Sonnen sonnenBatterie eco 7.0 Series, Operation And Installation Instructions Manual, Page: 51 / 115

Electrical connection 6
1 Public grid F50 Miniature circuit-breaker 10 A (Eaton)
2 Transformer interface for consumption K30 Installation contactor 24 Vdc (Eltako)
3 Storage system K40 Installation contactor 24 Vdc (Eltako)
4 Consumer in household K31 Installation contactor 230 Vac (ABB)
5 Two-rate meter K41 Installation contactor 230 Vac (Siemens)
6 Up/down meter
7 Heat pump
Terminals 8, 9, 10 and 11 are all on GND potential. Join coil connections A2 of K30 and K40 to one of these
terminals.
KD-262 | Part-No 52199 | EN | Version 1.00 Page 51 of 115
Figure 30: Control heat pump
kWh 3~
L1
L2
L3
N
PE
L1 L2 L3 N PE
4
1
K31
K41
K31 K41
K30 K30
K40
F50
A1
A2
A1
A2
L
N
6
3
kWh 3~
5
N
7
18 25 19 20 21 22 23 24 5 6 7 8 9 10 11
A1
A2
A1
A2
K30 K40
+24 VDC +24 VDC GND
T
35 36 37
3
5
6
38 39
K
L
K
L
K
L
1 2 3
KSW
2