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APsystems QT2, Installation Manual

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APsystems QT2 Microinverter

(For Australia, New Zealand)

APsystems Microinverter Installation manual

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All Rights Reserved

ALTENERGY POWER SYSTEM Inc.

apsystems.com.au

APsystems Australia

Suite 502, 8 Help Street, Chatswood NSW 2067 Australia

EMAIL: [email protected]

Summary of Contents for QT2

Page 1: ...mation APsystems QT2 Microinverter For Australia New Zealand APsystems Microinverter Installation manual All Rights Reserved ALTENERGY POWER SYSTEM Inc apsystems com au APsystems Australia Suite 502 8 Help Street Chatswood NSW 2067 Australia EMAIL info aunz APsystems com ...

Page 2: ... 10 4 3 5 Step 5 Connect the APsystems microinverter to AC bus cable 10 4 3 6 Step 6 Install a Bus Cable End Cap at the end of AC bus cable 11 4 3 7 Step 7 Connect APsystems Microinverters to the PV Modules 12 4 3 8 Step 8 Connect APsystems Microinverters to Grid 13 4 3 9 Step 9 AC Extension Cable 13 4 3 10 Step 10 Complete the APsystems installation map 14 4 3 11 Step 11 Warning Notice 14 5 APsys...

Page 3: ...e installing or using the APsystems Microinverter please read all instructions and cautionary markings in the technical documents and on the APsystems Microinverter system and the solar array Do NOT disconnect the PV module from the APsystems Microinverter without first disconnecting the AC power Be aware that the body of the APsystems Microinverter is the heat sink and can reach a temperature of ...

Page 4: ... harmful interference in a residential installation Nonetheless if the Microinverter does cause harmful interference to radio or television reception you are encouraged to try to correct the interferences by one of more of the following measures A Reorient or relocate the receiving antenna B Increase the separation between the Microinverter and the receiver C Connect the Microinverter into an outl...

Page 5: ...ing the decommissioning of equipment CE mark is attached to the solar inverter to verify that the unit follows the provisions of the European Low Voltage and EMC Directives Refer to the operating instructions Qualified personnel Person adequately advised or supervised by an electrically skilled person to enable him or her to perceive risks and to avoid hazards which electricity can create For the ...

Page 6: ... Introduction The APsystems Microinverter is used in utility interactive grid tied applications comprised of three key elements APsystems Microinverter APsystems Energy Communication Unit ECU APsystems Energy Monitor and Analysis EMA web based monitoring and analysis system Figure 1 ...

Page 7: ...Microinverter ensures top performance from the array by maximizing the performance of each channel individually within the array More reliable than centralized or string inverters The distributed APsystems Microinverter system ensures that no single point of system failure exists across the PV system APsystems Microinverters are designed to operate at full power at ambient outdoor temperatures of ...

Page 8: ...ing methods including accelerated life testing A 24 7 energy access through apps or web based portal facilitate remote diagnosis and maintenance The new QT2 is interactive with power grids through a feature referred to as RPC Reactive Power Control to better manage photovoltaic power spikes in the grid In addition it provides 96 5 peak efficiency with 20 less components compared to the last genera...

Page 9: ...talling or using an APsystems Microinverter please read all instructions and warnings in the technical documents and on the APsystems Microinverter system itself as well as on the PV array Be aware that installation of this equipment includes the risk of electric shock Do not touch any live parts in the system including the PV array when the system has been connected to the electrical grid Even if...

Page 10: ...s of the installation before connecting to the AC bus to be sure they match Wrong cabling can damage irreparably the microinverters such damage is not covered by the warranty Do NOT carry the microinverter by the AC cable This may cause the AC cable to partially or fully disconnect from the unit resulting in no or poor operation 4 3 3 Step 3 Attach the APsystems Microinverters to the Racking a Mar...

