4 | Operation
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Operating instructions sonnenProtect 2500
4 Operation
4.1 Function
A storage system with sonnenProtect automatically switches from grid to backup opera-
tion (and vice versa). The two operating modes are described in the following.
4.1.1 Grid operation - no grid outage
5
20
40
60
80
100
ON AL
Test
Reset
R
AL
kΩ
1
2 3
5
F1
SPV
2
6
3
I
0
off
off
off
4
2
3
+
Illustration 2: Grid operation - no grid outage
1
Consumer connected to phase L1
6
Storage system
2
Consumer connected to phase L2
7
Battery of the storage system
3
Consumer connected to phase L3
8
PV system
4
Consumer connected to backup circuit
9
Public electricity grid
5
sonnenProtect
In grid operation the consumers connected to phase L1 to L3 and the consumers connec-
ted to the backup circuit (1 - 4) are connected to the public electricity grid (9). All con-
sumers in the house are supplied with electrical power. The storage system controls - as
described in the product documentation of the storage system - the energy flows in the
building.
