enphase IQ Series Installation And Operation Manual Download

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IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation

141-00043-03

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

Summary of Contents for IQ Series

Page 1: ...INSTALLATION AND OPERATION MANUAL October 2020 141 00043 03 Enphase IQ 7 IQ 7 IQ 7X and IQ 7A Micros ...

Page 2: ...ng antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by the party responsible for compliance may void the user s authority to operate the equipment Other Inform...

Page 3: ... 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 ...

Page 4: ... Cabling Options 27 Enphase Q Cable Accessories 28 Technical Data 29 Technical Considerations 29 Module Requirements 29 Bifacial Modules 29 Specifications 30 IQ7 60 2 US Microinverter Specifications 30 IQ7PLUS 72 2 US Microinverter Specifications 33 IQ7X 96 2 US Microinverter Specifications 35 IQ7A 72 2 US Microinverter Specifications 37 Q Cable Specifications 39 Enphase Connector Ratings 39 Enpha...

Page 5: ...and important safety instructions DANGER This indicates a hazardous situation which if not avoided will result in death or serious injury WARNING This indicates a situation where failure to follow instructions may be a safety hazard or cause equipment malfunction Use extreme caution and follow instructions carefully WARNING This indicates a situation where failure to follow instructions may result...

Page 6: ...n working with microinverters DANGER Risk of fire The DC conductors of the PV module must be labeled PV Wire or PV Cable when paired with the Enphase Microinverter DANGER Risk of electric shock Risk of fire Only qualified personnel may connect the Enphase Microinverter to the utility grid Do not attempt to repair the Enphase Microinverter it contains no user serviceable parts If it fails contact E...

Page 7: ... explosive environments Do not allow the terminator to come into contact with open flame Fit the terminator cap using only the prescribed tools and in the prescribed manner Use the terminator to seal the conductor end of the Enphase Q Cable no other method is allowed PV Rapid Shutdown Equipment PVRSE This product is UL Listed as PV Rapid Shut Down Equipment and conforms with NEC 2014 and NEC 2017 ...

Page 8: ...e Installers can use Enlighten Manager to view detailed performance data manage multiple PV systems and remotely resolve issues that might impact system performance Find out more at enphase com enlighten Enphase Installer Toolkit mobile app for iOS and Android devices It allows installers to configure the system while onsite eliminating the need for a laptop and improving installation efficiency Y...

Page 9: ...ction through a broadband router or modem the Enphase IQ Microinverters automatically begin reporting to Enlighten Enlighten presents current and historical system performance trends and informs you of PV system status Optimal Reliability Microinverter systems are inherently more reliable than traditional inverters The distributed nature of a microinverter system ensures that there is no single po...

Page 10: ...both microinverter and PV module from your distributor WARNING Risk of fire The PV module DC conductors must be labeled PV Wire or PV Cable to comply with NEC for Ungrounded PV Power Systems Microinverter model Connector type PV module cell count IQ7 60 2 US MC 4 locking type Pair only with 60 cell 120 half cell IQ7A 72 2 US MC 4 locking type Pair with 60 cell 120 half cell and 72 cell 144 half ce...

Page 11: ...s require that you use the Enphase IQ Envoy to commission the Enphase Microinverters to propagate correct grid profile settings for 208 VAC trip points Wire Lengths and Voltage Rise When planning the system you must select the appropriate AC conductor size to minimize voltage rise Select the correct wire size based on the distance from the beginning of the microinverter AC branch circuit to the br...

Page 12: ... Equipment Enphase IQ Envoy Required to monitor production IQ Envoy model ENV IQ AM1 240 communications gateway or IQ Combiner model X IQ AM1 240 B X IQ AM1 240 2 X IQ AM1 240 3 X IQ AM1 240 3C Enphase Installer Toolkit Download the Enphase Installer Toolkit mobile app open it and log in to your Enlighten account Use it later to scan microinverter serial numbers and connect to the IQ Envoy to trac...

Page 13: ...tep 2 Position the Enphase Q Aggregator or 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 the Enphase Q Aggregator or Junction Box Step 9 Connect the PV Modules Step 10 Energize the System Junction box Enphase IQ Series Micros Tie ...

Page 14: ...revent cable damage or connector damage Do not count on connector to withstand tension Step 2 Position the Enphase Q Aggregator or Junction Box A Verify that AC voltage at the site is within range Service type and voltage L1 L2 240 VAC Split Phase 211 to 264 VAC 208 VAC Single Phase 183 to 229 VAC NOTES All 208 VAC installations require that you use the Enphase IQ Envoy to commission the Enphase M...

Page 15: ...e top of the microinverter For vertical mount also maintain 30 cm 12 clearance from the edges of the PV module to protect the microinverter from direct exposure to rain UV and other harmful weather events WARNING Install the microinverter under the PV module to avoid direct exposure to rain UV and other harmful weather events Do not mount the microinverter upside down B Torque the microinverter fa...

