APS M1P-EU Grid-connected Micro-inverter Installation and User
Contents
1. The inverter YC250 s DC input positive pole connect to earthed enclosure inside the enclosure The inverter YC500 s DC input negative pole connect to earthed enclosure inside the enclosure 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 5 can change sequence for convenience of installation Step 6 Completing the APS Installation Map You need to fill in APS Warranty Cards which provide system information and installation map Feel free to provide your own layout if a larger or more intricate installation map is required a Each APS Micro inverter has removable serial number labels Peel a label off and affix it to the respective location on the APS installation map b Fill the warranty cards and email to APS at emasupport altenergy power com c APS will setup the EMA account and email you information and then you can use the EMA website to view detailed performance of your PV system Step 7 Placing a Warning Notice A warning notice shall be placed in such a position that any person gaining access to live parts will be warned in advance of the need to isolate those live parts from all points of 14 59 APS supply Special attention should be paid that the powe2. 7 23 11 1 Sample Wiring Diagram Single 23 11 2 Sample Wiring Diagram Three 41 2 810 0 3 0 4 04 44000000000000000000000000000000000000000000000 24 59 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 connected 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 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 Symbols replace words on the equipment on a display or in manuals 5 APS Trademark Caution risk of electric shock Caution hot surface Symbol for the marking of electrical and electronics devices according to Directive 2002 96 EC Indicates that the device accessories and the packaging must not be disposed as unsorted municipal waste and must be
3. 7 for 20A Breaker 9 for 25A Breaker Type YC500 EU for 2 panels Input Data DC Recommended PV Module Power STC Range 180 310W MPPT Voltage Range 22 45VDC MPPT Voltage Range Full Power 26 45VDC Maximum Input Voltage 55VDC Startup Voltage 22V Maximum Input Current 10 5 2 Maximum DC Short Circuit Current 15A Output Data AC Maximum Continuous Power 500W Maximum Continuous Current 2 17A Rated Grid Voltage 230VAC Default Output Voltage Range 200 270 for Denmark Extended Output Voltage Range 149 278VAC Rated Grid Frequency 50Hz Default Output Frequency Range 47 5 50 5Hz for Denmark Extended Output Frequency Range 45 1 54 9Hz Power Factor 20 99 otal Harmonic Distortion 396 Maximum Units per Branch Efficiency Max Inverter Efficiency 95 596 with HF Transformer Mechanical Data Operating Ambient Temperature 40 to 65 Operating Internal Temperature 40 C to 859 Storage Temperature Range 40 C to 859 Dimensions W x H x D 221mm X 167mm X 29mm Weight 2 5kg Waterproof Level IP65 Cooling Natural Convection Wet Locations Classification For wet locations Pollution Degree Classification PD3 Relative Humidity Ratings 0 95 All data at this technical Specifications has been Maximum Altitude Rating tested under lt 2000m Overvoltage Category O
4. ol op S 5 S s 6 as 100 Pout 500W lt lt YC500 EU Efficiency Curves YC500 50Hz 230V Vin 24V Vin 32V Vin 40V EX gt E i 2 hr S 55 59 S 5 8 E s 6 Se S os FON 100 Pout 500W 59 APS 10 Technical Data ALTENERGY POWER SYSTEM INC 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 20 59 APS YC250 EU Technical Specifications ALTENERGY POWER SYSTEM INC Type YC250 EU Input Data DC Recommended PV Module Power STC Range 180 310W MPPT Voltage Range 22 45VDC MPPT Voltage Range Full Power 26 45VDC Maximum Input Voltage 55VDC Startup Voltage 22V Maximum Input Current 10 5A Maximum DC Short Circuit Current 15A Output Data AC Maximum Continuous Power 250W Maximum Continuous Current 1 08A Rated Grid Voltage 2
5. 59 APS The following figure shows the APS YC250 micro inverter schematic ALTENERGY POWER SYSTEM INC filtering PY panels FF ut s 77 breaker Jj eu 2 paneis gata collection Control signal Control signal FPGA Control chip Gnd cata collection APS YC500 has two independent DC inputs with independent MPPT control and data monitoring The following figure shows the APS YC500 micro inverter schematic DC to DC DC to DC EMI 3 fiterng M PY panels 777 HH panels data collection PY panels data collection Control signal Control signal Optical isolation FPGA Control chip Grid data collection 59 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 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 technic
6. Neutral Ground Internet EMA 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 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 59 APS 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 ALTENERGY POWER SYSTEM INC The APS Micro inverter system provides smart system performance monitoring and analysis T
