Installation and Operations Manual INVOLAR MAC250 Microinverter
Contents
1. 9 JINVOLAR Installation and Operations Manual INVOLAR MAC250 Microinverter INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 inverter for solar Contact Information INVOLAR Corporation Ltd 887 Zuchongzhi Road Build 84 Room 408 Shanghai China 201203 Tel 86 21 50272208 Fax 86 21 50277705 www INVOLAR com info INVOLAR com INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar Table of Contents READ NN 4 5 1 SAFETY INSTRUCTIONS ue QU enun v ev ovas Ses use Cup Us tuc s eve uv e ovas eT 6 2 THE INVOLAR MICROINVERTER SYSTEM INSTRUCTION 7 2 1 THE INVOLAR MICROINVERTER SYSTEM cccececccccceccccecceceacecececececeaceceacecseecsacecsceeceeesseeseceeceaeecs 7 3 INVOLAR MICROINVERTER INSTALLATION cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccecccs 7 3 1 INVOLAR MAC250 MICROINVERTER OPERATIONAL CONDITION IN PV SYSTEM 7 3 2 INSTALLATION STEPS editas bi nesuE ne UE OE tubus verd mud 8 4 FUNCTION INSTRUCTIONS ccccccccccccccccccccccccccccccccccccccccc2. In Standby mode the microinverters would continuously detect the energy output of the PV panels When the output energy reaches the power generation conditions the inverter would enter the Active mode from the Standby state NOTE The INVOLAR microinverter cannot enter into Standby or Active mode when the NOTE PV panels are insufficiently operative during night time and rainy days 4 2 Grid Connection INVOLAR MAC250 microinverter system connects to the grid automatically It detects and monitors the performance of each PV panel in the PV array When the output energy reaches the power generating conditions the INVOLAR MAC250 microinverter system would connect to the grid and generate electricity In the process of grid connection and electricity generation the Maximum Peak Power Point Tracker MPPT function controls each PV panel individually so as to achieve maximum power havest 4 3 Grid Disconnection If the grid cannot meet the following conditions Figure 6 1 the INVOLAR microinverter will stop operating Figure 6 1 Parameter of Power Grid INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar 5 Monitoring and Troubleshooting 5 1 Overview The application of power line communication PLC technology in the INVOLAR MAC250 microinverter helps users monitor and detect the whole PV system via the internet The SEDAS Solar Energy Data Acquisition System devel
3. LastWeek ThisWeek Yesterday Special Events Since Installation Last Month This Month Last Week This Week Yesterday Environmental Information Your System Could Power the Following for 1 Day qq e Light Bulbs Households Carbon Offset 0 Automobile s missions Figure 5 4 Statistics of Power Generation INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar Table 5 2 Detailed Controls Grid Voltage Grid Voltage Grid Current Export AC Grid Frequency Grid Frequency mm DC input voltage DC input voltage x V A Hz V A W Temperature Ambient temperature C Module MAC250 Module Temperature Temperature Daily Working Hours Working Hours for the day kWh kWh kWh Power Generation for the Power generation for em Total amount of workin hours Table 5 3 Fault Mode Abnormal Frequency Abnormal frequency in the grid Island effect Anti island protection NOTE A faulty microinverter does not affect the operation of other INVOLAR NOTE microinverters in the system The rest of the panels and microinverters in the system will continue to operate INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 inverter for solar WARNING e Ensure that only qualified personnel should troubleshoot the PV array or the INVOLAR microinverter WARNING e Never disconnect the DC wire connectors under loaded condition Ensure that no cur
4. INVOLAR trademark is not visible The Limited Warranty does not cover the following situations e Improperly installed e Improperly operated e Improperly handled or used e Used under conditions in which the product is not designed for or used in an unsuitable environment e Any installation or use beyond the scope of relevant international standards e Damage cause by abnormal natural environment The exact product dimensions and technical data depend on the latest released version Change may occur without prior notice INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 7 2 INVOLAR MAC250 Microlnverter System Sample Wiring Diagram La 9 B ii 5 1 3 ca 1 fw MN i i il i ES cre go ox ux 3 a Ram ra il LI LI LITT HENNE 0 TI HIT FT I 10 EN TT LET TT T II IT 669 TH FTT LITT TT 0SZOVW 057 OL dil 4 Ln Fr tan c dIHYO LANWSHL WJLDON Qquvgdvouwg 0 Li AAJA ILEEEEELELELEELLELU INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2
5. all installation procedures have been completed WARNING e Ground microinverters for safety purposes e Comply with rules of correct usage of tools and personal protective WARNING equipment PPE for ensuring the safe installation of the microinverters NOTE gt Micronverter s DC input and AC output power cables must be isolated from NOTE each other Do not put them in the same cable tray or cable rack INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 f inverter for solar Follow the installation steps below refer to Figure 3 2 above 1 Attach the INVOLAR microinverters to the racking with the male connector facing the junction box 2 Connect the INVOLAR microinverter s left hand side cable to the right hand side cable of the microinverter to the left 3 Connect the INVOLAR microinverter right hand side cable to the left hand side cable of the microinverter to the right if the microinverter is the last one cover the cable end with the protective cap Connect the INVOLAR microinverter to the PV panel 6 Repeat step 2 through Step 4 until all the microinverters in branch are connected Table 3 2 DC Output Cable PIN 1 Brown PIN 2 Unused Brown L PIN 3 Light Blue Light Blue N PIN 4 Unused Yellow Green Unused Note The MAC250 microinverter DC connectors are standard plug in components NOTE thus they should match the connectors on the PV panels 4 Function Ins
