Related Manuals for Weco XT Series
Summary of Contents for Weco XT Series
- Page 1 XT SERIES XT Serials Hybrid Inverter User Manual UL Version for USA and Canadian Markets 120Vac...
-
Page 2: Symbolic Conventions
Before installing this product, please read this manual carefully and ensure that the relevant personnel can easily access and use it. WECO Company shall not be liable for any losses caused by unreading or wrong installing and wrong using the product not according to this manual. -
Page 3: Surge Protection
Label Meaning This label indicates there is high voltage within the product, and touch may cause an electric shock. This symbol indicates that the temperature here is higher than the acceptable range of the human body, and do not contact in order to avoid personal injury. This symbol indicates here is the protective grounding (PE) terminal, and solid grounding is needed to ensure operators’... -
Page 4: Version Revision History
Version revision history Modification records accumulate a description of each document update. The latest version of the documentation contains updates for all previous document versions. Once a new document is published, the old document will automatically become invalid. Please go to the official website to obtain the latest version Version Date Revised By... -
Page 5: Table Of Contents
Table of Contents 1 Safety Instructions ................................7 2 Product Introduction ................................. 10 2.1 Product Introduction .............................. 10 2.2 Inverter appearance .............................. 10 2.3 Terminal Explain ..............................11 2.4 System and Schematics Design ........................... 12 3 Installation ..................................13 3.1 Pre-installation Preparations ..........................13 3.2 Installation location Select............................. - Page 6 8.2 Storage ................................. 47 8.3 Inverter Disposal ..............................47 Appendix A Grid Standard Code ............................49 Appendix B abbreviations ..............................50 Appendix C Technical Datasheet ............................51 Appendix D Label Description ............................. 53 Appendix E Troubleshooting ............................... 55 Appendix F Working Mode & Light Language ........................61 Appendix G Recommend Tools ............................
-
Page 7: Safety Instructions
All operation of this equipment must strictly comply with the relevant equipment precautions and special safety instructions provided by WECO. The safety warnings listed in the manual represent only those known to WECO and WECO assumes no responsibility for violations of general safe operating requirements or safety standards for the design, production and use of the equipment. -
Page 8: System Installation
System installation Danger! with electricity during installation It is strictly forbidden to operate the XT inverter ⚫ The process of lifting or placing the inverter must be carried out slowly and cannot be placed quickly, otherwise the product may be damaged ⚫... -
Page 9: Maintenance And Replacement
Maintenance and replacement Danger! During the operation of the XT inverter, there is a high voltage that can cause electric shock, resulting in death, serious personal injury, or serious property damage. Therefore, before carrying out any maintenance work, it is necessary to turn off the power supply of the XT inverter and operate it in strict accordance with the safety precautions listed in this manual and other relevant documents. -
Page 10: Product Introduction
2 Product Introduction 2.1 Product Introduction Function XT inverter is an split phase input and output inverter, It can convert solar energy into AC or can store DC energy into the Energy Storage Battery. Use APP, The user can flexibly choose the best benefit working mode according to the actual using scenario, with different situation of photovoltaic, power grid, battery, load and so on. -
Page 11: Terminal Explain
2.3 Terminal Explain Signal terminal Port Name PV ON/OFF Switch Battery Power Input Wi-Fi Connection port Multiple port(See below for details) PV1 - PV4 input (4 MPPT) Generator Power Input Grid Power Input Load 1(EPS Load) Load 2(Future features) LED Bar Inverter ON/OFF Switch * Port Function Port... -
Page 12: System And Schematics Design
2.4 System and Schematics Design system apply... -
Page 13: Installation
