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GOODWE SEMS PORTAL
Warranty
User Manual for GOODWE models including: XS Series Single Phase 2 MPPT Small Residential Solar Inverter, XS Series, Single Phase 2 MPPT Small Residential Solar Inverter, Residential Solar Inverter, Small Solar Inverter, Solar Inverter, Inverter, Residential Inverter
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DocumentDocumentSEMS Portal App LinkedIn Company's Offical Website 340-00596-00 GOODWE (China) No. 90 Zijin Rd., New District, Suzhou, 215011, China sales@goodwe.com (sales) service@goodwe.com (service) GOODWE (Germany) Fürstenrieder Str. 279a 81377 München, Germany sales.de@goodwe.com service.de@goodwe.com GOODWE (Brazil) Rua Abelardo 45, Recife/PE, 52050-310 sergio@goodwe.com servico.br@goodwe.com GOODWE (Netherlands) Franciscusdreef 42C, 3565AC Utrecht, the Netherlands sales@goodwe.com service.nl@goodwe.com GOODWE (UK) 6 Dunhams Court, Dunhams Lane, Letchworth Garden City, SG6 1WB UK enquiries@goodwe.com.uk / service@goodwe.com.uk GOODWE (India) 1202, G-Square Business Park, Sector 30A, Opp. Sanpada Railway Stn., Vashi, Navi Mumbai- 400703 sales@goodwe.com / service.in@goodwe.com GOODWE (Italy) Via Cesare Braico 61, 72100 Brindisi, Italy valter.pische@goodwe.com (sales) operazioni@topsenergy.com; goodwe@arsimp.it (service) GOODWE (Turbutton) Adalet Mah. Megapol Tower K: 9 No: 110 Bayrakli - Izmir info@goodwe.com.tr service@goodwe.com.tr GOODWE (Australia) Level 14, 380 St. Kilda Road, Melbourne, Victoria, 3004, Australia sales@goodwe.com / service.au@goodwe.com GOODWE (Mexico) Oswaldo Sanchez Norte 3615, Col. Hidalgo, Monterrey, Nuevo Leon, Mexico, C.P. 64290 sales@goodwe.com / soporte.latam@goodwe.com GOODWE (Korea) 8F Invest Korea Plaza, 7 Heoleung-ro Seocho-gu Seoul Korea (06792) sales@goodwe.com / Larry.Kim@goodwe.com Note: The information above is subject to change without prior notice, for details refer to www.goodwe.com XS SERIES USER MANUAL SOLAR INVERTER Version 2.4 Date 2021/08/16 1 Symbols .............................................................................................................................. 01 2 Safety Measures & Warning ....................................................................... 02 3 Product Introduction ........................................................................................ 04 3.1 Inverter Overview ...................................................................................................................... 04 3.2 Package ....................................................................................................................................... 05 4 Installation ..................................................................................................................... 06 4.1 Mounting Instructions ............................................................................................................... 06 4.2 Equipment Installation ............................................................................................................. 06 4.3 Electrical Connection ................................................................................................................ 08 4.4 Communication Connection ................................................................................................... 12 5 System Operation .................................................................................................. 18 5.1 LCD Panel .................................................................................................................................... 18 5.2 User Interface And System Configuration .............................................................................. 18 5.3 Error Message .............................................................................................................................. 24 5.4 Wi-Fi Reset & Wi-Fi Reload ........................................................................................................ 24 5.5 Precaution For Initial Startup .................................................................................................. 25 5.6 Special Adjustable Setpoints ................................................................................................... 25 6 Troubleshooting ...................................................................................................... 28 7 Maintenace .................................................................................................................... 30 8 Technical Parameters ..................................................................................... 31 1 Symbols Failure to observe a warning indicated in this manual may result in injury. Recyclable materials Danger of high voltage & electric shock This side up - The package must always have the arrows point up Don't touch, hot surface! 8 No more than eight (8) identical packages be stacked on each other. Special disposal instructions Fragile Keep Dry Refer to operation instructions Wait at least 5 minutes after disconnecting the inverter before touching internal parts 5min CE mark. 01 2 Safety Measures & Warning The XS-Series strictly conforms and has been tested according to international safety regulations. GOODWE strongly advises installers to follow the local safety regulations during the commissioning, operation and maintenance of the XS-Series inverter. An improper operation may result in electric shocks or damage to equipment and property. · The installation, maintenance and connection of the inverters must be performed by qualified personnel, in compliance with local electrical standards, regulations and following the regulations of the local power suppliers, companies and related authorities. · To avoid electric shocks, the DC input and AC output port of the inverters must be disconnected and wait at least 5 minutes before performing any installation or maintenance. · The temperature of some components of the inverters may exceed 60 during operation. To avoid being burnt, do not touch the inverter during operation. Let it cool before touching it. · Keep children away from the inverter. · Touching or changing inverter components without following the GOODWE's manual instructions may cause personal injury, damage the inverters and ultimately be a reason for warranty invalidation. · The electronic components of the inverter may be damaged by static electricity. Appropriate methods must be adopted to prevent such damage, otherwise the GOODWE's warranty may be void. · Make sure that the output voltage of the proposed PV array is lower than the maximum rated input voltage of the inverter; otherwise the inverter may be damaged and the warranty may be void. · When exposed to sunlight, the PV array generate dangerous high DC voltage; we strongly operators to strictly follow the GOODWE's instructions and avoid actions that put lives at risk. The PV modules should have as a minimum an IEC61730 class A rating protection. · If the equipment is used in a way not authorized by the GOODWE, the equipment built-in protections may be damaged. · In order to achieve a complete isolation of the equipment: Turn off the DC switch, disconnect the DC terminal, the AC terminal and the AC breaker · Do not insert or pull the AC or DC terminals when the inverter is in operation. · An earthing photovoltaic system requires the installation of an Arc Fault Detector on the DC side. The below bullet points are not understandable. Urgently review! · The inverter can exclude the possibility of DC residual currents to 6mA in the system, Where an external RCD is required in addition to the built-in RCMU, type A RCD must be used to avoid tripping. 