7. collected separately at the end of the usage Please follow Local Ordinances or Regulations for disposal or contact an authorized representative of the manufacturer for information concerning 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 La b 4 APS e ALTENERGY POWER SYSTEM INC 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 purpose of the safety information of this Qualified manual a qualified person is someone who is familiar with personnel requirements for safety refrigeration system and EMC and is authorized to energize ground and tag equipment systems and circuits in accordance with established safety procedures The inverter and endues system may only be commissioned and operated by qualified personnel Safety Instructions Only qualified professionals should install and or replace APS Micro inverters Perform all electrical installations in accordance with local electrical codes 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 Be aware that the body of the A
8. 30VAC Default Output Voltage Range 200 270VAC for Denmark Extended Output Voltage Range 149 278VAC Rated Grid Frequency 50Hz Default Output Frequency Range 47 5 50 5Hz for Denmark Extended Output Frequency Range 45 1 54 9Hz Power Factor gt 0 99 Total Harmonic Distortion lt 3 Maximum Units per Branch 14 for 20A Breaker 18 for 25A Breaker Efficiency Max Inverter Efficiency 95 5 With HF Transformer Mechanical Data Operating Ambient Temperature 40 C to 65 C Operating Internal Temperature 40 C to 85 C Storage Temperature Range 40 C to 85 C Dimensions W x H x D 160 150 29mm Weight 1 5kg Waterproof Level IP65 Cooling Natural Convection Wet Locations Classification For Wet Locations Pollution Degree Classification Relative Humidity Ratings 0 95 All data at this technical Specifications Maximum Altitude Rating has been tested under lt 2000m Overvoltage Category OVC II for PV input circuit OVC III for mains circuit Features amp Compliance Communication Power Line Design Lifetime 25yrs Grid Connection Compliance EN 50438 Safety Class Compliance EN 62109 1 EN 62109 2 Programmable through ECU to meet customer need The specifications are subject to change without notice 21 59 APS 500 EU Technical Specifications ALTENERGY POWER SYSTEM INC
9. 59 APS ALTENERGY POWER SYSTEM INC APS M1P EU Grid connected Micro inverter Installation and User Manual Version 1 2 4 APs ALTENERGY POWER SYSTEM INC All rights reserved 59 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 59 APS ALTENERGY POWER SYSTEM INC Table of Contents 1 Important safety information inne re n ERU HA FEL vigi 4 Symbols replace words the equipment on a display or in manuals 4 Safety ESI ces Giada erento 5 2 APS Micro inverter System Introduction eccssesseseeeeeeseeseeseeseeseesececeeseceeesseeaeeaecaeeaeseeseaseeeeaeeaeeaeeaeeaees 5 3 APS Micro inverter series Introduction 8 4 APS Micro inverter System Installation eese enne enne nennen nennen 10 Additional Installation Components from APS enne 10 Required Parts and Tools 10 Installation _ 11 Step 1 Installing the AC Branch Circuit Junction Box nennen enne 11 Step 2 Attaching the APS Micro inverters to the Racking or the PV Module 12 Step 3 Connecti
10. ETHERNET CONNECTION TO BROADBAND ROUTER _ AAPS ECU THREE PHASE ENERGY GROUND NEUTRAL COMMUNICATION UNIT DISTRIBUTION PANEL THREE PHASE 24
11. PS 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 2 gap Producing power and not communicating with ECU Flashing Red Not producing power GFDI Error A solid red LED indicates the micro inverter has detected a ground fault GFDI error in the PV system Unless the GFDI error has been cleared the LED will remain red and the ECU will keep reporting the fault After the ground fault error is fixed follow the instructions in the ECU Installation and Operation Manual to clear this GFDI error reporting 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 59 APS ALTENERGY POWER SYSTEM INC WARNING Be aware that only qualified personnel should troubleshoot the APS micro inverter WARNING Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prio
12. PS Micro inverter is the heat sink and can reach a temperature of 80 To reduce risk of burns do not touch the body of the Micro inverter Do NOT disconnect the PV module from the APS Micro inverter without first disconnecting the AC power 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 Caution The external protective earthing conductor is connected to the inverter protective earthing terminal through AC connector When connecting connect the AC connector first to ensure the inverter earthing then do the DC connections When disconnecting disconnect the AC by opening the branch circuit breaker first but maintain the protective earthing conductor in the branch circuit breaker connect to the inverter then disconnect the DC inputs In any circumstance do not connect DC input when AC connector is unplugged 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 b APS amp ALTENERGY POWER SYSTEM INC 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 PV Distribution Box Module
13. VC II for PV input circuit OVC III for mains circuit Features amp Compliance Communication Power Line Design Lifetime 25yrs Grid Connection Compliance EN 50438 Safety Class Compliance EN 62109 1 EN 62109 2 Programmable through ECU to meet customer need The specifications are subject to change without notice 22 ALTENERGY POWER SYSTEM INC 64 APS iring 11 11 1 Sample Wiring Diagram Single Phase SOLAR PANEL APS YC500 EU BRANCH END CAP INSTALLED ON THE UP TO 9 YC500 PER OPEN AC CONNECTOR BRANCH CIRCUIT GREY NEUTRAL GREEN GROUND ETHERNET CONNECTION TO BROADBAND ROUTER 230 VAC POWER CABLE AC BRANCH END CABLE BROWN L LIGHT BLUE NEUTRAL YELLOW GREEN GROUND AC JUNCTION BOX ENERGY COMMUNICATION UNIT DISTRIBUTION PANEL SINGLE PHASE TO METER OR AC DISTRIBUTION PANEL 25 AMP CIRCUIT BREAKER PER BRANCH CIRCUIT 23 ALTENERGY POWER SYSTEM INC APS 11 2 Sample Wiring Diagram Three Phase SOLAR PANEL AC BRANCH END CABLE BROWN L LIGHT BLUE NEUTRAL YELLOW GREEN GROUND AC JUNCTION BOX Son m TO METER ORAC DISTRIBUTION PANEL if APS YC500 EU BRANCH END CAP ORANGE 1 ON THE a d E den BLUE L2 25 AMP CIRCUIT OPEN AC CONNECTOR PURPLE L3 BREAKER PER GREY NEUTRAL BRANCH CIRCUIT GREEN GROUND