6. of the INVOLAR microinverter should not exceed 50V Higher voltage may cause permanent damage to the device If such WARNING damages occur INVOLAR does not bear any warranty obligations nor any joint liability INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar 2 The INVOLAR Microlnverter System Instruction 2 1 The INVOLAR Microinverter System The four key elements of an INVOLAR Microinverter System are e The INVOLAR microinverter e The INVOLAR ETU communication gateway e The INVOLAR SEDAS web based monitor and analyzer e PV panel L N PE Energy Terminal Unit Broadband SEDAS nternet Customer router server web terminal Figure 2 1 INVOLAR Microinverter System Diagram NOTE The INVOLAR ETU Energy Terminal Unit communication gateway the INVOLAR LCF Line Communication Filter and the INVOLAR SEDAS Solar Energy Data Acquisition System are optional elements Before installing these elements read all instructions and NOTE cautionary markings in their corresponding user manuals 3 INVOLAR Microinverter Installation 3 1 INVOLAR MAC250 Microinverter Operational Condition in PV System PV Panel The maximum PV Panel open circuit voltage CANNOT be more than 50V INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 inverter for solar The range of PV panel output
7. INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 SEDAS 6 INVOLAR Solar Energy Data Acquisition System Energy Logout Homepage System Power Generation Output 11 6 kWh 32 2 5KW 76 4 49 kWh 78 2 Yesterday This Week Last Week 1 5KW 76 49 kWh Last Month 130 04 kWh Current Year 247 78 kWh om Last Year O kWh ow Total Output 251 19 kWh Generator Status 115 113 14 Row 1 1 1 2 165 69 1 6 149 32 1 4 Row 2 6 175 01 Row 2 175 01 Username test1 Last Login IP 203 110 178 233 Last Login Time 2010 08 05 10 48 16 Authority General User Figure 5 3 Performance of Each PV Panels in INVOLAR Microinverter System INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 Today s Energy 2 85 kWh Yesterday 0 50 kWh This Week 3 77 kWh Last Week 0 00 kWh Current Month 3 77 kWh Last Month 0 00 Current Year 3 75 kWh Last Year 0 00 kWh Total Output 3 77 kWh Micro Inverter Details 180 150 120 Sow bow sow 04 00 05 20 06 40 03 00 09 20 10 40 12 00 13 20 14 40 16 00 Microinverter ID 0000000384 Edit Information More Microinverters 0000000212 v Detailed Information System Go Live Time 2010 08 04 11 15 Rated Power 96 13 System test1 System Info Since Installation LastMonth ThisMonth
8. ccccccccccccccccccccccceccccccecccscsecccccseccs 10 4 1 WORKING MODE RERO 10 4 2 Ne 11 4 3 ERU 11 5 MONITORING AND TROUBLESHOOTING cccccccccccccccccccccccccccccccccccccccccccccccccccccsccecccccceccs 12 5 1 MR 12 5 2 MAC250 MICROINVERTER STATUS LED INDICATIONS AND ERROR 12 5 3 INTELLIGENT LOCAL PC AND INTERNET MONITORING cccececcccececceccccececcececeececeececeeceaeececeeceeeceneecs 12 6 INVOLAR MAC250 MICROINVERTER TECHNICAL 18 6 1 TECHNICAL SPECIFICATIONS NS 18 7 APPEND aoaaa E EE E EA EE 19 7 1 LIMITED YY ARRANT EE ER E SE 19 7 2 INVOLAR MAC250 MICROINVERTER SYSTEM SAMPLE WIRING DIAGRAM 1 21 20 INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 6 inverter for solar Read This First Before installing the MAC250 microinverter please read this manual carefully to prevent injury to people and damage to the equipment INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar Safety Icons Please read the following safety symbols that indicate dangerous conditions and important safety instructions DANGEROUS DANCERDUS The DANGEROUS icon in this manual and on MAC250 Microinverters indicates a situation where failure to follow instructions may cause ser
9. ious injuries or death WARNING The WARNING icon indicates safety and hazards to people and equipment This icon is WARNING used to call your attention to instructions for your personal safety and or that of others Use safety precautions to prevent injury to people and damage to equipment 1 NOTE The NOTE icon in this manual indicates important product information INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 inverter for solar 1 Safety Instructions For INVOLAR microlnverter Warranty Terms and Conditions refer to the appendix of this manual e Ensure that only qualified personnel should install and or replace INVOLAR Microinverters e Comply with the rules of correct usage of tools and personal protective equipment PPE in order to ensure the safe running of INVOLAR Microinverters e Even if the inverter is not in running condition the power input and output lines may still be of a dangerously high voltage Break the circuit and wait for more than 15 minutes to ensure that the inverters have discharged to a safe low voltage and then start the installation e Before connecting INVOLAR microinverter to the electrical utility grid obtain approval from the utility company e fthe installation is carried out during the daytime use opaque cover to block sunlight from the PV panels eliminating the risk of exposing installers to lethal high voltage WARNING Be aware that the input AC voltage