02 · The PV is not grounded as default configuration. · Inverters should not be used in multiple phase combinations. To ensure that the IP65 protection is maintained, please make sure that the inverter is rigorously packed and its component sealed properly. The GOODWE strongly suggests to install the inverter at most one day after it has been unpacked. If this is not the case and the installation takes longer, please re-seal all the unused terminals and ensure that the inverter and its components are not exposed to water or dust. To our inverter product, GOODWE provides standard manufacture warranty which comes with the product and prepaid warranty extension solution to our customer. You can find the details about the terms and solution from below linkage. https://en.goodwe.com/warranty.asp 3 Product Introduction 3.1 Inverter Overview XS series inverter illustration. 1 2 345 6 7 1. DC Switch (Optional) 2. PV Input Terminals 3. WiFi/LAN Module Port (Optional) 4. CT & DRED/Remote Shutdown /RS485 Port (Optional) 8 5. AC Output Terminal 6. LCD 7. Indicator Light 8. Button Item Name 1 DC Switch (Optional) 2 PV Input Terminal WiFi/LAN Module Port 3 (Optional) CT & DRED/Remote 4 Shutdown/RS485 Communication Port 5 AC Output Terminal 6 LCD 7 Indicator Light 8 Button Description During normal operation it is in "on" state, it can shut down the inverter after it is disconnected from the grid by the AC breaker. For PV string connection For WiFi/LAN communication For CT and DRED & Remote Shutdown & RS485 Communication For AC cable connection Inverter operation data viewing and parameter configuration. Display the state of the inverter For configuration and viewing parameters. 03 04 3.2 Package The unit is thoroughly tested and strictly inspected before delivery. Damage may still occur during shipping. 1. Check the package for any visible damage upon receiving. 2. Check the inner contents for damage after unpacking. 3. Check the package list below. Inverter Wall-mounted Bracket Expansion Bolts Positive DC Plug Negative DC Plug or AC Terminal Terminal[1] Allen Wrench (VACONN AC Plug Only) PE Terminal Grounding Screw Text Information Communication Module Bluetooth Module (optional) [1] The terminal is used for CT/Remote Shutdown/RS485 function. 4 Installation 4.1 Mounting Instructions 1. In order to achieve optimal performance, the ambient temperature should be lower than 45. 2. For easy maintenance, we suggest to install the inverter at eye level. 3. Inverters should not be installed near flammable and explosive items. Strong electro-magnetic charges should be kept away from installation site. 4. Product label and warning symbols should be placed at a location that is easy to read by the users. 5. Make sure to install the inverter at a place where it is protected from direct sunlight, rain and snow. Keep away Keep it clear from sunlight Keep dry of snow Sun Rain Accmulated snow 4.2 Equipment Installation 4.2.1 Select installation location Please take the following points into consideration when you are selecting a proper location to install inverter. · Please choose appropriate mounting methods and installation location in terms of weight and dimension of inverter. · The location must be well ventilated and sheltered from direct sunlight. · Install inverter vertically or with a backward tilt within 15 degrees. No lateral tilt is allowed. The inverter should not be tilted sideways. The area of the connectors should point downwards. Max 15° 05 06 To allow for a dissipation of the heat and in order to facilitate dismantling, the space around the inverter should allow for some clear spaces. The spacing around inverter should met the requirements as illustrated in below figures for the sake of heat dissipation and demounting. 200mm 300mm 200mm 300mm Upward-------------- 300mm Downward---------- 500mm Front ----------------- 300mm Both sides ---------- 200mm 500mm 4.2.2 Mounting procedure 1. Use the wall-mount bracket as a template and drill holes with 10mm in diameter and 80 mm in depth on the wall. 2. Fix the wall-mount bracket on the wall with the expansion bolts in the accessories bag. 3. Hold the inverter by the side groove. 4. Mount the inverter onto the wall-mount bracket. Mounting Bracket Expansion Pipe 20mm 85mm 170mm Self-tapping Screws 07 4.3 Electrical Connection 4.3.1 Connection To The Grid (AC Side Connection) 1. When connecting the inverter make sure to adjust the voltage and the frequency in compliance with the grid regulations and the specifications of the GOODWE. 2. Add a breaker or fuse to the AC side. Please note that the specification should be more than 1.25 times of rated AC output current. 3. The PE line of the inverter should be connected to earth. Make sure the impedance of neutral wire and earth wire is less than 10ohm. 4. Disconnect the breaker or fuse between the inverter and the utility. 5. Please note that there are two AC connector brands compatible with the inverters: VACONN and Exceedconn. Choose one of the to connect the inverter to the grid. 6. When laying the AC line make sure that the protective earthing conductor is not strained. Inverter are compatible with two brands of AC connector: VACONN and Exceedconn VACONN Series VACONN AC connectors installation instruction Tighten screw clockwise 8-10mm Exceedconn Inverter Material (Annealed copper wire) Tighten screw clockwise Tighten three screws and ensure no screw head exceeds the surface Exceedconn connectors installation instruction When unplugging the AC terminals, press the button and hold it to unlock 7-9mm unlock lock Torque 0.7~0.9N.m Make sure the terminal is rotated to the lock position before the inverter is started 08 AC cable specification A B C Grade Description Value A O.D. 10~12mm B Conductor Material Sectional Area 2.5~4mm2 Annealed copper wire C Bare Wire Length 10mm around * Neutral wire is blue, live wire is brown (preferred) or black and protective earth wire is yellow-green. * Rotate (tightening torque: 0.6N.m) the connector of AC cable into the corresponding terminal. 