APS M1P Single-phase Micro-inverter Installation and User Manual
Contents
1. 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 ts 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 6 4 APs ALTENERGY POWER SYSTEM INC 3 APS Single phase Micro inverter M1P series Introduction The APS M1P series Micro inverters 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 Max PV Module Module Connector Number Per branch YC250 SAA 50Hz 230V 60 72 Cell MC 4 Type or Customize YC500 SAA 50Hz 230V 60 72 Cell MC 4 Type or Customize 6 4 APs ALTENERGY POWER SYSTEM INC The following figure shows the APS YC250 micro inverter schematic TRID TAM PY2. 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 Verify the PV module DC voltage is within the allowable range shown in the Section 8 Technical Data of this manual If the problem persists please call APS Energy customer support WARNING Do not attempt to repair the APS micro inverter If troubleshooting methods fail please return the micro inverter to your distributor for replacement 15 6 4 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 circuit 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 6 4 APs ALTENERGY POWER SYSTEM INC 8 T
3. mm Pr en ht r ge ee nina ee ne ee dadi Tini sn en ur Bei hee RE ee m m y Cal A E or ae re FS O a ana Me eno ili mine Mer calar e urine ee mean PR ge N en de as Ae Opa e a a a sur a A cm ee ari m ei EEE ce opt _ _ _ a n zio e rn sere u cn Er m m i Ser eee oa RIE gra a e ima pet pere __ RE rt cm en uU L SS a mug ar Di a e eh k A Fonte a Joint distribution box 10 6 4 APs ALTENERGY POWER SYSTEM INC Step 1 Installing the AC Branch Circuit Junction Box a 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 Connectthe 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 YELLOW GREEN d 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 between the AC branch circuit junction box and the point of utility interconnection Maximum external wiring distance meter Pa e Step 2 Attaching the APS Micro inverters to the Racking or the PV Module Frame S b 4 APS ALTENERGY POWER SYSTEM INC a Mark the location of the Micro inverter on the rack with respect to the PV module junction box or any other
4. panels man AC E r ALL 3 breaker LEE LF PY panels data collection Control signal Control signal FPGA Control chi i Grid data collection APS YC500 has two independent DC inputs with independent MPPT control and date monitoring The following figure shows the APS YC500 micro inverter schematic DC to DC A Ri Fit 3 DC to DC EMI filtering AC breaker E Grid Control signal Control signal FP panels data collection PY panels data collection Optical isolation ES FPGA Control chip Grid data collection 6 4 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 Installation shall comply with the relevant instructions of AS 4777 1 amp AS 3000 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 WAR
5. 6 4 APs ALTENERGY POWER SYSTEM INC APS M1P Single phase Micro inverter Installation and User Manual Version 1 0 gt 4 APs ALTENERGY POWER SYSTEM INC All rights reserved 6 4 APs Contact Information 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 6 4 APs ALTENERGY POWER SYSTEM INC Table of Contents 1 Important Safety Information Error Bookmark not defined Safety Instructions une Error Bookmark not defined 2 APS Micro inverter System Introduction Error Bookmark not defined 3 APS Single phase Micro inverter M1P series Introduction Error Bookmark not defined 4 APS Micro inverter System Installation Error Bookmark not defined Installation Rate from APPS 9 EEE RR ee ren 9 Installation Procedures een Error Bookmark not defined Step 1 Installing the AC Branch Circuit Junction BOX 11 Step 2 Attaching the APS Micro inverters to the Racking or the PV Module FrameError Bookmark not defined Step 3 Connecting the APS Micro inverter AC Cables 13 Step 4 Connecting APS Micro inverters to the PV Module 12 Step 5 Completing the APS Installation Map Error
6. Bookmark not defined APS micro inverter system operating instructions i Error Bookmark not defined 0 Rebellion Error Bookmark not defined Startup ER DD ee re ee 14 3 2 01110 8 3 2 D JERMURUDEREPEUFEEREEPERRERERFPRRENTEUIERERENUHPERERFREREREPEULTERSPEUEREEEUELRERPERRELLTELTUEROERNERERRTEURTERERERLERUETRUEERRLPERREENER 14 ODE Falle seen AC Error Bookmark not defined Troubleshooting a Non operating APS Micro inverter Error Bookmark not defined T ReplacinS a Micro Inve sasessss oO ni 15 Technical Data sacacaseccccoa sondeeoaessecncataustcanene ssadeauesacanseanoaasaueseaaeseasoadtauebonans cance Error Bookmark not defined YC250 SAA Technical Specifications sn een 14 YC500 SAA Technical Specht 0 a an 19 D E RR ee ee 20 9 1 Sample Wiring Diagram Single Phase i 20 9 2 Sample Wiring Diagram Three Phase een Error Bookmark not defined 9 3 Installation Map Template Error Bookmark not defined 6 4 APs ALTENERGY POWER SYSTEM INC 1 Important Safety Information This manual contains important instructions to follow during installation and maintenance of the APS Photovoltaic Grid connection 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 indic
