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ENV-S-WM1-230

enphase Envoy-S Metered, Envoy-S Standard, ENV-S-WM1-230, ENV-S-WB-230-G, ENV-S-WB-230-F Installation And Operation Manual

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INSTALLATION AND OPERATION MANUAL
141-00031, Rev 01
Enphase Envoy-S
2016 Enphase Energy Inc. 141-00031 Rev 01
2
Corporate Headquarters Contact Information
Enphase Energy Inc. 1420 N. McDowell Blvd. Petaluma, CA 94954
enphase.com enphase.com/global/support-request
Environmental Protection
Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check your Local Authority or retailer for recycling advice.
Other Information
For third-party license information, refer to enphase.com/licenses. For Enphase patent information, refer to enphase.com/company/patents/. Product information is subject to change without notice. All trademarks are recognised as the property of
their respective owners. For warranty text, refer to enphase.com/warranty. User documentation is updated frequently; Check the Enphase website (enphase.com/support) for the
latest information. Copyright © 2016 Enphase Energy Inc. All rights reserved.
Audience
This manual is intended for use by professional installation and maintenance personnel.
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Table of Contents
SAFETY ..................................................................................................................................... 5
Read this First .................................................................................................................................. 5
Safety Instructions ........................................................................................................................... 5
The Enphase Envoy-S ............................................................................................................... 6
How the Enphase Microinverter System Works .............................................................................. 6
Installation Planning and Preparation ......................................................................................... 7
Pre-installation Checks .................................................................................................................... 7
Select the Envoy-S Type to Install ............................................................................................... 7
Download the Installer Toolkit App .............................................................................................. 8
Box Contents ............................................................................................................................... 8
Plan the Power Connection ......................................................................................................... 8
Use a Phase Coupler for a Three-Phase Site ............................................................................. 8
Plan the Internet Connection ....................................................................................................... 9
Metering Considerations .............................................................................................................. 9
Required Items............................................................................................................................. 9
Optional Items .............................................................................................................................. 9
System Metering Options .......................................................................................................... 10
Create the Map and Install the PV Modules and Microinverters ............................................... 10
Installation Sequence .................................................................................................................... 11
Installing the Envoy-S ............................................................................................................... 12
1. Choose a Location for the Envoy-S ........................................................................................... 13
2. Provide a Power Connection ..................................................................................................... 13
Provide Power for the Envoy-S Standard (ENV-S-WB-230-F, -G, and -I) ................................ 13
Provide Power for the Envoy-S Metered (ENV-S-WM1-230) .................................................... 15
3. Install CTs for Metering (Model ENV-S-WM1-230 only) ............................................................ 16
Install the CT for Production Metering ....................................................................................... 16
Install the CT for Consumption Metering (optional) ................................................................... 17
Extend Consumption CT Leads, If Needed ............................................................................... 17
4. Energise the Envoy-S ................................................................................................................ 17
5. Detect the Microinverters ........................................................................................................... 18
Method A: Provision Microinverters with Installer Toolkit .......................................................... 18
Method B: Discover Microinverters with Installer Toolkit ........................................................... 18
Method C: Discover Microinverters with the Envoy-S ............................................................... 18
With All Methods ........................................................................................................................ 18
6. Verify System Configuration ...................................................................................................... 19
7. Connect to Enlighten ................................................................................................................. 19
Method A: Integrated Wi-Fi ........................................................................................................ 19
Method B: Enphase Mobile Connect Modem ............................................................................ 20
Method C: Ethernet Cable ......................................................................................................... 20
Method D: Power Line Communication Bridges ........................................................................ 21
If the Internet Connection Fails .................................................................................................. 21
8. Send System Summary Report ................................................................................................. 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 .................................................................................... 22
Envoy-S Operation ................................................................................................................... 23
Envoy-S Displays and Controls ..................................................................................................... 23
Envoy-S LED States ...................................................................................................................... 23
LED Behaviour at Initial Start Up ................................................................................................... 24
Initial Communications Check ................................................................................................... 24
