enphase IQ 7 Installation And Operation Manual Download Page 3

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IQ 7 / IQ 7+ / IQ 7X / IQ 7A with EN4 Bulkhead Installation and Operation

141-00047-01

Table of Contents

Important Safety Information .......................................................................................................................................... 5

Read this First .................................................................................................................................................. 5

EN4 Bulkhead Microinverters ........................................................................................................................... 5

Product Labels ................................................................................................................................................. 5

Safety and Advisory Symbols........................................................................................................................... 5

IQ 7 Series Microinverter Safety Instructions ................................................................................................... 6

PV Rapid Shutdown Equipment (PVRSE) ....................................................................................................... 8

The Enphase IQ System................................................................................................................................................. 9

How the Enphase IQ Series Micros Work ...................................................................................................... 10

System Monitoring ..................................................................................................................................... 10

Optimal Reliability ...................................................................................................................................... 10

Ease of Design ........................................................................................................................................... 10

Planning for Microinverter Installation........................................................................................................................... 11

Compatibility ................................................................................................................................................... 11

About EN4 Bulkhead Microinverters .............................................................................................................. 12

Grounding Considerations.............................................................................................................................. 12

Branch Circuit Capacity .................................................................................................................................. 13

Utility Service Requirements .......................................................................................................................... 13

Wire Lengths and Voltage Rise ...................................................................................................................... 13

Lightning and Surge Suppression .................................................................................................................. 14

Parts and Tools Required ............................................................................................................................................. 14

Enphase Equipment ....................................................................................................................................... 14

Other Items..................................................................................................................................................... 14

Enphase Microinverter Installation................................................................................................................................ 15

Step 1: Position the Enphase Q Cable ........................................................................................................... 16

Step 2: Position the Enphase Q Aggregator or Junction Box ........................................................................ 16

Step 3: Mount the Microinverters ................................................................................................................... 17

Step 4: Create an Installation Map ................................................................................................................. 18

Step 5: Manage the Cabling ........................................................................................................................... 19

Step 6: Connect the Microinverters ................................................................................................................ 19

Step 7: Terminate the Unused End of the Cable............................................................................................ 20

Step 8: Complete Installation of the Enphase Q Aggregator or Junction Box ................................................ 21

Step 9: Connect the PV Modules ................................................................................................................... 21

Step 10: Energize the System ........................................................................................................................ 22

Set Up and Activate Monitoring ...................................................................................................................... 22

Troubleshooting ............................................................................................................................................................ 23

Status LED Indications and Error Reporting .................................................................................................. 23

LED Operation ........................................................................................................................................... 23

DC Resistance Low

– Power Off Condition ............................................................................................... 23

Other Faults ............................................................................................................................................... 24

Troubleshoot an Inoperable Microinverter...................................................................................................... 25

Disconnect a Microinverter ............................................................................................................................. 26

Install a Replacement Microinverter ............................................................................................................... 27

Summary of Contents for IQ 7

Page 1: ...INSTALLATION AND OPERATION MANUAL June 11 2020 141 00047 01 Enphase IQ 7 IQ 7 IQ 7X and IQ 7A Micros with EN4 Bulkhead IQ 7 Series Micro with EN4 Bulkhead ...

Page 2: ...eceiving 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 ...

Page 3: ...ngths and Voltage Rise 13 Lightning and Surge Suppression 14 Parts and Tools Required 14 Enphase Equipment 14 Other Items 14 Enphase Microinverter Installation 15 Step 1 Position the Enphase Q Cable 16 Step 2 Position the Enphase Q Aggregator or Junction Box 16 Step 3 Mount the Microinverters 17 Step 4 Create an Installation Map 18 Step 5 Manage the Cabling 19 Step 6 Connect the Microinverters 19 ...

Page 4: ... Options 29 Cabling Options 29 Enphase Q Cable Accessories 30 Technical Data 31 Technical Considerations 31 Specifications 32 IQ7 60 E US Microinverter Specifications 32 IQ7PLUS 72 E US Microinverter Specifications 35 IQ7X 96 E US Microinverter Specifications 37 IQ7A 72 E US Microinverter Specifications 39 Q Cable Specifications 41 Enphase Connector Ratings 41 Enphase Installation Map 42 Sample Wi...

Page 5: ...ase bulkhead adapters are required An IQ Envoy is required to monitor performance of the IQ Microinverters The Q Accessories work only with Enphase IQ Series Microinverters Product Labels The following symbols appear on the product label and are described here WARNING Hot surface DANGER Refer to safety instructions DANGER Risk of electrical shock Refer to manual Double insulated Safety and Advisor...

Page 6: ...ust only be mated with the matching male female connector NOTES To ensure optimal reliability and to meet warranty requirements install the Enphase equipment according to the instructions in this manual The AC and DC connectors on the cabling are rated as a disconnect only when used with an Enphase Microinverter Use recommended disconnection tools to prevent damage to the microinverter Protection ...

