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
19 Parameter Lists SMA America, LLC
166 SI4548_6048-US-TB_en-13 Technical description
145# SIC50 4
19.2 Adjustable Parameters
19.2.1 Inverter Settings (210#)
No. Name Description
01 Sic4EgyCntIn Energy of the fourth Sunny Island Charger in kWh
02 Sic4TdyEgyCntIn Daily yield of the fourth Sunny Island Charger in kWh
03 Sic4PvPwr PV power of the fourth Sunny Island Charger in W
04 Sic4PvVtg PV voltage of the fourth Sunny Island Charger in V
05 Sic4BatVtg Battery voltage of the fourth Sunny Island Charger in V
06 Sic4BatCur Battery current of the fourth Sunny Island Charger in A
07 Sic4HsTmp Heat sink temperature of the fourth Sunny Island Charger in °C
08 Sic4SWVers Software version of the forth Sunny Island Charger
No. Name Description Value Explanation Default
value
01 InvVtgNom Nominal voltage
of the Sunny Island
120 V / 60 Hz 120 V
02 InvChrgCurMax Maximum AC
charging current
SI 4548-US-10 37.5 A
SI 6048-US-10 48 A
03 InvFrqNom Nominal
frequency of the
Sunny Island
120 V / 60 Hz 60 Hz










