SMA SUNNY ISLAND 6048-US - Technical Description Manual

SMA SUNNY ISLAND 6048-US

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SI4548_6048-US-TB_en-13 | Version 1.3

US

Off-Grid Inverter

SUNNY ISLAND 4548-US/6048-US

Technical description

Table of Contents

Default Chapter4
- Important Safety Instructions4
- Table of Contents7
1 Information on this Manual15
- Validity15
- Target Group15
- Additional Information15
- Terminology15
2 Sunny Island 4548-US/6048-US16
- Properties16
- At a Glance22
- Scope of Delivery23
- Required Tools and Resources25
- Identifying the Sunny Island25
3 Safety Precautions26
- Important Information on Operation26
- Potential Hazards27
4 Assembly28
- Selecting the Mounting Location28
- Mounting the Sunny Island with the Wall Mounting Bracket31
  - Mounting the Sunny Island on a Stone Wall32
  - Mounting the Sunny Island Using Wall Studs34
5 Opening and Closing35
- Opening the Sunny Island35
- Closing the Sunny Island36
6 Electrical Connection37
- Grounding39
- DC Connection41
- AC Connection45
- Additional Connections50
- Interface for External Communication60
  - Connection of the Interface for External Communication60
7 Control Elements64
- Display Messages65
- DC Circuit Breaker65
- Buttons66
- Meaning of the Light-Emitting Diodes (Led's)66
- SD Card66
8 Initial Start-Up67
- Requirements67
- Starting the Quick Configuration Guide (QCG)67
- Commissioning the Battery Current Sensor71
9 Switching on and off73
- Switching on73
- Stopping the Sunny Island (Standby)74
- Switching off75
- Disconnecting the Device from Voltage Sources75
- Reactivating the Device Following Automatic Shutdown75
10 Operation77
- Menu Structure78
- Changing Parameters81
- Direct Access - Direct Access to the Parameters82
- Compact Meters82
- Entering the Installer Password86
- Display Messages (Overview)88
- Parameter Display91
- Display of Events92
- Display of Warnings and Failures92
11 Archiving Data on an SD Card93
- Inserting the SD Card96
- Removing the SD Card97
- Saving and Loading Parameters97
- Writing Log Data97
- Status Messages98
- Updating the Firmware99
12 Additional Functions102
- Load Shedding102
- Sleep Mode104
- Time-Controlled Operation104
- Overload and Short-Circuit Behavior104
- Mixed Operation with Sunny Island Inverters of104
  - Different Power104
- Device Faults and Autostart105
- Automatic Frequency Synchronization105
- Time-Controlled Standby105
- Behavior in the Event of a Failure in a Three-Phase System105
13 Battery Management106
- Battery Temperature107
- Start Options107
- State of Charge (SOC) and State of Health (SOH)107
- Charge Control109
- Battery Preservation Mode113
- Battery Diagnosis115
- Battery Lead Resistance115
14 Connecting External Sources116
- Generator116
- Grid129
- Generator and Grid137
15 Relays140
16 Multicluster Operation143
- Communication between the Sunny Island Inverters143
- Initial Start-Up of the Multicluster System145
- Switching a Multicluster System on and off146
- Generator Operation147
- Behavior with Different States of Charge147
- Testing the Multicluster Communication148
- Automatic Frequency Synchronization148
- Updating the Firmware148
- Error Handling in the Multicluster System149
- Grid Operation149
- Generator Emergency Operation149
17 PV Inverters150
- Connection to the Stand-Alone Grid (Protected Load Switch)150
- Setting of the Off-Grid Parameter151
- Configuration151
- Sunny Boy Parameter Settings151
- Frequency-Shift Power Control (FSPC)154
18 Maintenance and Care156
- Enclosure156
- Cleaning the Fans156
- Display156
- Function156
- Battery156
- Disposal156
19 Parameter Lists157
- Display Values157
- Adjustable Parameters166
- Diagnosis (300#)193
- Events, Warnings and Errors (History)201
  - Failure/Event (400#)201
- Functions in Operation201
  - Operation (500#)201
- Direct Access to the Parameters204
  - Direct Access (600#)204
20 Troubleshooting204
- Error Confirmation204
- Autostart Handling204
- Master-Slave Handling205
- Handling of Pending Errors During the Booting Procedure205
- Display of Failures and Events205
- Events206
- Failure Categories209
- Warnings and Error Messages210
- Troubleshooting218
- What to Do During Emergency Charge Mode222
21 Accessories224
22 Technical Data225
- Sunny Island 4548-US225
- Sunny Island 6048-US227
23 Glossary231
- Charge Mode232
- Float Charge234
- Inverter Mode235
- Series Connection237
24 Contact239

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