SolarCity solarZero User manual

Table of Contents
PURPOSE .....................................................................................................................................4
SCOPE..........................................................................................................................................4
SYMBOLS USED IN THIS DOCUMENT ............................................................................................4
GENERAL GUIDELINES..................................................................................................................4
Behavioural...................................................................................................................................... 4
Safety .............................................................................................................................................. 4
INSTALLATION Overview..............................................................................................................5
Quick guide...................................................................................................................................... 5
Installation Video............................................................................................................................. 7
THE SOLARZERO BATTERY SYSTEM...............................................................................................8
Overview of main components ......................................................................................................... 8
Overview of solarZero distribution board and peripheral components............................................... 9
Internet Connection ....................................................................................................................... 10
Unpacking...................................................................................................................................... 10
INSTALLING THE CABINET ..........................................................................................................11
Conduit Runs.................................................................................................................................. 11
Mounting the cabinet..................................................................................................................... 11
Recommended cabinet location...................................................................................................... 12
7.3.1 Dimensions and Clearances ............................................................................................................... 12
7.3.2 Earth Bonding ..................................................................................................................................... 12
INSTALLING INVERTER AND BATTERY.........................................................................................14
Hanging the inverter ...................................................................................................................... 14
Inverter connections ...................................................................................................................... 15
8.2.1 Overview of inverter connections ...................................................................................................... 15
8.2.2 DC Battery connection ....................................................................................................................... 15
8.2.3 Communication ports ........................................................................................................................ 16
8.2.4 AC supply connections ....................................................................................................................... 17
Connections to EMU –refer to attached drawing G402, 1 of 5 ......................................................... 17
Cable connections to the cabinet .................................................................................................... 17
8.4.1 AC cable run from AC DB in cabinet to solarZero DB – refer to drawing G402 3 of 5 ....................... 18
8.4.2 DC cable connections ......................................................................................................................... 18
WIFI Antenna................................................................................................................................. 18
Installing the Li-Ion battery pack..................................................................................................... 18
INSTALLING THE SOLARZERO SWITCHBOARD .............................................................................20
Overview ....................................................................................................................................... 20
Installation location ....................................................................................................................... 21
Communication connections .......................................................................................................... 21
9.3.1 Communication cables inside a switchboard ..................................................................................... 21
9.3.2 EZ meter ............................................................................................................................................. 21
9.3.3 Hot water relay - SDM320 .................................................................................................................. 21
9.3.4 PV production meter SDM120MV ..................................................................................................... 22
9.3.5 Mini router ......................................................................................................................................... 22
AC connections .............................................................................................................................. 22
Selecting suitable backup circuits.................................................................................................... 22
INTERNET CONNECTION .........................................................................................................23

SolarZero router............................................................................................................................. 23
INSTALLING THE SDM120CT-MV / Solar Meter........................................................................24
Overview ....................................................................................................................................... 24
Installation steps for SDM120CT-MV............................................................................................... 24
INSTALLING THE SDM320 / HOT WATER RELAY.......................................................................25
Overview ....................................................................................................................................... 25
Installation steps............................................................................................................................ 26
CONFIRM OPERATION OF EXISTING DEVICES ..........................................................................27
Existing Envoy................................................................................................................................ 27
Connectivity of Envoy R.................................................................................................................. 27
Connectivity of Envoy S .................................................................................................................. 28
Line Filter....................................................................................................................................... 28
Existing CarbonTRACK hub.............................................................................................................. 29
Check connectivity of CarbonTRACK................................................................................................ 30
COMMISSIONING...................................................................................................................31
Overview ....................................................................................................................................... 31
Livening ......................................................................................................................................... 31
Testing........................................................................................................................................... 31
Back-Feed Test (IMPORTANT)......................................................................................................... 32
Confirm connectivity ...................................................................................................................... 32
Turn off for inspection.................................................................................................................... 32
APPENDICES...........................................................................................................................33
Appendix 1 –Drawings and Schematics .......................................................................................... 33
Appendix 2 –Commissioning Sheet ................................................................................................ 34
Appendix 3 –Inverter and Battery Datasheet.................................................................................. 35
Appendix 4 –Labelling Guide.......................................................................................................... 36

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