Start-Up Procedure - LEGRAND Keor Hp Series Installation And Startup

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
Battery circuit breaker BCB is external to the UPS system.
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
1 BLANK
2 BOOT LOADING
3 EEPROM READING
4 UPS START UP
WAIT PLEASE
5 RECTIFIER START UP
WAIT PLEASE
6 INVERTER START
WAIT PLEASE
7 BYPASS START UP
CLOSE SBCB
36 OMD36055 REV. D
Installation and start-up of UPS Keor Hp 200-300kVA
Installation et démarrage de l'UPS Keor Hp 200-300 kVA
Installazione e avviamento UPS Keor Hp 200-300kVA
ACTION OPERATING CHECKS
A few seconds after the closing of input
circuit breaker RCB the pre-charging phase
Close RCB of the capacitive bank will start. The control
logic will be started and the front panel will
be activated.
"BOOT" phase where the UPS firmware can
be
procedure. All the LED's on the front panel
are on.
Reading of the configuration parameters
stored in the EEPROM.
All the LED's on the front panel are off.
UPS start-up. LED #1 is on - input voltage
present.
The IGBT rectifier bridge starts to modulate;
VDC voltage reaches the nominal value.
LED #3 is lit green: DC voltage present.
The modulation of the inverter bridge is
started. The AC output voltage reaches the
nominal value. After a few seconds the static
inverter
green: static switch SSI closed.
Close SBCB
updated following
switch is closed. LED #5 is lit
the appropriate