More about Microinverter Communications States.................................................................... 24
Initiate a New Scan for Microinverters ........................................................................................... 24
Connecting to Envoy-S ............................................................................................................. 25
Connect Using the Installer Toolkit App ........................................................................................ 25
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Method A: Use the Site’s Wireless Router to Connect to the Envoy-S ..................................... 25
Method B: Create a Wireless Access Point ............................................................................... 25
Complete the Connection to Envoy-S with Installer Toolkit ....................................................... 26
Connect Remotely Using Enlighten ............................................................................................... 28
Connect Using the Envoy-S Local Interface .................................................................................. 29
View Production Readings ......................................................................................................... 29
View or Change Monitoring Settings ......................................................................................... 29
View Microinverter Information .................................................................................................. 33
View Envoy Information ............................................................................................................. 33
Open a Connection for Enphase Troubleshooting .................................................................... 33
Troubleshooting ....................................................................................................................... 34
Microinverter Detection Issues ...................................................................................................... 34
Issue: Installer Toolkit Shows “Cross Domain Traffic Reported” ............................................... 34
Issue: Microinverter Communications LED is Solid Amber ....................................................... 34
Issue: Installer Toolkit Detects Fewer Microinverters than Expected ........................................ 34
Issue: No Microinverters are Reporting ..................................................................................... 35
Issue: Installer Toolkit Indicates that Scanning is Inhibited ....................................................... 35
Power Production Issues ............................................................................................................... 35
Issue: Power Production LED is solid amber ............................................................................ 35
Internet Connection Issues ............................................................................................................ 36
Issue: Network Communications LED is Amber or Off .............................................................. 36
Issue: Wi-Fi Problems ................................................................................................................ 37
Issue: Cellular Connection Status “Not Connected” .................................................................. 37
Issue: Envoy-S is not Connecting with a New Router ............................................................... 37
Local Networking Considerations .................................................................................................. 37
DHCP versus Static IP Addressing ........................................................................................... 37
MAC Filtering ............................................................................................................................. 38
Firewall Settings......................................................................................................................... 38
Replacing an Envoy-S ................................................................................................................... 39
Replacing an Envoy-S Standard (non-hardwired) ..................................................................... 39
Replacing an Hardwired Envoy-S .............................................................................................. 40
Event Messages ............................................................................................................................ 42
Technical Data ......................................................................................................................... 48
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SAFETY
Read this First
Follow the instructions in this manual. These instructions are key to the installation and maintenance of the Enphase Envoy-S Standard™ and the Enphase Envoy-S Metered™.
To ensure the safe installation and operation of the Envoy-S, note the following safety symbols that appear throughout this document to indicate dangerous conditions and important safety instructions.
DANGER:
This indicates a hazardous situation, which if not avoided, will result in death or serious injury.
WARNING:
This indicates a situation where failure to follow instructions may be a safety hazard or cause equipment malfunction. Use extreme caution and follow instructions carefully.
NOTE:
This indicates information that is very important for optimal system operation. Follow instructions closely.
Safety Instructions
DANGER:
Risk of electrocution!
Do not install current transformers (CTs) when current is flowing in the sensed circuit. Always install CT wires in the terminal blocks before energising the sensed circuit.
DANGER: Risk of electric shock. Risk of fire.
Do not attempt to repair the Envoy-S; it contains no user-serviceable parts. Tampering with or opening the Envoy-S will void the warranty. If the Envoy-S fails, contact Enphase Customer Support for assistance (enphase.com/global/support-request). Refer servicing to qualified personnel.
Only qualified personnel should troubleshoot, install, or replace the Envoy-S.
Do not wire unused terminals or terminal blocks on the Envoy-S.
DANGER: Risk of electric shock.
Do not use Enphase equipment in a manner not specified by the manufacturer. Doing so may cause death or injury to persons, or damage to equipment.
If you wire the Envoy-S at the sub-board, always de-energise the sub-board before beginning wiring.
WARNINGS:
Before installing or using the Envoy-S, read all instructions and cautionary markings in the technical description and on the Envoy-S.
Risk of equipment damage. When installing the Envoy-S in an enclosure, choose area for installation where ambient temperature does not exceed 46º C.
NOTES:
Perform all wiring in accordance with all applicable local electrical codes.
To ensure optimal reliability and to meet warranty requirements, the Enphase Envoy-S must be installed according to the instructions in this manual.
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The Enphase Envoy-S
The Enphase Envoy-S is an integral component of the Enphase Microinverter System. It operates between the Enphase Microinverters and the Enphase Enlighten™ web-based monitoring and analysis software. The Envoy-S monitors the microinverters that are connected to the PV modules. It collects energy and performance data from the microinverters over on-site AC power lines, and it forwards that data to Enlighten, via the Internet, for statistical reporting.
