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Summary of Contents for Weco ESY Series
- Page 1 ESY SERIES ESY Serials Hybrid Inverter User Manual Europe Version 230Vac...
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Page 2: Preface Overview
Preface Overview This document mainly introduces the installation, electrical connection, commissioning, maintenance and fault-handling methods of ESY inverter. Please read this manual carefully before installation, understand the safety information and familiarize with the functions and features of ESY inverter. All the manual details, installation instructions, operation, maintenance and troubleshooting are intended to be for qualified electricians and expert installers. - Page 3 CAUTION-RISK of electric shock from energy stored in capacitor, never operate on the inverter, Grid cables, Battery cables, PV cables or the PV generator when power is applied. After switching off the PV, battery, and grid, always wait for 5minutes to let the capacitors discharge before unplugging DC, battery and grid cables.
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Page 4: Table Of Contents
Table of Contents 1 Safety Instructions ................................6 2 Product Introduction ................................ 9 2.1 Product Introduction ............................9 2.2 Description of appearance ..........................10 2.3 Terminal Definition ............................. 11 2.4 Technical Parameters ............................12 2.5 Label Description ..............................14 2.6 How it works ................................ 16 3 Storage .................................... - Page 5 9 Inverter Disposal ................................52 9.1 Disassemble the inverter............................ 52 9.2 Packaging inverters ............................52 9.3 Scrap inverters ..............................52 Appendix A Grid Standard Code............................53 Appendix B abbreviations ..............................54...
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Page 6: 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 7: System Installation
System installation Danger! It is strictly forbidden to operate the ESY inverter with electricity during installation ⚫ 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 8: Maintenance And Replacement
Maintenance and replacement Danger! During the operation of the ESY 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 ESY inverter and operate it in strict accordance with the safety precautions listed in this manual and other relevant document. -
Page 9: Product Introduction
2 Product Introduction 2.1 Product Introduction Function ESY inverter can convert solar energy into alternating current or can store DC energy into the Energy Storage Battery. Via APP the user can flexibly choose the appropriate working mode according to the actual situation of photovoltaic, power grid, battery, load and so on. -
Page 10: Description Of Appearance
2.2 Description of appearance... -
Page 11: Terminal Definition
2.3 Terminal Definition PV Switch PV Input Battery Input EPS/Load Grid CT/BMSCAN/CAN1/CAN2/COM1(Wi-Fi)/COM2(TYPE-C) LED Bar Signal terminal * Port Function Port Name Description For external CT sensor CAN-BMS BMS communication for lithium batteries CAN1 Used to connect the communication interface between inverters for parallel connection CAN2 Used to connect the communication interface between inverters for parallel... -
Page 12: Technical Parameters
Max. Charging Voltage [V] 58.4 Max. Charge/Discharge Current [A] 100/100 120/120 160/160 Battery Type Li-Ion Communication Interface WeCo-CAN EPS output Rated power [kVA] Rated output voltage [V] Rated output current [A] Rated frequency [Hz] 50/60 Automatic switching time [ms] ＜20 THDI <... -
Page 13: Safety Standard
Noise Emission [dB] <35 Operating Temperature [°C] -25 ~ 60 Cooling Natural Relative Humidity 0~95%（non-condensing） Altitude 2,000m (>2,000 Derating) Dimensions W *D *H [mm] 484*212*481 Weight [kg] Isolation Transformer Self-consumption [W] <3 Display Logic Multicolor LED bar LED BAR COM 1 RS485 WiFi COM 2 Safety standard... -
Page 14: Label Description
2.5 Label Description Box identification Iicon Name Meaning The inverter has a high shell temperature when Anti-scald warning sign working, there is a risk of scalding, and it is strictly forbidden to touch it. There is a high voltage after the inverter is powered on. - Page 15 Nameplate (1) Trademark and product model (2) Important technical parameters (3) Certificate of Conformity 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 EU safety certification mark...
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Page 16: How It Works
2.6 How it works The ESY inverter can be connected up to 2 or 3 PV strings, it has 2 or 3 MPPT, each MPPT circuit can support only 1 string of solar panel as the input current is limited to 18.5A. Maximum power point tracking, DC to single-phase AC conversion through inverter circuit, and surge protection function on both DC and AC side. - Page 17 Working Scenario Brief Description mode Auto Mode Photovoltaics, battery and grid are available: PV is insufficient, if the battery discharge cannot meet the load, the inverter draws energy from the grid. Auto Mode PV and grid are available, battery is not available: PV is sufficient, priority use of the load when there is a surplus, feedback to the grid.
- Page 18 Working Scenario Brief Description mode Plan Mode Photovoltaics, batteries and the electricity grid are available: During the discharge period, the PV and battery meet the load utilization; when it is insufficient, the electricity grid draws power to meet the load utilization. Plan Mode Battery and grid power are available, PV is not available:...
