Installation/User Manual
Contents
1. 1 HOV IH HO TEE MM L1 qas EE EEE TANWd EEE ECT ITE avios HHHH anavo EEE EEE EEE CURE BE Sample Wiring Diagram 120V 240V Split Phase Y 0 gt c e 21 APS YC500 A Installation User Manual ENNN Sample Wiring Diagram 120V 208V Three Phase 25 AMP CIRCUIT RREAKER PER BRANCH CIRCUIT DISTRIBUTION PANEL 120V 208V THREE PHASE AC BRANCH END CABLE JUNCTION BOX GREEN GROUND APS e THREE PHASE ENERGY COMMUNICATION UNIT UP TO 8 YC500 PER BRANCH CIRCUIT ETHERNET CONNECTION TO BROADBAND ROUTER Figure 12 PEN AC CONNECTOR i BRANCH END INSTALLED ON THE CEERD EEE Bi HE BH TUE NOTE The ECU should function properly when connected to L1 L2 or L3 APS YC500 A Installation User Manual 222. 17 Technical Data oreet iiti ette nitent Draenor 18 19 Efficency C UFVeS sooo 20 Wiring Dogs ttt EE Eton ye miens 21 e Sample Wiring Diagram 120V 240V Split Phase 21 e Sample Wiring Diagram 120V 208V Three Phase 22 APS YC500 A Installation User Manual 11 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions to follow during installation and maintenance of the APS Photovoltaic Grid connected Inverter Microinverter To reduce the risk of electrical shock and ensure the safe installation and operation of the APS Microinverter 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 WARNING SYMBOL NOTE This indicates information that 1s important for optimized Microinverter operation Follow these instructions closely NOTE SYMBOL SAFETY INSTRUCTIONS v Do NOT disconnect the PV module from the APS Microinverter without first disconnecting the AC power Only qualified professionals should install and or replace APS Microinverters Y Perform all electrical installations in accordance with local electrical codes Before installing or using the APS Microinverter please read a
3. um um um um xm EM EM EM UN i NND i I 1 aoa 1 Control 1 B DC to DC Jum DC to AC EMMI AC 1 signal 3 l filtering breaker um m H li 1 I pe PV i modules 3 1 i i i H pog 1 i T PV i H modules 1 PV Control Control data modules signal signal collections ata 1 collection EM H a Optical isolation a T T Figure 2 APS YC500 A Installation User Manual 5 APS Microinverter System Installation A PV system using APS Microinverters is simple to install Each Microinverter easily mounts on the PV racking directly beneath the PV module s Low voltage DC wires connect from the PV module directly to the Microinverter eliminating the risk of high DC voltage Installation MUST 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 Microinverters WARNING Before installing or using an APS Microinverter please read all instructions and warnings in the technical documents and on the APS Microinverter 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 to
4. 208V 33 4A 240V 54 8A Maximum Output Fault Current RMS 208V 2 79A 240V 4 85A Maximum Output Fault Current Duration 208V 1 875ms 240V 1 659ms Reactive Current Nominal Output Voltage Range 240V 240V 211V 264V Nominal Output Voltage Range 208V 208V 183V 229V Nominal Output Frequency Range 60Hz 59 3 60 5Hz Power Factor 20 99 Total Harmonic Distortion 596 Maximum Units Per Branch 7 per 20A 240V 6 per 20A o 208V EFFICIENCY Peak Efficiency 95 596 CEC Weighted Efficiency 9596 Nominal MPP Tracking Efficiency 99 596 MECHANICAL DATA Storage Temperature Range 40 F to 165 4 to 65 Operating Temperature Range Ambient 40 F to 149 F 40 C to 65 C Operating Temperature Range Internal 40 tI85 F 40 C 65 Dimensions WxHxD inches 8 75 x 6 5 x 1 7 Dimensions WxHxD mm 221mm x 167mm x 29mm Weight 5 5 lbs 2 5kg Enclosure Rating NEMA 4X Cooling Natural Convection No Fans UL 1741 CSA 22 2 No 1071 01 NEC2014 690 12 FEATURES amp COMPLIANCE Communication Power line PLC Warranty 10 years standard extendable to 25 years Emissions amp Immunity Compliance FCC PART 15 ANSI C63 4 2003 ICES 003 Safety Class Compliance UL 1741 CSA C222 No 1071 01 NEC2014 690 12 Grid Connection Compliance IEEE 547 Programmable customer and utility requirements Specifications subject to change without notice please ensure you are using the All settings