The Envoy-S Metered uses precision Current Transformers (CTs) to measure PV production
and home energy consumption.
The Envoy-S Standard offers microinverter PV production monitoring.
How the Enphase Microinverter System Works
The Enphase Microinverter converts the DC output of the PV module into grid-compliant AC power. In addition to performing the DC to AC conversion, it maximises energy production by using a sophisticated Maximum Power Point Tracking (MPPT) algorithm. This integrated system maximises energy harvest, increases system reliability, and simplifies design, installation and management.
The Envoy-S operates as a gateway between the Enphase Microinverters and Enlighten. The Enphase Enlighten web-based monitoring and analysis software analyses the data collected by each communicating microinverter. Enlighten automatically detects any shortfall in energy production, identifies possible causes, and suggests solutions. Enlighten constantly monitors every Enphase Microinverter connected to the Envoy-S and is essential for system monitoring and troubleshooting.
Enlighten provides a wide range of information on system performance. You can even access Enlighten on your mobile device and view current performance information wherever you are.
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Installation Planning and Preparation
Installation and operation of the Envoy-S require no specialised equipment or unique computer or networking expertise. To the Local Area Network (LAN), the Envoy-S is just another host on the network, much like a personal computer. The Envoy-S simply connects to the on-site router or Enphase Mobile Connect™ (cellular modem) for communications with the Enphase Enlighten monitoring and analysis website. The Envoy-S communicates with the microinverters using the site’s power lines.
After the Envoy-S is installed and the microinverters are scanned or provisioned, it maintains an internal database of all known Enphase Microinverters at the site it manages. At regular intervals, the Envoy-S polls each microinverter for its energy data. Using its Internet connection, the Envoy-S then forwards that information to Enlighten. The Envoy-S also reports any error conditions that affect it or the microinverters. You can view both energy data and error conditions in Enlighten.
The Envoy-S incorporates power line and Internet communications functions. One "side" of the Envoy-S communicates with the microinverters through power lines at the site. The other "side" of the Envoy-S communicates with Enlighten over the Internet.
Pre-installation Checks
Review the following pre-installation checks before you install the Envoy-S.
Select the Envoy-S Type to Install
The Envoy-S Metered uses precision Current Transformers (CTs) to measure PV production
(accuracy 2.5%) from the solar main supply switch and home energy consumption from the AC mains.
The Envoy-S Standard offers microinverter PV production monitoring (accuracy +/- 5%).
Enlighten
Microinverters
Router
Envoy-S
POWER LINE COMMUNICATIONS
NETWORK COMMUNICATIONS
To Internet
Switchboard
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Download the Installer Toolkit App
The Enphase Installer Toolkit is a mobile app for iOS and Android devices (smart phone or tablet) that allows installers to configure the system while onsite, eliminating the need for a laptop and improving installation efficiency.
Download the latest version of the Enphase Installer Toolkit mobile app
and open it to log in to your Enlighten account. With this app, you can connect to the Envoy to track system installation progress. To download, go to enphase.com/installer-
toolkit or scan the QR code:
To run the Installer Toolkit app, you need either of the
following mobile devices:
An Android mobile device running Android version 4.2 or later, or  An iOS device running iOS 7.0 or later, specifically an iPhone 4 or
later or an iPod Touch 5th generation
Box Contents
Check the shipping box for the following items:
Enphase Envoy-S  AC power cord (included with ENV-S-WB-230-F, -G, and -I)  Two split core current transformers (CTs) for production and consumption metering (included
with ENV-S-WM1-230)
Length of DIN rail for mounting  Ferrite bead to attach to your Ethernet Cable, if used  Enphase Envoy-S Quick Install Guide
Plan the Power Connection
If installing the Envoy-S Standard, decide whether to power the Envoy-S using the included AC power cord or by hardwiring the Envoy-S in an IP54-rated, or better enclosure. Use an appropriately rated enclosure if hard-wiring indoors. Make sure that the site has either a standard AC socket available near the AC switchboard in which the Envoy-S can be hardwired. Do not use a power board. If you use the power cord in an enclosure, the socket must be appropriately rated.
Use a Phase Coupler for a Three-Phase Site
If you are installing the Envoy-S in a three-phase application, the power line communication signal must be “coupled” between the three phases to allow the Envoy to communicate with all of the microinverters in the system. Install a phase coupler on the load side of the over-current protection device. See the Enphase Technical Brief on Phase Coupling for your region at enphase.com/support. Consult Enphase support for compatible devices.
