enphase IQ 7+ User Manual

IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation
© 2020 Enphase Energy Inc. All rights reserved. 141-00043-03
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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 ............................................................................................................................................ 12
Enphase Equipment ...................................................................................................................................... 12
Other Items .................................................................................................................................................... 12
Enphase Microinverter Installation ............................................................................................................................... 13
Step 1: Position the Enphase Q Cable........................................................................................................... 14
Step 2: Position the Enphase Q Aggregator or Junction Box ......................................................................... 14
Step 3: Mount the Microinverters ................................................................................................................... 15
Step 4: Create an Installation Map ................................................................................................................. 16
Step 5: Manage the Cabling .......................................................................................................................... 17
Step 6: Connect the Microinverters ................................................................................................................ 17
Step 7: Terminate the Unused End of the Cable ........................................................................................... 18
Step 8: Complete Installation of the Enphase Q Aggregator or Junction Box ................................................ 19
Step 9: Connect the PV Modules ................................................................................................................... 19
Step 10: Energize the System ....................................................................................................................... 20
Set Up and Activate Monitoring ..................................................................................................................... 20
Troubleshooting ........................................................................................................................................................... 21
Status LED Indications and Error Reporting .................................................................................................. 21
LED Operation ........................................................................................................................................... 21
DC Resistance Low – Power Off Condition ............................................................................................... 21
Other Faults ............................................................................................................................................... 22
Troubleshoot an Inoperable Microinverter ..................................................................................................... 23
Disconnect a Microinverter ............................................................................................................................ 24
Install a Replacement Microinverter ............................................................................................................... 25

enphase IQ 7+ Specifications

General

Brand	enphase
Model	IQ 7+
Category	Inverter
Language	English