Install and user manual
Contents
1. breaker Grid FF d Id 4 Pu panels PY panels data collection data collection Control signal Control signal Optical Isolation FPGA Control chip Grid data collection b4 APS ALTENERGY POWER SYSTEM INC 4 APS Micro inverter System Installation A PV system using APS Micro inverters is simple to install Each Micro inverter easily mounts on the PV racking directly beneath each PV module Low voltage DC wires connect from the PV module directly to the Micro inverter eliminating the risk of high DC voltage Installation shall comply with local regulations and technical rules WARNING Perform all electrical installations in accordance with local electrical codes WARNING Be aware that only qualified professionals should install and or replace APS Micro inverters WARNING Before installing or using an APS Micro inverter please read all instructions and warnings in the technical documents and on the APS Micro inverter system itself as well as on the PV array WARNING Be aware that installation of this equipment includes the risk of electric shock WARNING Do not touch any live parts in the system including the PV array when the system has been connected to the electrical grid Installation Kits from APS APS micro inverter installation kit includes following items e An AC interconnect cable e Protective end caps Required Parts and Tools from you In addition to your PV array and its associated hardware2. first disconnecting the AC power e Do NOT attempt to repair the APS Micro inverter If it fails contact APS Customer Support to obtain an RMA number and start the replacement process Damaging or opening the APS Micro inverter will void the warranty b 4 APS ALTENERGY POWER SYSTEM INC 2 APS Micro inverter System Introduction The APS Micro inverter is an inverter system for use in utility interactive applications comprised of three key elements e Altenergy Power Systems Micro inverter e Altenergy Power Systems Energy Communication Unit ECU e Altenergy Power Systems Energy Monitor and Analysis EMA web based monitoring and analysis system SUL n ED ai Micro inverter DL Heutral i I round _ _ Outlet a ewww Internet This integrated system improves safety maximizes solar energy harvest increases system reliability simplifies photovoltaic PV system design installation maintenance and management The APS Micro inverters maximize energy production from photovoltaic PV arrays Each PV module has individual Maximum Peak Power Tracking MPPT controls which ensures that the maximum power is exported to the utility grid regardless of the performance of the other PV modules in the array When PV modules in the array are affected by shading soiling orientation or mismatch the APS Micro inverter ensures top performance from the array by maximizing the performance of each modul
3. one of L1 L2 and L3 21 6 4 APs ALTENERGY POWER SYSTEM INC 9 3 Sample Wiring Diagram 480V Three Phase s et AC Distribution Panel IE MAM Internet Note The ECU functions properly when connected any one of Ll L2 and L3 22 l ni _ er al fece 5 ey a b4 APS ALTENERGY POWER SYSTEM INC 9 4 Installation Map Template 23
4. A SR Natural Convection Powerline lt UL Std 1741 CSA Std C22 2 compliance No 107 1 01 G Q O O gt D O O I V Q 0 V r D ct lt ci at un V t Programmable through ECU to meet customer need 18 b4 APS ALTENERGY POWER SYSTEM INC YC500A YC500I Technical Specifications YC500A YC5001 for 2 panels Input Data DC Recommended PV module power STC range 180W 280W Maximum input voltage Maximum input current Nominal output voltage Nominal output frequency Maximum units per branch Peak inverter efficiency 95 5 Storage temperature range Operating temperature range Ambient 40 C to 65 C Output frequency range Total Harmonic Distortion Dimensions VV x H x D 220mm X 160mm X 29mm Weight 2 5kg UL Std 1741 CSA Std C22 2 compliance No 107 1 01 Programmable through ECU to meet customer need JJ 5 CE Q DI ct D a O O un D G U S D oa Ivu Q OD O D 5 gt OM IE O13 o 10 D ed D Q un Lv r D rt lt O Lv un un 19 6 4 APs ALTENERGY POWER SYSTEM INC 9 Appendix 9 1 Sample Wiring Diagram Single Phase Micro inverter Si MAI Ag Internet EMA 20 0 4 APs ALTENERGY POWER SYSTEM INC 9 2 Sample Wiring Diagram 208V Three Phase F S BLACK L1 RED LI BLUE Ld WHITE NEUTRAL AG Distribution Panel Internet Note The ECU functions properly when connected any