3 Installation 3.1 Pre-installation Preparations A. Package Inspection & Check Before unpacking the inverter, check the outer packaging for visible damage, such as holes, cracks, or other signs of possible damage inside, and check the inverter model. If there is any abnormal packaging or inverter model does not match, do not open it and contact your dealer as soon as possible. -
Page 14: Installation Location Select
B. Installation area Notice ⚫ Long distance power cable will cause power imbalance, Highly recommend install battery with inverter more closer.Or keep the battery power cable to each inverter the length discrepancy < 0.25m. ⚫ The inverter has a degree of protection of IP65 and it can be installed outdoors. It is recommended to choose a sheltered installation site or build a sunshade. -
Page 15: Install The Inverter
3.3 Install the inverter Procedure : Step 1 Take out the mounting bracket from the Step 1 accessory, as shown in the figure. Use a drill to make four holes on the wall according to the mounting holes position of the of the mounting bracket, the hole depth shall be 50-60mm and the expansion screw shall be selected according with the wall type. -
Page 16: Electrical Connections
Photovoltaic strings consist of photovoltaic Users bring their own modules connected in series. The XT inverter supports 4 string inputs. Energy storage XT inverter supports WECO energy storage Users bring their own equipment device access. Generator XT inverter supports generator access. -
Page 17: Open The Bottom Wiring Cover
4.2 Open the bottom wiring cover Remove the cover screws by Allen Wrench and remove the cover. 4.3 Back-up: Load1 Connection XT inverter has parallel and off-grid operation functions. During on grid, the inverter connect to the grid and supply power to the load ;... -
Page 18: Grid Connection And Generator Connection
4.4 Grid Connection and Generator Connection Warning! Before connecting the input line on the AC grid side, please make sure that the other end of the cable is not connected to the grid, or that the AC pre-circuit breaker is in the disconnected state. Detect if the grid voltage is within the allowable range. -
Page 19: Wiring Diagram
⚫ When the inverter is running, it is forbidden to perform maintenance operations on the energy storage cables, such as connecting or exiting the energy storage equipment. Failure to do so will result in a risk of electric shock. ⚫ Before connecting the energy storage cables, make sure that the “BATTERY SWITCH” of the inverter and all switches connected to the inverter are in the “OFF”... - Page 20 Installation of power cables Procedure Step 1: Make the cable, crimping the OT terminal, using a 25 mm DC cable, stripping the wire, crimping OT 50-10 Terminals. Note！ ⚫ When stripping the thread, do not scratch the core. ⚫ The cavity formed after the conductor crimping sheet of the OT terminal is crimped should be completely covered with the wire core, and the wire core and the OT terminal should be tightly bonded and not loose.
-
Page 21: Pv Connection
Note！ The cable protection layer is located inside the connector. The wire core is completely into the wiring hole without leakage. Pay attention to the cable orientation to make sure that the cable is not twisted. 4.6 PV Connection Hybrid can be connected in series with 4-strings PV modules. Select PV modules with excellent function and reliable quality. Open-circuit voltage of module arrays connected in series should be. - Page 22 PHOTOVOLTAIC STRING CONFIGURATION AND VOLTAGE LIMITATIONS ⚫ The maximum open-circuit voltage of each PV string must not exceed 500Vdc under any conditions. ⚫ The best efficiency PV input is 350 ~ 400V, the maximum closed-circuit voltage of each PV string must not exceed 430Vdc to ensure proper charging of the batteries and to avoid derating in the power generated by the MPPTs.
-
Page 23: Wifi Connection
Step1. Plug WiFi into “WiFi” port at the bottom of the inverter. Step2. Build the connection between the inverter and router following the instruction of the WECO Noor APP Step3. Create a user account online.( Please check the WiFi user manual for more details). - Page 24 CT specs : CT Model Name: CTSA016 Ratio: 1000 Communication Cable Legth: 2m Extension wire example: Notes: the extension wire length should not be more than 40m and should shielded. Connect the RJ45 socket of the extension cable to the RJ45 connector of the CT communication cable connector, then connect the RJ45 connector of extension cable to the corresponding port of the inverter.