5. Be sure that all junction boxes are properly closed Step 4 Ground the System NOTE If you already use grounding washers WEEB to ground the Microinverter chassis to the PV module racking as described in Step 2C skip this step Figure 7 Each APS Microinverter comes with a ground clamp that can accommodate a single 6 awg strand and 4 awg solid conductor Check your local electrical code for grounding conductor sizing requirements Connect the grounding electrode conductor to the microinverter ground clamp NOTE The AC output neutral is not bonded to ground inside the microinverter APS YC500 A Installation User Manual 10 BE Step 5 Connecting the APS Microinverter to the PV Module 8 r Figure 8 Check the Microinverter datasheet for the maximum allowable number of Microinverters on one AC branch circuit B Install a protective end cap on the open AC connector of the last Microinverter in the AC branch circuit C Plug the AC female connector of the last Microinverter into the male connector of the next Microinverter and so on to form a continuous AC branch circuit Figure 9 WARNING Do NOT exceed the ma
6. UL approved most recent update found at www APSamerica com CEC registered as Altenergy Power System Inc 1015 Hostmark St Suite 104 Poulsbo WA 98370 844 666 7035 APSamerica com 76 15 All Rights Reserved Efficency Curves YC500 NA Efficency temperature Curves YC500 Eff with Ambient Temp 96 AERE m S D 95 T EN 425 C 91 465 C 90 S ASP aS AG S GPS co SP GP S SH uS uon S 100 Pout 500W YC500 NA Efficency Curves YC500 60Hz 240V IT T LI LLL LLLI MA LL TNS 95 Vl err lll 91 nean Efficiency 4 2 Qc nS o ele 96 ole PPP PPP OK VHF PS 100 Pout 500W APS YC500 A Installation User Manual 20 i 5 LL 3SVHd TANVd NOLLNSIALSIQ LINN NOILVOINNWNWO9 A9Y3N3 H3MOd OVAOZL HALNOU OL LINOYIO NOLLO3NNOO LSNYSHL3S Yad LINOUIO dV Sz p B Zana LINDUID HOIOSNNOO OV N3dO Had 00594 6 OL an G3TIVISNI Dre dY2 pee be E OV Ay He NOLLNGIMLSIC pU ov HHY Erster OL HHH N 3LIHM HO EEE
7. by removing AC then DC power Never disconnect the DC wires while the Microinverter is producing power Re connect the DC module connectors and watch for three short green LED flashes Troubleshoot a Non operating APS Microinverter continued on next page APS YC500 A Installation User Manual 15 A NON OPERATING APS MICROINVERTER 3 Check the AC branch circuit interconnection between all the Microinverters In rare cases the wire in the AC plug may have worked loose This will need to be reviewed by a qualified electrician Verify each inverter 1s energized by the utility grid as described in the previous step 4 Make sure that all AC breakers are functioning properly and are closed 5 Check the DC connections between the Microinverter and the PV module 6 Verify the PV module DC voltage 1s within the allowable range shown 11 the Section 8 Technical Data of this manual 7 If the problem persists please call APS Customer Support at 206 855 5100 WARNING Do not attempt to repair the APS Microinverter If troubleshooting methods fail please return the Microinverter to your distributor for replacement APS YC500 A Installation User Manual 16 Follow this procedure to replace a failed APS Microinverter A Disconnect the APS Microinverter from the PV Module in the order shown below 1 Disconnect the AC by turning off the branch circuit breaker 2 Disconnect the first A
8. modules to the Microinverter be sure to watch for the three short LED flashes EN A non operating APS Microinverter There are two possible overall areas of trouble A The Microinverter itself may be having problems or B The Microinverter itself is working fine but it is having trouble communicating with the ECU The items below refer to Microinverter issues not communication issues addressed in the ECU manual A quick way to tell whether the issue is the Microinverter or a communication problem with the ECU 1 Diagnosing from the Micro Inverter A red light either blinking or solid on the Microinverter or no light at all No light or a red light means it is definitely a Microinverter problem 2 Diagnosing from the ECU a No Data Display This is probably a communication issue not a Microinverter problem b Problems with erratic display Data is displayed for some period and then no data 1s displayed most likely a communication issue 0 watts or 2 watts Possibly a Microinverter problem d Erratic data display that is not coordinating with data displays from other units most likely a Microinverter problem TO TROUBLESHOOT A NON OPERATING APS MICROINVERTER FOLLOW THE STEPS BELOW IN ORDER 1 Verify the utility voltage and frequency are within ranges shown in the Technical Data section of this manual 2 Check the connection to the utility grid Verify utility power is present at the inverter in question