Page 11: ... 4 3 4 Step 4 Ground the system There re 2 ways to ground the QT2 series microinverters 1 By grounding washer attached After the microinverters and racking are reliably installed the microinverter s grounding washer can connect to the racking to ensure proper earthing 2 By grounding copper wire Fix the grounding copper wire by the grounding lug Figure 3 4 3 5 Step 5 Connect the APsystems microinve...

Page 12: ...ctors with Bus Cable T CONN Cap to protect the unused connectors Figure 6 4 3 6 Step 6 Install a Bus Cable End Cap at the end of AC bus cable A Wire stripping B Set the parts on the cable C Insert five wires into the core wires hole of the body D Insert seal and Clamp Finger into the body then tighten the nut torque 2 5 0 5N m Figure 7 PE N L3 L2 L1 Nut Claw Seal body Body ...

Page 13: ...t so pay careful attention to these lights when connecting the DC cables Double check to make sure all of the AC and DC wiring has been correctly installed Ensure that none of the AC and or DC wires are pinched or damaged Make sure that all of the junction boxes are properly closed Figure 9 Each PV panel must be carefully connected to the same channel Make sure to not split positive and negative D...

Page 14: ... the local regulation which are mandatory to connect to grid Leakage current breakers or AFCI GFCI breakers are not recommended to install 4 3 9 Step 9 AC Extension Cable Figure 11 When AC extension cable is needed users could connect the AC bus cable and AC extension cable in a junction box or use a pair of male female AC connectors that APsystems provides as optional accessory AC Extension Cable...

Page 15: ...lable in the last page appendix of this manual Use ECU_APP available in the EMA Manager to scan the serial numbers on the map when setting up the ECU see ECU instruction manual for more info 4 3 11 Step 11 Warning Notice A warning notice must be placed in such a way that anyone with access to live parts is warned in advance of the need to switch off these parts It is imperative to verify that the ...

Page 16: ...oducing power after approximately one minute of waiting time 3 Microinverter data will be available in the EMA Manager APP or in the EMA web portal Alternatively LED sequences could be an indicator of microinverters status see section 6 1 Once the ECU has been commissioned properly the APsystems Microinverters will start to send performance data to the ECU The time required for all of the Microinv...

Page 17: ... Unless the GFDI error has been cleared the LED will remain red and the ECU will keep reporting the fault Please contact your local APsystems Technical Support 6 2 ECU_APP APsystems ECU_APP available in the EMA Manager APP is the recommended tool to do on site troubleshooting When connecting the ECU_APP to the ECU hotspot please check ECU User Manual for more detailed information installer can che...

Page 18: ...chnical Support Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prior to disconnecting Always disconnect AC power before disconnecting the PV module wires from the APsystems Microinverter The APsystems Microinverter is powered by PV module DC power AFTER disconnecting the DC power when reconnecting the PV modules to the Microinverter be sure to ...

Page 19: ...he PV module DC wire connectors from the microinverter 4 Remove the Microinverter from the PV array racking B Install a replacement Microinverter to the rack Remember to observe the flashing green LED light as soon as the new Microinverter is plugged into the DC cables C Connect the AC cable of the replacement Microinverter to the AC bus D Close the branch circuit breaker and verify proper operati...

Page 20: ...of your PV module are compatible with the range allowed on APsystems Microinverter Please check the microinverter datasheet DC operating voltage range of the PV module must be within allowable input voltage range of the APsystems Microinverter The maximum open circuit voltage of the PV module must not exceed the specified maximum input voltage of the APsystems 2022 10 26 Rev1 2 ...

Page 21: ...ems Microinverter QT2 Installation manual 20 9 QT2 Wiring Diagram 9 1 Sample Wiring Diagram Figure 13 The neutral wire is not mandatory to be connected to grid Compatible with both Delta and Wye 3 phase grid ...

Page 22: ...r PV installation Each APsystems microinverter has two serial number labels Peel the one label and affix it to the respective location on the APsystems installation map Installation Map Template Installer PV module type Qty Sheet___of____ Owner Microinverter type Qty Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Row 1 Row 2 Row 3 Row 4 Row 5 Row6 Row 7 Row 8 Row 9 Row10 s N ...

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