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1. nennen 22 6 MAINTENANGE oe ees 22 7 TROUBLE SHOOTING eet hb aides 23 8 SPECIFICATIONS sese 24 9 JFY tech WARRANTY essere 26 10 JFY tech CONTACT INFORMATION 28 www JFY tech com 1 OVERVIEW 1 1 Machine Overview Control and display panel AC terminals cover AC terminals is inside Front View Bottom View GRID CONNECTED INVERTER EE Fig 1 Overviews of inverter www JFY tech com Opening the package After opening the package please check the contents of the box It should contain the following accessories Item Quantity 1 Solar inverter 1pcs 2 Mounting frame 1pcs 3 Mounting screws and blocks 6pcs 4 Safety lock screws 2pcs 5 Socket head wrench 1pcs 6 DC socket assembly 2set 7 Instruction manual 1 5 8 Monitor software CD 1pcs 9 Warranty sheet 1pcs SUNTWINS xxxxTL series include SUNTWINS 3300TL SUNTWINS 4000TL SUNTWINS 5000TL www JFY tech com 2 INSTALLATION WARNING The electrical installation of SUNTWINS inverter must be performed in compliance with applicable local and national standards and laws WARNING The connection of SUNTWINS inverter to the AC grid must be performed only after receiving authorization from the utili2. 13 www JFY tech com 2 7 AC output protective device A For model SUNTWINS 5000TL the AC output side should be in series a over current protective device which rated 32A max rated breaking capacity 6KA B For model SUNTWINS 4000TL the AC output side should be in series a over current protective device which rated 25A max rated breaking capacity 6KA C For model SUNTWINS 3300TL the AC output side should be in series a over current protective device which rated 20A max rated breaking capacity 6KA 3 CONTROL PANEL FUNCTIONS There is an LCD screen two LEDs and one function key on the front of the solar inverter The LCD and LED provide you with details of the status of your Inverter You also can use this Function key as a simple control A B Fig 9 Control panel gt LCD Screen Display the operating data and situations warning error codes and information The model of inverter for example SUNTWINS 3300TL ALARM LED Indicates the fault of inverter POWER LED Indicates the inverter is running normally moo w Function Key Used to set different parameter and display language for the inverter F Description of inverter Note To save power the LCD display s backlight automatically turns off after 10 seconds 14 www JFY tech com 3 1 Operate the Function Key To view the operating data of the inverter you can press the Function Key Of course the data also will automatically and periodicall
3. 97 5 Euro efficiency 96 5 96 8 MPPT efficiency 99 6 99 6 General Data rie ae 345 152 435 345 152 435 Weight 16 5 17Kg Operating 25 460 25 460 grid voltage range and frequency range depend local standards 24 www JFY tech com Model SUNTWINS 5000TL Parameter Input Data Max DC power 5200W Max DC voltage 500V MPPT operating 1004 4509 voltage range Number of parallel inputs Number of MPP 5 trackers Max input current 30A total Output Data Nominal AC output 4950W power Max AC power 5000W Max output current 25A AC grid voltage range 206 255 270Vac AC grid frequency range 49 25 50 75Hz Power factor cos gt 0 99 diel AC connection Single phase Max efficiency 97 5 Euro efficiency 96 7 MPPT efficiency 99 6 General Data Dimensions W D H 345 152 435 Weight 18Kg Operating 25 60 temperature range AC grid voltage range and frequency range depend on local standards 25 www JFY tech com 9 JFY tech WARRANTY Warranty Policy Warranty Period The SUNTWINS Series PV Grid tied inverters provided by Shenzhen JingFuYuan Tech Co LTD abbr JFY tech have 60 month warranty period The system accessories provided by JFY tech have 24 month warranty period Warranty Time Start From the date that you
4. then DC Switch to the terminals of inverter please make sure the polarity is correct Incorrect polarity connection could permanently damage the unit Please confirm short circuit current of the PV string The total short circuit current of the PV string should be less than the inverters maximum DC input current E High voltages exist when the PV panel is exposed to the sun To reduce risk of electric shock avoid touching live components and treat connection terminals carefully F To avoid the Electro Magnetic Interference of inverter to the surrounding equipment the following right connecting way be recommended Breaker Breaker 1 AR em A i em i P d N1 iN iind ev Pd A e P d il ax CG Parua 4 T xen ins 4 Breaker2 ER Breaker2 C ESO PV2 EN PV2 i T e re IN2 NT IN2 NI TE oe qo O e72 xe O 282 Not Suggest e IN1 ES ex V S 1 Breaker2 mm e 6 2 LES e 2 31 7 Sa in Note Ensure that photovoltaic field voltage polarity matches the and symbols Before connecting SUNTWINS inverters with the photovoltaic field JFY tech recommends to check using a proper gauge that the polarity value and the voltage allowed value between positive and negative contacts are correct on