9. C connector in the branch circuit 3 Disconnect the PV module DC wire connectors from the micro inverter 4 Remove the Microinverter from the PV array racking B Install a replacement Microinverter to the rack Remember to observe the flashing LED light as soon as the new Microinverter 1s plugged into the DC cables C Connect the AC cable of the replacement Microinverter and the neighboring Microinverter to complete the branch circuit connections D Close the branch circuit breaker and verify operation of the replacement Microinverter APS YC500 A Installation User Manual 17 WARNING Be sure to verify the voltage and current specifications of your PV module match with those of the Microinverter 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 Microinverter WARNING The maximum open circuit voltage of the PV module must not exceed the specified maximum input voltage of the APS APS YC500 A Installation User Manual 18 APS YCSOOA Microinverter Datasheet INPUT DATA DC Recommended PV Module Power Range STC 180 310W MPPT Voltage Range 22 45V Maximum Input Voltage 55V Maximum Input Current 12A X 2 OUTPUT DATA Rated Output Power 5OOW Peak Output Power 55OW Maximum Output Current 208A 240V 24 208V Maximum Output Fault Current peak
10. Installation User Manual APS 5 Photovoltaic Grid connected Inverter Version 4 1 7 6 APS America 1015 Hostmark St Ste 104 Poulsbo WA 98370 TEL 206 855 5100 EMAIL info apsamerica com WEB www APSamerica com MICROINVERTER uy 4 APS Rights Reserved TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS 1 Radio interference statement 2 APS Microinverter System Introduction 5 APS Microinverter 500 series Introduction 5 APS Microinverter System Installation es 6 Additional Installation components from e 6 Required Parts and Tools from installer 6 Installation PFOCedUFf6s namero te t amu e eda dn om 7 Step 1 Installing the AC Branch Circuit Junction 7 Step 2 Attaching the APS Microinverters to the Racking or the PV Module Frame 8 Step 3 Connecting the APS Microinverter to the PV 9 Step 4 Ground the System 10 Step 5 Connecting APS Microinverters to the AC Cables 11 Step 6 Completing the APS Installation Map 12 APS Microinverter system operating instructions 13 Troubleshooting oh 14 e Status Indications and Error Reporting 14 OO 14 OO 14 14 Troubleshooting a non operating APS 15 16 Replace a
11. ation User Manual 12 APS Microinverter System Operating Instructions To operate the APS Microinverter PV system 1 Turn ON the AC circuit breaker on each Microinverter branch circuit 2 Turn ON the main utility grid AC circuit breaker Your system will start producing power after a five minute wait time 3 The units should start blinking green every 2 seconds five minutes after turning on the AC circuit breaker This means they are producing power normally but have not yet connected to the ECU After the ECU has been plugged in and acknowledges the Microinverters they will start to blink green every 10 seconds 4 Plugin the ECU and follow the instructions according to the manual for the ECU 5 The APS Microinverters will start to send performance data over power line to the ECU The time required for all the Microinverters in the system to report to the ECU will vary with the number of Microinverters in the system You can verify proper operation of the APS Microinverters via the ECU See the ECU Installation and Operation Manual for more information APS YC500 A Installation User Manual 15 Qualified personnel can use the following troubleshooting steps if the PV system does not operate correctly Status Indications and Error Reporting START UP LED One quick red light followed by three short green blinks when DC power 18 first applied to the Microinverter indicates a successful Microinverter start
12. ll instructions and cautionary markings in the technical documents and on the APS Microinverter system and the PV array v Be aware that the body of the APS Microinverter is the heat sink and can reach high temperatures To reduce risk of burns do not touch the body of the Microinverter v Do NOT attempt to repair the APS Microinverter If it fails contact APS Customer Support 206 855 5100 to obtain an RMA number and start the replacement process Damaging or opening the APS Microinverter will void the warranty APS YC500 A Installation User Manual Radio Interference Statement RADIO INTERFERENCE STATEMENT FCC Compliance The equipment complies with the