enphase IQ8 Installation And Operation Manual
Microinverters
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- Design manual (75 pages) ,
- Installation and operation manual (49 pages) ,
- Quick install manual (6 pages)
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Summary of Contents for enphase IQ8
- Page 1 INSTALLATION AND OPERATION MANUAL Enphase IQ8, IQ8+, IQ8M, IQ8A, and IQ8H Microinverters Mar 2022 © 2022 Enphase Energy Inc. All rights reserved.
- Page 2 For Enphase patent information refer to enphase.com/company/patents/. © 2021 Enphase Energy Inc. All rights reserved. Enphase, the Enphase logo, IQ8, IQ8+, IQ8M, IQ8A, IQ8H, IQ Gateway, IQ Combiner, IQ Microinverter, Installer App, Enphase App and other trademarks or service names are the trademarks of Enphase Energy, Inc.
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Page 3: Table Of Contents
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Table of Contents Important Safety Information ............................ Read this First ............................Product Labels ............................Safety and Advisory Symbols........................IQ8 Microinverter Safety Instructions ......................PV Rapid Shutdown Equipment (PVRSE) .................... - Page 4 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Other Faults ............................Troubleshoot an Inoperable Microinverter....................Disconnect a Microinverter......................... Install a Replacement Microinverter......................Replacement parts and Cabling..........................Ordering Replacement Parts........................Enphase IQ Cable Planning and Ordering....................
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Page 5: Important Safety Information
Double-Insulated Safety and Advisory Symbols To reduce the risk of electric shock, and to ensure the safe installation and operation of the Enphase IQ System, the following safety symbols appear throughout this document to indicate dangerous conditions and important safety instructions. - Page 6 You must protect each microinverter AC branch circuit with a 20 A maximum breaker or fuse as appropriate DANGER: Risk Do not use Enphase equipment in a manner not specified by the manufacturer. Doing so of electric shock. may cause death or injury to persons, or damage to equipment.
- Page 7 Do not circumvent or manipulate the latching mechanism When installing the Enphase IQ Cable, secure any loose cable to minimize tripping hazard. When looping the Enphase IQ Cable, do not form loops smaller than 4.75” (12 cm) in NOTES: diameter.
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Page 8: Pv Rapid Shutdown Equipment (Pvrse)
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation PV Rapid Shutdown Equipment (PVRSE) This product is UL Listed as PV Rapid Shut Down Equipment and conforms with NEC-2014, NEC-2017 and NEC-2020 section 690.12 and C22.1-2018 Rule 64-218 Rapid Shutdown of PV Systems, for AC and DC conductors, when installed according to the following requirements: •... -
Page 9: The Enphase Iq8 System
• Enphase IQ8™, IQ8+™, IQ8M™, IQ8A™ and IQ8H™ Micros The smart grid ready IQ Series Micros convert the DC output of the PV module into grid-compliant AC power. IQ8 Micros can fit into Enphase Energy System which can be configured in four different ways, ranging from Solar Only to Full Energy Independence. -
Page 10: How The Enphase Iq8 Series Microinverters Work
Battery System Monitoring Once you install the Enphase IQ Gateway and provide an internet connection through a broadband router or modem, the Enphase IQ Microinverters automatically begin reporting to Enphase Installer Platform. Enphase Installer Platform presents current and historical system performance trends and informs you of PV system status. -
Page 11: Planning For Microinverter Installation
Planning for Microinverter Installation The Enphase IQ8 Micro is compatible with 60-cell PV modules, and the IQ8+, IQ8M, IQ8A and IQ8H Micro support PV modules with 60-cell or 66 cell or 72 cell in both full and split cell configuration. All of them installs quickly and easily. -
Page 12: Branch Circuit Capacity
AC branch circuit to the breaker in the load center. Enphase recommends a voltage rise total of less than 2% for the sections from the microinverter AC branch circuit to the breaker in the load center. -
Page 13: Lightning And Surge Suppression
For this reason, Enphase recommends that you protect your system with a lightning and/or surge suppression device. In addition to having some level of surge suppression, it is also important to have insurance that protects against lightning and electrical surges. -
Page 14: Enphase Microinverter Installation
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase Microinverter Installation Installing the Enphase IQ Series Micros involves several key steps. Each step listed here is detailed in the following pages. Step 1: Position the Enphase IQ Cable... -