4.3.2 AC circuit breaker and leakage current protection device Please install an independent two pole circuit breaker to protect the inverter and make sure it is safe to disconnect it from the grid. In addition to the built-in RCMU, an external RCD is required to ensure that the inverter system does not carry DC residual currents. To avoid tripping, the types A can be used. Inverter Model GW700-XS/GW1000-XS/GW1500-XS GW2000-XS/GW2500-XS/GW3000-XS GW2500N-XS/GW3000N-XS /GW3300-XS/GW3KB-XS Recommended Circuit Breaker Specifications 16A 25A Note: it is not recommended that multiple inverters share a single circuit breaker. The integrated leakage current detection device of the inverter can detect external leakage current in real time. When the detected leakage current exceeds the limit value, inverter will quickly disconnect with the grid, if the leakage current protection device is installed externally, the tripping current should be 300mA or higher. 4.3.3 DC Side Connection 1. Before connecting the PV strings, please ensure the plug connectors have the correct polarity. Incorrect polarity has the potential to cause permanent damage to the unit. 2. The open circuit voltage of the PV strings cannot exceed the maximum input voltage of the inverter. 3. Only the GOODWE supplied DC connectors are suitable for use. 4. The positive and negative pole should not be connected to the PE wire (ground wire). Not following this instruction may cause damage to the inverter. 5. Do not connect the positive or negative poles of the PV string to the PE wire. Not following this instruction may cause damage to the inverter. 6. Red represents positive, black represents negative. 09 7. For the XS series the minimum insulation resistance to the ground of the PV panels must exceed 16.7k (R=500/30mA). There is risk of shock hazard if this minimum resistance requirement is not me. There are four types of DC connectors, DEVALAN, MC4, AMPHENDL H4 and QC4.10 series. DEVALAN SERIES MC4 SERIES AMPHENOL SERIES QC4.10 SERIES Note: The actual DC connector used is as shown in the accessory box. DC cable specification: A B C Please use solar PV cable in DC connection. (4mm PV1-F wire recommended) Label Description A External diameter of wire stock B Cross-sectional area of conductor material C Length of bare wire Value 4~5mm 2.5~4mm2 About 7mm The installation method of DC connector. Positive connector Inverter side MC4 & QC4.10 Negative connector DEVALAN & AMPHENOL Do not crimp wire into the limit buckle. Please use special tools to do crimping 10 4.3.4 Earth Terminal Connection The inverter is equipped with earth terminal according to the requirement of EN 50178. All non-current carrying exposed metal parts of the equipment and other enclosures in the PV power system must be grounded. Please follow the steps below to connect "PE" cable to ground. Step 1 Strip the wire insulation sheet of a suitable length with a wire stripper. L1 L2 = L1 + (1~2mm) Step 2 Insert the stripped wire into the terminal and compress it tightly by crimping pliers. Step 3 Fix the earth wire on the machine. In order to improve the corrosion resistance of the terminal, it is recommended to apply silica gel on the earth terminal for corrosion protection after the grounding cable assembly is completed. NO. Name Explanation A Cold-pressed terminal B Screw M5*14 (1~1.5Nm) C Green & Yellow Cable 4mm2 / 10AWG A B C 11 4.4 Communication Connection This port is used for connection of Wi-Fi or LAN module only. No connection to USB is allowed. Do not connect PC or other devices to this port. 4.4.1 Wi-Fi Communication Wi-Fi communication option is only applicable to Wi-Fi version inverter and Wi-Fi communication module is required. Please refer to "Wi-Fi Configuration Instruction" in the accessory box for detailed instruction. The WiFi module installation of XS series are shown as below. After the installation, confirm whether the indicator on the module is on. If the indicator is off, the module needs to be unplugged and installed again. Unlocking tool 4.4.2 LAN Communication LAN Communication is only application to LAN version inverter and LAN Communication module is required. 12 4.4.2 RS485 Communication RS 485 communication option is only applicable to RS485 version inverter and RS485 communication function is required. RS485 communication connection of XS series are shown as below. Step 1 Dismount the terminal in the accessory box. Step 2: Dismantle the resistor or shortcircuit cable. Step 3: Put the cable through the connector and connect to the terminal. For single inverter connection Please connect RS485 cables to 'RS485-' port (3 or 7) and 'RS485+' port (6 or 8). NO. Function 3 RS4857 6 RS485+ 8 2 3 1 5 4 8 6 7 RS485 2 3 1 5 4 8 6 7 RS485 For multiple inverter connection Please connect RS485 cables to 'RS485-' port (3 or 7) and 'RS485+' port (6 or 8). Note: When in multi-machine parallel, please ensure that terminals at both ends of the 2-pin cable are connected with the same polarity. NO. Function 3 RS4857 6 RS485+ 8 2 3 1 5 4 8 6 7 RS485 2 3 1 5 4 8 6 7 RS485 Step 4: Connect the terminal to the right position onto the inverter. 13 14 4.4.3 Export Power Limit Connection Diagram The methods of connecting the Power Limiting device CT is shown below. CT90-5 or CT90-30 is recommended. Inverter CT+ white Wire K L Black Wire L CT- N Switch Board Router Note: Correct direction of CT: House (K)Grid(L). Incorrect connection or direction will cause incorrect data. 4.4.4 DRED / Remote Shutdown / CT(Power Limit Device) Connection DRED (Demand response enabling device) is only for Australian and New Zealand installations, in compliance with Australian and New Zealand safety requirements. Contat the after-sales service to get the DRED terminal if you need to use DRED function. DRED function is off by default. Start this function via SolarGo App if it's needed. Remote shutdown is only for Europe installations, in compliance with European safety requirements. And Remote shutdown device is not provided by GOODWE. Detailed operation is shown as below: Step 1 Dismantle the resistor or shortcircuit cable. 15 Step 2: Put the cable through the plate. Different cable and connection method should be applied for different functions. Please follow the connection steps in accordance to the function in need. CT and DRED Please connect the cables in order as shown in the right table. 6.5mm 25mm 2 3 1 5 4 8 6 7 6.5mm 25mm Table 1 Power Limiting NO. Function 1 CT + 2 CT - Table 2 DRED NO. Function 3 DRM1/5 4 DRM2/6 5 DRM3/7 6 DRM4/8 7 REFGEN 8 COM/DRM0 Remote Shutdown Please connect the cables in order as shown in the right table. 