User’s and Installation Guide
7.1.2 Circuit breakers
The optional circuit breaker (CB1) is used to control the AC input to the UPS rectifier. CB1 has three
positions:
ON
,
OFF
and
tripped
. Before it can be set to
ON
from the
tripped
position, it needs to be
set to
OFF
position.
7.2 Using the control panel
The following sections describe the UPS control panel, including controls and indicators, and how to
monitor UPS operation. The control panel (see Figure 7-2) is located on the front door of the UPS.
Figure 7-2. UPS control panel
The control panel consists of the following:
•
A liquid crystal display (LCD) (1)
•
A horizontal row of pushbutton switches (2)
•
A vertical column of status indicators (3). See Section 7.2.1.
The following sections describe using the UPS control panel to monitor the UPS. See Section 7.3 for
use of the operational controls.
When the unit powers up, the screen displays Eaton as shown in Figure 7-2. To advance to the main
menu and mimic screen, press any control panel pushbutton once.
7.2.1 Status indicators
The four symbols on the right side of the control panel are status indicators. They are colored light
emitting diode (LED) lamps, and they work in conjunction with the alarm horn to let you know the
operating status of the UPS. Table 7-1 shows the status indicators and provides a functional
description.
Indicator
Status
Descriptions
Green
On
The UPS is operating normally and supplying power to the critical load.
Off
The UPS is turned off.