Page 16: ...serial number labels from the microinverter mounting plates and placing the labels on the map You will also place the Enphase IQ Envoy and IQ Battery serial number on the map after installation After you have created the installation map use the Enphase Installer Toolkit mobile app to record serial numbers and configure the system For details refer to Detect the Microinverters in the help topics o...

Page 17: ...n become a tripping hazard Dress the Enphase Q Cable to minimize this potential Step 6 Connect the Microinverters A Connect the microinverter Listen for a click as the connectors engage B Cover any unused connector with Enphase Sealing Caps Listen for a click as the connectors engage WARNING Risk of electric shock Risk of fire Install sealing caps on all unused AC connectors as these connectors be...

Page 18: ...ch of the two wires land on opposite sides of the internal separator D Insert a screwdriver into the slot on the top of the terminator to hold it in place and torque the nut to 7 Nm E Hold the terminator body stationary with the screwdriver and turn only the hex nut to prevent the conductors from twisting out of the separator NOTE Turn only the hex nut to prevent conductors from twisting out of th...

Page 19: ... Black L2 Red Step 9 Connect the PV Modules WARNING Electrical shock hazard The DC conductors of this photovoltaic system are ungrounded and may be energized WARNING If adapters are used ensure that they are installed in the correct orientation A If required attach the Enphase DC bulkhead adaptors to the microinverters Make sure they are fully seated Do not reverse the adaptor connections B Connec...

Page 20: ...a profile other than the default IEEE 1547 for example grids managed by Hawaii Electric Industries HEI including HECO you must select an appropriate grid profile for your installation You can set the grid profile through Enlighten during system registration or through Installer Toolkit at any time You must have an Enphase Envoy communications gateway to set or change the grid profile For more info...

Page 21: ...oy until the error has been cleared An insulation resistance IR sensor in the microinverter measures the resistance between the positive and negative PV inputs to ground If either resistance drops below a threshold the microinverter stops power production and raises this condition This may indicate defective module insulation defective wiring or connectors moisture ingress or a similar problem Alt...

Page 22: ...ate and time for this microinverter and is still pending Method 2 Use Installer Toolkit to Clear the Condition On the list of detected microinverters a green dot or red square appears to the left of each microinverter serial number A green dot indicates Status OK A red square indicates an event for that microinverter Tap the to the left of the serial number to view details for a microinverter even...

Page 23: ...phase L1 to L2 183 to 229 VAC L1 L2 to ground 106 to 132 VAC E Using an Enphase disconnect tool disconnect the AC cable for the microinverter in question from the Enphase Q Cable F Verify that utility power is present at the microinverter by measuring line to line and line to ground at the Enphase Q Cable connector G Visually check that the AC branch circuit connections Enphase Q Cable and AC conn...

Page 24: ...phase authorizes a replacement follow the steps below To ensure the microinverter is not disconnected from the 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 Q Cable insert the disconnect tool and remove the connector C Cover the PV m...

Page 25: ...on 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 6 mm 1 4 mounting hardware 5 N m 45 to 50 in lbs 8 mm 5 16 mounting hardware 9 N m 80 to 85 in lbs When using UL 2703 mounting hardware use the manufacturer s recommended torque value D If you are using bonding hardware the old bonding har...

Page 26: ...e scanning is inhibited on the IQ Envoy you must use the Installer Toolkit scanning tool to provision them on the IQ Envoy rather than using the IQ Envoy s device scanning function to discover them If this is not possible and you need to enable device scanning on the IQ Envoy contact Enphase Customer Support at enphase com en us support contact b Method 2 Use an IQ Envoy Press the Device Scan butt...

Page 27: ...ctor spacing options The gap between connectors on the cable can be 1 3 meters 2 0 meters or 2 3 meters The 1 3 meter spacing is best suited for connecting PV modules installed in portrait orientation while the 2 0 meter and 2 3 meter spacing allows you to install 60 cell and 72 cell PV modules in landscape orientation respectively Cabling Options Ordering options include Cable model Connector spa...

Page 28: ...onnector or Field Wireable male connector Enphase Q Aggregator Q BA 3 1P 60 Aggregates up to three fully populated 20A branch circuits and supports solar arrays of up to 11 5kWac with a single rooftop aggregator Enphase raw Q Cable Q 12 RAW 200 300 meters of 12 AWG cable with no connectors Cable clips Q CLIP 100 Used to fasten cabling to the racking or to secure looped cabling Disconnect tool Q DI...

Page 29: ...pends on the quantity size and temperature of the PV cells as well as the insolation on each cell The highest PV module output voltage occurs when the temperature of the cells is the lowest and the PV module is at open circuit not operating Bifacial Modules Enphase microinverters are compatible with bifacial PV modules Bifacial solar modules produce power from both sides of a bifacial module incre...

