SMA Sunny Island 4548-US - Page 244

SMA Sunny Island 4548-US

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SMA Solar Technology

Table of Contents

Default Chapter4
- Important Safety Instructions4
- Table of Contents7
1 Information on this Document15
- Validity15
- Target Group15
- Additional Information15
- Terminology15
2 Sunny Island 4548-US / 6048-US16
- Properties16
- At a Glance22
- Scope of Delivery23
- Required Tools and Materials25
- Identifying the Sunny Island25
3 Safety26
- Intended Use26
- Important Notes Regarding Operation27
- Potential Hazards29
4 Mounting31
- Selecting the Mounting Location31
- Mounting the Sunny Island with the Wall Mounting Bracket33
  - Mounting the Sunny Island on a Stone Wall34
  - Mounting the Sunny Island Using Wall Studs36
5 Opening and Closing37
- Opening the Sunny Island37
- Closing the Sunny Island38
6 Electrical Connection39
- Grounding41
- DC Connection43
- AC Connection48
- Additional Connections52
- Interface for External Communication62
  - Connection of the Interface for External Communication62
7 Control Elements66
- Display Messages67
- DC Circuit Breaker68
- Buttons68
- Meaning of the Light-Emitting Diodes (LED)68
- SD Memory Card68
8 Commissioning69
- Requirements69
- Starting the Quick Configuration Guide (QCG)69
- Commissioning the Battery Current Sensor73
9 Switching on and off75
- Switching on75
- Stopping the Sunny Island (Standby)76
- Switching off76
- Disconnecting the Device from Voltage Sources76
- Recommissioning after Automatic Shutdown77
10 Operation79
- Menu Structure80
- Changing Parameters83
- Direct Access - Direct Access to the Parameters84
- Compact Meters84
- Entering the Installer Password88
- Display Messages (Overview)89
- Parameter Display92
- Display of Events93
- Display of Warnings and Failures93
11 Data Storage on SD Memory Card94
- Inserting the SD Memory Card96
- Removing the SD Memory Card97
- Saving and Loading Parameters98
- Writing Log Data98
- Status Messages99
- Firmware Update100
12 Additional Functions103
- Load Shedding103
- Sleep Mode105
- Time-Controlled Operation105
- Overload and Short-Circuit Behavior105
- Mixed Operation with Sunny Island Inverters of Different Power105
- Device Faults and Autostart106
- Automatic Frequency Synchronization106
- Time-Controlled Standby106
- Behavior in the Event of a Failure in a Three-Phase System107
13 Battery Management108
- Battery Type and Minimum Battery Capacity108
- Battery Temperature109
- Start Options109
- State of Charge (SOC) and State of Health (SOH)109
- Charge Control111
- Battery-Preservation Mode115
- Battery Diagnosis116
- Battery Lead Resistance117
14 Connecting External Sources118
- Generator118
- Utility Grid130
- Generator and Utility Grid137
15 Relays140
16 Multicluster Operation143
- Communication between the Sunny Island Inverters143
- Commissioning the Multicluster System145
- Switching a Multicluster System on and off146
- Generator Operation147
- Behavior with Different States of Charge147
- Testing Multicluster Communication148
- Automatic Frequency Synchronization148
- Firmware Update148
- Error Handling in a Multicluster System149
- Grid Operation149
- Generator Emergency Operation149
17 PV Inverters150
- Connection to the Stand-Alone Grid (Protected Load Switch)150
- Setting the Off-Grid Parameters151
- Configuration of the PV Inverters with a Communication Products151
- Parameter Settings of the PV Inverters152
  - Configuration of the PV Inverters in Battery-Backup Systems152
  - Configuration of PV Inverters in Off-Grid Systems153
- Frequency-Shift Power Control (FSPC)154
18 Maintenance and Care156
- Enclosure156
- Cleaning the Fans156
- Display156
- Function156
- Battery157
- Disposal157
19 Parameter Lists158
- Display Values158
- Adjustable Parameters167
- Diagnosis (300#)193
- Events, Warnings and Errors (History)200
  - Failure/Event (400#)200
- Functions in Operation200
  - Operation (500#)200
- Direct Access to the Parameters203
  - Direct Access (600#)203
20 Troubleshooting204
- Error Acknowledgement204
- Autostart Handling204
- Master-Slave Handling204
- Handling of Pending Errors During the Booting Procedure205
- Display of Failures and Events205
- Events205
- Failure Categories209
- Warnings and Error Messages209
- Troubleshooting219
- Procedure During Emergency Charge Mode223
21 Accessory226
22 Technical Data227
- Sunny Island 4548-US227
- General Data229
- Sunny Island 6048-US230
23 Glossary233
- Charge Mode234
- Float Charge236
- Series Connection238
- Inverter Mode240
24 Compliance Information241
25 Contact242

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