5. when DC power from the PV strings is sufficient Once the solar inverter starts it enters one of the following 3 states in turn Standby The PV string can only provide just enough voltage to minimum requirements of the internal controller unit Waiting When the PV string DC voltage is greater than 100V The inverter enters a waiting state and attempts to connect to the grid Normal When PV string DC voltage is greater than 150V Inverter operates in the normal state The Inverter will keep MPPT function and deliver power to AC Grid when it is in normal operation Maybe it will stop under the situation of low input DC power Don t worry it will automatically restart again when DC power from the PV string is sufficient Error or Warning status Inverter is designed to be user friendly therefore the error or warning status of the Inverter can be easily understood by reading the information shown on the front panel display All possible messages are shown in the following table DISPLAY COMMENTS System fault Auto Test Failed Auto Test does not pass 18 www JFY tech com WO01 No grid No Utility No Grid Connect WO02 Vin overvoltage PV panel Voltage is too high E01 Isolation error Insulation Problem of PV panel E02 lleak error GFCI Fault leakage current is too high E03 Grid fault Grid voltage frequency is out of range Inverter fault E04 Cohere
6. amplitude according to the PV Panel power supply Inverter always tries to convert the maximum power from your PV panel s C DC Switch and AC Switch DC switch is between PV Panels and solar inverter while AC Switch is between AC Grid Utility and solar Inverter They are be simplified in this diagram In fact they may consist of electrical breaker fuse and connecting terminals To comply with local safety standards and codes the connection system should be designed and implemented by a qualified technician JFY tech also provides the solar inverter with an integrated DC switch demonstrated in dashed border in Fig 6 S suffix indicates the inverter is integrated a DC switch in PV input side D AC Grid Utility Referred to as grid in this manual is the way your electric power company provides power to your place Please note that Inverter can only connect to low voltage systems namely 220 230Vac 50Hz Note JFY tech provides an integrated switch box that includes DC switch AC switch DC fuse AC fuse DC SPD and AC SPD devices as an option Of course you can get similar switch box from your local market Fig 7 Connections available on inverter bottom and relevant marking E PV INPUT Connected to PV Panels by MCA terminals for each channels F RS232 Connected to monitoring computer by special RS232 cable provided by JFY tech 11 www JFY tech com G RS485 daisy chain communication for one or more inver
7. cient power generated to operate the control circuits not a trouble If you can not solve the trouble with above procedures Please contact your local dealer or service personnel Before contacting the authorized local dealer or service personnel please find and keep at hand the following information Information of SUNTWINS inverter Inverter Model Serial Number Week of manufacture Which LED is red Which warning error is displayed Do you notice whether warning error can be repeated In formation of the PV array 1 The model and manufacturer of the PV panels 2 Number of strings in the PV array and number of panels per string 23 www JFY tech com 8 SPECIFICATIONS Model SUNTWINS 3300TL SUNTWINS 4000TL Parameter Input Data Max DG power 3450W 4160W Max DC voltage 500V 500V operating 100V 450V 100V 450V voltage range Number of 2 2 parallel inputs Number of MPP 2 2 trackers Max input current 20 26 total Output Data Nominal AC output 3300W 4000W power Max AC power 3300W 4000W Max output current 16 5A 20A AC grid voltage range 206 255 270Vac 206 255 270Vac AC grid frequency range 49 25 50 75Hz 49 25 50 75Hz temperature range Power factor cos gt 0 99 gt 0 99 THDI at nominal lt 3 lt 3 output power X i AC connection Single phase Single phase Max efficiency 97 3
8. ctor part of input or output terminals of the inverter after it is disconnected from the output of PV panel and AC grid There is a fuse in our units For continued protection against risk of fire replace only with same type and ratings of fuse The replacement should be done by qualified service personnel gt The installation of inverter must be performed in full compliance with the National Wiring Rules of Standard AS NZS 3000 and other relative local standards and regulations No spare parts in package box To avoid risk of electric shock Do not remove machine cover No user serviceable parts inside Refer servicing to qualified service personnel Please contact your reseller if you need to know the nearest authorized repair center or qualified service personnel As a qualified service personnel you should know both ac and dc voltage sources are terminated inside this units Each circuit must be individually disconnected before servicing Read and understand all the instructions contained in this manual and become familiar with the safety symbols in the relevant paragraphs before you install and commission the equipment The connection to the AC grid must be done only after receiving approval from the administering authority as required by national and state interconnection regulations and can be done only by qualified personnel www JFY tech com gt Keep the whole surface of the photovoltaic panel covered with material opaqu
9. dout view of the display and the LEDs Select a well ventilated place sheltered from direct sun radiation Choose a place that allows fluent air flow around the unit Allow sufficient room around the unit to enable easy installation and removal of the object from its mounting surface The following figure shows the recommended minimum clearances around the inverter www JFY tech com Fig 2 Installing minimum clearances around inverter 2 3 Fixed on the wall Step1 Drill 6 or 9 holes as illustrated in the Fig 3 Step2 Fix the mounting frame as illustrated in the Fig 4 by the screws then hang the inverter on the mounting frame Step3 Fix safety lock screws at left side and right side as illustrated in Fig 5 with the attached socket head wrench Step4 Check the installation conditions 6 8 28 13 r3 240 323 Fig 3 The size of mounting frame For SUNTWINS 3300TL SUNTWINS 4000TL and SUNTWINS 5000TL www JFY tech com at Fig 4 Hang inverter to mounting frame ap Fig 5 Fix safety lock screws The customer is encouraged to perform the following checks Do not install the solar inverter on a gradient surface Check the upper straps of solar inverter and ensure it to fit on to
10. e to solar radiation before connecting panel to equipment this will ensure that no dangerous high voltage is present at the connection cables This unit is designed to feed power to the public power grid utility 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 By the way we have special types for these applications If you are interested please contact your local dealer gt 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 solar inverter or nearby surfaces while Inverter is operating By the way keep it away from any flammable objects gt This version of SUNTWINS inverters shall be used with panels connected in a floating way i e with positive and negative terminal not connected to the ground The equipment is provided with several labels some of them with a yellow background which are related to safety issues Make sure to read the labels and fully understand them before installing the equipment The symbols are Equipment grounding conductor Main grounding protective earth PE Alternate Current AC value Direct Current DC value Phase i amp Grounding Earth To avoid risk of electric shock from energy stored in capacitor please wa
11. erter connection State Connect OK Connect to Grid Exx System error code Fault State Wxx System warning code Auto Test State Auto Testing Protection auto test Program State Programming Update Software Main Operating Messages In LCD STATE DISPLAY CONTENT COMMENTS JFY TECH Abbr company name WWW JFY TECH COM 4 5 website SUNTWINS xxxTL The inverter model Ver Jx x The FW version Normal Operation SN The Serial Number Etoday xx xkWh The energy today Etotal xxxxkWH The total energy in lifetime Pac xxxx xW The output power of inverter lac xx xA The output current of inverter 17 www JFY tech com Vac Xxx xV The grid voltage Fgrid xx xHz The grid frequency Vdc xxx xV The PV input voltage AS4777 Comply with main standard English Current selected language Contrast x LCD Contrast Fgrid xx Hz The grid frequency Note 4 INVERTER START UP AND OPERATION WARNING Do not place any items on SUNTWINS inverter during operation When the inverter is operating do not touch the heat sink since some parts may become very hot Step 1 Ensure that the AC cable and DC cable is connected correctly unused DC plugs and AC terminal cover are sealed Step 2 Connect the DC and AC switches The inverter starts up automatically
12. get goods from our distributors Warranty Evidence The Purchasing Invoice from the distributors amp Product Series No Note JFY tech will count from 2 months later according to ex factory date as the warranty start time if client fails to provide the purchasing invoice and other documents Scope Any damages that occur during the WARRANTY PERIOD will be evaluated by Distributor and JFY tech to define its scope and responsibility Warranty Principles To provide better service to JFY tech s end users all JFY tech s authorized distributors are requested to respond to end users warranty claim and the authorized distributors will replace any products or parts of the product during the warranty period proved to be defective in design or manufacture The following cases will be excluded from the warranty the Distributors are liable for investigation of the following 1 Warranty Card not being sent back to distributor or JFY tech 2 Product modified or design changed or parts replaced not approved by JFY tech 3 Modifications changes or attempted repairs and erase series number or seals by non JFY tech s technician 4 Incorrect installation or commissioning 5 Failure to observe the applicable safety regulations AS4777 standards etc 6 The Product has been improperly stored and damaged while being stored by the end user 7 Transport damage Painting scratch caused by shipping pumping It should declare to ins