10. oped by INVOLAR tracks in real time the statistics information of energy harvest for all INVOLAR microinverters in the array and monitors every panel s performance Power line MAC250 MAC250 Energy Terminal Unit Local PC Power line O Broadband router Figure 5 1 MAC250 Microinverter Communication System 5 2 250 MICROINVERTER Status LED Indications and Error Reporting One can access the INVOLAR MAC250 microinverter system LED menu to view and manage the operation conditions The following Table 5 1 shows the MAC250 MICROINVERTER Status LED indications and error report Table 5 1 MAC250 MICROINVERTER Status LED Indications and Error Reporting LED Operation Working Mode Flashing yellow continuously Producing power and communicating with ETU 4 short yellow blinks Producing power and not communicating with ETU 3 short yellow blinks Standby 5 3 Intelligent Local PC and Internet Monitoring The INVOLAR ETU collects performance information for each solar panel in a user s system and transmits this data to the INVOLAR DATA center and displays it on SEDAS website see Diagram 5 1 where users can view and manage the PV panels performance see Diagram 7 2 of their solar power system see Figure 5 2 INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 Administrator Login Username Password General User Login Username Password Figure 5 2 SEDAS Login Interface
11. power is 180W 250W Electrical Utility Grid Connection Connect the INVOLAR microinverter to the electrical utility grid only after obtaining prior approval from the utility company The grid conditions must be met as specified in the following table before the microinverter system can operate properly Table 3 1 Parameters of Power Grid Rated Value Variation Range Voltage 220V 15 10 Connection cable The diameter of the connection cable should match the basic current capacity 3 2 Installation Steps INVOLAR MAC250 Microinverter Exterior Dimensions Dimensions are shown in Figure 3 1 below AC CABLE DC CABLE i Lo cl De 22540 DC CABLE Figure 3 1 INVOLAR MAC250 Microinverter Dimensions NOTE e Leave enough space around the microinverter NOTE e Allow a distance of 350mm between two microinverters INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 inverter for solar Detailed Installation Procedures Installation instructions in the following sections are referenced in Figure 3 2 below Step I A 4 e D Finish D Start p Step 2 PA Figure 3 2 MAC250 Microinverter Detailed Installation Diagram Dangerous e Only qualified personnel should install or maintain the INVOLAR microinverters to the electrical utility grid HANDERDES e DO NOT connect INVOLAR microinverters to the utility grid or energize the AC circuit s until
12. rent is flowing in the DC wires prior to disconnecting INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter tor solar 6 INVOLAR MAC250 Microlnverter Technical Data 6 1 Technical Specifications MAC250 180W 250W 5 22 40 Maximum DC input current 10A Output Data AC Rated AC output Power Input Data DC Maximum input DC power Maximum input DC voltage MPPT voltage range Q 180W 220W 0 82A Maximum AC output Power Rated AC output current gt Maximum AC output current 187 242 49 5Hz 50 5Hz AC output voltage range AC output frequency range Power factor Total Harmonic Distortion lt 4 Maximum units branch Efficiency 95 0 94 0 100mW Peak inverter efficiency CEC weighted efficiency Nighttime power consumption Mechanical Data IP65 25 C 65 C 230mm 138mm 35mm 2 4kg Compliance CQC TUV expected shortly Enclosure environmental rating Operating temperature range Dimensions WxHxD Weight INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 inverter for solar 7 Appendix 7 1 Limited Warranty INVOLAR provides a 15 year warranty The exact time depends on the contract During the warranty period if any defect in workmanship and materials of the INVOLAR microinverters is detected the customer is entitled to a replacement or repairing at no cost The Limited Warranty does not cover products of which the
13. tructions 4 1 Working Modes The working modes of an INVOLAR microinverter are e Startup e Active e Fault e Standby The detailed working modes are described below Startup Startup mode refers to the period for a newly installed INVOLAR microinverter The system would only enter the startup mode if AC and DC cables are properly connected and the whole PV system is grounded INVOLAR Corporation Ltd July 2010 REV MAC250M 1 2 5 Inverter for solar Active When the microinverter is in its normal operation process this mode ensures that the power available from each PV panel is exported to the utility grid Fault If the PV system does not operate correctly the INVOLAR microinverter would stop automatically and enter into Fault mode The INVOLAR microinverter system would continue to analyze the fault information The INVOLAR microinverter remains in Standby mode until the fault is detected and eliminated If the inoperative microinverter has been repaired and matched to the electrical utility grid the whole INVOLAR microinverter system would enter operation mode after 20 seconds to 5 minutes Beware that only qualified personnel should maintain the INOVLAR microinverters Standby The microinverter is in standby mode when the microinverter is in operation process but maintains a low voltage and current in DC for a certain time The microinverter manages to transition from Active to Standby
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