Start-up, shut-down & manual bypass
OM226132 Rev. A
3
3. SHUT-DOWN PROCEDURE (LOAD NOT SUPPLIED )
Nr. ACTION
LCD DISPLAYING
UPS OPERATION
1
Open OCB
A19 OCB OPEN
The supply to the load is interrupted. LED #7
lit orange
2 Open
BCB
A7
BCB
OPEN
The battery is disconnected from the
rectifier. LED #4 red flashing
3 Open SBCB
A7 BCB OPEN
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 BY-PASS 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
Move the “NORMAL-
BYPASS” switch on
BYPASS
A16 BYP
LOAD The load is transferred to the by-pass static
switch. LED #5 off, LED #6 lit orange.
2 Open RCB
A1 MAINS FAULT The rectifier is switched off; the inverter is
still on supplied by the batteries. LED #1 off,
LED #4 green flashing.
3 Open BCB
A1 MAINS FAULT The batteries are disconnected and the
inverter is switched off. The load is still
supplied by the by-pass static switch. LED
#4 orange flashing.
4 Close MBCB
BLANK
The load is supplied by the mains through
the manual by-pass circuit breaker. The by-
pass static switch is still closed.
5
Open SBCB
BLANK
The by-pass line is disconnected.
6 Open OCB
BLANK
The load is now supplied directly by the
mains through the manual by-pass circuit
breaker. The UPS is isolated.