7
Object
Description
A
DC
connectors
(
−
)
for
connec ng
the
PV
strings
B
DC
connectors
(
+
)
for
connecting
the
PV
strings
C
Socket
for
the
AC
connection
plug
D
Slot
for
the
communication
connection
area
(Quick
Module
/
RS485
Quick
Module)
5.2
Connection
to
the
Public
Grid
(AC)
5.2.1
Conditions
for
the
AC
Connection
CAUTION!
Load
Disconnection
Unit
You
must
install
an
individual
circuit
breaker
for
each
inverter
in
order
that
the
inverter
can
be
safely
disconnected
under
load.
5.2.2
Connecting
to
the
Public
Grid
(AC)
Overview
of
the
AC
Coupling
Socket
Object
Description
A
Socket
for
the
AC
connection
plug
B
Socket
element
C
Threaded
sleeve
with
sealing
ring
for
cable
diameters
from
10
mm
to
14
mm
D
Sealing
ring
for
cable
diameters
of
6
mm
to
10
mm
E
Clamping
nut
Connecting
to
the
Public
Grid
(AC)
1.
Measure
the
grid
voltage
and
it
should
between
the
permissible
voltage
range
(VAC).
2.
Disconnect
the
circuit
breaker
between
the
inverter
and
the
grid.
3.
Connect
AC
cable
as
follow:
