PV Grid-tied Inverter User Manual
Contents
1. 12 The IG Series Inverter 5 Function Operation Condition Waiting Mode When DC voltage is over 100V but doesn t reach to 120V the inverter enters a Waiting mode Under this mode it will continue checking if PV array has enough power to feedback into grid Self Testing Mode After initialization is finished in Waiting mode ifthe PV voltage is over 120V and the grid voltage amp frequency meet the standard the inverter will work in the Self Testing mode On grid Mode Under this mode Inverter GO IG series inverters convert PV array s DC into AC and feedback into grid CAUTION The inverter output power decrease is usual under the condition of thermal protection but if it occurs frequently you need to check the heat sink or consider putting the inverter in the place where have better air flow and if output power decreases caused by electrical problem please ask for professional supports Fault Mode If any fault error occurs inverter stops generating power until the fault error is cleared Some fault error will recover itself and some may need to restart manually to resolve 13 The IG Series Inverter 6 Installation 6 1 Safety Instructions Do not remove the enclosure upper lid Inverter contains non user practical parts All wiring and electrical installation should be conducted by a qualified service personnel and must meet national requirements Both AC and DC voltage sources are terminat2. H HHHHHH Figure 13 16 The IG Series Inverter 6 5 Mounting the Inverter Hang the inverter onto the mounting frame Figure 14 Insert safety lock screws into the bottom leg to fasten the inverter Figure 15 17 The IG Series Inverter 6 6 Check Inverter Installation Status Check the upper straps of Inverter to ensure it is fixed on to the bracket Check the secure mounting of the PV Inverter by trying to raise it from the bottom The PV Inverter should remain firmly attached Select the installation location so that the status of display can be easily viewed Choose a strong mounting wall to prevent vibrations while inverter is operating 6 7 Connector Guide This product has a professional IP68 DC waterproof connector You have to wire DC by yourself Please see Figure 16 and Figure 17 for DC connector disassembling guide Connectors must only be connected by qualified personnel Only PV1 F cables can be used The TUV approval only allows the use of PV1 F cables Do not use type HO7RN F cables The connectors must be not disconnected while under load For protection against electric shock connectors must always be disconnected from the power supply during assembly Connectors that are not plugged must be protected against humidity and contamination by a protective cap Any kind of contamination may have adverse effect on the system and great care must be taken during assembly to ensure that
3. clock show power amount chart at the Real Time and display on the inverter LCD 27 The IG Series Inverter 8 Setting up Communication 8 1 Communication Interface Type This product has a communication interface RS485 and Serial Port optional Operating information such as output voltage current frequency fault information etc can be delivered to PC or other monitoring equipment via RS485 8 2 Communication When user want to know the information of the power station and manage the entire power system We offer below three types of communications Figure 34 Communication Interface of Inverter GO Series Inverter Table 12 Sera Port Wire No po we la e xo a om ee VCC RXD TXD GND A ano s w 8 2 1 Connect the system by Serial Port RS485 Adapter User can use a Serial Port RS485 to USB Adapter to connect the inverter and the PC Please note that the inverters serial port is TTL standard not RS232 standard Using INVERTER GOData Explorer the inverter s information can be checked on PC Take example of RS485 Figure 35 28 The IG Series Inverter Grid tied Inverter Grid tied Inverter RS485 RS485 RS485 adapter Figure 35 8 2 2 Webbox Communication optional The connection way between Inverter GO Inverters are a straight through cable But the connection between Inverter GO Inverter and Webbox uses a crossover cable As shown in the following figure Daisy chain bus Strai
4. 8lagging 0 8leading cose THD at nominal lt 3 lt 3 power Overvoltage mM mM Category Maximum Output power limited to 16amps up to a maximum power of 3 6KW for G83 Maximum Output power limited to 18amps up to a maximum power of 3 6KW for G59 4 3 Efficiency Safety and Protection Table 5 IG1000 1 IG2000 1 IG3000 1 1G4000 1 IG5000 1 Max Efficiency 97 7 97 8 97 8 98 1 98 1 Euro Efficiency er 0 97 1 97 2 4 97 6 MPPT Efficiency a 9 A 9 Overvoltage Under Voltage Protection Shutdown Voltage Start Yes Yes Voltage DC Isolation Impedance Yes Yes Monitoring Ground Fault E Grid Monitoring _ Grid Monitoring _ Ground Fault Current ER a Yes Yes Monitoring 4 4 General Data Table 6 IG1000 1 IG2000 1 IG3000 1 1G4000 1 IG5000 1 Dimension W H 386 340 159 386 420 159 D mm 11 The IG Series Inverter Cooling Concept Natural Convection Natural Convection Noise typical typical lt 30 lt 30 dB Operating Temperature 25 C 60 C derating at 45 C 25 C 60 C derating at 45 C Range C Relative humidity pre 4 100 condensing 4 100 condensing Pollution External Ill Internal 11 External Ill Internal Il of IP65 IP65 ME Consumption ni lt 0 5W lt 0 5W ES W EM RS485 WiFi optional RS485 WiFi optional Interfaces 6 10 15 years Standard 6 10 15 years Free opt opt Warranty Free opt opt
5. UK COMUNICA MON a EE E E E O O N E 28 8 1 Communication Interface Typs A A dees 28 S do Tasa 28 O OUD IE SAOOUA era 31 as EA AAA A cet eats asa eer Jue a ceed 33 LOA DISTRAE 33 A lA A II A 33 ISSO AA e 33 104 DISPO AA A A Ai 33 AN ice gh APP EU o A re 34 12 Gontaci Inverter Ost 35 The IG Series Manual 1 Notes This manual is an integral part of the inverter Please read the product manual carefully before installation operation or maintenance Keep this product manual for future reference 1 1 Validity This manual describes the assembly installation commissioning and maintenance of the following inverters IG1000 1 1G2000 1 IG3000 1 IG4000 1 IG5000 1 1 2 Target Group This manual is for qualified personnel who have received training and demonstrated skills and knowledge in the construction and operation of this device Qualified personnel are trained to deal with the dangers and hazards involved in installing electric devices 1 3 Safety 1 3 1 Appropriate Usage The IG Series are the PV inverters which convert the DC current of a PV generator into AC current and feed it into the public grid J re ET j i i oe ih J add ia i a E e debi r HIE E epg dp d pd poke peg Se ae ae j PV Module Grid tied inverter Grid Figure 1 PV Grid tied System The IG Series Manual 1 3 2 Important Safety Instructions Danger Danger to life due to high voltages in the inverter All work on the inverter mus
6. everything is clean Connectors provide IP68 protection but should not be continually exposed to water e g immersed under water and not placed directly on the top side Connecting to PV panel DC input Figure 16 1 Insert the stripped conductor Cross sections 2 5 to 6 mm Outside diameter 5 0 to 8 mm Stripping length 15 mm 2 Close spring with the thumb or using combination pliers 18 The IG Series Inverter Please ensure that the spring is closed see Figure 16 3 Push connectors together see Figure 17 Screw cable gland tight Screw in the nut until it reaches the O ring and then tighten it with at least 2 Nm using a suitable tool Finished Connector socket unlocking process Figure 17 1 Insert screwdriver SZF 1 or phase tester in one of the illustrated positions 2 Leave screwdriver inserted and remove connector from socket Conductor reconnection Figure 18 1 Screw on the cable gland 2 Never open the interlock as shown in the figure by using the screwdriver 3 Pull plug connectors apart 4 Open spring with screwdriver and remove conductor 19 The IG Series Inverter Figure 19 Connecting to the grid 1 Measure grid voltage and frequency to see whether they are normal 2 Open the breaker or fuse between inverter and utility grid 3 Connect AC wires of inverter as follows CA es oE Figure 20 Below is the AC cable specification table when select the cable for install
7. for help from us Checking the panel s open circuit voltage whether the value is close to or already gt Max DC voltage Please seek help from us when voltage lt Max DC voltage Disconnect the PV PV with DC input then reconnect them Check L line and N line to see whether it has connection faults Please seek for help from us when this fault happens Disconnect the PV PV with DC input then reconnect them Please seek for help from us if it can t go back to normal state Please check whether working in IN1 amp IN2 P mode Check PV1 PV2 if there is no connection Or please seek for help from us e Check the warning or fault messages on the information panel Record the message if displayed for further action e Try the solution indicated in Table 14 e f your inverter information panel didn t have a Fault light check the following list to make sure 31 The IG Series Inverter that the present state of the installation allows proper operation of the unit ls the inverter located in a clean dry ventilated place Have the DC input breakers been opened Is the size amp length of cables suitable Are the input and output connections and wiring in good condition Are the configurations settings correct for your particular installation Are the display panel and the communications cable properly connected without damage Contact Inverter Go Customer Service for furth