6.5mm 25mm 2 3 1 5 4 8 6 7 Table 1 Remote Shutdown NO. Function 4 Content + 5 Content - CT and Remote Shutdown Please connect the cables in order as shown in the right table. 6.5mm 25mm 2 3 1 5 4 8 6 7 Table 1 CT NO. Function 1 CT + 2 CT - Table 2 Remote Shutdown NO. Function 4 Content + 5 Content - 16 Step 3: Connect the terminal to the right position onto the inverter. Note: 1. Compatible DRED commands are DRM0, DRM5, DRM6, DRM7, DRM8. 2. Please set up power limit function at local setting page once all connection steps are done. 3. CT is directional. Please make sure CT+ is properly connected to white & black wire and CT- to black wire. Please make sure the limit buckle is connected to the output live wire (L) of inverter. 4. If CT is not well connected, it will display "CT disconnected" on the inverter. If CT is reversely connected, it will display "CT Reverse" on the inverter when connected to grid. 4.4.5 Earth Fault Alarm In compliance with the section 13.9 of IEC62109-2, the XS series inverter is equipped with an earth fault alarm. When earth fault occurs, the fault indicator at the front LED screen will light up. On inverters with Wi-Fi communication, the system sends an email with the fault notification to the customer. For inverters without Wi-Fi, the buzzer of the inverter will keep ringing for one minute and ring again after half an hour until the fault is resolved. (This function is only available in Australia and New Zealand). 4.4.6 SEMS Portal SEMS Portal is an online monitoring system. After completing the installation of communication connection, you can access www.semsportal.com or download the App by scanning the QR code to monitor your PV plant and device. Please contact the after-sales for more operation of SEMS Protal. SEMS Portal App 17 5 System Operation 5.1 LCD Panel Button Indicator lights in Yellow/Green/Red correspondently refer to: Indicator Power Run Fault Status Explanation ON = WiFi connected/active BLINK 1 = WiFi system resetting BLINK 2 = Not connect to router BLINK 3 = WiFi server problem BLINK = RS485 connected OFF = WiFi not active On = Inverter is feeding power OFF = Inverter is not feeding power at the moment On = Fault occurred OFF = No fault 5.2 User Interface And Syetem Configuration 5.2.1 Operation Method There are 2 modes of button operation: Short press the button and long press the button. In all levels of menu, if no action is taken, the backlight of the LCD will switch off, the LCD will automatically revert to the first item of the first level menu, and any modifications made to the data will be stored into internal memory. 5.2.2 Set Safety Country After powering on for the first time, the inverter prompts Select Country/Region, please short press until "GW1000-XS Pac=****.0W" is displayed, and then set the safety region. The inverter cannot be connected to the grid before the safety-related area is set. If display shows "GW1000-XS Pac=****.0W", then long press the button to enter the second level menu. Short press to browse the countries available. Please wait after choosing the suitable country's safety setting, the display will show "setting..." and skip to "Set OK" or "Set Fail". NOTE: For the Australian market, to comply with AS/NZS 4777.2:2020, please select from Australia Region A/B/C, please contact your local electricity grid operator on which Region to select. After the safety area setting is completed, some parameters in the inverter system will take effect according to the corresponding safety regulations, such as PU curve, QU curve, trip protection, etc. If you need to change the configuration parameters, please refer to the SolarGo APP user manual. 18 5.2.3 LCD A schematic of the display screen is shown as below: Normal Pac=XXXX.XW Display area is divided as follows: Line Line 5.2.4 Display Area Line 1 --- Working status information Line 2---Diaplays of the real-time power generated by the inverter. · This area displays the status information. "Waiting" indicates the inverter is standing by for power generation; "Checking **S" (checking time is based on safety, and varies from country to country) indicates is self-checking, counting down and preparing for power generation. "Normal" indicates the inverter is generating power. If any condition of the system is abnormal, the screen will display an error message. · Through button operation, the screen can display different information such as operation parameters and power generation status is in this area. There are two levels of menus, and the flow chart of first level menu is shown below: 5.2.5 Use Of The LCD The display allows accessing the configuration of the basic parameters. All the language, time and country settings can be configured by buttons. The menu, shown in the LCD displays area has two levels of menu. Short or long press the button will take you between menus and through each menu. Items in the first level menu that have no second level are locked. For these items, when the button is pressed for two seconds, the LCD will display the word "Lock" followed by data relating to the first level menu item. The locked menu can only be unlocked under system mode switching, fault occurrence or button operation. 5.2.6 Menu Introduction · When the PV panel is feeding power to the inverter, the LCD displays the first-level menu. · The initial display is the first item to the first level menu, and the interface displays the current status of the system. It shows "Waiting" in the initial state; its display "Normal" during power generation mode; if there is something wrong with the system, an error message is displayed. Please refer to "5.3 Error message". View PV voltage, PV current, grid voltage, current and frequency: · Short press the button to enter the "E-Today" menu which displays the total power generation for today. · Short press the button to enter the "E-Today" menu which displays the total power generation until today. · Short press the button to enter the "Vpv" menu which displays the PV voltage in "V". 