
6
Electrical Installation
No.
Designation
Description
1
Earth
2
Digital Output
self-consumption switch / Relay
3
Terminal strip
Example shows eco 8.xx
4
Signal line
Digital Output storage system
5
Heat pump
6
Contact for activating the heat pump If existing, depending on the heat pump type
7
Consumers in building
8
Miniature circuit breaker
Available on site
9
Power meter
With current transformers, Figure shows WM 271
10
Residual current device (RCD)
Depending on grid conditions and mains topology
11
Storage system
12
Miniature circuit breaker
13
Public electrical mains
14
Bidirectional counter
15
Heat pump energy meter
If existing
16
RCD heat pump
If existing
17
RCD consumers
If existing
Table 6: Description of the wiring
6.8 Installing the battery modules
A sonnenBatterie hybrid 8.1 needs to be installed with at least three battery
modules (6 kWh). Only then it is possible to commission the storage system.
Improper handling of battery modules
Emission of toxic substances!
►
Do not open battery modules.
►
Do not damage battery modules.
Very high short-circuit currents are possible
Risk of burns!
Before working on the DC circuit:
►
Set aside metal jewellery.
►
Switch off the storage system.
►
Switch off the series fuse.
►
Remove the orange fuse
connectors on all battery modules.
►
Use tools with insulated handles.
44 / 68
KD-421 | Part no. 22136 | EN | X03
CAUTION
DANGER
WARNING
Notice
CAUTION
DANGER
WARNING
Notice
CAUTION
DANGER
WARNING
Notice