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6 | Commissioning
32 / 40 Installation instructions sonnenBackup-Box
6 Commissioning
6.1 Commissioning checklist
Check the following points before switching on the storage system and therefore also the
Backup-Box:
ü
All cables are completely and correctly connected.
ü
A three-pole miniature circuit breaker (max. nominal current 32 A, type C) is installed up-
stream of the input for the Backup-Box.
ü
All consumers in the backup circuit are protected by a residual current device with a maximum
nominal differential current of 30 mA.
ü
The electrical cables meet the requirements of all local and national guidelines for cable di-
mensions.
ü
The earth connection between the Backup-Box and main earthing terminal is in place and has a
cross-section of 10 mm² (CU cross-section or equivalent).
6.2 Switching on the Backup-Box and the storage system
To switch on the storage system and the Backup-Box, the following steps must be per-
formed in the given order:
1. Ensure, that storage system and Backup-Box are disconnected from the power supply
2. Ensure, that the F1.B miniature circuit breaker inside the Backup-Box is switched on.
3. Switch on the grid voltage to the storage system and the Backup-Box using the re-
spective miniature circuit breakers in the mains line.
4. Switch on the storage system as described in the respective installation instructions.
6.3 Setting up the Backup-Box
Conditions:
ü
The storage system is connected to the router of the home network.
ü
Your laptop or PC also accesses the home network.
„
Navigate to the following internet address: https://find-my.sonnen-batterie.com
„
Start the commissioning assistant 2.
„
Run through the commissioning assistant and activate the Backup-Box at the appropri-
ate point. The emergency buffer can also be set. This buffer can be changed at a later
point as described in the following section.
6.4 Setting the backup buffer
Proceed as follows to set what percentage of the capacity of the storage system should be
available for the Backup-Box in the event of a grid outage.
„
On the web interface of the storage system, navigate to the Settings page.
„
Change the percentage for ‘backup-buffer’ to a desired value.