limits for a class B digital device pursuant to part 15 of the FCC Rules which are designed to protect against harmful interference in a residential installation The equipment could radiate radio frequency energy and this might cause harmful interference to radio communications if instructions were not followed when installing and using the equipment But there 1s no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception the following measures might resolve the 1ssues A Relocate the receiving antenna and keep it well away from the equipment B Consult the dealer or an experienced radio TV technician for assistance Changes or modifications not expressly approved by
13. omplies with the IP65 environmental enclosure rating Simple to install You can install individual PV modules in any combination of module quantity orientation type and power rate 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 Microinverters automatically reports to the APS Energy Monitor and Analysis web server The EMA software displays performance trends informs you of abnormal events and controls system shutdown when it 15 needed See ECU manual for instructions APS YC500 A Installation User Manual 4 APS Microinverter 500 Series The APS 500 series Microinverters connect with the Split phase grid and operate with most 60 and 72 cell PV modules For more information please see the Technical Data page p 18 of this manual MODEL NUMBER AC GRID PV MODULE MODULE CONNECTOR YC500 60Hz 240V 60 72 Cell MC 4 Type or Customize Maximum units per branch of YC500 Max parallel combination of APS modules 7 branch for 20 A breaker 14 PV modules The APS YC500 has two independent DC inputs each with independent MPPT control and data monitoring The following figure shows the APS YC500 Microinverter schematic Grid data collection DC to DC modules ba
14. strain relief fitting C Wire the conductors L1 RED L2 BLACK N WHITE 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 See wire size diagram on following page APS YC500 A Installation User Manual YC500 Number per Branch EXTERNAL WIRE SIZE AWG MAXIMUM EXTERNAL CABLE LENGTH ft 1O 595 579 4 268 6 198 9 149 7 112 5 82 3 571 6 1482 8 9486 6714 4971 374 3 2808 205 7 142 9 7 is the maximum number branch with a 20 amp breaker Step 2 Attaching the APS Microinverters to the Racking or the PV Module Frame Figure 5 A Mark the location of the Microinverter on the rack keeping in mind the PV module junction box or any other obstructions B Mount one Microinverter at each of these locations using hardware recommended by your module racking vendor C GROUNDING WASHER If using the appropriate grounding washer check with a licensed electrician attach the grounding washer between the frame and the Microinverter WARNING Prior to installing any of the Microinverters verify that the utility voltage at the point of common connection matches the voltage rating on Microinver
15. ter label AN APS YC500 A Installation User Manual 8 WARNING Do not mount the Microinverter in a location that allows exposure to direct sunlight Allow a minimum of 3 4 1 5 cm between the roof and the bottom of the Microinverter to allow proper air flow NOTE Connecting cables steps 3 5 can be done any order but DO NOT connect to the utility power grid until all the steps are completed BE Step 3 Connecting APS Microinverters to the PV Module Connect the DC cables from the PV Modules to the Micro Inverter per the diagram below Note When plugging in the DC cables the Microinverter should immediately blink green three times This will happen as soon as the cables are plugged in and will show that the Microinverter is functioning correctly This entire check function will start and end within 5 seconds of plugging in the unit so pay careful attention to these lights when connecting the DC cables Photovoltaic panels and Microinverter DC input cable connection Figure 6 ze APS YC500 A Installation User Manual 9 WARNING Insure that all AC and DC wiring 1s correct Check that none of the AC and DC wires are pinched or damaged