13. he chain JFY tech provide a special RJ45 socket with terminal resistor and a vacant RJ45 Socket in the attached accessories When the inverter is not the last one in the chain please draw out the terminal resistor and use it as a vacant RJ45 socket In order to ensure that the communication on the RS485 line is very safe JFY tech recommends connecting an isolating RS232 485 adapter between the first inverter in the daisy chain system and the computer Of course non isolating RS232 485 adapter can also work The following diagram shows how to connect multiple inverters in a daisy chain configuration RS 485 1st Unit RTN 9 RS 232 485 ADAPTER TTR 18 2nd Unit RS 232 9 4 RIN IR 1 r 3rd Unit Last Unit 120 TR ohm Fig 12 Multiple daisy chain connection 21 www JFY tech com NOTE The RS485 link supports up to 31 inverters NOTE The RJ45 socket with120Q terminal resistor should be installed at the last inverter in the chain Even if there is only one inverter the 120Q terminal resistor is also necessary 5 3 Monitor Inverter After RS232 or RS485 link is connected correctly open JFY monitoring software JFY communicator that is installed from the attached CD the user can monitor the inverters The right side of the main interface is the detailed information of in
14. it for at least 5 minutes to access the conductor part of input or output terminals of the inverter after it is disconnected from the output of PV panel and AC grid Caution The temperature of metal enclosure may be high during operation gt c 4 www JFY tech com CONTENT 1 OVERVIEW NREN R RENDE E RR 6 2 INSTALLATION 5 oye ed 8 2 1 Package inspection er Eee teens 8 2 2 Selecting the place of installation 8 2 9 Fixed eese tete inte esee 9 2 4 System diagram and connection label 10 2 5 Connecting to the AC grid utility 12 2 6 Connecting to PV Panel DC input sss 13 2 7 AC output protective device 14 3 CONTROL PANEL 14 3 1 Operate the Function Key 15 3 2 General LCD Display Information 17 4 INVERTER START UP AND OPERATION 18 5 COMMUNICATIONS sees eene 19 5 1 Data communications with 5232 19 5 2 Data communications with RS485 19 5 2 1 HS485 Serial POPs iiin a 19 5 2 2 45 Connectors sees 20 5 2 8 RS485 Daisy Chain sss 20 5 3
15. nce error Consistent Fault E05 Overtemperature Internal temperature abnormal E06 Relay failure Output relay Fault E07 DCinj failure Output Current DC Offset too high E08 EEPROM failure EEPROM Fault E09 Com failure Communication Fault E10 DC bus OV DC Bus over voltage E11 DC bus UV DC Bus under voltage E12 Vref error 2 5V Reference Voltage Fault E13 DC sensor fault DC current sensor fault E14 GFCI failure GFCI Device is damaged 5 COMMUNICATIONS 5 1 Data communication with RS232 e _ 4 8 Fig 10 RS232 serial port Open the cover of RS232 serial port connect solar Inverter and computer by RS232 cable By the way the communication distance should be below 10m If your computer doesn t have any RS232 port only has USB ports please buy a RS232 USB converter for the communication in the local market 5 2 Data communication with RS485 optional 5 2 1 RS485 Serial Port 19 www JFY tech com The RS485 is used for several inverters communication Ethernet cable is applied to connect each inverter herein Only three cables in ethernet cable are applied two signal ones and one for ground connection Fig 11 The waterproof RJ45 socket and connectors for RS485 port To help installation the inverter features two RJ45 sockets to separate input ethernet cable from output ethernet cable 5 2 2 RJ45 Connectors The RS485 serial connection whether single unit or several inverters as daisy chain can be pe
16. of re installation is necessary the end customers need to negotiate with the distributors in advance All warranty services in warranty period are free of charge 27 www JFY tech com 10 JFY tech CONTACT INFORMATION Shenzhen JingFuYuan Tech Co LTD ADD 5 Floor 12 Block Nangang Second Industrial Park Nanshan District Shenzhen P R China Tel 86 755 26632536 Fax 86 755 26505986 Email support jfy tech com 28
17. rformed by means of the RJ45 connectors See Fig 11 It makes no difference if its sockets is no 1 or no 2 since they are connected in parallel and signals are thus the same One socket is for input ethernet cable with RJ45 connector another socket is for output ethernet cable with RJ45 connector The output ethernet cable reaches the following unit RS485 pin definition is as follows RJ45 connectors Ree Pin Signal Se Pin 1 Description E 1 Not Used se 2 Not Used rt sr Signal Return 3 RTN Common reference for logical signals 4 Not Used 5 Not Used 6 Not Used Data Line 7 AR Required for RS485 communication Data Line 8 RIR Required for RS485 communication NOTE You can buy T 568B standard Straight Through ethernet cable to connect two adjacent inverters in local market Of course you can do it by yourself and remember the ethernet cable is Straight Through 20 www JFY tech com 5 2 3 RS485 Daisy Chain RJ45 connectors may be used to connect a single SUNTWINS inverter or multiple SUNTWINS inverters daisy chained together Up to 31 inverters can be daisy chained Recommended maximum daisy chain length is 1000m With multiple daisy chained inverters each unit will be automatically assigned a RS485 address with JFY monitoring software The RJ45 socket with1 200 terminal resistor should be installed at the last inverter in t