Enphase Installer
Toolkit mobile
app
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Plan the Internet Connection
To use the Enlighten web-based monitoring and analysis software, additional requirements are:
Internet connection for the Envoy-S through a traditional router or modem or Enphase Mobile
Connect (Enphase model CELLMODEM-02). Decide whether to connect the Envoy-S to the Internet using integrated Wi-Fi, an Enphase Mobile Connect modem, or using a PLC bridge with Ethernet cables.
One of the following Web browsers with cookies enabled: Chrome 5 or higher, Firefox 11 or
higher, Internet Explorer (IE) 9 or higher, or Safari 5 or higher
Metering Considerations
The Envoy-S Metered includes a production CT and a consumption CT. When installing CTs:
Do not install the CTs in a panel where they exceed 75% of the wiring space of any cross-
sectional area within the panel, or refer to local standards for guidance.
To install the production CT, which measures power production through a connection to the solar supply main switch:
Ensure there is sufficient space to install the production CT around Line (active) of the solar
supply main switch.
To install consumption CT, which measures energy consumption through a connection to the AC mains:
For net consumption metering, ensure there is sufficient space to install the CT around Line
(active) from the main feeds.
For total (gross) consumption metering, ensure there is sufficient space to install the CT
around the line that feed the consumption circuit.
Required Items
If you hard-wire the Envoy-S outdoors, you must install it in an IP54-rated (or better) enclosure with conduit attachment. Note that Metallic enclosures may impair Wi-Fi signal strength.
Use an appropriately rated enclosure if hard-wiring indoors. Do not drill holes for conduit at the top of the enclosure or anywhere that allows moisture ingress.
Optional Items
Make sure you have the following optional items, if needed:
Enphase Mobile Connect modem (order Enphase CELLMODEM-02)  Ethernet over power line communication (PLC) bridge with Ethernet cables [order EPLC-02
(EU), EPLC-03 (UK) or EPLC-04 (AU) separately]
Ethernet cable (use 802.3, unshielded Cat5E or Cat6)
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System Metering Options
The Envoy-S monitors up to 600 Enphase Microinverters and is available with two reporting options. Check that the model number is correct for your installation.
Envoy-S name and model numbers (SKU)
Case colour
Metering / reporting
Includes AC power
cord or CTs
Envoy-S Standard, single-phase ENV-S-WB-230-F, -G, and -I
White
Microinverter PV production monitoring (accuracy +/- 5%).
AC power cord
Envoy-S Metered, single-phase ENV-S-WM1-230
Black
Integrated PV production and home consumption metering (accuracy +/-
2.5%)
Two split-core CTs
NOTE: To install multiple Envoys at a single site, see our technical brief on commercial design at enphase.com/support.
Create the Map and Install the PV Modules and Microinverters
Create the map and install the PV modules and microinverters. You will scan this map later using Installer Toolkit and your mobile device. (See “Method A: Provision Microinverters with Installer Toolkit” on page 18.)
NOTE: If needed, you can find an installation map at the back of any Enphase Microinverter manual.
Create a paper installation map to record microinverter serial numbers and positions in the
array. Peel the removable serial number label from each microinverter and affix it to the respective location on the installation map.
Peel the removable label from the bottom of the Envoy-S and affix it to the installation map.  Always keep a copy of the installation map for your records.
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Installation Sequence
1. Choose a location
for the Envoy-S
2. Provide a power
connection
4. Energise the Envoy-S
7. Connect to Enlighten
8. Send summary report
6. Verify system configuration
5. Detect microinverters
3. Install CTs, if needed
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Installing the Envoy-S
To install the Envoy-S, perform the following steps and refer to these diagrams:
Envoy-S Standard (model numbers ENV-S-WB-230-F, -G, and -I)
Envoy-S Metered (model number ENV-S-WM1-230)
USB ports
LEDs and buttons AC input
Ethernet port
Terminal block
USB ports
LEDs and buttons Ethernet port
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1. Choose a Location for the Envoy-S
a. Install the Envoy-S near the switchboard. This ensures that the Envoy-S receives the strongest
possible communications signal from each microinverter.
b. If you are installing the Envoy-S in a three-phase application, the power line communication
signal must be “coupled” between the three phases to allow the Envoy to communicate with all of
the microinverters in the system. Install a phase coupler on the load side of the over-current protection device. See the Enphase Technical Brief on Phase Coupling for your region at
enphase.com/support.
c. Install the Envoy-S in a protected dry space (such as a garage, attic, basement, or other cool,
dry location) and, if the Envoy-S is hard-wired outdoors, you must also install it inside an IP54­rated, or better enclosure with conduit attachment. Use an appropriately rated enclosure if hard­wiring indoors.