-
Page 25: System Debugging
5 System debugging 5.1 Check before powering on Inspection items and acceptance criteria Items Check the item Acceptance criteria The inverter is installed in place The inverter is installed correctly and is robust and reliable. WiFi antennas are installed correctly and are robust and The WiFi antenna is in place reliable. -
Page 26: Power Down The System
5.3 Power down the system Background information Warning! ⚫ After the inverter is powered down, there is still residual power and heat in the chassis, which may cause electric shock or burns. Therefore, after 5 minutes of powering down the inverter system, wear protective gloves before operating the inverter. -
Page 27: Noor Cloud App Operation
6 Noor Cloud APP Operation 6.1 App Introduction Function Noor Cloud App (abbreviated as app) is a cloud through 2.4G network and an WIFI module. The mobile application software of terminal communication can realize alarm query, parameter configuration, daily maintenance, debugging and other functions, and is a convenient maintenance platform. Connection method After the DC side or AC side of the inverter is powered on, it can be connected to the APP through wifi module and external router. -
Page 28: Login And Logout Of The App
Procedure If you haven’t a Noor App user account, please register according to the following steps： Steps： 1. Go to the Noor App login page, click "Register Now!" at the bottom； 2. Complete the user account registration according to the prompts on the page，Fill in the registration information: country (required), email number (required), verification code (required), password (required), re-enter password (required), and finally check the user... -
Page 29: Build A Power Station Wizard
6.4.2 Logout APP Steps： 1. Click " " in the upper left corner of the main page, and a pop-up page will appear on the left side. 2. On the pop-up page that slides out, click the " " icon to log out. 6.5 Build a Power Station Wizard Precondition After completing the device commissioning, you can use Noor App to create a power station and configure the basic... -
Page 30: Add New Device
6.5.2 Add a power station Steps1:Click " " in the upper left corner of the main page, and a page will slide out from the left side； Steps2:Click on the "Plant Management" button in the slide-out page to view the power station list； Steps3:Click the "+"... -
Page 31: Check The Power Station Status
6.7 Check the power station status The Noor App provides an overview of the power station, real-time status overview of the power station, energy output and consumption, revenue, energy flow diagrams, and other information. 6.7.1 View the details of the power station After logging in to the App, you can view the details of the current power station, or you can click the "... -
Page 32: Energy Information
6.7.2 Fault message reminder Click“ ”to view the device current/historical event messages under plant. Warning: Display the fault alarm records of the device that are currently occurring/have been restored. Upgrade：Display firmware update records that have occurred on the device. 6.7.3 Energy Information On the main interface, select "Energy charts"... -
Page 33: Inverter Settings
6.8 Inverter settings On the “Home Page>Inverter Setting” tabs, remote param settings can be made for the device system under the current plant. The configuration page is divided into basic settings and advanced settings, and can be switched by sliding left and right. -
Page 34: System Settings
Peak Shaving The system can run according to the set time and power, use photovoltaics and batteries when electricity prices are high, use the grid and charge batteries when electricity prices are low, and sell the remaining electricity generated by photovoltaic to the grid during the day (with the permission of the grid company first In order to use the function of feeding into the grid), it can save electricity costs. - Page 35 If battery type set to Lead-acid, Settable functions: Float Charge Voltage, Charge Protect Voltage, AH Setting, Endoff Voltage, Constant Charging Voltage, OnGrid Disch. Voltage, Disch. Hysteresis Voltage. Float Charge Voltage: inverter will maintain battery voltage in this value by using small current charge & discharge Charge Protect Voltage: Charge cut-off voltage, to protect the battery from over-charge AH Setting: Battery capacity, to be set according to the lead-acid...
-
Page 36: Advanced Setting
Settable functions: Generator Start SOC, Generator Stop SOC, Generator Charge Current, Max Operating Time, Generator Cooling Time, Generator Enable, Generator Charge Enable, Generator Auto Start, Generator Manual On, Generator Manual CMD, Generator Connect Grid, Generator Power. Note：1.Grid power and generator power can’t use Common Settings: in same time;2.Generator Max power can’t more Generator Enable: To enable generator function。... -
Page 37: Device Information
6.9 Device Information You can view the detailed real-time operation information of the devices system information under the current plant ; Such as Basic information, Inverter working information, Grid information ,Load information, photovoltaic information, battery information etc. Procedure: On the “Home Page>Running Info” tabs, you can view detailed real-time run information of the device system under the current plant, Such as Basic information, Inverter working information, Grid information ,Load information, photovoltaic information, battery information etc. -
Page 38: Device Management
6.10 Device management You can view the basic status of all devices added by the current plant. Procedure: ” icon in the upper left corner area of the homepage, and the page will pop up on the left side; Step1：Click the“ Step2：Click "Device Management"... - Page 39 6.11.1 View the list of power stations Showcasing all the plant created, you can see when the plant were created and the energy generated by the devices system. Procedure: Step1： Click the “ ” icon in the upper left corner area of the homepage, and the page will pop up on the left side;...
- Page 40 6.11.3 Delete the plant Procedure: ”icon in the upper left corner area of the homepage, and the page will pop up on the left side; Step1：Click the“ Step2： Click "Plant Management" to enter the plant list page; Step3：Select a plant to slide left and the "Delete" button will appear; Step4：...
-
Page 41: Inverter Parallel Guide
7 Inverter Parallel Guide 7.1 Parallel System Diagram Multiple inverters can be connected in parallel to provide more power. When AC loads are present, all units effectively share the load. The system schematic is as follows. Note！ ⚫ All inverter in one residential power system must parallel together. Otherwise will cause system working abnormal. ⚫... - Page 42 MASTER SLAVE1 SLAVE2 L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N PV1+ PV2+ PV3+ PV4+ PV1- PV2- PV3- PV4- L1 L2 N PV1+ PV2+ PV3+ PV4+ PV1- PV2- PV3- PV4- L1 L2 N PV1+ PV2+ PV3+ PV4+ PV1- PV2- PV3- PV4-...
- Page 43 4) The photovoltaic power supply of the inverters are provided independently. MASTER SLAVE1 SLAVE2 L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N PV1+ PV2+ PV3+ PV4+ PV1- PV2- PV3- PV4- L1 L2 N PV1+ PV2+ PV3+ PV4+ PV1- PV2- PV3- PV4-...
- Page 44 b. When use independent CT, each CT is installed separately of L-line on the grid side of each inverter, and the CT communication cable is connected to each inverter. MASTER SLAVE1 SLAVE2 L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N L1 L2 N...
-
Page 45: Parallel Operation Notes
7.3 Parallel Operation Notes 1) Make sure all the units in parallel are with the same software version. 2) Make sure all the settings of the master and slaves are the same. - Page 46 3) Set parallel parameters. Inv Parallel Num: Total numbers of the inverters including master and slave. Parallel Master/Slave: In a parallel system, only one master inverter use RJ45 connect to the battery BMS; The master inverter also will through the RJ45 connect with slave inverters, to broadcasts the BMS and other control information to the slave inverter.
-
Page 47: System Maintenance & Care
8 System Maintenance & Care 8.1 Routine Maintenance In order to ensure that the inverter can operate well for a long time, it is recommended to maintain it routinely as described in this section. Caution! Perform system power-down operations while performing maintenance such as system cleaning, electrical connections, grounding reliability, etc. - Page 48 Step 2 Disconnect all electrical connections to the inverter, including signal lines, PV input lines, energy storage input lines, AC output lines, and protective ground wires. Step 3 Remove the inverter fixing screws. B. Packaging inverters If you also have the original packaging of the inverter, please put it inside the original packaging and seal the package securely with tape.
-
Page 49: Appendix A Grid Standard Code
Appendix A Grid Standard Code The list of grid standard codes will be refreshed from time to time, please refer to the actual product. Table A-1 List of grid standard codes serial Grid standard code illustrate Grid voltage Grid frequency number name Only for United State... -
Page 50: Appendix B Abbreviations
Appendix B abbreviations Alternating Current Direct Current Identifier Light Emitting Diode LVRT Low Voltage Ride-Through Media Access Control MPPT Maximum Power Point Tracking Personal Computer Protective Earthing Photovoltaic Residual Current Device RCMU Residual Current Monitoring Unit Relative Humidity Serial Number THDI Total Harmonic Current Distortion WEEE... -
Page 51: Appendix C Technical Datasheet
Battery Voltage Range [V] 40 - 60 Max. Charge/Discharge Current [A] 135/135 190/190 190/210 Battery Type Li-Ion or Lead-acid Communication Interface WECO-CAN EPS output Rated power [kVA] Rated output voltage [V] 120/240 (split phase) Rated output current [A] 33.3 41.7 Rated frequency [Hz] 50/60 ＜10... - Page 52 Noise Emission [dB] <38 Operating Temperature [°C] -25° ~ 60°(>45° derating) Cooling Natural Relative Humidity 0~95%（non-condensing） Elevation 3000mt Dimensions W *D *H [mm] 460*225*760 Weight[kg] Isolation Transformer Self-consumption at night[W] <50 Display Logic Multicolor LED bar LED BAR COMM 1 WiFi COMM 2 Safety standard...
