Appendix E: Installing a Neurio Energy
Meter........................................................................ 57
Neurio Energy Meter Overview...................................... 57
Wireless Communication to the Backup Gateway.......
.................................................................................................... 57
Wired Communication to the Backup Gateway...... 57
Meter Voltage Taps............................................................. 59
Current Transformer Placement.....................................59
Voltage Tap and Current Transformer Connections....
.................................................................................................... 59
Meter Placement and CT Wire Lengths......................60
Current Transformer Orientation...................................60
Current Transformer Capacity........................................60
Metering Split-phase Solar with a Single CT.............62
Installing the Meter............................................................. 62
Appendix F: Feature Notes............................. 63
Configuring Site Limits......................................................63
Configuring Conductor Export Limits......................... 63
Load Shedding..................................................................... 63
Appendix G: Installation Troubleshooting......
....................................................................................65
Accessing the Powerwall User Interface.....................65
Updating Firmware............................................................. 65
Configuring Energy Meters..............................................65
Reset the Backup Gateway..............................................67
Power Cycle the System................................................... 67
Appendix H: Multi-Powerwall Installations.....
....................................................................................68
Electrical Equipment Sizing and Overcurrent
Protection...............................................................................68
Multi-Powerwall Installations with the Stack Kit......73
In the Powerwall Stack Kit.............................................. 73
Required Tools.....................................................................73
Site Requirements..............................................................74
Installation Instructions....................................................74
Step 1: Prepare for Installation.....................................75
Step 2: Choose a Wiring Option................................. 76
Step 3: Prepare for Concealed Wiring......................76
Step 4: Join the Powerwall Units................................79
Step 5: Wire the Powerwall Units...............................83
Step 6: Close the Wiring Compartments and
Replace the Covers..........................................................84
Step 7: Turn On and Commission the System....... 86
Appendix J: Revision Log................................ 87
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