Page 15: Step 1: Position The Enphase Iq Cable
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Step 1: Position the Enphase IQ Cable Plan each cable segment to allow drop connectors on the Enphase IQ Cable to align with each PV module. Allow extra length for slack, cable turns, and any obstructions. -
Page 16: Step 4: Create An Installation Map
Peel the removable serial number label from each microinverter and affix it to the respective location on the paper installation map. Peel the label from the IQ Gateway and any Enphase IQ Battery, if installed) and affix it to the installation map. C. Always keep a copy of the installation map for your records. -
Page 17: Step 5: Manage The Iq Cabling
Sealing caps are required for protection against moisture ingress. NOTE: If you need to remove a sealing cap, you must use the Enphase Disconnect Tool. See Disconnect a Microinverter” on page 27. -
Page 18: Step 7: Terminate The Unused End Of The Cable
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Step 7: Terminate the Unused End of the Cable Terminator Body 13 mm Terminate the unused end of the Enphase IQ Cable as follows. Remove 13 mm (½ inch) of the cable sheath from the conductors. Use the terminator loop to measure 13 mm. -
Page 19: Step 9: Connect The Pv Modules
D. Mount the PV modules above the microinverters. Step 10: Energizing Enphase Energy System & Configurations IQ8 Micro based PV systems can operate in grid-tied mode (solar only) out of the box. Additional modes of operation could be enabled when connected with other Enphase Energy System products. - Page 20 Solid Red reset, see “DC Resistance Low – Power Off Condition” on page 24. Refer to the Enphase IQ Gateway Quick Install Guide to install the IQ Gateway and set up system monitoring and grid management functions © 2022 Enphase Energy Inc. All rights reserved.
- Page 21 In the PV Solar Grid Agnostic configuration in Enphase Energy System, IQ Smart controller smart switch is installed on the line-side of the main load panels. This allows a properly sized Enphase Energy system to provide power to all loads in the main load panel in the event of a grid outage and PV solar presence.
- Page 22 In the home essentials backup (main load panel) configuration, IQ System Controller is installed on the line-side of the main load panels rated up to 200A. This allows a properly sized Enphase Energy System to provide power to all loads in the main load panel in the event of a grid outage.
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Page 23: Set Up And Activate Monitoring
You can set the grid profile through Enphase Installer Platform, during system registration, or through Enphase Installer App at any time. You must have an Enphase IQ Gateway to set or change the grid profile. For more information on setting or changing the grid profile, refer to the Enphase IQ Gateway installation and Operation Manual at enphase.com/support. -
Page 24: Troubleshooting
If a microinverter registers a “DC Resistance Low - Power Off” condition, you can attempt to clear this condition. If the condition does not clear after you perform the following procedure, contact Enphase Energy customer support at enphase.com/en-us/support/contact. -
Page 25: Other Faults
The app then indicates that a clear message was sent. Other Faults All other faults are reported to the Gateway. Refer to the Enphase IQ Gateway Installation and Operation Manual at enphase.com/support for troubleshooting procedures. -
Page 26: Troubleshoot An Inoperable Microinverter
L1, L2 to ground 106 to 132 VAC Using an Enphase disconnect tool, disconnect the AC cable for the microinverter in question from the Enphase IQ Cable. Verify that utility power is present at the microinverter by measuring line to line and line to ground at the Enphase IQ Cable connector. -
Page 27: Disconnect A Microinverter
PV modules under load, follow the disconnection steps in the order shown: A. De-energize the AC branch circuit breaker. B. Enphase AC connectors are tool-removable only. To disconnect the microinverter from the Enphase IQ Cable insert the disconnect tool and remove the connector. -
Page 28: Install A Replacement Microinverter
Do not mount the microinverter upside down. • Do not expose the AC or DC connectors (on the Enphase IQ Cable connection, PV module, or the microinverter) to rain or condensation before the connectors are mated. C. Torque the mounting fasteners to the values shown. Do not over torque. - Page 29 Microinverter Communications LED Device Scan button Log in to Enphase Installer platform to use Enphase installer platform’s Array Builder to add the newly detected microinverter to the virtual array. Ship the old microinverter to Enphase using the supplied return-shipping label.