-
Page 53: Appendix D Label Description
Appendix D Label Description Box identification icon name meaning Anti-scald warning sign The inverter has a high shell temperature when working, there is a risk of scalding, and it is strictly forbidden to touch it Delayed discharge There is a high voltage after the inverter is identification powered on. - Page 54 Nameplate (1) Trademark and product model (2) Important technical parameters (3) Conformity of the certification system logo (4) Company name and origin Read Info The icon is for reference only, please refer to the real object. Description of the certification mark. icon name meaning...
-
Page 55: Appendix E Troubleshooting
Appendix E Troubleshooting Alarm levels are defined as follows: Important alarm: the inverter fails, enters shutdown mode, and stops running. Minor alarm: Some parts of the inverter have failed, but they are still able to work normally. Prompt alarm: The inverter functions normally, because external factors cause its output power to decrease List of common fault alerts Fault &... - Page 56 Fault & Alarm Code Explanation Solutions Display (1) Check if the Grid is outage or has abnormal. Gird low volt (2) Set parameters to improve the upper and lower limits of the Grid voltage. (3) Power off and disconnect whole system, Wait 1 minute then Grid voltage is abnormal Grid over volt restart.wait until it functions normally.
- Page 57 Fault & Alarm Code Explanation Solutions Display (1) Check and measure the battery wire make sure there is no short circuit. Battery charge current Check and measure the charging current make sure the settings is right. Charge Over over than the Inverter (3) Power off and disconnect whole system, Wait 1 minute then Current maximum...
- Page 58 Fault & Alarm Code Explanation Solutions Display (1) Disconnect all power supplies (PV, Grid, Battery) and shutdown the battery and inverters; After disconnecting the load, wait 1 minute then power up the battery and inverter, check the fault has been cleared or not. Battery Cell Battery cell voltage or...
- Page 59 Fault & Alarm Code Explanation Solutions Display Bus soft start fault; Bus Soft Fault Power off and disconnect whole system, Wait 1 minute then Inverter soft start fault; INV Soft Fault restart.wait until it functions Bus line short circuit; Bus Short normally.
- Page 60 Fault & Alarm Code Explanation Solutions Display (1) Disconnect all power supplies (PV, Grid, Battery) and shutdown the battery and inverters; After disconnecting the load, wait 1 minute then power up the battery and inverter, check the fault has The CT device may have been cleared or not.
-
Page 61: Appendix F Working Mode & Light Language
Appendix F Working Mode & Light Language The XT inverter can be connected up to 4 PV strings, and it has 4 MPPT, and each MPPT circuit can support only 1 string of solar panel as the input current is limited to 14A. Maximum power point tracking, DC to single-phase AC conversion through inverter circuit, and surge protection function on both DC and AC side. - Page 62 Description of the WORKING MODE Note: when the load is connected the in parallel with the AC input line it is mandatory to install the CT sensor and making sure that the sensor direction is correct. Note: ⚫ Generator power and Grid power has same logic, Generator and Grid only can have one input，Otherwise will broken. ⚫...
- Page 63 Working mode Scenario Brief Description Auto Mode Battery, generator are available, photovoltaic are not available Battery charge will controlled by GEN settings on the app; (Day time) When generator stop, Battery power will take the hand. (Night) Inverter will make sure Gen power=Load power+ BAT charge； (No PV) BAT discharge = Load power（when Gen Stop）...
-
Page 64: Appendix G Recommend Tools
Appendix G Recommend Tools Tools and gauges Installation Torque socket wrench (sleeve Torque wrench (opening size: Hammer drill (drill bit opening: 8mm, for M6 bolts; 13mm; Torque range: Ф12mm). 0N•m~1.5N•m). Torque range: 0N•m~ 15N•m). Torque screwdriver (head: M4, Wire strippers Diagonal pliers M6;... - Page 65 Personal protective equipment Protective goggles Dust masks Safety gloves Safety boots...
-
Page 66: Appendix H Grid Voltage Protection Parameters
Appendix H Grid Voltage Protection Parameters List of overvoltage and undervoltage protection points corresponding to different national power grid standards selection as Follows(Below table listed values based on the Grid standard) HV1( HV2( HV3( LV1(1 LV2(1 LV3(1 1000 1000 1000 time( time time...
Need help?
Do you have a question about the XT Series and is the answer not in the manual?
Questions and answers