5. Do NOT exceed the maximum number of Micro inverters in an AC branch circuit as displayed on the unit label Step 4 Ground the System NOTE If you already use grounding washers to ground the microinverter chassis to the PV module racking as described in step 4 skip this step Step 5 Connecting APS Micro inverters to the PV Module Photovoltaic panels and micro inverter DC input cable connection according to demand j vg APS ALTENERGY POWER SYSTEM INC WARNING Ensure that all AC and DC wiring is correct Ensure that none of the AC and DC wires are pinched or damaged Ensure that all junction boxes are properly closed NOTE Step 1 4 can change sequence for convenience of installation Step 6 Completing the APS Installation Map The APS Installation Map is a diagram of the physical location of each Micro inverter in your PV installation You can use the blank map in the Appendix to record Micro inverter placement for your system When your map is complete send itto APS as described below APS uses this information to provide you with detailed information about the performance of your PV system and to allow you to see a graphic representation of your PV system on APS s EMA web based monitoring and analysis system Feel free to provide your own layout if a larger or more intricate installation map is required a Each APS Micro inverter has a removable serial number label located Peel the label off and affix it to t
6. S Photovoltaic Grid connected Inverter Micro inverter To reduce the risk of electrical shock and ensure the safe installation and operation of the APS Micro inverter the following symbols appear throughout this document to indicate dangerous conditions and important safety instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for Models YC250A YC2501 YC500A YC5001 that shall be followed during installation and maintenance of the Photovoltaic Grid connected Inverter WARNING This indicates a situation where failure to follow instructions may cause a serious hardware failure or personnel danger if not applied appropriately Use extreme caution when performing this task NOTE This indicates information that is important for optimized Micro inverter operation Follow these instructions closely Safety Instructions e Only qualified professionals should install and or replace APS Micro inverters e Perform all electrical installations in accordance with local electrical codes e Before installing or using the APS Micro inverter please read all instructions and cautionary markings in the technical documents and on the APS Micro inverter system and the PV array e Be aware that the body of the APS Micro inverter is the heat sink and can reach a temperature of 80 C To reduce risk of burns do not touch the body of the Micro inverter e Do NOT disconnect the PV module from the APS Micro inverter without
7. b4 APS ALTENERGY POWER SYSTEM INC APS M1P Single phase Photovoltaic Grid connected Inverter Installation and User Manual Version 1 0 6 4 APs ALTENERGY POWER SYSTEM INC All rights reserved b4 APS Contact I nformation ALTENERGY POWER SYSTEM Inc 1 Yatai Road Jiaxing PR China 314050 Phone 86 21 68889199 Fax 86 21 33928752 www altenergy power com info altenergy power com ALTENERGY POWER SYSTEM INC b4 APS ALTENERGY POWER SYSTEM INC Table of Contents 1 IMPORTANT SAFETY INFORMATION uu acccc sec s e sene enen eneve nenen eee eee nese sene ee ee eneve men nene e eee vese reve emen 4 CRA GI 0 RR RAI 4 2 APS Micro inverter System Introduction tas een vaasinnhexsuwehecbenssnmegroesaetleensancenmmcaneekene 5 3 APS Single phase Micro inverter M1P series Introduction aaa aa aaaane na ae oonne eee even eee se vene vecse 7 4 APS Micro inverter System Installation eee eee e eee eee eee enen eee enen eee ee eee eee eee eee eee eee eee eee eee ee eee eee 9 Installation Kits from APS na ne 9 PCO Ire EI Sp II 9 TA OO Pre denen 10 Step 1 Installing the AC Branch Circuit Junction BOX i 10 Step 2 Attaching the APS Micro inverters to the Racking or the PV Module Frame 11 Step 3 Connecting the APS Micro inverter AC Cables ane eee eee eee eee eee eee nen eee eee ete eee ee eee eee eee 12 Step 4 Connec