Page 7: ...If the exposed wires are damaged the system may not function properly Do not leave AC connectors on the Q Cable uncovered for an extended period You must cover any unused connector with a sealing cap Make sure protective sealing caps have been installed on all unused AC connectors Unused AC connectors are live when the system is energized WARNING Use the terminator only once If you open the termin...

Page 8: ...ice and or with status indicator which must be installed in a location accessible to first responders or it must be connected to an automatic system which initiates rapid shutdown upon the activation of a system disconnect or activation of another type of emergency system The initiator shall be listed and identified as a disconnecting means that plainly indicates whether it is in the off or on pos...

Page 9: ...oftware 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 effici...

Page 10: ... connection 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 sin...

Page 11: ...com en us support module compatibility to verify PV module electrical compatibility To ensure mechanical compatibility be sure to order the correct connector type for 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 modu...

Page 12: ...K03M M 2B male TE Connectivity Tyco Electronics PV4 SF4 0 female and PV4 SM4 0 male Canadian Solar T4 PC 1 female and male Enphase Bulkhead Adapters Adapter Part Number Model SKU Maximum Voltage EN4 TE PV4 S SOLARLOK 150mm 5 9 to MC4 860 00311 ECA EN4 S22 80 VDC EN4 TE PV4 S SOLARLOK to 150mm 5 9 non terminated cable 860 00312 ECA EN4 FW 80 VDC EN4 TE PV4 S SOLARLOK 600mm 23 6 to MC4 for use with ...

Page 13: ...lations 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 ...

Page 14: ...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 track system installati...

Page 15: ...listed here is detailed in the following pages Step 1 Position the Enphase Q Cable Step 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 t...

Page 16: ...l to prevent 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 Enp...

Page 17: ... microinverter 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 WARNING IQ7A installs are not recommended with bi facial modules and use of such may impact the limited warranty B Torque the microinverter fasteners as follows Do not over torque 6 mm mounting hardware 5 N m 45 to 50 i...

Page 18: ...g the 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 to...

Page 19: ...ripping 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 become live wh...

Page 20: ...hat each 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...

Page 21: ...zard 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 adapters to the microinverters Make sure they are fully seated Do not reverse the adapter connections Ensure that the PV4 S connector from the adapter is connected to the EN4 bulkhe...

Page 22: ...on To reset see DC Resistance Low Power Off Condition on page 23 Set Up and Activate Monitoring Refer to the Enphase IQ Envoy Quick Install Guide to install the IQ Envoy and set up system monitoring and grid management functions This guide leads you through the following Connecting the Envoy Detect devices Connecting to Enlighten Registering the system Building the virtual array NOTE When the util...

Page 23: ...he Envoy 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 probl...

Page 24: ...d on date 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 microinverte...

Page 25: ...esent 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 connections are properly seated Reseat if necessary Check also for damage such as rodent damage H Make sure that any upstream AC disconnects as well as the dedicated circuit breakers for each AC branch circuit are fu...

Page 26: ...ircuit 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 module with an opaque cover D Using a clamp on meter verify there is no current flowing in the DC wires between the PV module and the microinverter If current is still flowing check that you have completed steps o...

Page 27: ... 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 hardware should be discarded and new bonding hardware must be used when installing the...

Page 28: ... device 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 Sca...

Page 29: ... is available in three connector 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 inclu...

Page 30: ...open connector 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 too...

Page 31: ...pecified maximum input voltage of the Enphase Microinverter PV modules must have conductors labeled PV Wire or PV Cable to comply with NEC for Ungrounded PV Power Systems Verify that the voltage and current specifications of the PV module match those of the microinverter The maximum short circuit current rating of the PV module must be equal to or less than the maximum input DC short circuit curre...

Page 32: ...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 AC output voltage range2 240 VAC ...

Page 33: ...emperature range C 40 65 Night tare loss mW 50 Storage temperature range C 40 85 Features and Specifications Compatibility Pairs with most 60 cell PV modules the PV module DC conductors must be labeled PV Wire or PV Cable to be compliant with NEC for Ungrounded PV Power Systems Dimensions not including mounting bracket 212 mm x 175 mm x 30 2 mm approximate Connector type Enphase EN4 bulkhead Weigh...

Page 34: ...014 and 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...

Page 35: ...inuous 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 protectio...

Page 36: ...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 CSA C2...

Page 37: ...uous AC 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 ...

Page 38: ... 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 CSA C22 2 NO ...

Page 39: ...C VA 349 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 o...

Page 40: ...L 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 CSA C22...

Page 41: ...MA 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 assemblies in the f...

Page 43: ...stalling 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 reserv...

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