14. al 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 Additional Installation Components from APS Protective branch end cap sold separately 1 per branch AC branch end cable sold separately 1 per branch Required Parts and Tools from you In addition to your PV array and its associated hardware you need to provide the following An AC connection junction box Mounting hardware suitable for module racking Sockets and wrenches for mounting hardware Continuous grounding conductor and grounding washers A Phillips screwdriver A torque wrench 59 APS Installation Procedures ALTENERGY POWER SYSTEM INC 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 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 branch end cable into the junction box using an app
15. he 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 59 APS ALTENERGY POWER SYSTEM INC 3 APS Micro inverter M1P series Introduction The APS M1P series Micro inverters connect with the single phase grid and operate with most 60 72 cell PV modules For more information please see the section 8 Technical Date of this manual Model AC grid PV Module Module Connector Number Per branch 14 for 20A MC 4 Type or Customize YC250A 50 7 230 60 72 breaker 14 for 20 4 or Customize 2501 50Hz 230V 60 72 Cell breaker 7 for 20A MC 4 Type or Customize YC500A 50Hz 230V 60 72 Cell breaker 7 for 20A MC 4 T Customi YC5001 50Hz 230V 60 72 Cell or ia breaker 18 for 25A MC 4 Type or Customize YC250A 50Hz 230V 60 72 Cell breaker 18 for 25A 4 or Customize 2501 50Hz 230V 60 72 Cell breaker 9 for 25A MC 4 Type or Customize YC500A 50Hz 230V 60 72 Cell breaker 9 for 25A 4 Customi 5001 50Hz 230V 60 72 Cell 9
16. ng the APS Micro inverter AC 13 Step 4 Ground the Systemer arn 13 Step 5 Connecting APS Micro inverters to the PV Module 14 Step 6 Completing the APS Installation Map 0 ccccescesscesseesseeseeeseceseeneeceeeseeeseenaeceseenseceeeseeeseenseenseenes 14 Placing a Warning Notice ME 14 5 APS micro inverter system operating instructions 16 6 10 or 16 Statussindicationsyandibrror Reporting eee 16 omen serrer ER 16 16 RES pae MM 16 Doo 17 Lo __ 18 9 Sy CURVES 19 10 Trevir DENE _ 20 11 DOET
17. om of the Micro inverter 59 APS Step 3 Connecting the APS Micro inverter AC Cables 20 __ 6 7 ALTENERGY POWER SYSTEM INC ap a Check the Micro inverter rating label for the maximum allowable number of Micro inverters on one AC branch circuit 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 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 micro inverter chassis to the PV module racking as described in step 4 skip this step 59 APS Step 5 Connecting APS Micro inverters to the PV Module Photovoltaic panels and micro inverter DC input cable connection according to demand ALTENERGY POWER SYSTEM INC
18. r supply measuring circuits sense lines and other parts may not be isolated from the network when the switch of the interface protection is open As a minimum warning labels shall be placed On the switchboard DNO panel and consumer unit that has the micro generator connected to it On all switchboards in between the consumer unit the micro generator itself On or in the micro generator itself At all points of isolation for the micro generator ALTENERGY POWER SYSTEM INC Do not work on this equipment until it is isolated from both mains and on site generation supplies Isolate on site generator at___ PV connector Isolate mains supply at AC connector 59 APS 5 APS micro inverter system operating instructions ALTENERGY POWER SYSTEM INC 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 waiting 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 A
19. r 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 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 4 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 allo
20. ropriate gland or strain relief fitting Wire the conductors L BROWN LIGHT BLUE 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 Refer to the tables below 11 59 APs ALTENERGY POWER SYSTEM INC a 189 amp aE BE External Wire mn size mm2 el 6 8 DIT yesonumberinabranch 1 6 8 10 22 34 16 18 External Wire TM URS size mm2 s BE 0 Step 2 Attaching the APS Micro inverters to the Racking or the PV Module Frame AO 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 ofthe 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 bott
21. wable range shown in the Section 8 Technical Data of this manual 7 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 7 Maintenance No need to Maintenance 4 APS e ALTENERGY POWER SYSTEM INC 8 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 but maintain the protective earthing conductor in the branch circuit breaker connect to the inverter 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 59 APs ALTENERGY POWER SYSTEM INC 9 Efficiency Curves YC500 EU Efficiency temperature Curves YC500 Eff with Ambient Temp 10 15TC Efficiency 65
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