8. e within the array The APS Micro inverter system is more reliable than centralized or string inverters The distributed Micro inverter system ensures that no single point of system failure exists across the PV system APS Micro inverters are designed to operate at full 5 b 4 APS ALTENERGY POWER SYSTEM INC power at ambient temperatures of up to 65 C The inverter housing is designed for outdoor installation and complies with the IP65 environmental enclosure rating PV systems using APS Micro inverters are very simple to install You can install individual PV modules in any combination of module quantity orientation type and power rate The Ground wire PE of the AC cable is connected to the chassis inside of the Micro inverter eliminating the installation of grounding wire The APS Micro inverter system provides smart system performance monitoring and analysis The APS Energy Communication Unit ECU is installed by simply plugging it into any wall outlet and providing an Ethernet or Wi Fi connection to a broadband router or modem After installing the ECU the full network of APS Micro inverters automatically reports to the APS Energy Monitor and Analysis EMA web server The EMA software displays performance trends informs you of abnormal events and controls system shutdown when it is needed vg APS ALTENERGY POWER SYSTEM INC 3 APS Single phase Micro inverter M1P series Introduction The APS MIP series Micro i
9. etween the AC branch circuit junction box and the point of utility interconnection 10 b4 APS ALTENERGY POWER SYSTEM INC Maximum external wiring distance meter a Module number in branch Step 2 Attaching the APS Micro inverters to the Racking or the PV Module Frame as fa au Pule a ie Te I sja o 6 a Mark the location of the Micro inverter on the rack with respect to the PV module Junction box or any other obstructions b Mount one Micro inverter at each of these locations using hardware recommended by your module racking vendor WARNING Prior to installing any of the micro inverters verify that the utility voltage at the point of common connection matches the voltage rating on micro inverter label VVARNI NG Do not mount the Micro inverter in a location that allovvs exposure to direct sunlight Allow a minimum of 1 5 centimeters between the top of the roof and the bottom of the Micro inverter Step 3 Connecting the APS Micro inverter AC Cables 11 b4 APS ALTENERGY POWER SYSTEM INC a Check the Micro inverter rating label for the maximum allovvable number of Micro inverters on one AC branch circuit b Plug the AC female connector of the first Micro inverter into the male connector of the next Micro inverter and so on to form a continuous AC branch circuit c Install a protective end cap on the open AC connector of the last Micro inverter in the AC branch circuit WARNING
10. he respective location on the APS installation map which is available in the Appendix section of this manual or on the APS website at www altenergy power com quickstart b Send the installation map to APS after completion c After APS creates a graphical view of your PV system on the EMA website use the EMA website to view detailed performance information for your PV system Please go to www altenergy power com for more information on APS s EMA web based monitoring and analysis system 13 b4 APS ALTENERGY POWER SYSTEM INC 5 APS micro inverter system operating instructions To operate the APS micro inverter PV system 1 Turn ON the AC circuit breaker on each micro inverter AC branch circuit 2 Turn ON the main utility grid AC circuit breaker Your system will start producing power after a two minute wait time Note once DC power is applied the Status LED of each micro inverter will blink green three times to indicate normal start up operation 3 The APS micro inverters will start to send performance data over power line to the ECU The time required for all the micro inverters in the system to report to the ECU will vary with the number of micro inverters in the system You can verify proper operation of the APS micro inverters via the ECU See the ECU Installation and Operation Manual for more information 6 Troubleshooting Qualified personnel can use the following troubleshooting steps if the PV system does n
