Fig 4-2: single module operator control panel – Liebert 130 kVA User Manual
Page 44
User Manual
Hipulse - Single Phase ‘1+N’ UPS System
130 kVA - 110V
24
4.1.1
Operator control panel
The control and display panel LEd indications are illustrated in figure 4-2 and
described in the following text:
Mimic indications
Six LED’s mounted on a single line diagram represents the various UPS power paths
and show the current UPS operation status:
1. Bypass supply healthy
This led illuminates when the bypass a.c. input power switch is closed and the input
supply is within of set value nominal voltage (default ±10%)
2. Input supply healthy and Rectifier is operative.
3. Battery voltage healthy (i.e. between ‘under - voltage cut-off’ and ‘over - voltage
trip’ levels).
4. Inverter output healthy.
5. Load on Inverter status
This led illuminates when the output power switch is closed and the load is connected
to the inverter.
6. Load on Bypass status.
This led illuminates when the output power switch is closed and the load is connected
to the bypass a.c. supply via the static switch.
Inverter control switch
7. Inverter ON (Only for UPS above 80kVA rating) - Manual inverter selection switch.
8. Inverter LED - inverter status indicator contained within the switch icon.
The Inverter LED (yellow) indicates when the Inverter is switched OFF.
Fig 4-2: Single module operator control panel
ESC
MENU
ENTER
INV
%
DISPLAY
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3
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