Table Of Contents - enphase IQ 7 Installation And Operation Manual

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
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