11. ircuit breaker 2 Cover the module with an opaque cover 3 Disconnect the first AC connector in the branch circuit 4 Disconnect the PV module DC wire connectors from the micro inverter 5 Remove the micro inverter from the PV array racking 2 Install a replacement micro inverter to the rack 3 Connect the AC cable of the replacement micro inverter and the neighboring micro inverters to complete the branch circuit connections 4 Close the branch circuit breaker and verify operation of the replacement micro inverter 16 b4 APS ALTENERGY POWER SYSTEM INC 8 Technical Data WARNING Be sure to verify the voltage and current specifications of your PV module match with those of the micro inverter Refer to the APS website http www altenergy power com for a list of approved PV modules WARNING You must match the DC operating voltage range of the PV module with the allowable input voltage range of the APS micro inverter WARNING The maximum open circuit voltage of the PV module must not exceed the specified maximum input voltage of the APS micro inverter 17 b4 APS ALTENERGY POWER SYSTEM INC YC250A YC2501 Technical Specifications YC250AJYC2501 Input Data DC Recommended PV Module Power STC Range 180W 280W 55 9 87A 225W 0 937A 240V 59 3H2 60 5Hz gt 0 99 Maximum units per branch 22 40 C to 85 C Operating temperature range Ambient 40 C to 65 C 160mmX 150mmX 29mm 1 5kg NEM
12. nverters connect with the single phase grid and operate with most 60 and 72 cell PV modules For more information please see the section 8 Technical Date of this manual Model Number AC grid PV Module Module Connector YC250A 60Hz 240V 60 72 Cell MC 4 Type or Customize YC250l1 60Hz 240V 60 72 Cell MC 4 Type or Customize YC500A 60Hz 240V 60 72 Cell MC 4 Type or Customize YC5001 60Hz 240V 60 72 Cell MC 4 Type or Customize Max units per branch of YC250A YC2501 Maximum parallel combination of modules 21 per branch for 25 A breaker Maximum parallel combination of modules 17 per branch for 20 A breaker Max units per branch of YC500A YC5001 Maximum parallel combination of modules 10 per branch for 25 A breaker Maximum parallel combination of modules 8 per branch for 20 A breaker b4 APs ALTENERGY POWER SYSTEM INC The following figure shows the APS YC250A YC250I micro inverter schematic q Ri f PI panels iz 7 f f ARE n t Hi E E c PY panes a data collection Control signal Control signal FRSA Control chip l tend cata collection APS YC500A YC500I has two independent DC inputs with independent MPPT control and date monitoring The following figure shows the APS YC500A YC500I micro inverter schematic DC io OC if F I Py panels U a pif a Control signal UCG to DL DE to AL EMI AA fitenng i TIEA IE HHH ee PY panels iF F 42 AC EFFE Ra
13. ot operate correctly Status Indications and Error Reporting Startup LED When DC power is first applied to the micro inverter e Three short green blinks when DC power is first applied to the micro inverter indicate a successful micro inverter startup Operation LED Flashing Slow Green 10s gap Producing power and communicating with ECU Flashing Fast Green 2s gap Producing power and not communicating with ECU Flashing Red Not producing power Other Faults All other faults are reported to the ECU Refer to the ECU Installation and Operation Manual for a list of additional faults and troubleshooting procedures WARNING Be aware that only qualified personnel should troubleshoot the APS micro inverter 14 p 4 APS ALTENERGY POWER SYSTEM INC VVARNI NG Never disconnect the DC vvire connectors under load Ensure that no current is flovving in the DC vvires prior to disconnecting An opaque covering may be used to cover the module prior to disconnecting the module WARNING Always disconnect AC power before disconnecting the PV module wires from the APS micro inverter The AC connector of the first micro inverter in a branch circuit is suitable as a disconnecting means once the AC branch circuit breaker in the load center has been opened WARNING The APS micro inverter is powered by PV module DC power Make sure you disconnect and reconnect the DC connections to watch for the three short LED flashes Troublesho