8. 00 1 IG3000 1 PV1 and PV2 Independent IN1 8 IN2 P 1G4000 1 IG5000 1 PV1 and PV2 Parallel Date the present date of the inverter Time the present time of the inverter Setting communication address When several inverters are connected to the same communication channel each unit must have a different address Set them form 1 such as 1 2 3 When setting RS485 communication address on the setting page of the LCD should make dial switch 3 connected On first then double knock into the setting mode then single knock to change the address value wait for 5 seconds to quit automatically from setting page after setting then disconnect the dial switch 3 off Notes Make sure dial switch 3 is disconnected Off when the inverter is working or else the inverter can t work properly then Setting working mode If you want to change the working mode for the Inverter Go Solar Inverter I1G3000 5000 1 when it is first installed it can be done at Inverter Go Data Explorer Inverter Time Setting Inverter Go Solar Inverter can be running at 2 modes No Time mode or Time mode It can be done at Inverter Go Data Explorer No Time mode default it will re calculate today power amount when the inverter is power off for more than 4 hours The today power amount diagram shows in the middle and there is no time display on the inverter LCD Time mode it will change date amount diagram based on RTC time at 0 o
9. PV Grid tied Inverter User Manual IG1000 1 IG2000 1 IG3000 1 IG4000 1 IG5000 1 Copyright Declaration The copyright of this manual belongs to Inverter Go Here after to be referred as Inverter Go Any corporation or individual should not plagiarize partially copy or fully copy it including software etc and no reproduction or distribution of it in any form or by any means All rights reserved Inverter Go reserves the rights of final interpretation This information is subject to modify without notice Inverter Go are used for PV products The IG Series Manual Table of Contents A O O ene eT eer EA rer emer Cree eters ee l A O 1 Msp E COOU I E ONN 1 ERS E A EA AE I E E AOA a 1 2 niroduC iO q COPA On T O 6 AOV N EWN a E E AN 6 22 le Ct al Block DA A ie a aaa 6 ZO ernas Ol PV INVE aia 7 24 Dimension and Weis Dt seansai a a 7 Al lo a aaabaeian 9 A A E O 10 A DES ii aa 10 AD A A a 10 AS EL HCICNCY ate ANC Fi Ole CUOM aay staciistes tates aa iia 11 ded enera A A A A A 11 o I er N E AEE E dud eens enema eneeenes 13 MSTA AMON xeicsivessssacerccactasmonceveianiaseete tects anaenees een cee renee eee an Ee ates 14 Gel ate ty TMS UCI OMS a 14 62 Selecting the InmstallanOmlOCat Oi aos 14 9 PTC PAA lOM sired badiadsnsctevene ulead enad iii 15 AMOUR DTCC i 15 6 Mou tins the Inverter cali AA toc 17 6 6 Checkanverter Installation Sais acs ia id 18 07 COME CLOT AU iia 18 AO A O E 0 OA 21 A ON 21 FAC D DISPO 22 e Seting
10. RTER Figure 3 Electrical block diagram The IG Series Inverter 2 3 Terminals of PV Inverter Figure 5 Terminals of PV Inverter IG4000 1 IG5000 1 2 4 Dimension and Weight e Dimension 1G1000 1 1G2000 1 1G3000 1 386mm 159mm 340mm 1G4000 1 1G5000 1 386mm 159mm 420mm eWeight Table 1 _1G3000 1_ 164000 1 1050004 17 5 17 5 The IG Series Inverter 3 Packaging List Table 2 Quantity Solar Inverter OD Mounting Frame Screws Sleeve Mounting Screws Manual This series is shipped with the following items Figure 8 4 Technical Data 4 1 Input DC The IG Series Inverter Table 3 Model IG1000 1 IG2000 1 IG3000 1 IG4000 1 1G5000 4 2 1 Max DC 1700 2350 3150 4400 5200 Power W Max DC power each MPP tracker 1700 2350 3150 3000 W Max DC Voltage V Max Input Current of MPP 15 15 Tracker A Number of MPP Trackers Strings 1 1 2 1 per MPP Tracker MPPT Voltage 120 500 170 500 210 500 Range V 155 500 Nominal PV Voltage Start Voltage On Grid 100 120 100 120 Voltage Overvoltage category 4 2 Output AC Table 4 IG1000 1 IG2000 1 1G3000 1 Max AC 1600 2200 3000 Power W Max AC Current 7 8 11 A Nominal AC 220 230 240 Voltage V AC Voltage 176 276 Range V AC Grid 50 60 Frequency Hz 10 1G4000 1 IG5000 1 4200 9000 220 230 240 176 276 50 60 The IG Series Inverter Power Factor l l l 0 8lagging 0 8leading 0
