Technical data

11
8 Monitoring and control, Interfaces
MASTERGUARD Series SIII
UPS Systems from 60 to 800 kVA
MKA4CAT0UKSIII/Rev. 11-11/2004/UK
8.4 Keyboard lock
The mimic panel shall be equipped
with a front panel key that allows
Start Inverter Stop Inverter Reset Fault
Set/reset Battery Test Set/reset Autonomy Test Set/reset Boost Charge
Test PFC Set/reset Service Input Set/reset I/O Configuration
LIFE Manual Call Reset Delay Call
OK LED (green) Normal Operation
When this light is on (not flashing), the system is running normally and neither warnings nor
alarms are present. During mains failures (all other conditions at being nominal level), this LED
will flash.
Warning LED (yellow) Warning Condition(s) present
This indication shall be activated by the presence of anomalous conditions, which could affect
the nominal functioning of the UPS. These conditions are not originated with the UPS, but may
be caused either by the surrounding environment or by the electrical installation (mains side and
load side). It shall be possible to read the description of the active
warning(s) by browsing the relevant LCD display menus.
Alarm LED (red) Alarm Condition
When this light is on, immediate attention should be given to the severity of the alarm, and
service should be called promptly. It shall be possible to read the description of the active
alarm(s) by browsing the relevant LCD display menus.
8.6 LCD display menus description
By using the appropriate push buttons
it shall be possible to browse the
following menus:
Rectifier/Charger and Battery
This menu shall display rectifier status,
alarms, voltage, total DC current,
battery current with polarity and
battery temperature. When the
inverter is supplied by the battery, the
module shall display remaining
autonomy time. A change in load shall
cause the autonomy indicator to
instantaneously display the new
autonomy time.
Inverter
This menu shall display alarms, phase
to neutral voltages, frequency
measurements, inverter heatsink
temperature and cooling air
temperature.
Reserve Supply
This menu shall display alarms, phase
to neutral voltages and frequency
measurements.
Load/Static Switch
This menu shall display alarms,
current per phase, frequency
measurements, load percentage
capacity per phase and the peak factor
Ipk/Irms for each phase of the load
current. It shall be possible to display
the total time the load has been
supplied by the inverter, and by
reserve, the number of mains failures
and the total duration of these failures.
Listed below are the most significant
messages which may be displayed by
the graphical LCD in the various
menus. The exhaustive messages list
and menus description is published in
the User Manual.
users, once the lock is set in the Off
position, to disable any command
which may be entered through the
mimic panel.In this state, if the
8.5 General Status LED
Three LED indicators it shall render it
possible to obtain a quick and general
understanding of the status of the
UPS, as described below.
operator attempts to perform any of
the following actions, a message
reading “COMMANDS DISABLED”
will appear on the LCD:
Tecnico-SIII-MG 10-11-2004 8:22 Pagina 11