14. oting a non operating APS micro inverter To troubleshoot a non operating APS micro inverter follow the steps below in order 1 Verify the utility voltage and frequency are within ranges shown in the in section 8 Technical Data of this manual 2 Check the connection to the utility grid Verify utility power is present at the inverter in question by removing AC then DC power Never disconnect the DC wires while the micro inverter is producing power Re connect the DC module connectors and watch for three short LED flashes 3 Check the AC branch circuit interconnection between all the micro inverters Verify each inverter is energized by the utility grid as described in the previous step Make sure that any AC breaker are functioning properly and are closed Check the DC connections between the micro inverter and the PV module 6 Verify the PV module DC voltage is within the allowable range shown in the Section 8 Technical Data of this manual 7 If the problem persists please call APS Energy customer support troubleshooting methods fail please return the micro inverter to your 1 WARNI NG Do not attempt to repair the APS micro inverter If distributor for replacement 15 b4 APS ALTENERGY POWER SYSTEM INC 7 Replace a micro inverter Follow the procedure to replace a failed APS micro inverter 1 Disconnecting the APS micro inverter from the PV Module in the order shown below 1 Disconnect the AC by opening the branch c
15. ting APS Micro inverters to the PV Module nnnnn enen enen eee eee eee eee eee eee eee 12 See UE ee sie ee ee 12 Step 6 Completing the APS Installation Map nenen nene eee eee eee eee eee nene nene nete tere teren eee eee 13 APS micro inverter system operating instructions ka aaaaaaaaaaaa aa eee eee eee ee nenen ene nenen e tete eee ee tete eee eee eee eee nene eter eee 14 6 TTOHDI6 Foo e ernennt 14 e I TE e i 14 DATON s D eee TI 14 Oo 14 Troubleshooting a Non operating APS Micro inverter eee eee eee eee nene nenet e tete te teze eee eee eee eventet eee 15 I Replacing MACHO meter ne 15 Fer Bea IATA TT RR TT AT 17 YC250A Y C2501 Technical Specifications sent tennis andine sehen 14 XC500A Y C2500 Technical Sp th 19 SE e 20 9 1 Sample Wiring Diagram Single Phase anen e eee eee eee eee eee eee eee nene ne tete tete vere eee eee eee eee eee tere 20 9 2 Sample Wiring Diagram 208 V Three Phase aaa eee eee eee nenen eee eee eee ee rete vezeve eee nene eee eee eee te 21 9 3 Sample Wiring Diagram 480V Three Phase aaa eee eee enen enen eee nete tezet ever eee eee nene nese rete 22 9 4 Ins alla on Map I 010 RR Re RE 25 b4 APS ALTENERGY POWER SYSTEM INC 1 IMPORTANT SAFETY INSTRUCTIONS This manual contains important instructions to follow during installation and maintenance of the AP
16. you need to provide the following e An AC connection junction box e Mounting hardware suitable for module racking e Sockets and wrenches for mounting hardware e Continuous grounding conductor and grounding washers e A Phillips screwdriver e A torque wrench b4 APS ALTENERGY POWER SYSTEM INC Installation Procedures Installing the APS Micro inverter System involves 6 key steps 1 Installing the AC branch circuit junction box Attaching the APS Micro inverters to the racking or the PV module frame Connecting the APS Micro inverter AC cables Connect the Micro inverters to the PV modules Ground the System Completing the APS installation map oe a di WARNING Do NOT connect APS Micro inverters to the utility grid or energize the AC circuit until you have completed all of the installation procedures as described in the following sections For bracket installation after the completion of system installation rendering as follows mi po Ss oe T i a Install an appropriate junction box at a suitable location on the PV racking system typically at the end of a branch of modules b Connect the open wire end of the AC interconnect cables into the junction box using an appropriate gland or strain relief fitting c Wire the conductors L RED N BLACK PE WHITE Connect the AC branch circuit junction box to the point of utility interconnection NOTE Be sure to size the AC wire to account for voltage drop b
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