11. and Fault Mode The following images are the symbol of power derating reason when inverter derates 23 The IG Series Inverter i Indicate input voltage values are too high or too low wu Indicate the ambient temperature is particularly high m Indicate frequency derating EA Indicate power no derating Behind the symbol of power derating reason is Real time working mode symbol N PV Mppt IG1000 1 IG2000 1 IG3000 1 I PV1 and PV2 Mppt independent IG 3000 1 G4000 1 P pvt and PV2 Mppt parallel IG 3000 1 1G4000 1 The following symbol is Real time grid standard 00 DIN VDE V 0126 1 1 2006 A1 2011 AS 01 4777 2005 02 G83 Issue 2 August 2012 03 G59 Issue 2 August 2010 04 VDE AR N 4105 2011 08 VDE 0124 100 2012 07 From the second line the LCD displays inverter s warning or fault information Fault Information is listed as the following table Table 11 The internal hardware that measures ground fault has measured Leakage Fault substantially high ground currents Grid Fault Grid Voltage or Frequency out of range Boost Fault Boost DC DC Power Stage fault PV Over Voltage PV panel Voltage too high Relay Fault The AC relay failed DCINJ High Output Current DC Offset too high The RCD measurement mechanism has failed during the wake up RCD Fault test phase Inverter DC AC Power Stage fault Boost DC DC Power Stage over current Inverter DC AC Power Stage over current 24 The IG Series In
12. ation Table 7 Cable and Micro breaker Requirement IG1000 1 IG2000 1 IG 3000 1 1G4000 1 IG5000 1 Micro Breaker 16A 20A 20A 25A 25A 20 The IG Series Inverter 7 Operation 7 1 LED Display The panel has three LED indicators as follows Figure 21 7 1 1 DC DC status LED Green Blinking The DC DC Circuit is starting o The DC DC Circuit is working n Normally 7 1 2 DC AC status LED Green Table 9 Blinking The DC AC Circuit is starting o The DC AC Circuit is working n normally 7 1 3 Fault LED Red Table 10 The inverter is in fault status Normally after starting up DC DC LED and DC AC LED will be lighted indicating that the Inverter s feeding power status to the grid The IG Series Inverter 7 2 LCD Display The LCD display monitors the inverter status and collects statistical data for assessing system performance The display on the inverter can be controlled by tapping the front of LCD To save power the LCD display s backlight will turn off automatically after 30 seconds When the LCD is dark one tap will make it become bright again Asummary diagram of the display functions is shown as the figure below the LCD will show next page by tap Figure 23 LCD summary diagram of 1G1000 1 IG2000 1 IG3000 1 q CINCO Figure 24 LCD summary diagram of IG 3000 1 1G4000 1 22 The IG Series Inverter 7 2 1 System Page SYSTEM XXXXX W XXXXX XXXXX KWH Power Waiting Operation Condit
13. ed inside the PV Inverter Please disconnect these circuits before servicing When a photovoltaic panel is exposed to sunlight it generates DC voltage When connected to this equipment a photovoltaic panel will charge the DC capacitors Energy stored in this equipment s DC capacitors presents a risk of electric shock Even after the unit is disconnected from the grid and photovoltaic panels high voltages may still exist inside the PV Inverter Do not remove the upper lid until at least 5 minutes after disconnecting all power sources This unit is designed to feed power to the public power grid only Do not connect this unit to an AC source or generator Connecting inverter to external devices could result in serious damage to your equipment Carefully remove the unit from its packaging and inspect for external damage If you find any imperfection please contact with your local distributor or service center Although designed to meet all safety requirements some parts and surfaces of inverter are still hot during operation To reduce the risk of injury DO NOT touch the heat sink at the back of the PV Inverter or nearby surfaces while Inverter is operating Check environment where system is installed Check whether the installation site fall into any of the following conditions e The ambient temperature is beyond the range of the optional temperature limitation 25 C to 60 C 13 F to 140 F Power derating begins at 45 C e Insta
14. er assistance Please provide your details of installation model amp serial number of the unit to us when inquiry 32 The IG Series Inverter 10 Decommissioning 10 1 Dismantling e Disconnect the inverter from DC input and AC output e Remove all connection cables from the inverter e Remove the inverter from the bracket 10 2 Packaging If possible it s better to pack the inverter with the original packing If original packing is not available please use similar packing which meets below requirements e Load ability should be over 20kg e With handle e Able to fully closed 10 3 Storage Store the inverter in a dry place where ambient temperature is always between 25 Cand 60 C 13 to 140 F 10 4 Disposal Please put the defective inverters amp packing materials to a place which is convenient for relevant department to dispose and recycle 33 The IG Series Inverter 11 Warranty Warranty certificate represents a six year warranty service for mentioned products since the date of purchase Warranted Products This warranty is applicable solely to the following products IG1000 1 IG2000 1 IG3000 1 IG4000 1 IG5000 1 Limited Product Warranty Applicable under normal application installation use and service conditions Inverter Go warrants the above listed products to be free from defects and or failure specified for a period not exceeding 6 years from the date of sale as shown in the roof of Pu