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Page 30: Replacement Parts And Cabling
These parts are available from your Enphase distributor. Enphase IQ Cable Planning and Ordering The Enphase IQ Cable is a continuous length of 12 AWG, double insulated, outdoor-rated cable with integrated connectors for microinverters. These connectors are preinstalled along the IQ Cable at intervals to accommodate varying PV module widths. -
Page 31: Enphase Q Cable Accessories
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ Cable Accessories The Enphase IQ Cable is available with several accessory options for ease of installation, including: • Field wireable connectors (male): (Q-CONN-10M) Make connections from any Field Wireable female connector •... -
Page 32: Technical Data
Technical Data Technical Considerations Be sure to apply the following when installing the Enphase IQ8 Series Micro System: WARNING: Risk of equipment damage. You must match the DC operating voltage range of the PV module with the allowable input voltage range of the Enphase Microinverter. -
Page 33: Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Specifications See specifications in the following tables for: • Enphase IQ8-60-2-US Microinverters • Enphase IQ8PLUS-72-2-US Microinverters • Enphase IQ8M-72-2-US Microinverters • Enphase IQ8A-72-2-US Microinverters • Enphase IQ8H-240-72-2-US Microinverters •... - Page 34 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8-60-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 240 VAC (single phase) CEC weighted efficiency 240 VAC (single phase) Total harmonic distortion <5...
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Page 35: Iq8Plus-72-2-Us Microinverter Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation IQ8PLUS-72-2-US Microinverter Specifications Enphase IQ8Plus-72-2-US Microinverter Parameters Topic Unit Typical DC Parameters 235W – 440W Commonly used modules for pairing Peak power tracking voltage Operating Voltage Range... - Page 36 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8PLUS-72-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 240 VAC (single phase) CEC weighted efficiency 240 VAC (single phase) 97.0%...
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Page 37: Iq8M-72-2-Us Microinverter Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation IQ8M-72-2-US Microinverter Specifications Enphase IQ8M-72-2-US Microinverter Parameters Topic Unit Typical DC Parameters 260W – 460W Commonly used modules for pairing Peak power tracking voltage Operating Voltage Range... - Page 38 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8M-72-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 240 VAC (single phase) CEC weighted efficiency 240 VAC (single phase) 97.0%...
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Page 39: Iq8A-72-2-Us Microinverter Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation IQ8A-72-2-US Microinverter Specifications Enphase IQ8A-72-2-US Microinverter Parameters Topic Unit Typical DC Parameters 295W – 500W Commonly used modules for pairing Peak power tracking voltage Operating Voltage Range... - Page 40 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8A-72-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 240 VAC (single phase) CEC weighted efficiency 240 VAC (single phase) 97.5%...
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Page 41: Iq8H-240-72-2-Us Microinverter Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation IQ8H-240-72-2-US Microinverter Specifications Enphase IQ8H-240-72-2-US Microinverter Parameters Topic Unit Typical DC Parameters 320W – 540W+ Commonly used modules for pairing Peak power tracking voltage Operating Voltage Range... - Page 42 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8H-240-72-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 240 VAC (single phase) CEC weighted efficiency 240 VAC (single phase) 97.0%...
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Page 43: Iq8H-208-72-2-Us Microinverter Specifications
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation IQ8H-208-72-2-US Microinverter Specifications Enphase IQ8H-208-72-2-US Microinverter Parameters Topic Unit Typical DC Parameters 295W – 500W+ Commonly used modules for pairing Peak power tracking voltage Operating Voltage Range... - Page 44 IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase IQ8H-208-72-2-US Microinverter Parameters Topic Unit Typical Miscellaneous Parameters Maximum microinverters per 20A (max) AC branch circuit 208 VAC CEC weighted efficiency 208 VAC 97.0% Total harmonic distortion <5...
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Page 45: Iq Cable Specifications
Enphase Connector Ratings Enphase Connectors on the cable assemblies in the following table have a maximum current of 20 A, a maximum OCPD of 20 A, and maximum ambient temperature of -40° to +79° C (-40° to +174.2° F) and are... -
Page 46: Enphase Installation Map
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Enphase Installation Map © 2022 Enphase Energy Inc. All rights reserved. Mar 2022... -
Page 47: Sample Wiring Diagram
IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation Sample wiring diagram © 2022 Enphase Energy Inc. All rights reserved. Mar 2022...