SMA SI 4548-US User Manual

SMA Equipment

SI4548-6048-US-BE-en-20 | Version 2.0

AMERICAN ENGLISH

Off-Grid Inverter
SUNNY ISLAND 4548-US/6048-US
Operating Manual

This manual is related to the following products:

SI 6048-US

Table of contents

Document Outline

1 Information on this Document
- 1.1 Validity
- 1.2 Target Group
- 1.3 Additional Information
- 1.4 Terminology
2 Sunny Island 4548-US / 6048-US
- 2.1 Properties
- 2.2 At a Glance
- 2.3 Scope of Delivery
- 2.4 Required Tools and Materials
- 2.5 Identifying the Sunny Island
3 Safety
- 3.1 Intended Use
- 3.2 Important Notes regarding Operation
- 3.3 Potential Hazards
4 Mounting
- 4.1 Selecting the Mounting Location
- 4.2 Mounting the Sunny Island with the Wall Mounting Bracket
  - 4.2.1 Mounting the Sunny Island on a Stone Wall
  - 4.2.2 Mounting the Sunny Island using Wall Studs
5 Opening and Closing
- 5.1 Opening the Sunny Island
- 5.2 Closing the Sunny Island
6 Electrical Connection
- 6.1 Grounding
- 6.2 DC Connection
- 6.3 AC Connection
- 6.4 Additional Connections
- 6.5 Interface for External Communication
  - 6.5.1 Connection of the Interface for External Communication
7 Control Elements
- 7.1 Display Messages
- 7.2 DC Circuit Breaker
- 7.3 Buttons
- 7.4 Meaning of the Light-Emitting Diodes (LED)
- 7.5 SD Memory Card
8 Commissioning
- 8.1 Requirements
- 8.2 Starting the Quick Configuration Guide (QCG)
- 8.3 Commissioning the battery current sensor
9 Switching On and Off
- 9.1 Switching On
- 9.2 Stopping the Sunny Island (Standby)
- 9.3 Switching Off
- 9.4 Disconnecting the Device from Voltage Sources
- 9.5 Recommissioning After Automatic Shutdown
10 Operation
- 10.1 Menu Structure
- 10.2 Changing Parameters
- 10.3 Direct Access - Direct Access to the Parameters
- 10.4 Compact Meters
- 10.5 Entering the Installer Password
- 10.6 Display Messages (Overview)
- 10.7 Parameter Display
- 10.8 Display of Events
- 10.9 Display of Warnings and Failures
11 Data Storage on SD Memory Card
- 11.1 Inserting the SD Memory Card
- 11.2 Removing the SD Memory Card
- 11.3 Saving and Loading Parameters
- 11.4 Writing Log Data
- 11.5 Status Messages
- 11.6 Firmware Update
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
- 13.1 Battery Type and Minimum Battery Capacity
- 13.2 Battery Temperature
- 13.3 Start Options
- 13.4 State of Charge (SOC) and State of Health (SOH)
- 13.5 Charge Control
- 13.6 Battery-Preservation Mode
- 13.7 Battery Diagnosis
- 13.8 Battery Lead Resistance
14 Connecting External Sources
- 14.1 Generator
- 14.2 Utility grid
- 14.3 Generator and Utility Grid
15 Relays
16 Multicluster Operation
- 16.1 Communication between the Sunny Island Inverters
- 16.2 Commissioning 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 Multicluster Communication
- 16.7 Automatic Frequency Synchronization
- 16.8 Firmware Update
- 16.9 Error Handling in a Multicluster System
- 16.10 Grid Operation
- 16.11 Generator Emergency Operation
17 PV Inverters
- 17.1 Connection to the Stand-Alone Grid (Protected Load Switch)
- 17.2 Setting the Off-Grid Parameters
- 17.3 Configuration of the PV Inverters with a Communication Products
- 17.4 Parameter Settings of the PV Inverters
  - 17.4.1 Configuration of the PV Inverters in Battery-Backup Systems
  - 17.4.2 Configuration of PV Inverters in Off-Grid Systems
- 17.5 Frequency-Shift Power Control (FSPC)
18 Maintenance and Care
- 18.1 Enclosure
- 18.2 Cleaning the Fans
- 18.3 Display
- 18.4 Function
- 18.5 Battery
- 18.6 Disposal
19 Parameter Lists
- 19.1 Display Values
- 19.2 Adjustable Parameters
- 19.3 Diagnosis (300#)
- 19.4 Events, Warnings and Errors (History)
  - 19.4.1 Failure/Event (400#)
- 19.5 Functions in Operation
  - 19.5.1 Operation (500#)
- 19.6 Direct Access to the Parameters
  - 19.6.1 Direct Access (600#)
20 Troubleshooting
- 20.1 Error Acknowledgement
- 20.2 Autostart Handling
- 20.3 Master-Slave Handling
- 20.4 Handling of Pending Errors during the Booting Procedure
- 20.5 Display of Failures and Events
- 20.6 Events
- 20.7 Failure Categories
- 20.8 Warnings and Error Messages
- 20.9 Troubleshooting
- 20.10 Procedure during Emergency Charge Mode
21 Accessory
22 Technical Data
- 22.1 Sunny Island 4548-US
- 22.2 Sunny Island 6048-US
23 Glossary
24 Compliance Information
25 Contact