Page 30: ...short circuit current module Isc A 15 Overvoltage class DC port II DC Port backfeed under single fault A 0 PV array configuration 1x1 ungrounded array No additional DC side protection required AC side protection requires max 20A per branch circuit AC Parameters Maximum continuous AC output power 40 C to 65 C VA 240 Peak output power VA 250 Power factor adjustable 0 85 leading 0 85 lagging Nominal ...

Page 31: ...5 Static MPPT efficiency weighted ref EN 50530 99 0 Total harmonic distortion 5 Ambient temperature range C 40 65 Night tare loss mW 50 Storage temperature range C 40 85 Features and Specifications Compatibility Pairs with most 60 cell 120 half cell PV modules Dimensions not including mounting bracket 212 mm x 175 mm x 30 2 mm approximate Connector type MC 4 connector Weight 1 08 kg 2 38 lbs Envir...

Page 32: ...d NEC 2017 section 690 12 and C22 1 2015 Rule 64 218 Rapid Shutdown of PV Systems for AC and DC conductors when installed according manufacturer s instructions Grounding The DC circuit meets the requirements for ungrounded PV arrays in NEC Ground fault protection GFP is integrated into the class II double insulated microinverter Monitoring Enlighten Manager and MyEnlighten monitoring options Both ...

Page 33: ... AC output power 40 to 65 C VA 290 Peak output power VA 295 Power factor adjustable 0 85 leading 0 85 lagging Nominal AC output voltage range5 240 VAC single phase 208 VAC single phase Vrms Vrms 211 183 264 229 Nominal output current 240 VAC single phase 208 VAC single phase Arms Arms 1 21 1 39 Nominal frequency Hz 60 Extended frequency range Hz 47 68 Maximum AC output over current protection devi...

Page 34: ...n using UL 2703 mounting hardware use the manufacturer s recommended torque value Cooling Natural convection no fans Relative humidity range 4 to 100 condensing Approved for wet locations Yes Pollution degree PD3 Communication Power line communication PLC Standard warranty term enphase com warranty Compliance CA Rule 21 UL 1741 SA UL 62109 1 UL1741 IEEE1547 FCC Part 15 Class B ICES 0003 Class B CA...

Page 35: ...C output power 40 to 65 C VA 315 Peak output power VA 320 Power factor adjustable 0 85 leading 0 85 lagging Nominal AC output voltage range8 240 VAC single phase 208 VAC single phase Vrms Vrms 211 183 264 229 Nominal output current 240 VAC single phase 208 VAC single phase Arms Arms 1 31 1 51 Nominal frequency Hz 60 Extended frequency range Hz 47 68 Maximum AC output over current protection device...

Page 36: ... hardware use the manufacturer s recommended torque value Cooling Natural convection no fans Relative humidity range 4 to 100 condensing Approved for wet locations Yes Pollution degree PD3 Communication Power line communication PLC Standard warranty term enphase com warranty Compliance CA Rule 21 UL 1741 SA UL 62109 1 UL1741 IEEE1547 FCC Part 15 Class B ICES 0003 Class B CAN CSA C22 2 NO 107 1 01 ...

Page 37: ...49 VA 240 VAC 290 VA 208 VAC Peak output power VA 366 VA 240 VAC 295 VA 208 VAC Power factor adjustable 0 85 leading 0 85 lagging Nominal AC output voltage range11 240 VAC single phase 208 VAC single phase Vrms Vrms 211 183 264 229 Nominal output current 240 VAC single phase 208 VAC single phase Arms Arms 1 45 1 39 Nominal frequency Hz 60 Extended frequency range Hz 47 68 Maximum AC output over cu...

Page 38: ...using UL 2703 mounting hardware use the manufacturer s recommended torque value Cooling Natural convection no fans Relative humidity range 4 to 100 condensing Approved for wet locations Yes Pollution degree PD3 Communication Power line communication PLC Standard warranty term enphase com warranty Compliance CA Rule 21 UL 1741 SA UL 62109 1 UL1741 IEEE1547 FCC Part 15 Class B ICES 0003 Class B CAN ...

Page 39: ...0529 IP67 NEMA 6 UV resistance 720h Compliance RoHS OIL RES I CE UV Resistant combined UL for Canada and United States Conductor size 12 AWG Maximum loop size 12 cm 4 75 Flat cable dimensions 6 mm x 9 5 mm 0 2 x 0 37 Sealing cap dimensions 38 6 mm x 20 mm 1 5 x 0 7 Cable connector dimensions 20 mm x 1 1 mm x 6 5 mm 0 7 x 0 04 x 0 25 Enphase Connector Ratings Enphase Connectors on the cable assembl...

Page 41: ...ng any solar equipment The voltages for the microinverters should be within the following ranges 240 VAC line to line 211 to 264 VAC line to ground 106 to 132 VAC 208 VAC line to line 183 to 229 VAC line to ground 106 to 132 VAC NOTE Ground PV modules according to local requirements ENPHASE IQ 7 IQ 7 IQ 7A and IQ 7X MICROINVERTER FIELD WIRING DIAGRAM 2019 Enphase Energy Inc All rights reserved MET...

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