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000566AG
5 - Installation
E
xternal backup command connection
The REACT system is equipped with a Backup AC output that can be
activated in different operating modes that can be set via a display menu.
Some modes (“Manual 1”, “Manual 4” and “Auto 1”) demand that entry
into backup is also subordinate to the state of terminal 1 compared to
terminal 3 on the communication and control signal terminal block
21
.
When terminal 1 is brought to the same potential as terminal 3 (i.e.
creating a short circuit between the two terminals on the terminal block),
entry into backup mode is activated.
The condition of going into backup is shown on the display.
Since this is a digital input, there are no requirements to be observed
as regards cable cross-section (it only needs to comply with the sizing
requirement for passing cables through the cable glands and the terminal
block).
R
emote control connection
The connection and disconnection of the inverter to and from the grid can
be controlled through an external control.
The function must be enabled in the relevant menu. If the remote control
function is disabled, the switching on of the inverter is dictated by the
presence of the normal parameters that allow the inverter to connect to
the grid.
If the remote control function is on, besides being dictated by the presence
of the normal parameters that allow the inverter to connect to the grid,
switching on the inverter also depends on the state of terminal 4 (positive
state of the remote ON/OFF) with regard to terminal 2 (ON/OFF remote
negative) on the communication and control signal terminal block
21
.
When terminal 4 is brought to the same potential as terminal 2 (that is
to say when a short circuit is created between the two terminals on the
terminal block), the inverter is disconnected from the grid.
The remote control OFF condition is shown on the display.
Since this is a digital input, there are no requirements to be observed
as regards cable cross-section (it only needs to comply with the sizing
requirement for passing cables through the cable glands and the terminal
block).
21
Impostazioni
Remote ON/OFF
ENTER
Inverter
ENTER
Password 0000
ENTER
Impostazioni
Backup
ENTER
Inverter
ENTER
Password 0000
ENTER
21
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