SMA SUNNY ISLAND 5048-US - Page 21

SMA SUNNY ISLAND 5048-US

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SMA America, LLC The Sunny Island 5048U

Technical Description SI5048U-TUS121440 21

Double Split‑Phase System, 240 Vac, 20 kW

Multicluster Technology

Refer to the manual of the Multicluster Box for informations about Multicluster Technology.

Table of Contents

Default Chapter7
- Table of Contents7
1 Notes on this Manual15
- Area of Validity15
- Target Group15
- Additional Information15
- Nomenclature15
2 The Sunny Island 5048U16
- Properties16
- At a Glance22
- Scope of Delivery24
- Required Tools and Resources25
- Identifying the Sunny Island26
3 Safety Instructions27
- Important Notes Regarding Operation27
- Potential Hazards28
4 Assembly30
- Selecting the Mounting Location30
- Mounting the Sunny Island with a 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 Terminal43
- Safety Precautions/Conditions43
- Cable Sizing43
- Cable Protection44
- Connecting the Sunny Island to the DC Side45
- AC Connection46
- Line Fuse46
- AC1 (Loads/Sunny Boys)46
- AC2 (Generator/Grid)48
- Additional Connections50
- Battery Temperature Sensor50
- Battery Current Sensor52
- Communication for Multi-Device Connection53
- Multi-Function Relay 1 and 255
- Batvtgout Power Supply58
- Digin Digital Input59
- Interface for External Communication60
- Connection of the Interface for External Communication60
7 Control Elements63
- Display Messages64
- DC Circuit Breaker64
  - Buttons65
- Meaning of the Light Emitting Diodes (Led's)65
  - SD Card65
8 Initial Start-Up66
- Requirements66
- Starting the Quick Configuration Guide (QCG)66
- Connecting the Battery Current Sensor70
9 Switching on and off72
- Switching on72
- Stopping (Standby)73
- Switching off74
- Disconnecting the Device from Voltage Sources74
- Reactivating the Device Following Automatic Shutdown74
10 Operation76
- Menu Structure77
- Changing Parameters80
- Direct Access (to the Parameters)81
- Compact Meters81
- Entering the Installer Password85
- Display Messages (Overview)87
- Parameter Display90
- Display of Events90
- Display of Warnings and Failures91
11 Archiving Data on an SD Card92
- Inserting the SD Card95
- Removing the SD Card96
- Saving and Loading Parameters96
- Writing Log Data96
- Status Messages97
- Updating the Firmware98
12 Additional Functions101
- Load Shedding101
- Sleep Mode103
- Time-Controlled Operation103
- Overload and Short-Circuit Behavior103
- Device Faults and Autostart103
- Automatic Frequency Control (AFC)104
- Time-Controlled Standby104
- Reaction in Case of Faults in a 3-Phase System104
13 Battery Management105
- Battery Temperature105
- Start Options106
- State of Charge (SOC) and State of Health (SOH)106
- Charge Control107
- Boost Charge109
- Full Charge109
- Equalization Charge110
- Manual Equalization Charge110
- Silent Mode111
- Battery Preservation Mode111
- Battery Diagnostics113
- Battery Lead Resistance113
14 Connecting External Sources114
- Generator114
- Parallel Connection114
- Generator Start Options116
- Generator Operation118
- Manual Generator Operation118
- Automatic Generator Operation120
- Limits and Power Adjustment122
- Run Times124
- Operation in Conjunction with PV Inverters125
- Stopping the Generator125
- Stopping the Sunny Island126
- Faults126
- Grid127
- Voltage and Frequency Limits127
- Starting the Sunny Island127
- Operation During Grid Loss in Grid-Tied Backup Configuration127
- Backup Operation and "Anti-Islanding127
- Grid Reconnection128
- Grid Operation128
- Grid Failure132
- Faults132
- Limits and Power Adjustment133
- Operation in Conjunction with PV Inverters133
- Generator and Grid134
Relays136
16 Multicluster Operation138
- Communication between the Sunny Islands138
- Initial Commissioning of the Multicluster System140
- Switching a Multicluster System on and off141
- Activation / Startup141
- Stopping and Switching off141
- Generator Operation142
- Behavior with Different Charge States142
- Testing Multicluster Communication142
- Automatic Frequency Control (AFC)143
- Firmware Update143
- Fault Handling in a Multicluster System143
- Grid Operation143
- Emergency Generator Load Support144
17 PV Inverter145
- Connection to the Off-Grid Power System (Protected Loads Panel)145
- Setting the Off-Grid Parameters (Sunny Boy)146
- Configuration146
- Sunny Boy Parameter Settings146
- Frequency Shift Power Control (FSPC)147
18 Maintenance and Care149
- Enclosure149
- Cleaning the Fans149
- Display149
- Function149
- Battery149
- Disposal149
19 Parameter Lists150
- Display Values150
- Inverter Meters (110#)150
- Battery Meters (120#)154
- External Meters (130#)155
- Charge Controller (140#) (Not UL-Certified)157
- Adjustable Parameters159
- Inverter Settings (210#)159
- Battery Settings (220#)160
- External Settings (230#)163
- Relay Settings (240#)171
- System Settings (250#)181
- Password Setting (280#)183
- Diagnosis (300#)183
- Inverter Diagnosis (310#)183
- Battery Diagnosis (320#)186
- External Diagnosis (330#)190
- Events, Warnings and Failures (History)190
- Failure / Event (400#)190
- Functions in Operation191
- Operation (500#)191
- Direct Access to the Parameters194
- Direct Access (600#)194
20 Troubleshooting195
- Failure Confirmation195
- Autostart Handling195
- Master Slave Handling195
- Handling Pending Failures During the Booting Procedure196
- Display of Failures and Events196
- Events197
- Category INV197
- Category BAT197
- Category GEN198
- GRD Category198
- Category REL199
- Category SYS200
- Failure Categories200
- Warnings and Failure Messages201
- Category INV201
- Category BAT202
- Category EXT202
- Category GEN204
- Category GRD204
- Category RLY204
- Category SYS205
- AUX Category207
- Troubleshooting209
- Procedure During Emergency Charge Mode212
21 Accessories215
22 Technical Data216
23 Glossary219
24 Contact226

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