Table Of Contents - enphase AC Combiner Box Installation Manual

Table of Contents

SAFETY ................................................................................................................................................. 5
Read this First ........................................................................................................................................ 5
Safety Instructions ................................................................................................................................. 5
The Enphase AC Combiner Box with Enphase Envoy-S .................................................................... 7
How the Enphase Microinverter System Works ................................................................................... 7
Pre-installation Checks .......................................................................................................................... 8
Plan the Internet Connection .......................................................................................................... 8
Download the Installer Toolkit ....................................................................................................... 8
Box Contents ................................................................................................................................... 8
Required Items ................................................................................................................................ 8
Optional Items ................................................................................................................................. 8
System Metering ............................................................................................................................. 9
Wiring Reference ............................................................................................................................. 9
Create the Map and Install the PV Modules and Microinverters ................................................. 9
Installation Sequence .......................................................................................................................... 10
Installing the AC Combiner Box ........................................................................................................ 11
1. Choose a Location for the AC Combiner Box ................................................................................ 11
2. Prepare the AC Combiner Box ........................................................................................................ 11
3. Remove an Unused Circuit Breaker (optional) ............................................................................... 12
4. Drill Hole(s) to Accept Conduit ....................................................................................................... 13
5. Wire the Output Connections .......................................................................................................... 14
6. Wire Inputs from the AC Branch Circuits........................................................................................ 15
7. Install CTs for Consumption Metering (optional) .......................................................................... 15
8. Energize the Envoy-S ....................................................................................................................... 16
9. Detect the Microinverters ................................................................................................................ 17
Method A: Provision Microinverters with Installer Toolkit ......................................................... 17
Method B: Discover Microinverters with Installer Toolkit ........................................................... 17
Method C: Discover Microinverters with the Envoy-S ................................................................. 17
With All Methods ........................................................................................................................... 18
10. Verify System Configuration ......................................................................................................... 18
11. Connect to Enlighten ..................................................................................................................... 19
Method A: Integrated Wi-Fi ........................................................................................................... 19
Method B: Enphase Mobile Connect ............................................................................................ 19
Method C: Ethernet Cable ............................................................................................................. 20
Method D: Power Line Communication Bridges ......................................................................... 20
If the Internet Connection Fails .................................................................................................... 21
12. Send System Summary Report ..................................................................................................... 21
13. Re-Torque Connections and Secure the Door .............................................................................. 21
Activate Monitoring ............................................................................................................................ 22
Method A: If the Envoy-S is Associated with a System in Installer Toolkit ...................................... 22
Method B: If the Envoy-S is NOT associated with a System in Installer Toolkit .............................. 22
View System Performance in Enlighten ............................................................................................. 23
Troubleshooting ................................................................................................................................. 24
Loss of AC to a Single Branch of Microinverters ............................................................................... 24
Inoperable Envoy-S (All LEDs Off) ....................................................................................................... 24
Inoperable Envoy-S and No AC to Branch .......................................................................................... 24
Envoy-S LED States .............................................................................................................................. 25
Microinverter Detection Issues ........................................................................................................... 25
Issue: Device Communications LED is Solid Amber ................................................................... 25
3 © 2016 Enphase Energy Inc.
AC Combiner Box Installation
141-00030 Rev 02