© 2021 by XOLTA
TABLE OF CONTENTS
1. Safety information and legal terms
1.1
Document purpose and structure ....................................................................................................................................3
1.2
Important safety Instructions ...........................................................................................................................................3
1.3
Actions in case of emergency situations ........................................................................................................................4
1.4
XOLTA certified installers
..................................................................................................................................................6
1.5
Safe disposal of lithium-ion batteries
..............................................................................................................................6
1.6
Disclaimer
..........................................................................................................................................................................6
1.7
Legal
..................................................................................................................................................................................6
1.8
Copyright
...........................................................................................................................................................................6
1.9
Void of warranty ................................................................................................................................................................7
1.10 Abbreviations
....................................................................................................................................................................7
XOLTA Battery Energy Storage System Overview
2.1 Introduction
.......................................................................................................................................................................8
2.2
Hardware description .......................................................................................................................................................9
2.3
System safety ..................................................................................................................................................................10
2.3.1 Safety measures ..................................................................................................................................................10
2.3.2
Internal electrical scheme of the XOLTA outdoor BESS
....................................................................................11
2.4
Key specifications
...........................................................................................................................................................12
3. XOLTA Battery Energy Storage System
3.1
Delivery inspection
..........................................................................................................................................................12
3.2
Location requirements ....................................................................................................................................................13
3.3
Installation procedure
.....................................................................................................................................................13
3.3.1 Electrical requirements
........................................................................................................................................13
3.3.2 Installation overview
............................................................................................................................................14
3.4
System operation ............................................................................................................................................................18
3.5
Maintenance requirements ............................................................................................................................................18
4. XOLTA Battery System functionality
4.1
Operating modes .............................................................................................................................................................19
4.1.1 Maximizing solar self-consumption
...................................................................................................................19
4.1.2 External control
.....................................................................................................................................................20
4.1.3 Grid voltage support
............................................................................................................................................20
4.1.4 Load following
......................................................................................................................................................21
4.2
Site controller state machine
.........................................................................................................................................21
4.2.1 SC States ..............................................................................................................................................................21
4.2.2 Transitional Sequences
........................................................................................................................................23
4.3
XOLTA outdoor BESS monitoring ...................................................................................................................................23
5. Web API
5.1
Web API
...........................................................................................................................................................................24