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
20 Troubleshooting SMA America, LLC
216 SI4548_6048-US-TB_en-13 Technical description
20.8.8 AUX Category
W749 1 Short circuit or cable break on transformer temperature sensor slave 3
W750 1 Short circuit or cable break on heat sink temperature sensor slave 1
W751 1 Short circuit or cable break on heat sink temperature sensor slave 2
W752 1 Short circuit or cable break on heat sink temperature sensor slave 3
W753 1 Invalid system time
F754 2 Communication with Multicluster Box interrupted
W755 1 Battery Preservation Mode 1 (LBM)
W756 1 Battery Preservation Mode 2 (LBM)
W757 1 Battery Preservation Mode 3 (LBM)
W758 1 No output voltage measured from the main cluster
W759 1 No output voltage measured from slave 1 of main cluster
W760 1 No output voltage measured from slave 2 of main cluster
W761 1 No output voltage measured from slave 3 of main cluster
F781 4 Error at a slave which leads to shutdown of the system
(for the "RunMod" function)
F782 4 Failure of the grid monitoring
F783 2 Slave does not receive a Syncpuls
F784 2 Slave does not receive a Syncpuls Slave 1
F785 2 Slave does not receive a Syncpuls Slave 2
F786 2 Slave does not receive a Syncpuls Slave 3
Display no. Level Description
F801 4 Plausibility check of contactors in a Multicluster Box failed
W804 1 Grid operation not possible
W805 1 Generator operation not possible
F806 4 Multicluster Box settings do not match software settings.
W807 1 No valid line voltage for requested grid operation
W808 1 Error Q4 contactor
F809 4 Error Q10 contactor (load shedding)
F810 4 Error in 15 V supply of the Multicluster Box
F811 4 Error in 24 V supply of the Multicluster Box
Display no. Level Description