19 Short Press First Level Menu Second Level Menu Normal Pac=2595.5W Long Press 50Hz Grid Default Short Press E-Today=15.2KWh Pac=2595.5W Long Press Lock Short Press E-Total=533.17KWh Pac=2595.5W Short Press Vpv=325.2/325.5V Pac=2595.5W Short Press Long Press No Error E01 110822 01:01 Ipv=4.1/4.1A Pac=2595.5W Short Press 50Hz GridDefault Short press for safety country select Vac=229.5V Pac=2595.5W Long Press English Short Press Iac=11.3A Pac=2595.5W Short Press Angielski Short Press Short Press Fac=50.00Hz Pac=2595.5W Short Press Error History Pac=2595.5W Short Press *****SS****W**** Pac=2595.5W Short Press to select number 0 ~ 9 Long Press 2000-00-00 00:00 Long Press 2000-00-00 00:00 Long Press ······ Long Press Short Press Ver:V1.XX.XX Pac=2595.5W Long Press 2000-00-00 00:00 Short Press Set Language Pac=2595.5W Short Press Set Time Pac=2595.5W Short Press WiFi RS485 WiFi Reset Pac=2595.5W Short Press WiFi Reload Pac=2595.5W Long Press Wait WiFi Resetting WiFi Reset OK WiFi Reset Fail Long Press WiFi Reloading Wait WiFi Reload OK WiFi Reload Fail Disable Short Press Lagging 0.95 Short press short press to select "Leading" or "Lagging" Short Press PF Adjust Pac=2595.5W Short Press Long Press Shadow MPPT OFF Pac=2595.5W Short Press Or Long Press Shadow MPPT ON Pac=2595.5W Short Press Power Limit OFF Pac=2595.5W Or Long Press Power Limit ON Pac=2595.5W Short Press Long Press Lagging 0.95 Long Press Lagging 0.95 Short Press to select number 8 or 9 Short Press to select number 0 ~ 9 Long Press Long Press Set Power Limit XXX% Long Press Set Power Limit XX% Long Press Set Power Limit XX% Short press to select number 0 ~1 Short press to select number 0 ~9 Short press to select number 0 ~9 Long Press Set Power Limit XXX% Set Addr: XXX Short press to select number 0 ~ 2 Short Press Long Press Long Press Set Addr: XXX Long Press Short press to select number 0 ~ 9 Long Press Set Calibrate Addr Pac=2595.5W Set Addr: XXX Short press to select number 0 ~ 9 20 · Short press the button to enter the "Ipc" menu which displays the PV current in "A". · Short Press the button to enter the "Vac" menu which displays the grid voltage in "V". · Short Press the button to once more to enter the "Iac" menu which display the grid current in "A". · Short Press the button to once more to enter the "Frequency" menu which displays the grid frequency in "Hz". · View error code Short press the button once more to enter the "Error Code history" menu. Long press the button to enter the second level menu of error detection. The newest three inverter records will be shown by short pressing the button in this second level menu. The records include error codes (EXX) and error times (110316 15:30). · View model name and reconfigure safety country: From the error code history item in the first level menu, short press the button to see model name. If you want to change the safety country, please long press the button, then LCD will enter the second level menu. In the second level menu, short pressing the button can change the safety country. After choosing the suitable safety country, the inverter will store the chosen safety country if there is no input for 20 seconds. If there is no exact proper country code, please choose "50Hz Grid Default" or "60Hz Grid Default" accordingly. · View software version From the model name item in the first level menu, short press the button to see the software version. The current software version can be shown in this menu. 5.2.7 Basic Setting · Set language Short press the button to enter the "Set Language" menu. Long press the button to enter the second level menu. Short press the button to browse the languages available. · Set time From the first level "Set Language" menu, short press the button to enter the "Set Time" menu. Long press the button to enter the second level menu. The initial display is "2000-00-00 00:00", in which the first four numbers represent the year (e.g. 2000~2099); the fifth and sixth numbers represent the month (e.g. 01~12); the seventh and the eighth numbers represent the date (e.g. 01~31). The remaining numbers represent the time. Short press the button to increase the number in current location, and press to move the cursor to next position. · Set protocol: The function is only used for service personnel, setting a wrong protocol could lead to communication failure. From the first level "Set Time" menu, short press the button to enter 21 "Set Protocol Display" menu. Long press the button to enter sub menu. The circulatory sub menu including two protocols can be found. The protocol can be chosen by short pressing the button. · MPPT function for shadow: The default setting for shadow optimizer is disabled. Please enable shadow optimizer when there is shadow on PV panel. The function could help the system generate more power under shadow condition. Please do not enable the function when there's no shadows being casted onto the panel. Otherwise it could lead to lesser generated power. Press the button until it enters the shadow optimize menu. When LCD displays "Shadow MPPT OFF", it means the MPPT function for shadow is switched off. Long press the button to enable the function. If LCD displays "Shadow MPPT ON" it means the shadow optimizer is on. Long press the button to disable the function. · 70% rated power limit The function is only available for inverters in Germany. It can only be used by network operators. Otherwise it will cause a loss of power generated from the PV plant. Press the button till LCD displays the 70% rated power menu. If LCD displays 70% rated enable it means the function to limit the inverter working under 70% of rated output is switched off. Long press the button will switch this function on. If LCD displays recover rated power it means the inverter is working under 70% of rated output power. Long press the button to recover inverter to 100% of its rated output power. 5.2.8 Power Limiting Function Setting · Enter Password: Please enter the password (valid for 10 minutes) before changing the power limiting state (the default is OFF) and the power limiting setting (the default is 2% rated power): Long press the button to enter password input menu. The initial display "1111" is the default password. Short press the button to increase the number in current location and long press to move to the cursor to next position. The operations are shown as below. Short Press Shadow MPPT ON Pac=XXXX.XW Short Press Shadow Limit ON Pac=XXXX.XW Short Press Set Power Limit XXX% Prated Long Press Password: 1111 Short Press Password: 1111 Short Press Password: 1111 Short Press Password: 1111 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Long Press 22 · Modify Password: Long press the button to enter password change menu. Short press to increase the number in current location, long press to move the cursor to next position. If the old password is right, the new password will be stored after 20 seconds without any input. Note: You can only enter the new password if the login is within the effective time period (10 minutes). The operation are shown as below. Short Press Shadow MPPT ON Pac=XXXX.XW Short Press Shadow Limit ON Pac=XXXX.XW Short Press Set Power Limit XXX% Prated Long Press · Power limiting function setting Old Passworld: 1111 New Password:1111 Short Press Old Passworld: 1111 New Password:1111 Short Press ...... Short Press Old Passworld: 1111 New Password:1111 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Short press to select number 0 ~ 9 Long Press If the power limiting function is ON, the maximum output power of the inverter will be limited at the power limit setting value while the inverter is without power limiting device (such as a CT/Meter) or when the power limiting device is out of order. 