3
Product description
3.3 The function of the switches
1
PV system
2
Storage system
3
Inverter
4
AC circuit breaker
5
Mains connection
6
Battery
F1
Fuse switch
SPV PV disconnector
PV disconnector (SPV)
The PV disconnector (SPV) is in the
DC circuit between the PV system (1)
and the inverter (3).
In switch setting
I
the PV system and
the inverter are connected together.
In switch setting
0
the PV system and
the inverter are isolated from one
another on all poles.
Fuse switch F1
The fuse switch F1 is in the DC circuit
between the battery (6) and the
inverter (3).
In switch setting
ON
the battery and
the inverter are connected together.
In switch setting
OFF
the battery and
the inverter are isolated from one
another.
AC circuit breaker
The circuit breaker (4) is in the AC
circuit between the public electricity
network (5) and the storage system (2).
3.4 Type plate
The type plate for the storage system is located on the outer surface of the system.
The type plate can be used to uniquely identify the storage system. The
information on the type plate is required for the safe use of the system and for
service matters.
The following information is specified on the type plate:
•
Item designation
•
Item number
•
Technical data of the storage system
14 / 68
KD-421 | Part no. 22136 | EN | X03
Figure 2: Block diagram of the switching
elements
F1
SPV
2
6
3
1
5
I
0
off
off
off
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