18. ters H AC TERMINAL three blocks in right hand Connected to AC Grid 2 5 Connecting to the AC Grid Utility A Measure AC grid utility voltage and frequency It should be 230VAC or 220VAC 50Hz and single phase Open AC Switch between solar inverter and AC Grid Utility Open AC terminals cover and connect AC wires on AC terminals as follows OW L N PE 9 Fig 8 AC terminals under terminals cover Recommended AC wires Model Diameter mm Cross AWG SUNTWINS 330011 2 05 3 31 12 SUNTWINS 4000TL 5000TL 2 59 5 27 10 2 6 Connecting to PV Panel DC input A Under any condition Make sure the maximum open circuit voltage Voc of each PV string is less than 500VDC for SUNTWINS 3300TL SUNTWINS 4000TL and SUNTWINS 5000TL The length of input wire must be less than 30m By the way generally in the lowest ambient temperature of your installing field the Voc of PV string is the highest B Use MC4 Multi contact connectors for PV array terminals To ensure maximum output power we recommend to choose two groups of independent PV array for inverter DC input terminal 12 www JFY tech com C Open DC Switch and Connect the positive and negative terminals from the PV panel to DC switch then to positive terminals and negative terminals on the solar inverter Each DC terminal on inverter can withstand 20Adc D When connecting PV panels to DC Switch
19. the bracket Ensure safety lock screws M5 socket head cap screws to insert into the mounting frame through inverter s heat sink Check the secure mounting of the solar inverter by trying to raise it from the bottom The solar inverter should remain firmly attached Choose a strong mounting wall to prevent vibrations while inverter is operating VYY 2 4 System Diagram and Connection Label The SUNTWINS series are a single phase solar inverters with two channels input of MPPT They are responsible for converting the direct current generated by PV panels into single phase 230Vac 50Hz alternating current for delivery into the AC grid The SUNTWINS series can be used in an on grid PV system to produce electricity The installation of the SUNTWINS series and their connection to the AC grid shall be done in accordance with local regulations and may require the installation of adequate electricity consumption measuring devices 10 www JFY tech com The SUNTWINS series only operates when it is connected to the AC grid and can not operate as a stand alone unit The simplified connection diagram of the inverter is as follows The inverter with integrated DC switch AC Grid Power Heter Fig 6 The PV system diagram A PV Panels Provide DC power to inverter B Solar inverter Converts DC Direct Current power from PV panel s to AC Alternating Current power Because Inverter is grid connected it controls the current
20. ty that operates the grid 2 1 Package Inspection The customer is encouraged to perform the following checks Inspect the package box for apparent damage such as holes cracking or any sign of possible damage to its contents Describe any damage or shortage on the receiving documents and have the carrier sign his her full name Open the package box and inspect the contents for internal damage While unpacking be careful not to discard any equipment parts or manuals If any damage is detected call the delivering carrier to determine the appropriate action Save all shipping material for the event the carrier sends an inspector to verify damage If the inspection reveals damage to the inverter please call your local supplier or the authorized distributor They will determine if the equipment should be returned for repair They will also provide instructions on how to get the equipment repaired It is the customer s responsibility to file a claim with the carrier Failure to file a claim with the carrier may void all warranty service rights for any damage Carefully store the original packaging of SUNTWINS inverter since it shall be used in case it is necessary to ship it for repair 2 2 Selecting the place of installation Place of installation should be selected based on the following considerations SUNTWINS inverters shall be set at a suitable height from the ground to enable easy rea