5.2.9 Auto-Test The default setting of this function is disabled which can only be available in Italy safety. Short press the button until LCD displays "Auto Test", and long press the button to start this function. if auto test is finished, short press the button until LCD displays "Auto Test Result", and long press the button to check the result. First Level Menu Auto Test Pac=XXXX.XW Long Press Second Level Menu Auto Testing Wait ... Short Press To Check The Value First Level Menu Normal Pac=XXXX.XW First Level Menu Auto Test Result Pac=XXXX.XW Short Press Auto test types will be chosen by "Remote" and "Local" before starting the test. "Remote" default setting is 1, unable to be modified. "Local" default setting is 0, which can be set to 0 or 1 by calibrating the software. If set "Local" to 1, testing order will be 59.S1, 59.S2, 27.S1, 81>S1, 81<S1. Otherwise, testing order will be 59.S1, 59.S2, 27.S1, 81>S2, 81<S2. Connect AC, auto tests will begin after the inverter relays close successfully: output power is zero and LCD will show the information about testing. 23 If sub test finishes and LCD displays "Test ***** Ok", inverter relay breaks off and reconnect to grid automatically according to CEI 0-21 requirement. Then the next test starts. Vac Fail Test 59.S1 OK If sub test fails, inverter relay breaks off and enter wait mode. To retry, the inverter needs to be totally powered off and be restarted. 5.2.10 Operation Of Display When Commissioning When the input voltage reaches the inverter's turn-on voltage, the LCD starts to work, the yellow lights is turned on and the LCD displays "Waiting". More information will be displayed within a few seconds. If the inverter is connected to the grid, "Checking 30" will be displayed and a countdown of 30 seconds will commence. When the countdown reaches "00S" you will hear the relay trigger 4 times. The LCD will then display "Normal". The instant power output will be shown at the left bottom of the LCD. 5.3 Error Message An error message will be displayed on the LCD is a fault occurs. Error code 03 14 15 17 19 23 Error message Fac Fail Isolation Fail Vac Failure PV Over Voltage Over Temperature Utility Loss Description Grid frequency out of permissible range Ground insulation impedance is too low Grid voltage out of permissible range Overvoltage at DC input Over Temperature on the case Utility is unavailable 5.4 Wi-Fi Reset & Wi-Fi Reload These functions are only available for Wi-Fi model inverters. Wi-Fi reload function is used to change the Wi-Fi configuration to default value. Please configure the Wi-Fi again after using the function. Short press the button until the LCD displays "Wi-Fi Reset", then long press the button until the LCD displays "Wi-Fi Resetting". Stop pressing and wait for the screen to display "Wi-Fi Reset OK" or "Wi-Fi Reset Failed". First Level Menu WiFi Reset Pac=2595.5W Long Press Second Level Menu WiFi Resetting Wait WiFi Reset OK WiFi Reset Fail 24 Short press the button until the LCD displays "Wi-Fi Reload", then long press the button until the LCD displays "Wi-Fi Reloading". Stop pressing and wait for the screen to display "Wi-Fi Reload OK" or "Wi-Fi Reload Failed". First Level Menu WiFi Reload Pac=2595.5W Long Press Second Level Menu WiFi Reloading Wait WiFi Reload OK WiFi Reload Fail 5.5 Precaution For Initial Startup 1. Make sure the AC circuit is connected and AC breaker is turned off. 2. Make sure the DC cable between inverter and PV string is connected, and the PV voltage is normal. 3. Turn on the DC switch, and set safety country according to the local regulation. 4. Turn on the AC breaker. Check the inverter work normal. 5.6 Special Adjustable Setpoints The inverter has a field in which the user can set functions, such as trip points, trip times, reconnect times, active and inactive QU curves and PU curves. It is adjustable through special software. If needed, please contact after-sales. To obtain software manuals, you can download them from the official website or contact after-sales. 5.6.1 PF Power Curve Mode PF power curve mode can be modified by Calibrate communication method, according to the set range to set the corresponding value. cos 0.95 LEADING 25% B 1.0 A 50% 75% 100% Power, (%P/P ) rated LAGGING 0% 0.95 LEGEND: C cos 25 Function PF curve mode enable or disable B %P/Prated C Power factor PF Power Curve Mode Default value (Australia) Default value (New Zealand) 0 0 50 (50%) 50 (50%) 0.9 0.9 Setting range "0"or"1" 30%~80% 0.8~1 5.6.2 PU Curve Mode The PU curve mode can be modified by Calibrate communication method, according to the set range to set the corresponding value. V1 V2 100% V3 V4 V1 V2 100% V3 V4 80% 80% POWER, P/Prated% POWER, P/Prated% 60% 60% 40% 40% 20% 20% 0% 200 210 220 230 240 250 260 270 Example curve for a volt-watt response mode (Australia) 0% 200 210 220 230 240 250 260 270 Example curve for a volt-watt response mode (New Zealand) Function PU curve mode enable or disable V1 voltage ratio P1 power ratio V2 voltage ratio P2 power ratio V3 voltage ratio P3 power ratio V4 voltage ratio P4 power ratio PU curve Mode Default value (Australia) Default value (New Zealand) 1 1 207V 100c100%*Pn 207V 100c100%*Pn 220V 100c100%*Pn 220V 100c100%*Pn 250V 100c100%*Pn 244V 100c100%*Pn 265V 20c20%*Pn 255V 20c20%*Pn Setting range ""0"or"1" Not applicable 0~120 216V~230V 0~120 235V~255V 0~120 244V~265V 0~120 26 VAR/RATED, VA (%) 200 210 220 230 240 250 260 270 VAR/RATED, VA (%) 200 210 220 230 240 250 260 270 5.6.3 QU Curve Mode QU curve mode can be modified by Calibrate communication, according to the set range to set the corresponding value. LEADING LEADING V1 V2 40% V3 V4 30% 20% 10% 0% 10% 20% 30% 40% INVERTER VOLTAGE, V LEGEND: var characteristic curve V1 40% 30% 20% 10% 0% 10% 20% 30% 40% V2 V3 V4 INVERTER VOLTAGE, V LEGEND: var characteristic curve LEADING LEADING Function QU curve mode enable or disable V1 voltage ratio Q1 reactive power ratio V2 voltage ratio Q2 reactive power ratio V3 voltage ratio Q3 reactive power ratio V4 voltage ratio Q4 reactive power ratio QU curve Mode Default value (Australia) Default value (New Zealand) 0 0 207V 30c30%*Pn 207V 30c30%*Pn 220V 0c0%*Pn 220V 0c0%*Pn 250V 0c0%*Pn 244V 0c0%*Pn 265V 30c30%*Pn 255V 30c30%*Pn Setting range "0"or"1" Not applicable 0~60 216V~230V 0 235V~255V 0 244V~265V 0~60 5.6.4 Power Recovery Rate The power recovery rate can be modified by Calibrate communication, according to the set range to set the corresponding value. Function Power recovery rate Settings The default value (Australia & New Zealand) 16c16%Pn/min Setting range 5~100 If you need to change the above Settings, please contact our after-sales service. 