Backup Output Connection (Ac) - ABB REACT 2 Series Product Manual

B
ACKUP output connection (AC)
Any failure of the inverter when it is not connected to ground through the appropriate terminal (AC
connector) and to the metal frame (external grounding protection) is not covered by the warranty.
ted loads isolated from the grid.
b
a
See the "REACT2-Backup output use" document on the ABB site for more information
To connect the BACKUP output of the inverter, 3 connections are ne-
cessary: ground, neutral and phase. In any case, connection of the
inverter to ground is mandatory.
(BACKUP) cable gland (side inside the REACT2-UNO).
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The installation is carried out:
-
a
-
b
Insert the backup cable into the REACT2 using the AC output (BACKUP)
cable gland (M25 with toroid) and make the connections to the AC output
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(BACKUP) screw terminal block
Use a properly sized tripolar cable and check the tightness of the AC output
(BACKUP) cable gland
at the end of the installation.
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BATTERY
COMM.
POWER
DC SWITCH
The REACT2 system is equipped with an AC BACKUP output that can
be activated in different 2 ways:
- Backup Mode: AUTO
Automatic activation in case of loss of main (blackout).
- Backup Mode: External Control
An External command/signal is used for activating the output (Com-
munication and control signal terminal block
The selection of the backup mode is performed during the commissio-
ning wizard.
- 81 -
5 - Installation
.
42
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PV
METER
BACKUP GRID
, terminal 1-3).
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-