SMA Sunny Island 5048 Technical Description Manual

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SI5048-TB-TEN110340 | TBE-SI5048 | Version 4.0

Off-Grid Inverter

SUNNY ISLAND 5048

Technical Description

Default Chapter1
- Sunny Island1
- Table of Contents3
1 Notes on this Manual11
- Validity11
- Target Group11
- Additional Information11
- Nomenclature11
- Symbols Used12
2 The Sunny Island 504813
- Properties13
  - At a Glance18
- Scope of Delivery20
- Identifying the Sunny Island21
3 Safety Instructions22
- Important Notes Regarding Operation22
- Potential Hazards23
4 Mounting24
- Selecting the Mounting Location24
- Mounting the Sunny Island with the Wall Mounting Bracket26
5 Opening and Closing28
- Opening the Sunny Island28
- Closing the Sunny Island29
6 Electrical Connection30
- Grounding31
- DC Connection32
- Safety Precautions/Conditions33
- Cable Sizing33
- Cable Protection34
- Connection34
- AC Connection36
- Cable Protection36
- AC1 (Loads/Sunny Boys)36
- AC2 (Generator/Grid)38
- Additional Connections39
- Battery Temperature Sensor39
- Battery Current Sensor41
- Communication for Multi-Device Connection43
- Multi-Function Relay 1 and 245
- Batvtgout Power Supply48
- Digin Digital Input49
- Interface for External Communication50
- Connection of the Interface50
7 Control Elements53
- Display Messages54
- DC Circuit Breaker54
  - Buttons55
- Meaning of the Light Emitting Diodes (Led's)55
  - SD Card55
8 Initial Start-Up56
- Requirements56
- Starting the Quick Configuration Guide (QCG)57
- Commissioning the Battery Current Sensor60
9 Switching on and off62
- Switching on62
- Stopping the Sunny Island (Standby)63
- Switching off64
- Disconnecting the Device from Voltage Sources64
- Reactivating the Device Following Automatic Shutdown64
10 Operation66
- Menu Structure67
- Changing Parameters70
- Direct Access - Direct Access to the Parameters71
- Compact Meters72
- Entering the Installer Password76
- Display Messages (Overview)77
- Parameter Display81
- Display of Events81
- Display of Warnings and Failures82
11 Archiving Data on a SD Card83
- Inserting the Card86
- Removing the SC Card87
- Saving and Loading Parameters87
- Writing Log Data87
- Status Messages88
- Updating the Firmware89
12 Additional Functions92
- Load Shedding92
- Sleep Mode94
- Time-Controlled Operation94
- Overload and Short-Circuit Behavior95
- Device Faults and Autostart95
- Automatic Frequency Control (AFC)95
- Time-Controlled Standby96
- Reaction in Case of Failures96
13 Battery Management97
- Battery Temperature97
- Start Options98
- State of Charge / SOC and SOH98
- Charge Control99
- Boost Charge101
- Full Charge101
- Equalization Charge102
- Manual Equalization Charge103
- Silent Mode103
- Battery Preservation Mode104
- Battery Diagnostics105
- Battery Lead Resistance106
14 Connecting External Sources107
- Generator107
- Connecting in Parallel108
- Generator Start Options108
- Generator Operation112
- Manual Generator Operation112
- Automatic Generator Operation114
- Limits and Power Adjustment118
- Run Times119
- Operation Together with PV Inverters120
- Stopping the Generator121
- Disturbances121
- Grid122
- Voltage and Frequency Limits123
- Starting the Sunny Island123
- Stand-Alone Grid Operation123
- Grid Reconnection124
- Grid Operation124
- Grid Failure125
- Disturbances126
- Limits and Power Adjustment126
- Operation Together with PV Inverters127
- Generator and Grid128
- Relays130
16 Multicluster Operation132
- Communication between the Sunny Island132
- Initial Start-Up of the Multicluster System135
- Switching a Multicluster System on and off136
- Activation / Startup136
- Stopping and Switching off136
- Generator Operation137
- Behavior with Different Charge States137
- Communication Test138
- Automatic Frequency Control (AFC)138
- Updating the Firmware138
- Error Handling in a Multicluster System139
- Grid Operation139
- Generator Emergency Operation139
17 PV Inverters in Stand-Alone Grid Systems140
- Setting Stand-Alone Grid Operation140
- Setting Via Rotary Switch with SB 3000TL/4000TL/5000TL141
- Setting Via Rotary Switch with SB 2000HF/2500HF/3000HF and STP 10000TL/12000TL/15000TL/17000TL141
- Setting Via Communication or Software141
- Use of SB 3000TL/4000TL/5000TL in 60 Hz Grids143
- Frequency Shift Power Control (FSPC) - Power Adjustment of the PV Inverter Via Frequency143
18 Maintenance and Care145
- Enclosure145
- Cleaning the Fans145
- Display145
- Function145
- Battery145
- Disposal145
19 Parameter Lists146
- Display Values146
- Inverter Meters (110#)146
- Battery Meters (120#)150
- External Meters (130#)151
- Charge Controller (140#)154
- Battery Settings (220#)156
- System Settings (250#)157
- Adjustable Parameters158
- Inverter Settings (210#)158
- Battery Settings (220#)158
- External Settings (230#)162
- Relay Settings (240#)170
- System Settings (250#)180
- Password Setting (280#)182
- Diagnosis (300#)182
- Inverter Diagnosis (310#)182
- Battery Diagnosis (320#)187
- External Diagnosis (330#)189
- Events, Warnings and Errors (History)190
- Failure / Event (400#)190
- Functions in Operation190
- Operation (500#)190
- Direct Access to the Parameters193
- Direct Access (600#)193
20 Troubleshooting194
- Failure Acknowledgement194
- Autostart Handling194
- Master-Slave Handling195
- Handling Pending Failures During the Booting Procedure195
- Display of Failures and Events196
- Events197
- Category INV197
- Category BAT197
- Category GEN198
- Category GRD198
- Category REL199
- Category SYS200
- Failure Categories201
- Warnings and Failure Messages202
- Category INV202
- Category BAT203
- Category EXT203
- Category GEN205
- Category GRD205
- Category RLY206
- Category SYS206
- AUX Category208
- Troubleshooting210
- What to Do During Emergency Charge Mode213
21 Accessories216
- Technical Data217
- Contact220
- Exclusion of Liability223

Other manuals for SMA Sunny Island 5048

Installation Instructions Manual172 pages

Technical Description212 pages

Questions and Answers:

S
Stephanie DavisAug 25, 2025
What to do if the display of my SMA Sunny Island Inverter is dark?
- J
  jessicachapmanAug 25, 2025
  If the display of your Sunny Island is dark, first check if the DC circuit breaker on the Sunny Island is set to "On." The device might have switched off to protect the batteries from deep discharge. Also, the external battery fuse may have tripped.

SMA Sunny Island 5048 Specifications

General

Output Voltage	230 V
Nominal AC Voltage	230 V
AC Frequency	50 / 60 Hz
DC voltage range	40 - 60 V
Battery Voltage	48 V
Efficiency	95 % (typical)
Weight	40 kg
Protection class	IP 21
Maximum AC Output Power	5000 W
Maximum Efficiency	96 %
Dimensions (H x W x D)	550 x 450 x 230 mm
Operating temperature range	-25 °C to +60 °C