Effekta PEGASUS II 10 KVA, Operating Manual

Page: 55 / 128

Installation and start-up of UPS PEGASUS II
10-40 kVA
Rev.A 15/05/2012 55
5.2 START-UP PROCEDURE
EPO push-button and phase rotation
Before switching the UPS on, make sure that:
1)
the emergency power off “EPO” push-button, if installed, is not pressed. If not,
press it back to the rest position;
2) the input and output phase rotation is correct.
Circuit breaker BCB
Do not close
the battery breaker BCB before it’s required by the front panel. Serious
damages to the UPS internal parts and/or to the battery may occur.
No. LCD DISPLAY ACTION OPERATING CHECKS
1 BLANK
Close RCB
A few seconds after the closing of input
circuit breaker RCB the pre-charging phase
of the capacitive bank will start. The control
logic will be started and the front panel will
be activated.
2 BOOT LOADER
“BOOT” phase where the UPS firmware can
be updated following the appropriate
procedure. All the LED’s on the front panel
are on.
3 EEPROM READING Reading of the configuration parameters
stored in the EEPROM.
All the LED’s on the front panel are off.
4 EEPROM PARAM.
SENDING
Sending of the configuration parameters
stored in the EEPROM.
All the LED’s on the front panel are off.
5 PLEASE WAIT
6 UPS START UP
PLEASE WAIT
UPS start-up. LED #1 is on - input voltage
present.
7 RECTIFIER START UP
PLEASE WAIT
The IGBT rectifier bridge starts to modulate;
VDC voltage reaches the nominal value.
LED #3 is lit green: DC voltage present.
8 INVERTER START UP
PLEASE WAIT
The modulation of the inverter bridge is
started. The AC output voltage reaches the
nominal value. After a few seconds the static
inverter switch is closed. LED #5 is lit
green: static switch SSI closed.
9 BYPASS START UP
CLOSE SBCB
Close SBCB