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Circuitry Overview
SMA Backup 1P-AU circuitry overview
System Overview
Product Description
Table of Contents
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Information on this Document
Validity
Target Group
Content and Structure of this Document
Levels of Warning Messages
Symbols in the Document
Typographies in the document
Designations in the Document
Symbols on the Product
Additional Information
Safety
Intended Use
IMPORTANT SAFETY INFORMATION
Scope of Delivery
Product overview
Information about the automatic backup system
Purpose of an Automatic Backup System
Function of the automatic transfer switching device
How automatic backup operation works
System Overview
Circuitry Overview
Product Description
Mounting
Optional: Prepare the enclosure
Wall Mounting
Optional: Remove lid
Removing the installation cover
Electrical Connection
Removing the grounding conductor connection on the inverter
Requirements for the electrical connection
Permitted grid configurations
SPS IN signal cable requirements
Requirements on the SPS OUT AC cable for connection to the inverter
Requirements on the AC cables for the connections to the battery back-up loads and to the utility grid
Requirements on the AC cable to the inverter
Enclosure opening
Overview of the Connection Area
Connecting the connections to the automatic transfer switching device
Optional: Connecting residual-current device
Optional: Connecting additional Energy Meter CT and additional miniature circuit breakers
Placing a notice about backup operation on the meter cabinet
Connection Area of the Inverter
Operation
Changing parameters
Updating the inverter firmware version
Setting parameters for automatic backup operation
Testing automatic backup operation
Closing the enclosure
Troubleshooting
Decommissioning the Product
Disposal
Technical Data
General Data
Parallel grid operation
Automatic backup
Switchover times (adjustable parameters)
Contact
