IQ7+ Micro Installation
Table Of Contents
- Important Safety Information
- The Enphase IQ System
- Planning for Microinverter Installation
- Parts and Tools Required
- Enphase Microinverter Installation
- Step 1: Position the Enphase Q Cable
- Step 2: Position the Junction Box
- Step 3: Mount the Microinverters
- Step 4: Create an Installation Map
- Step 5: Manage the Cabling
- Step 6: Connect the Microinverters
- Step 7: Terminate the Unused End of the Cable
- Step 8: Complete Installation of Junction Box
- Step 9: Connect the PV Modules
- Step 10: Energize the System
- Set Up and Activate Monitoring
- Troubleshooting
- Technical Data
IQ 7 / IQ 7+ / IQ 7X Micro Installation and Operation
© 2018 Enphase Energy Inc. All rights reserved. 141-00043-02
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Table of Contents
Important Safety Information .......................................................................................................................................... 5
Read this First .................................................................................................................................................. 5
Product Labels ................................................................................................................................................. 5
Safety and Advisory Symbols........................................................................................................................... 5
IQ 7 Microinverter Safety Instructions .............................................................................................................. 5
PV Rapid Shutdown Equipment (PVRSE) ....................................................................................................... 7
The Enphase IQ System................................................................................................................................................. 8
How the Enphase IQ Series Micros Work ........................................................................................................ 9
System Monitoring ....................................................................................................................................... 9
Optimal Reliability ........................................................................................................................................ 9
Ease of Design ............................................................................................................................................. 9
Planning for Microinverter Installation........................................................................................................................... 10
Compatibility ................................................................................................................................................... 10
Grounding Considerations.............................................................................................................................. 10
Branch Circuit Capacity .................................................................................................................................. 11
Utility Service Requirements .......................................................................................................................... 11
Wire Lengths and Voltage Rise ...................................................................................................................... 11
Lightning and Surge Suppression .................................................................................................................. 12
Parts and Tools Required ............................................................................................................................................. 13
Enphase Equipment ................................................................................................................................... 13
Other Items ................................................................................................................................................ 13
Enphase Microinverter Installation................................................................................................................................ 14
Step 1: Position the Enphase Q Cable ........................................................................................................... 15
Step 2: Position the Junction Box................................................................................................................... 15
Step 3: Mount the Microinverters ................................................................................................................... 16
Step 4: Create an Installation Map ................................................................................................................. 17
Step 5: Manage the Cabling ........................................................................................................................... 18
Step 6: Connect the Microinverters ................................................................................................................ 18
Step 7: Terminate the Unused End of the Cable............................................................................................ 19
Step 8: Complete Installation of Junction Box ................................................................................................ 20
Step 9: Connect the PV Modules ................................................................................................................... 20
Step 10: Energize the System ........................................................................................................................ 21
Set Up and Activate Monitoring ...................................................................................................................... 21
Troubleshooting ............................................................................................................................................................ 22
Status LED Indications and Error Reporting .................................................................................................. 22
LED Operation ........................................................................................................................................... 22
DC Resistance Low – Power Off Condition ............................................................................................... 22
Other Faults ............................................................................................................................................... 23
Troubleshoot an Inoperable Microinverter...................................................................................................... 24
Disconnect a Microinverter ............................................................................................................................. 25
Install a Replacement Microinverter ............................................................................................................... 26
Ordering Replacement Parts .......................................................................................................................... 28
Enphase Q Cable Planning and Ordering ...................................................................................................... 28
Connector Spacing Options ........................................................................................................................... 28
Cabling Options .............................................................................................................................................. 28
Enphase Q Cable Accessories....................................................................................................................... 29
Technical Data .............................................................................................................................................................. 30
Technical Considerations ............................................................................................................................... 30
Specifications ................................................................................................................................................. 31
IQ7-60-2-US Microinverter Specifications .................................................................................................. 31
IQ7PLUS-72-2-US Microinverter Specifications ........................................................................................ 34
IQ7X-96-2-US Microinverter Specifications ............................................................................................... 36