Protect 5.31/xxx-480-220-120 10 kVA - 120 kVA
Page 31 of 56
8000020680 BAL, en
7.2
Starting up the UPS (Individual Unit)
Step Action
DOU
LED
Display
1
Q1 and battery isolator (external) to the "OFF" position.
2*
Q29 (internal option) to position "2" service mode.
3
Switch on mains voltage for rectifier and SBS circuits. Wait
until the self-test finishes.
Red/yellow/green
continuously
Self-test
4*
Q29 (internal option) to position "1" inverter operation.
5
The loads are supplied by the SBS.
Green and yellow
flash
6
When starting up the unit for the first time, select the dialog
language of the DOU.
Main menu -
operating display
7
Q1 to the "ON" position. The rectifier starts automatically.
The DC voltage increases.
8
The DC voltage reaches its final value and the inverter is
supplied with power.
Yellow OFF
DC symbols OK
9
Check voltage values and polarity at the battery isolator.
10
Battery isolator (external) set to "ON".
The batteries are charged.
11
Switch on the inverter using the "
∼
I" key on the DOU.
INV
symbol
flashes
12
The AC voltage reaches its final value.
13
Following synchronisation with the SBS circuit, the system
is switched over from SBS operation to inverter operation
and the loads are supplied with power.
Green ON
Power flow
display via
the INV
14
Connect the loads.
* Step only required when Q29 is installed
Table 4 Starting up the Protect