27 6 Troubleshooting If the Inverter is not able to work properly, please refer to the following instructions before contacting your local service. If any problems arise, the red (FAULT) LED indicator on the front panel will light up and the LCD screen will display relevant information. Please refer to the following table for a list of error message and associated solutions. Type of fault Troubleshooting Isolation Failure 1. Disconnect DC switch, take off DC connector, check the impedance between PV (+) & PV(-) to earth. 2. If impedance is less than 100 k, please check the insulation of PV string wiring to earth. 3. If impedance is large than 100 k, please contact local service office. 4. Take off AC connector, measure the impedance between neutral Ground I Failure System Failure Vac Failure Fac Failure 1. The ground current is too high. 2. Unplug the inputs from the PV generator and check the peripheral AC system. 3. When the problem is cleared, reconnect the PV panel and check the Inverter status. 4. Contact local service office for help if the problem still persist. 1. The PV Inverter will automatically restart within 5 minutes if the grid returns to normal. 2. Make sure grid voltage conforms with the specification. 3. Make sure neutral (N) wire and PE wire are connected well. 4. Contact local service office for help if the problem still persist. 1. Grid is not connected. 2. Check grid connection cables. 3. Check availability of grid. Utility Loss 1. Not connect to the grid. 2. Check if the power grid is connected to cable. 3. Check the availability of power grid. PV Over Voltage 1. Check if the PV open circuit voltage is higher or too close to the maximum input voltage or not. 2. If the problem still persist when PV voltage is less than the maximum input voltage, contact local service office for help. Over Temperature 1. The internal temperature is higher than normal value specified. 2. Reduce ambient temperature. 3. Move the inverter to a cool place. 4. If the problem still exists, contact local service office for help. 28 Type of fault Relay-Check Failure DCI Injection High EEPROM R/W Failure SCI Failure SPI Failure DC BUS High BUS Unbalance Inverter Failure GFCI Failure Ifan Fault Efan Fault Afan Fault Troubleshooting 1. Turn off DC switch of the inverter. 2. Wait till the inverter's LCD light is off. 3. Turn on DC switch and make sure it is connected. 4. If the problem still exists, contact local service office for help. No display 1. Turn off DC switch, take off DC connector, measure the voltage of PV array. 2. Plug in DC connector, and turn on DC switch. 3. If PV array voltage is lower than 250V , please check configuration of inverter module. 4. If voltage is higher than 250V , please contact local office. Others Wi-Fi module fail to connect to network 1. If the Wi-Fi module fail to connect to network after choosing the right router hotspot and entering the right passwordsit's possible that there are special characters not supported by module in the hotspot passwords. Please modify the password to consist of only Arabic numerals or uppercase / lowercase letters. 2. If the problem still exists, contact local service office for help. Note: When sunlight is insufficient, the PV inverter may continuously start up and shut down automatically due to insufficient power generation from the PV panels, which would not lead to inverter damage. 7 Maintenace Regular maintenance of the inverter ensures its service life and optimal efficiency. Note: Disconnect the AC circuit breaker, then turn off the DC switch. Wait for 5 minutes to release residual voltage before maintenance. 7.1 DC Switch Check The DC switch does not need extra maintenance if it's in use. Just check whether it can work properly. Keep the inverter shutdown before checking. Turn the DC switch on and off 10 times continually once a year. Turn the switch regularly can clean up the device and extend its service life. Boot order: 1. Set the circuit breaker on the AC side to ON. 2. Set the DC switch to ON. Caution: Skip this step if no DC switch. 3. Set the circuit breaker on the DC side to ON. Shutdown order 1. Set the circuit breaker on the AC side to OFF. 2. Set the DC switch to OFF. Caution: Skip this step if no DC switch. 3. Set the circuit breaker on the DC side to OFF. 7.2 Electrical connection check Maintenance period: once a half year. 1. Check whether the cables are securely connected. 2. Check whether the PE cables are reliably grounded 3. Check whether the waterproof covers for ports are locked. 29 30 8 Technical Parameters Technical Data Input Max.Input Power (W) Max.Input VoltageV MPPT Operating Voltage Range (V) MPPT Voltage Range at NominalPower (V) Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) Max. Short Circuit Current per MPPT (A) Max.Backfeed Current to The ArrayA) Number of MPPT Number of Strings per MPPT Output Nominal Output Power (W) Nominal Output Apparent Power (VA) Max. AC Active Power (W) Max. AC Apparent Power (VA) Nominal Output Voltage (V) Nominal AC Grid Frequency (Hz) Max. Output Current (A) Max. Output Fault Current(peak and duration) (A/ms) Inrush Current(peak and duration) (A/us) Nominal Output Current (A) Output Power Factor Max. Total Harmonic Distortion Efficiency Max. Efficiency European Efficiency Protection DC Insulation Resistance Detection Residual Current Monitoring Unit Anti-islanding Protection AC Overcurrent Protection AC Short Circuit Protection AC Overvoltage Protection DC Switch DC Surge Arrester AC Surge Arrester General Data Operating Temperature Range ( Relative Humidity Max. Operating Altitude (m) Cooling Method GW700-XS GW1000-XS GW1500-XS GW2000-XS 910 500 40~450 80~450 40 360 12.5 15.6 0 1 1 1300 500 40~450 85~450 40 360 12.5 15.6 0 1 1 1950 500 50~450 125~450 50 360 12.5 15.6 0 1 1 2600 500 50~450 165~450 50 360 12.5 15.6 0 1 1 700 700 800 800* 230 50/60 3.5 25/5 1000 1000 1100 1100* 230 50/60 4.8 25/5 1500 1500 1650 1650* 230 50/60 7.2 25/5 2000 2000 2200 2200* 230 50/60 9.6 25/5 50/2 50/2 50/2 50/2 3 4.3 6.5 8.7 ~1 (Adjustable from 0.8 leading to 0.8 lagging) <3% 0.972 0.96 0.972 0.964 0.973 0.966 Integrated Integrated Integrated Integrated Integrated Integrated Integrated Type III Type III 0.975 0.97 -25~60 0~100% 4000 Natural Convection 31 Technical Data General Data Display Communication Communication Protocol Weight (Kg) Dimension W×H×Dmm Noise Emission (dB) Topology Night Power Consumption (W) Ingress Protection Rating DC Connector AC Connector Environmental Category Pollution Degree Overvoltage Category Protective class The Decisive