Start-up, shut-down & manual bypass
4 OMX76015 REV. A
2. START-UP PROCEDURE
To start the UPS, proceed as follows.
This general procedure is valid for each type of configuration; in parallel
configurations, refer to Q11 output connection switch of the rectifier and the battery.
WARNING
Before switching on the UPS, ensure that:
1) the “EPO” emergency stop button (if present), situated near the front panel, is in the
released position; on the contrary, press it before continuing with the start
procedure.
2) rotation in the voltage phase for input and output is correct.
1) Close RICB and wait until the display switches on.
WARNING
Advance closure of the switches BCB or Q11 (before it is requested by the front
panel) can damage the capacitor bench of the inverter and the battery.
2) Follow the instructions outlined on the display for closure of the circuit switches
and the disconnector switches.
No. LCD MESSAGE ACTION UPS BEHAVIOUR
1 BLANK Close RICB.
2
UPS STARTUP
PLEASE WAIT
The control unit is powered. All the LEDs
of the front panel switch on for a second.
3
RECTIFIER STARTUP
PLEASE WAIT
The UPS control unit is in standby for the
power mains to work properly. The green
indicator light of LED #1 is on.
4
RECTIFIER STARTUP
MOVE SELECTOR ON
Move selector
(if present)
If the rectifier ON/OFF selector is
present and in the OFF position, the
display asks for its movement to the ON
position.
5
RECTIFIER STARTUP
CLOSE ROCB
Close ROCB
(if present)
If ROCB is open, the display asks the
user to close it.
6
RECTIFIER STARTUP
PLEASE WAIT
The rectifier output direct voltage
increases up to the nominal value. The
micro-processor checks all the start
parameters are working properly. The
green indicator light of LED #2 and LED
#3 are on.
7
RECTIFIER STARTUP
CLOSE Q11
Close Q11
(if present)
If switch Q1x is present and is open, the
display asks to close it once rectifier
start-up is complete.
8
RECTIFIER STARTUP
PLEASE WAIT
The UPS control unit is going to start the
battery.
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