enphase IQ 7 User Manual

IQ 7 / IQ 7+ / IQ 7X / IQ 7A Installation and Operation
© 2020 Enphase Energy Inc. All rights reserved. 141-00044-02
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Table of Contents
Important Safety Information .................................................................................................................................... 4
Read this First ............................................................................................................................................ 4
Product Labels ........................................................................................................................................... 4
Safety and Advisory Symbols..................................................................................................................... 4
IQ 7 Series Microinverter Safety Instructions ............................................................................................. 4
The Enphase IQ System........................................................................................................................................... 7
How the Enphase IQ Series Micros Work .................................................................................................. 8
System Monitoring ................................................................................................................................. 8
Optimal Reliability .................................................................................................................................. 8
Ease of Design ....................................................................................................................................... 8
Planning for Microinverter Installation....................................................................................................................... 9
Compatibility ............................................................................................................................................... 9
Grounding Considerations.......................................................................................................................... 9
Branch Circuit Capacity ............................................................................................................................ 10
Utility Service Requirements .................................................................................................................... 10
Wire Lengths and Voltage Rise ................................................................................................................ 10
Lightning and Surge Suppression ............................................................................................................ 10
Parts and Tools Required ....................................................................................................................................... 11
Enphase Equipment ............................................................................................................................. 11
Other Items .......................................................................................................................................... 11
Enphase Microinverter Installation.......................................................................................................................... 12
Step 1: Position the Enphase Q Cable ..................................................................................................... 13
Step 2: Position the Junction Box............................................................................................................. 13
Step 3: Mount the Microinverters ............................................................................................................. 14
Step 4: Create an Installation Map ........................................................................................................... 15
Step 5: Manage the Cabling ..................................................................................................................... 16
Step 6: Connect the Microinverters .......................................................................................................... 16
Step 7: Terminate the Unused End of the Cable...................................................................................... 17
Step 8: Complete Installation of the Junction Box .................................................................................... 18
Step 9: Connect the PV Modules ............................................................................................................. 18
Step 10: Energize the System .................................................................................................................. 19
Set Up and Activate Monitoring ................................................................................................................ 19
Troubleshooting ...................................................................................................................................................... 20
Status LED Indications and Error Reporting ............................................................................................ 20
LED Operation ..................................................................................................................................... 20
DC Resistance Low – Power Off Condition ......................................................................................... 20
Other Faults ......................................................................................................................................... 21
Troubleshoot an Inoperable Microinverter................................................................................................ 22
Disconnect a Microinverter ....................................................................................................................... 23
Install a Replacement Microinverter ......................................................................................................... 24
Ordering Replacement Parts .................................................................................................................... 25
Enphase Q Cable Planning and Ordering ................................................................................................ 26
Connector Spacing Options ................................................................................................................. 26
Cabling Options ................................................................................................................................... 26
Enphase Q Cable Accessories ............................................................................................................ 26
Technical Data ........................................................................................................................................................ 27
Technical Considerations ......................................................................................................................... 27
Compliance Data ...................................................................................................................................... 27
Anti-Islanding ....................................................................................................................................... 27
PQ Capability Curve ............................................................................................................................ 27
Specifications ........................................................................................................................................... 28
IQ7-60-2-INT Microinverter Specifications ........................................................................................... 28
IQ7PLUS-72-2-INT Microinverter Specifications ................................................................................. 30
IQ7A-72-2-INT Microinverter Specifications ........................................................................................ 32
IQ7X-96-2-INT Microinverter Specifications ........................................................................................ 34
Q Cable Specifications ......................................................................................................................... 36
Enphase Installation Map ......................................................................................................................... 37
Sample Wiring Diagram – single-phase: .................................................................................................. 38
Sample Wiring Diagram – multiphase: ..................................................................................................... 39

enphase IQ 7 Specifications

General

Model	IQ7
Peak Output Power	250 VA
Maximum Input DC Voltage	48 V
Operating Temperature Range	-40°C to +65°C
Enclosure Rating	IP67
AC Power Output	240 VA
Output Voltage Range	211 - 264 V
Warranty	25 years
CEC Efficiency	97.0%
CEC Weighted Efficiency	97.0%
Dimensions	212 mm x 175 mm
Weight	1.0 kg (2.2 lb)