Voltage Class (DVC) GW700-XS GW1000-XS GW1500-XS GW2000-XS LED+LCD/WiFi+APP/Bluetooth+APP WiFi / LAN / RS485 Modbus 5.8 295×230×113 25 Transformerless <1 IP65 MC4 2.54mm² plug and play connector 4K4H III DC II / AC III Class I C Technical Data Input Max.Input Power (W) Max.Input VoltageV MPPT Operating Voltage Range (V) MPPT Voltage Range at NominalPower (V) Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) Max. Short Circuit Current per MPPT (A) Max.Backfeed Current to The ArrayA) Number of MPPT Number of Strings per MPPT Output Nominal Output Power (W) Nominal Output Apparent Power (VA) Max. AC Active Power (W) Max. AC Apparent Power (VA) Nominal Output Voltage (V) Nominal AC Grid Frequency (Hz) Max. Output Current (A) Max. Output Fault Current(peak and duration) (A/ms) Inrush Current(peak and duration) (A/us) Nominal Output Current (A) Output Power Factor Max. Total Harmonic Distortion GW2500-XS GW3000-XS GW2500N-XS GW3000N-XS 3250 500 50~450 205~450 50 360 12.5 15.6 0 1 1 3900 500 50~450 245~450 50 360 12.5 15.6 0 1 1 3250 600 50550 200~450 50 360 13 16.3 0 1 1 3900 600 50550 240~450 50 360 13 16.3 0 1 1 2500 2500 2750 2750* 230 50/60 12 30/5 3000 3000 3300 3300* 230 50/60 14.3 30/5 2500 2500 2750 2750* 220/230 50/60 12 30/5 3000 3000 3300 3300* 220/230 50/60 14.3 30/5 50/2 50/2 50/2 50/2 10.9 13 11.4/10.9 13.6/13 ~1 (Adjustable from 0.8 leading to 0.8 lagging) <3% 32 Technical Data GW2500-XS GW3000-XS GW2500N-XS GW3000N-XS Efficiency Max. Efficiency 0.976 0.976 0.976 0.976 European Efficiency 0.972 0.972 0.972 0.972 Protection DC Insulation Resistance Detection Integrated Residual Current Monitoring Unit Integrated Anti-islanding Protection Integrated AC Overcurrent Protection Integrated AC Short Circuit Protection Integrated AC Overvoltage Protection Integrated DC Switch Integrated DC Surge Arrester Type III Type III(Type II Optional) AC Surge Arrester Type III type III type III DC Arc Fault Circuit Interrupter NA NA Optional Optional General Data Operating Temperature Range ( -25~60 Relative Humidity 0~100% Max. Operating Altitude (m) 4000 Cooling Method Natural Convection Display LED+LCD/WiFi+APP/Bluetooth+APP Communication WiFi / LAN / RS485 RS485 / WiFi Communication Protocol Modbus Weight (Kg) 5.8 Dimension W×H×Dmm 295×230×113 Noise Emission (dB) 42 Topology Transformerless Night Power Consumption (W) <1 Ingress Protection Rating IP65 DC Connector MC4 2.54mm² AC Connector plug and play connector Environmental Category 4K4H Pollution Degree III Overvoltage Category DC II / AC III Protective class Class I The Decisive Voltage Class (DVC) C 33 Technical Data Input Max.Input Power (W) Max.Input VoltageV MPPT Operating Voltage Range (V) MPPT Voltage Range at NominalPower (V) Start-up Voltage (V) Nominal Input Voltage (V) Max. Input Current per MPPT (A) Max. Short Circuit Current per MPPT (A) Max.Backfeed Current to The ArrayA) Number of MPPT Number of Strings per MPPT Output Nominal Output Power (W) Nominal Output Apparent Power (VA) Max. AC Active Power (W) Max. AC Apparent Power (VA) Nominal Output Voltage (V) Nominal AC Grid Frequency (Hz) Max. Output Current (A) Max. Output Fault Current(peak and duration) (A/ms) Inrush Current(peak and duration) (A/us) Nominal Output Current (A) Output Power Factor Max. Total Harmonic Distortion Efficiency Max. Efficiency European Efficiency Protection DC Insulation Resistance Detection Residual Current Monitoring Unit DC Reverse Polarity Protection Anti-islanding Protection AC Overcurrent Protection AC Short Circuit Protection AC Overvoltage Protection DC Switch DC Surge Arrester AC Surge Arrester DC Arc Fault Circuit Interrupter General Data Operating Temperature Range ( Relative Humidity Max. Operating Altitude (m) Cooling Method GW3KB-XS GW3300-XS 3900 600 50550 240~450 50 360 13 16.3 0 1 1 3900 500 50~450 275~450 50 360 12.5 15.6 0 1 1 3000 3000 3300 3300 220 60 14.3 30/5 3300 3300 3300 3300 230 50/60 14.3 30/5 50/2 50/2 13.6/13 14.3 ~1 (Adjustable from 0.8 leading to 0.8 lagging) <3% 0.976 0.972 0.976 0.972 Integrated Integrated N/A Integrated Integrated Integrated Integrated Integrated Integrated Type III Type III Optional 2560 0~100% 4000 Natural Convection -25~60 0~100% 3000 Natural Convection 34 Technical Data General Data Display Communication Communication Protocol Weight (Kg) Dimension W×H×Dmm Noise Emission (dB) Topology Night Power Consumption (W) Ingress Protection Rating DC Connector AC Connector Environmental Category Pollution Degree Overvoltage Category Protective class The Decisive Voltage Class (DVC) GW3KB-XS GW3300-XS LED+LCD/WiFi+APP/Bluetooth+APP RS485 / WiFi WiFi / LAN / RS485 Modbus 5.8 295×230×113 42 Transformerless <1 IP65 MC4 2.54mm² plug and play connector 4K4H III DC II / AC III Class I C *For Belgium Max. Output Apparent Power(VA): GW700-XS is 700;GW1000-XS is 1000; GW1500-XS is 1500; GW2000-XS is 2000; GW2500-XS or GW2500N-XS is 2500; GW3000-XS or GW3000N-XS is 3000. 35 Note Overvoltage Category Definition Category I: applies to equipment connected to a circuit where measures have been taken to reduce transient overvoltage to a low level. Category II: applies to equipment not permanently connected to the installation. For example, appliances, portable tools and other plug-connected equipment; Category III: applies to fixed downstream equipment, including the main distribution board. For example,switchgear and other equipment in an industrial installation; Category IV: applies to equipment permanently connected at the origin of an installation (upstream of the main distribution board). For example, electricity meters, primary overcurrent protection equipment and other equipment connected directly to outdoor open lines. Moisture Location Category Definition Moisture parameters Temperature Range Humidity Range 3K3 0~+40 5%85% Level 4K2 -33~+40 15%100% 4K4H -20~+55 4%100% Environment Category Definition Outdoor : the ambient air temperature is -20~50. Relative humidity range is from 4% to 100%, applied to PD3. Indoor unconditioned: the ambient air temperature is -20~50 . Relative humidity range is from 5% to 95%, applied to PD3. Indoor conditioned: the ambient air temperature is 0~40 . Relative humidity range is from 5% to 85%, applied to PD2. Pollution Degree Definition Pollution degree 1: No pollution or only dry, non-conductive pollution occurs. The pollution has no influence. Pollution degree 2: Normally only non-conductive pollution occurs. However, a temporary conductivity occasionally caused by condensation must be expected. Pollution degree 3: Conductive pollution occurs. Or dry, non-conductive pollution becomes conductive due to condensation, which is expected. Pollution degree 4: Persistent conductive pollution occurs. For example, the pollution cause by conductive dust, rain and snow. 36