NOTE: Metallic enclosures may impair Wi-Fi signal strength.
d. Mount the Envoy horizontally using the included DIN rail.
WARNING: Risk of equipment damage. When installing the Envoy-S in an enclosure, choose area for installation where ambient temperature does not exceed 46º C.
e. To wall-mount use two appropriately sized screws and a screwdriver. Mount the DIN rail first,
and then clip the Envoy-S to the DIN rail.
2. Provide a Power Connection
The Envoy-S is available in two configurations.
The Envoy-S Standard (ENV-S-WB-230-F, -G, and -I) includes an AC power cord.  The Envoy-S Metered (ENV-S-WM1-230) does not include an AC power cord, and you must
hard-wire it.
The following sections provide separate instructions for the two configurations.
Provide Power for the Envoy-S Standard (ENV-S-WB-230-F, -G, and -I)
Use one of the following methods to provide power to the Envoy-S Standard.
Method A: Plug the Envoy into a 230 VAC Socket
The Envoy-S Standard (ENV-S-WB-230-F, -G, and -I) includes an AC power cord.
WARNING: If the included power cord is missing or lost, you must use an equivalent power cord. See “Wire / Power Requirements / Specifications” on page 48.
a. Locate an AC socket that is near the switchboard. If
outdoors, the socket must be appropriately rated.
b. Plug the AC power cord into the AC inlet on the
Envoy-S.
c. Plug the other end of the power cord into a dedicated
230 VAC socket (not a power board).
WARNING! Do not plug the Envoy-S into a power board, surge protector, or uninterruptable power supply (UPS). The surge suppression or filtering within these devices impedes power line communication performance. Also, if possible, do not plug a power board into the same AC socket that the Envoy-S is using. The surge suppression or filtering components of a power board may still interfere with communications if they are near the Envoy-S.
AC inlet
Shutter
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Method B: Wire in an Enclosure
Though the Envoy-S Standard (ENV-S-WB-230-F, -G, and -I) includes an AC power cord, you may hard­wire it instead. When you hard-wire the Envoy-S outdoors, you must install it in an IP54-rated, or better enclosure with conduit attachment. Use an appropriately rated enclosure if hard-wiring indoors.
DANGER! Risk of electric shock. Be aware that installation of this equipment includes risk of electric shock. If you wire the Envoy-S at the sub-board, always de-energise the sub-board before beginning wiring.
a. Use a single-pole 20 A maximum circuit breaker for the supply wiring. b. Make sure supply wiring is 1.5mm2 copper rated at 75 degrees C. c. Locate the screw on the left side of the terminal block door, and loosen it with a screwdriver to
unlock the door.
d. Open the terminal block door and move the shutter to the left. Wire the line and neutral
conductors as shown in the diagram. Tighten terminal block screws to 0.56 Nm.
- Connect Line (active) to A
- Connect Neutral to N
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Provide Power for the Envoy-S Metered (ENV-S-WM1-230)
The Envoy-S Metered (ENV-S-WM1-230) uses terminal blocks for power connections. It does not include an AC power cord, and you must hard-wire it. When you hard-wire the Envoy-S outdoors, you must install it in an IP54-rated, or better enclosure with conduit attachment. Use an appropriately rated enclosure if hard-wiring indoors.
DANGER! Risk of electric shock. Be aware that installation of this equipment includes risk of electric shock. If you wire the Envoy-S at the sub-board, always de-energise the sub-board before beginning wiring.
a. Use a single-pole 20 A maximum circuit breaker for the supply wiring. b. Make sure supply wiring is 1.5mm2 copper rated at 75 degrees C or better. c. Locate the screw on the left side of the terminal block door, and loosen it with a screwdriver to
unlock the door.
d. Flip open the terminal block door and wire the line and neutral conductors as shown in the
diagram. Tighten terminal block screws to 0.56 Nm.
- Connect Line (active) to A
- Connect Neutral to N
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