Start-up, shut-down & manual bypass
4 of 5
JUD408313 Rev. A JSE410256 17/01/2008
• If an external battery cabinet is installed check the interconnections
between the auxiliary contact of the battery breaker (in the external
cabinet) and the terminals Bac1-Bac2 of the UPS.
3. SHUTDOWN PROCEDURE
Nr. ACTION LCD DISPLAYING UPS OPERATION
1
Open OCB
A30 GENERAL ALARM
A19 OCB OPEN
The supply to the load is interrupted. LED #7
off.
2
Open BCB
A7 BCB OPEN The battery is disconnected from the
rectifier. LED #4 orange flashing
3
Open SBCB
A15 BYP FAULT The by-pass line is disconnected. LED #2
off.
4
Open RCB
A1 MAINS FAULT The rectifier and inverter are switched off.
5
BLANK Shut-down procedure end.
4. MANUAL BYPASS PROCEDURE
WARNING
During manual bypass operation the load is supplied directly by the mains, therefore
continuous supply is not guaranteed.
Nr. ACTION LCD DISPLAYING UPS OPERATION
1
Switch
“NORMAL
BYPASS”
selector on
BYPASS
A30 GENERAL ALARM
A22 BYP SWITCH
A16 BYP Æ LOAD
The load is transferred to the by-pass static
switch. LED #5 off, LED #6 lit orange.
2
Close MBCB
A31 MBYPBUS CLOSE
A25 INVERTER STOP
A18 MBY CLOSE
The load is supplied by the mains through
the manual by-pass circuit breaker.
The inverter is switched off. LED #8 lit
orange.
3
Open OCB
A19 OCB OPEN LED #7 Off. The Inverter Restart.
4
Open SBCB
A15 BYPASS FAULT
/A25 INVERTER STOP
LED #5 lit green, LED #6 Off, LED #2 Off no
Bypass.
5
Open BCB
A7 BCB OPEN The Battery is disconnected.
LED #4 flashing orange.
6
Open RCB
BLANK The load is now supplied directly by the
mains through the manual by-pass circuit
breaker. The UPS is isolated.
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