7. NING 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 hardware 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 6 4 APs ALTENERGY POWER SYSTEM INC Installation Procedures Installing the APS Micro inverter System involves 5 key steps 1 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 Installing the AC branch circuit junction box Completing the APS installation map de Y 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 1445 te i cam ya e n ee er a lala an eS EF spp or te
8. a list of additional faults and troubleshooting procedures WARNING Be aware that only qualified personnel should troubleshoot the APS micro inverter 14 6 4 APs ALTENERGY POWER SYSTEM INC WARNING Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires 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 Troubleshooting 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 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 Check the AC branch circuit interconnection
9. ate dangerous conditions and important safety instructions 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 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 6 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 thr
10. echnical 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 6 4 APS ALTENERGY POWER SYSTEM INC YC250 SAA Technical Specifications Type YC250 SAA Input Data DC Recommended PV Module Power STC Range 180W 280W MPPT Voltage Range 22V 45V Maximum Input Voltage O1 D O Maximum Input Current Output Data AC Maximum Output Power 250W 1 09A 230V 187V 242V 50Hz 49 5Hz 50 2Hz gt 0 99 lt 3 Maximum Output Current Nominal Output Voltage Output Voltage Range Output Frequency Range Power Factor N NO Maximum units per branch Efficiency Peak inverter efficiency 95 0 Mechanical Data 40 C to 85 C Storage temperature range Operating temperature range Ambient 40 C to 65 C 160mmx 150mmxX 29mm 1 5kg IP65 Natural Convection Dimensions W x H x D Weight Enclosure Rating Cooling Features amp Compliance Communication Powerline 25yrs AS4777 2 2005 AS4777 3 2005 AS NZS 3100 2009 Programmable through ECU to meet customer n
11. ed or damaged Ensure that all junction boxes are properly closed NOTE Step 1 4 can change sequence for convenience of installation Step 5 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 it to 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 the 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 6 4 APs ALTENERGY POWER SYSTEM INC 5 APS micro inverter system o
12. ee 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 Distribution Box 7 PV Module CA LO f Neutra Ground 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 5 6 4 APs ALTENERGY POWER SYSTEM INC performance from the array by maximizing the performance of each module 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 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
13. eed Design lifetime NIO O z ma er O lt lo o 5 O D gt on Oo nla ct Q o 5 zap Lilo o 3 gt oO o O D 18 b4 APS ALTENERGY POWER SYSTEM INC YC500 SAA Technical Specifications YC500 SAA 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 TEE TE E Operating temperature range Ambient 40 C to 65 C Dimensions W x H x D Weight Cooling Grid connection compliance Safety class compliance Total Harmonic Distortion 19 6 4 APs ALTENERGY POWER SYSTEM INC 9 Appendix 9 1 Sample Wiring Diagram Single Phase YC250 Up to 22 units YC500 Up to 11 units Micro inverter Distribution Neutral Ground Internet 6 4 APS ALTENERGY POWER SYSTEM INC 9 2 Sample Wiring Diagram Three Phase Three phase Three phase distribution box breaker a B C N Neutral Internet EMA Note The ECU will also function properly when connected to phase B or phase C 21 6 4 APS ALTENERGY POWER SYSTEM INC 9 3 Installation Map Template 22
14. 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 WARNING Do not mount the Micro inverter in a location that allows 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 a Check the Micro inverter rating label for the maximum allowable 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 Se pa Z WARNING Do NOT exceed the maximum number of Micro inverters in an AC branch circuit as displayed on the unit label 12 6 4 APS ALTENERGY POWER SYSTEM INC Step 4 Connecting APS Micro inverters to the PV Module Photovoltaic panels and micro inverter DC input cable connection according to demand ng NY fa Ari 5 re COLF oe uii u x Felt ee j Pr in Jokes WARNING Ensure that all AC and DC wiring is correct Ensure that none of the AC and DC wires are pinch
15. perating 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 not 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
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