Installation Guide
DLX seriesL00410622-01
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Ensure that the conductors are listed for PV applications and the site environment, and
that they have the correct color coding.
2.4. Electrical Installation
Contact the local utility company for interconnection agreements and power approval
before connecting to the grid.
Correct electrical connection is critical for achieving a safe, long-term and reliable
operation of the entire PV system.
NOTICE
Only persons who are qualified to install high voltage electrical equipment and are
familiar with the electrical regulations applicable to the installation site may install
the inverter. This is to ensure a safe connection and avoid electrocution!
DANGER
Never work with live wires! All work on the inverter must be performed with
disconnected terminals, as contact with live wires may cause serious injury or
death!
2.4.1. Connection Area
The
DC connections
are achieved by the use of a Stringbox with DC switch and three sets
of DC connectors. The connection of the
AC and the network
cables are with screw
terminals and a RJ45 connector.
Figure 2.4.1: Stringbox with DC switch
1.
CAN bus terminal
2.
RS-485 terminal
3
Ethernet port
4.
Internal DC terminal blocks,
+POS
and
-NEG
5.
Internal DC ground receptacle,
GND/PE
6.
Stringbox equipped with DC switch
7.
Internal AC terminal block