21. urance company as soon as containers unload with enough evidence 8 Failure to observe the user manual the installation guide and the maintenance regulations 9 Incorrect use or inappropriate operation 10 Insufficient ventilation of the device 26 www JFY tech com 11 The maintenance procedures relating to such product have not been observed or performed to an acceptable standard 12 Force majeure e g lightning overvoltage storm fire Claims that go beyond the rights cited in the warranty principles in particular claims for compensation for direct or indirect damages arising from the defective device for compensation for costs arising from disassembly and installation or loss of profits are not covered by JFY tech s warranty insofar JFY tech is not subject to statutory liability Warranty Claim Procedure Please report defective devices with a brief error description to the JFY tech s distributors If we agree to a replacement we generally send an equivalent replacement device according to model and age the remainder of the warranty entitlement will be transferred to the replacement device In this case you do not receive a new certificate since your entitlement is documented at JFY tech The replacement will be packaged appropriately for transport and shipped out within 2 working days The defective device is to be packed in this transport packaging for return transport to the distributor If the on site service
22. verter As to more detailed setting methods and other functions please refer to JFY communicator user s manual in the CD 6 MAINTENANCE The inverter is maintenance free Take it easy for its daily operation 22 www JFY tech com 7 TROUBLE SHOOTING In most situations the Inverter requires very little service However if Inverter is not able to work perfectly please refer to the following instructions before calling your local dealer or service personnel If any problems arise the Alarm LED on the front panel will be red and the LCD displays the relevant information Please refer to the following table for a list of potential problems and their solution DISPLAY HOW TO DO No any display in LCD or LED Check PV input connections W01 No grid Check grid connection cables Check the Voc of PV string see if it is greate WO02 Vin overvoltage than or too close to max input DC voltage o relative inverter type Check the impedance is between PV amp PV E01 Isolation error and the PV Inverter is earthed impedance must be greater than 2 The leakage current is too high Unplug the E02 lleak error inputs from the PV string and check the peripheral AC system Make sure grid voltage and frequency meet the specifications E03 Grid fault NOTE During periods of little or no sunlight the solar inverter may continuously start up and shut down This is due to insuffi
23. www JFY tech com Solar Inverters INSTALLATION AND OPERATOR S MANUAL Model number SUNTWINS xxxxTL series for Australia Rev 1 1 www JFY tech com REVISION TABLE Document Author Date Change Description Revision 1 0 Falcon Tang 10 08 2011 First release 1 1 Falcon Tang 12 09 2012 Cancel the accessory of special RS 232 cable 211100 AN SAVE THESE INSTRUCTIONS AN IMPORTANT SAFETY INSTRUCTIONS JFY tech Reproduction and disclosure of the contents of this manual are strictly forbidden without prior authorization of JFY tech www JFY tech com General notes The SUNTWINS is a transformerless solar inverter with two channels input of MPPT and it converts the DC current of PV generator to AC current and feed it into the public grid When you chose it you have opted for reliable and powerful technology With protection class IP65 the units are ready for use in all environmental conditions and high efficiency meets your requirements GENERAL PRECAUTIONS For your own safety and that of the unit you must read and understand the instructions contained in this document before starting to work Keep these instructions in a place accessible to all the personnel who work with the unit so that these may be consulted Only professional technician may install and operate our units WARNING To avoid risk of electric shock from energy stored in capacitor please AN wait for at least 5 minutes to access the condu
24. y display To set different display contrast and display language for the inverter please carefully refert to the following chart 15 www JFY tech com AS4777 SN XXXXXXXXXXXXX Press function key Etoday xx xkWh Pac xxxx xW Press function key y Etotal xx xkWh Pac xxxx xW Press function key Vac xxx xV Pac xxxx xW Press function key Vdczxxx x xxx x V Pac xxxx xW Press function key Tac xx xA Pac xxxx xW v Fgrid xx xHz Pac xxxx xW Press function key y SUNTWINS XXXXTL Ver E1 00 Press function key Date Hour xx xx xx Press function key Normal Pac xxxx xW Press function ke n 5 Press key adjust Contrast Press function key Contrast contrast value Contrast 04 5 seconds Contrast 04 Press function key Y Language English Press function key Y AS4777 SN XXXXXXXXXXXXX 16 To lockup or unlock display message as follows www JFY tech com fac xxx A Pac xxxx Lock xxxx xW 7 Tac xxx A Pac xxxx x W Fgrid xx x Hz Pac xxxx xW 3 2 General LCD Display Information State Message In LCD STATE DISPLAY CONTENT COMMENTS Wait State Standby PV input voltage low Waiting Initial waiting Connect in xxS System checking Reconnect in xxS System checking Inv
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