15. ght through Cable Straight through Cable Straight through Cable Crossover Cable RS485 Inverter RS485 Webbox RS485 Connector Connector Figure 36 Inverter GO Web Box Monitoring Diagram 29 The IG Series Inverter 8 2 3 Embeded WiFi Communication optional Embeded WiFi module is a hardware device can be inserted to inverter s serial port Please refer to Inverter GO WiFi module Manual for more information Table 13 Inverter serial Port Signale WiFi Module Signal l 4 Inverter serial Port WiFi Module Connector Connector l gt 30 9 Troubleshooting The IG Series Inverter In most situations the inverter requires very little maintenance However if Inverter fails to work perfectly please refer to the following instructions before calling your local dealer Should any problem arises the LED on the front panel will be red and the LCD will display the relevant information Please refer to the following table for a list of potential problems and solutions Table 14 Troubleshooting list Grid Fault PV Over Voltage DCINJ High Relay Fault Self Testing Fault IG3000 1 IG5000 1 Waiting for one minute grid will go back to normal working state Making sure that grid voltage and frequency complies with standards Or please seek for help from us Off to grid Please check grid connection like wire interface etc Checking grid usability Or seek
16. ion Status Fault Warning Status Figure 25 Power the present power fed into the grid Today Energy output to the grid during the present day and updated once every 10 minutes Total Sum of the total energy output to the grid and updated once every 10 minutes To ensure a safe operation of the inverter under any temperature and electrical condition the unit will automatically derate the power to be supplied to the grid Power accuracy disclaimer The display values may deviate from the actual values and must not be used as a basis for invoicing The inverter s measured values are required for the system management and to control the current to be fed to the grid The inverter does not have a calibrated meter IM Indicate Power No Derating lu Indicate Power Derating If the Power derating occurs the detailed reason will show in MESSAGE page Next to the Power status symbol the LCD displays operation condition Waiting Mode Self Testing Mode On grid Mode and Fault Mode Hi Indicate the inverter occur some faults and the detailed information will show in MESSAGE page If the inverter has no fault the symbol will disappear 7 2 2 Message Page MESSAGE Operation Condition Waitin g Power Derating reason symbol Warning or fault info Grid Figure 26 The system status is identified through the MESSAGE page the first line displays inverter operation condition Waiting Mode Self Testing Mode On grid Mode
17. llation altitude is higher than 2000m e Prone to be damaged by sea water e Close to corrosive gas or liquid for example locations where chemicals are processed or the location where feed lots of poultry e Exposed to direct sunlight e Prone to be damaged in flooding or icing time e Little air flow or high humidity e Exposed to steam vapor or water e Exposed to direct cool air e Close to the television antenna or antenna cable 6 2 Selecting the Installation location The installation method and mounting location must be suitable for the weight and dimensions of the inverter Select a wall or solid vertical surface which is able to support the PV Inverter Mount on a solid surface the mounting location must be accessible at all times Vertical installation or tilted backwards by max 15 The connection area must point downwards 14 The IG Series Inverter Do not install horizontally Figure 9 6 3 Preparation Below tools are needed before installation Figure 10 Installation Tools 6 4 Mounting the bracket Inverter requires adequate cooling space Allow at least 20cm space above and below the inverter Figure 11 The IG Series Inverter Using the mounting frame as a template drill 3 holes as illustrated in image T Figure 12 Fix the mounting frame as the figure shows Do not make the screws too close to the wall leaving 2 4mm exposed instead DAH H HESAP HH
