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SUNNY ISLAND 5048-US
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SMA America, LLC
The Sunny Isla
nd 5048U
Technical
Descript
ion
SI5048U-TUS
121440
19
single-phase syste
m, 120
Vac, 5
kW:
single-phase parall
el system, 120
Vac, up to 15 kW
18
20
Table of Contents
Main Page
Default Chapter
7
Table of Contents
7
1 Notes on this Manual
15
Area of Validity
15
Target Group
15
Additional Information
15
Nomenclature
15
2 The Sunny Island 5048U
16
Properties
16
At a Glance
22
Scope of Delivery
24
Required Tools and Resources
25
Identifying the Sunny Island
26
3 Safety Instructions
27
Important Notes Regarding Operation
27
Potential Hazards
28
4 Assembly
30
Selecting the Mounting Location
30
Mounting the Sunny Island with a Wall Mounting Bracket
33
Mounting the Sunny Island on a Stone Wall
34
Mounting the Sunny Island Using Wall Studs
36
5 Opening and Closing
37
Opening the Sunny Island
37
Closing the Sunny Island
38
6 Electrical Connection
39
Grounding
41
DC Terminal
43
Safety Precautions/Conditions
43
Cable Sizing
43
Cable Protection
44
Connecting the Sunny Island to the DC Side
45
AC Connection
46
Line Fuse
46
AC1 (Loads/Sunny Boys)
46
AC2 (Generator/Grid)
48
Additional Connections
50
Battery Temperature Sensor
50
Battery Current Sensor
52
Communication for Multi-Device Connection
53
Multi-Function Relay 1 and 2
55
Batvtgout Power Supply
58
Digin Digital Input
59
Interface for External Communication
60
Connection of the Interface for External Communication
60
7 Control Elements
63
Display Messages
64
DC Circuit Breaker
64
Buttons
65
Meaning of the Light Emitting Diodes (Led's)
65
SD Card
65
8 Initial Start-Up
66
Requirements
66
Starting the Quick Configuration Guide (QCG)
66
Connecting the Battery Current Sensor
70
9 Switching on and off
72
Switching on
72
Stopping (Standby)
73
Switching off
74
Disconnecting the Device from Voltage Sources
74
Reactivating the Device Following Automatic Shutdown
74
10 Operation
76
Menu Structure
77
Changing Parameters
80
Direct Access (to the Parameters)
81
Compact Meters
81
Entering the Installer Password
85
Display Messages (Overview)
87
Parameter Display
90
Display of Events
90
Display of Warnings and Failures
91
11 Archiving Data on an SD Card
92
Inserting the SD Card
95
Removing the SD Card
96
Saving and Loading Parameters
96
Writing Log Data
96
Status Messages
97
Updating the Firmware
98
12 Additional Functions
101
Load Shedding
101
Sleep Mode
103
Time-Controlled Operation
103
Overload and Short-Circuit Behavior
103
Device Faults and Autostart
103
Automatic Frequency Control (AFC)
104
Time-Controlled Standby
104
Reaction in Case of Faults in a 3-Phase System
104
13 Battery Management
105
Battery Temperature
105
Start Options
106
State of Charge (SOC) and State of Health (SOH)
106
Charge Control
107
Boost Charge
109
Full Charge
109
Equalization Charge
110
Manual Equalization Charge
110
Silent Mode
111
Battery Preservation Mode
111
Battery Diagnostics
113
Battery Lead Resistance
113
14 Connecting External Sources
114
Generator
114
Parallel Connection
114
Generator Start Options
116
Generator Operation
118
Manual Generator Operation
118
Automatic Generator Operation
120
Limits and Power Adjustment
122
Run Times
124
Operation in Conjunction with PV Inverters
125
Stopping the Generator
125
Stopping the Sunny Island
126
Faults
126
Grid
127
Voltage and Frequency Limits
127
Starting the Sunny Island
127
Operation During Grid Loss in Grid-Tied Backup Configuration
127
Backup Operation and "Anti-Islanding
127
Grid Reconnection
128
Grid Operation
128
Grid Failure
132
Faults
132
Limits and Power Adjustment
133
Operation in Conjunction with PV Inverters
133
Generator and Grid
134
Relays
136
16 Multicluster Operation
138
Communication between the Sunny Islands
138
Initial Commissioning of the Multicluster System
140
Switching a Multicluster System on and off
141
Activation / Startup
141
Stopping and Switching off
141
Generator Operation
142
Behavior with Different Charge States
142
Testing Multicluster Communication
142
Automatic Frequency Control (AFC)
143
Firmware Update
143
Fault Handling in a Multicluster System
143
Grid Operation
143
Emergency Generator Load Support
144
17 PV Inverter
145
Connection to the Off-Grid Power System (Protected Loads Panel)
145
Setting the Off-Grid Parameters (Sunny Boy)
146
Configuration
146
Sunny Boy Parameter Settings
146
Frequency Shift Power Control (FSPC)
147
18 Maintenance and Care
149
Enclosure
149
Cleaning the Fans
149
Display
149
Function
149
Battery
149
Disposal
149
19 Parameter Lists
150
Display Values
150
Inverter Meters (110#)
150
Battery Meters (120#)
154
External Meters (130#)
155
Charge Controller (140#) (Not UL-Certified)
157
Adjustable Parameters
159
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 Operation
191
Operation (500#)
191
Direct Access to the Parameters
194
Direct Access (600#)
194
20 Troubleshooting
195
Failure Confirmation
195
Autostart Handling
195
Master Slave Handling
195
Handling Pending Failures During the Booting Procedure
196
Display of Failures and Events
196
Events
197
Category INV
197
Category BAT
197
Category GEN
198
GRD Category
198
Category REL
199
Category SYS
200
Failure Categories
200
Warnings and Failure Messages
201
Category INV
201
Category BAT
202
Category EXT
202
Category GEN
204
Category GRD
204
Category RLY
204
Category SYS
205
AUX Category
207
Troubleshooting
209
Procedure During Emergency Charge Mode
212
21 Accessories
215
22 Technical Data
216
23 Glossary
219
24 Contact
226
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