SI4548-US-10 Manual
Table Of Contents
- 1 Information on this Manual
- 2 Sunny Island 4548-US/6048-US
- 3 Safety Precautions
- 4 Assembly
- 5 Opening and Closing
- 6 Electrical Connection
- 7 Control Elements
- 8 Initial Start-Up
- 9 Switching On and Off
- 10 Operation
- 11 Archiving Data on an SD Card
- 12 Additional Functions
- 12.1 Load Shedding
- 12.2 Sleep Mode
- 12.3 Time-Controlled Operation
- 12.4 Overload and Short-Circuit Behavior
- 12.5 Mixed Operation with Sunny Island inverters of Different Power
- 12.6 Device Faults and Autostart
- 12.7 Automatic Frequency Synchronization
- 12.8 Time-Controlled Standby
- 12.9 Behavior in the Event of a Failure in a Three-Phase System
- 13 Battery Management
- 14 Connecting External Sources
- 14.1 Generator
- 14.1.1 Parallel Connection
- 14.1.2 Generator Start Options
- 14.1.3 Generator Operation
- 14.1.4 Manual Generator Operation
- 14.1.5 Automatic Generator Operation
- 14.1.6 Limits and Power Control
- 14.1.7 Run Times
- 14.1.8 Operation Together with PV Inverters and Wind Power Inverters
- 14.1.9 Stopping the Generator
- 14.1.10 Stopping the Sunny Island
- 14.1.11 Disturbances
- 14.2 Grid
- 14.2.1 Limits of the Voltage Range and Frequency Range
- 14.2.2 Starting the Sunny Island
- 14.2.3 Operation in the Event of Grid Failure in a Grid-Tie Backup Configuration
- 14.2.4 Backup Operation and Anti-Islanding
- 14.2.5 Grid Reconnection
- 14.2.6 Grid Operation
- 14.2.7 Grid Failure
- 14.2.8 Disturbances
- 14.2.9 Limits and Power Control
- 14.2.10 Operation Together with PV Inverters and Wind Power Inverters
- 14.3 Generator and Grid
- 14.1 Generator
- 15 Relays
- 16 Multicluster Operation
- 16.1 Communication between the Sunny Island inverters
- 16.2 Initial Start-Up of the Multicluster System
- 16.3 Switching a Multicluster System On and Off
- 16.4 Generator Operation
- 16.5 Behavior with Different States of Charge
- 16.6 Testing the Multicluster Communication
- 16.7 Automatic Frequency Synchronization
- 16.8 Updating the Firmware
- 16.9 Error Handling in the Multicluster System
- 16.10 Grid Operation
- 16.11 Generator Emergency Operation
- 17 PV Inverters
- 18 Maintenance and Care
- 19 Parameter Lists
- 20 Troubleshooting
- 21 Accessories
- 22 Technical Data
- 23 Glossary
- 24 Contact
SMA America, LLC Table of Contents
Technical description SI4548_6048-US-TB_en-13 7
Table of Contents
1 Information on this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.1 Validity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.2 Target Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.3 Additional Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.4 Terminology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2 Sunny Island 4548-US/6048-US . . . . . . . . . . . . . . . . . . . . . . . 16
2.1 Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2 At a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3 Scope of Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.4 Required Tools and Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.5 Identifying the Sunny Island. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.1 Important Information on Operation . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.2 Potential Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.1 Selecting the Mounting Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2 Mounting the Sunny Island with the Wall Mounting Bracket . . . . . . 31
4.2.1 Mounting the Sunny Island on a Stone Wall . . . . . . . . . . . . . . . . . . 32
4.2.2 Mounting the Sunny Island Using Wall Studs . . . . . . . . . . . . . . . . . 34
5 Opening and Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.1 Opening the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.2 Closing the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.2 DC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.2.1 Safety Precautions/Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.2.2 Cable Dimensioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.2.3 Cable Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.2.4 Connecting the Sunny Island on the DC Side . . . . . . . . . . . . . . . . . 43