18. rchase to the original purchaser 34 The IG Series Inverter 12 Contact Inverter Go If you have any questions about Inverter GO series inverter please call service support hotline 1 718 577 1198 Please keep following information to better our service for you Please note and advise below information to us before inquiry for better service a Inverter s Model b Inverter s Serial No c Communication Method d PV Modules Model Inverter Go 35
19. t be carried out by qualified personnel only The inverter is forbidden to be operated by children or persons with limited physical or mental capabilities persons who lack of experience and knowledge can only operate the inverter under the condition of being given supervision or instruction Children should be supervised to ensure that they do not play with the inverter Caution Danger of burn injuries due to hot enclosure parts During operation the upper lid of the enclosure and the enclosure body may become hot Only touch on the lower enclosure lid is allowed during operation Caution Possible damage to health as a result of the effects of radiation Do not stay closer to the inverter beyond 20cm is available for a long time Note Grounding the PV generator INVERTER GO Power recommends PV modules have an IEC 61730 Class A rating Please don t connect the PV modules to The IG Series Manual 1 3 3 Glossary of Symbols This section gives a glossary of all the symbols shown on the inverter and the type label e Symbols on the inverter Danger to life due to high voltages in the inverter There would be residual voltage in the inverter The inverter requires 1 minute to discharging e Wait for 5 minutes before you open the upper lid or the DC lid Beware of hot surface The inverter may become hot during operation Avoid any contact to the surface during operation Danger of high
20. verter 7 2 3 In amp Out page The inverter parameters will be displayed in this page IN amp OUT Figure 27 1G1000 1 IG2000 1 IG3000 1 Figure 28 1G4000 1 IG5000 1 OUTPUT Figure 29 1G4000 1 1G5000 1 Vpv Voltage for Panel array lov Current from Panel array Vpv1 Voltage for Panel array 1 lpv1 Current from Panel array 1 Vpv2 Voltage for Panel array 2 lpv2 Current from Panel array 2 Vgrid Grid Voltage Fgrid Grid frequency lout Current exported to the grid Vbus DC bus voltage of the inverter 7 2 4 Power Chart Page 25 The IG Series Inverter POWER CHART Figure 30 Daily generating capacity will be displayed in this page 7 2 5 Information Page INFORMATION SN SFXXXXXXXXXXX SwVer V100V100 Inverter Go WWW Invertergo Figure 31 SN provides the production No of the inverter SwVer provides the production Firmware version of the inverter 7 2 6 Setting Page SETTING Country XXX XX Lang English Addr 1 Mode PV Mppt Date yy MM dd Time hh mm ss Figure 32 Country The Grid Standard of the Inverter can work GER 11 DIN VDE V 0126 1 1 2006 A1 2011 AUS 11 AS 4777 2005 GBR 12 G83 Issue 2 August 2012 GBR 22 G59 Issue 2 August 2010 GER 21 VDE AR N 4105 2011 08 VDE 0124 100 2012 07 Mode Work mode of the Inverter It includes PV Mppt IG1000 2000 3000 1 26 The IG Series Inverter IN1 amp IN2 IG1000 1 IG20
21. voltages Danger to life due to high voltages in the inverter Risk of electric shock Only authorized personnel is allowed to set the DIP switch SW1 Requests the user to consult the manual Indicates caution followed by important instructions Equipment grounding conductor AC voltage You can operate the interface by tapping on it Tapping once The background illumination switches on Tapping again Recovery and recycling The IG Series Manual eSafety precaution When using the product please do remember the below information to avoid the fire lightning or other personal injury Warning Ensure that input DC voltage is less than Max DC voltage Over voltage may cause permanent damage to inverter or other losses which will not be included in warranty This chapter contains important safety and operating instructions Read and keep this operation Guide for future reference The IG Series Inverter Warning Authorized service personnel must disconnect both AC and DC power from the IG series inverter before attempting any maintenance or cleaning or working on any circuits connected to the IG series inverter Warning The photovoltaic array is exposed to sunlight it supplies DC voltage to the inverter The IG Series Inverter 2 Introduction 2 1 Overview Figure 2 Stereogram 2 2 Electrical Block Diagram e Electrical block diagram pepe cic MPPT INVE
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