16. the party responsible for compliance may void the user s authority to operate the equipment APS YC500 A Installation User Manual 2 APS YC500 A System Introduction The APS Microinverter is used in utility interactive grid tied applications comprised of three key elements 3X APS Microinverter APS Energy Communication Unit ECU APS Energy Monitor and Analysis web based monitoring and analysis system L AC Distribution Panel Figure 1 Internet APS YC500 A Installation User Manual 3 EN APS Microinverters maximize PV energy production Each PV module has individual Maximum Peak Power Tracking MPPT controls which ensures that the maximum power 1s 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 shade dust orientation or any situation 1n which one module underperforms compared with the other units the APS Microinverter ensures top performance from the array by maximizing the performance of each module within the array More reliable than centralized or string inverters The distributed APS Microinverter system ensures that no single point of system failure exists across the PV system APS Microinverters are designed to operate at full power at ambient outdoor temperatures of up to 149 F 65 C The inverter housing 15 designed for outdoor installation and c
17. uch 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 AC branch end cable 1 per branch sold separately Protective end cap 1 per branch sold separately Required Parts and Tools from Installer In addition to your PV array and its associated hardware the following tools are required for assembly One AC connection junction box Mounting hardware suitable for module racking Sockets and wrenches for mounting hardware Continuous grounding conductor and grounding washers Phillips screwdriver Torque wrench PPPPP APS YC500 A Installation User Manual Installation Procedures APS Microinverters are designed to only operate when they can sense power coming from the grid Even if they are plugged into the PV array they will not turn themselves on until they can read power from the grid WARNING Do NOT connect APS Microinverters to the utility grid or energize the AC circuit until you have completed all of the installation procedures as described in the following sections YC500A Installation Figure 3 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 splice cable into the junction box using an appropriate gland or
18. up Operation LED Flashing Slow Green 10 sec gap Producing power and communicating with ECU Flashing Fast Green 2 sec gap Producing power and not communicating with ECU Flashing Red Not producing power GFDI Error A solid red LED indicates the Microinverter has detected a Ground Fault Detector Interrupter 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 Installation and Operation Manual for a list of additional faults and troubleshooting procedures WARNING Only qualified personnel should directly handle the APS Microinverter WARNING Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prior to disconnecting WARNING Always disconnect AC power before disconnecting the PV module wires from the APS Microinverter Either disconnecting by the appropriate AC circuit breaker or unplugging the first AC connector of the first Microinverter in a branch circuit 1s suitable as a APS YC500 A Installation User Manual 14 means of disconnection WARNING The APS Microinverter is powered by PV module DC power AFTER disconnecting the DC power when reconnecting the PV
19. ximum number of Microinverters in an AC branch circuit as displayed on the unit label APS YC500 A Installation User Manual 11 Step 6 Completing the APS Installation Map Fill in the APS Registration Cards which provide system information and the installation map Feel free to provide your own layout if a larger or more intricate installation map 1s required The layout map provided is designed to accomodate labels in vertical or horizontal orientation to meet all the field PV connections 1 Each APS Microinverter has removable serial number labels Peel a label off and affix it to the respective location on the APS installation map 2 Fill out the warranty cards and email to APS at emasupport altenergy power com 3 APS will create the EMA account and email you the account information Then you can use the EMA website to view detailed performance of your PV system APS Mi nverter YCSOO A amp Energy Communication Unit 4 APS Registration Card Page 1 This map shows the physical 1 fon of each micro inverter in your PV installation Each APS YC500 A Microi serial number label locate its case Peel off the label and affix it to the corresponding location on your APS installation map Ee Ss e US EN ee Se BUS Be Se Figure 10 APS 5 Install
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