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Page 19: Storage
3 Storage If the inverter is not immediately put into service within 2 months from the production date, the storage specifications need to be met as follow: ⚫ Do not remove the outer packaging of the inverter. ⚫ The storage temperature should be kept at –20°C~+60°C; The relative humidity should be maintained at 5% RH~95% ⚫... -
Page 20: Installation
4 Installation 4.1 Pre-installation inspection Check the outer packaging 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 21: Select The Installation Location
Markers Multimeter (DC voltage range vacuum cleaner ≥ 600V DC). Hydraulic pliers Horizontal ruler Steel tape measure Heat shrink tubing Heat guns Personal protective equipment Protective goggles Dust masks Safety gloves Safety boots 4.3 Select the installation location Basic Requirements ⚫... -
Page 22: Installation Space Requirements
local authorities. ⚫ Please ensure that the installation surface is strong enough to support the inverter and the support screws can meets the load-bearing requirements of the installed inverter. Installation angle requirements The inverter should be installed on the ground with good load bearing. Installation angle requirements: ⚫... - Page 23 Step 2. Lift the inverter, hang it on the installation bracket, then aligning the inverter with the installation hole on the right side of the bracket. Step 3. Fix with M4 * 10 screws on the right side to secure the inverter on the bracket.
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Page 24: Electrical Connections
Photovoltaic strings consist of photovoltaic Not Provided by modules connected in series. The ESY WeCo inverter supports 2 or 3 string inputs. Energy storage ESY inverter supports WECO energy equipment storage device access. Grid ESY inverter supports grid access. Not Provided by WeCo Note！... -
Page 25: Confirm Wiring Location
5.2 Confirm wiring location 5.3 Back-up: Load Connection ESY inverter has on and off grid functions, the inverter will provide output power through AC port when connected to the grid, and it will provide output power through the back-up port when off-grid. Auto &... -
Page 26: Grid Connection
5.4 Grid Connection and Generator Connection Prerequisites 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 27 of the inverter and energy storage equipment may cause a risk of electric shock. Warning! ⚫ Make sure that the following conditions are met. Failure to do so may result in damage to the inverter and even a fire hazard. ⚫...
- Page 28 Note！ ⚫ When stripping the thread, do not scratch the core. ⚫ The cavity formed after crimping the crimp sheet of the OT terminal conductor must be completely covered by the wire core, and the wire core and the OT terminal must be firmly bonded and not loose. ⚫...
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Page 29: Pv Connection
Step 2: Install the communication cable. Insert the terminals on both sides of the communication cable into the communication ports of the inverter and energy storage equipment. 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. -
Page 30: Wifi Connection
Step 2: Connect the finished wire to the PV terminal. 5.7 WiFi Connection Step1. Plug WiFi into “COM1” port at the bottom of the inverter. Step2. Set the connection between the inverter and router following the instruction of the WeCo NooR APP Step3. Create a user account online. Note: The use and related settings of NOOR APP can be found in the "7 NOOR Cloud APP Operation"... -
Page 31: System Debugging
6 System debugging 6.1 Check before powering on Inspection items and acceptance criteria serial number 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 32: Power Down The System
6.3 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 33: Noor Cloud App Operation
7 Noor Cloud APP Operation 7.1 App Introduction Function Noor Cloud App (abbreviated as app) is a cloud through 2.4G network and a 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 34: Login And Logout Of The App
7.4 Login and Logout of the APP 7.4.1 Login APP After correctly installing the app on your mobile phone, you can use it by logging into the app. Steps： On the mobile desktop, use the Noor App application icon to login. On the app login page, enter your account and password, then click "Sign in". -
Page 35: Build A Power Station Wizard
7.5 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 information, which enables centralized monitoring and management of the devices. 7.5.1 Login at the first time to create an initial power station Step1: After logging in to the Noor App, you can click the "Add plant"... -
Page 36: Add New Device
Step4: After filling in the power station information, use "Save" button to save. 7.6 Add new device After the power station is created, if you want to add new device to the power station, you can add the new device to a power station by this function. Step1: Click the "... -
Page 37: Check The Power Station Status
7.7 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。 7.7.1 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 name on top and select the name of the power station to view the details of the power station. -
Page 38: Device Management
7.7.3 E nergy management On the "Home > Energy" tab, you can view data such as power generation and power consumption of the power station. ⚫ Select time to view the data of that specific day. ⚫ Select Param to view the parameters to compare. 7.8 Device management Users can monitor the status of the device in real time and set parameters. - Page 39 ⚫ Edit device: Click the “ ” icon on the device you want to edit to change the name or config the network. ⚫ 7.8.2 Device parameter setting Step1: Scroll down on the home page and click “inverter settings” to view the setting list. Step2: Click on the "Inverter Setting"...
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Page 40: Auto Mode
7.8.2.1 Set working mode In the operation mode selection of the basic setting interface, you can set "load priority", "plan mode", and "battery priority" to make the inverter work in different operation modes. Auto mode The priority of photovoltaic power generation is to ensure the load works, and then the remaining photovoltaic power is charged to the energy storage battery. -
Page 41: System Settings
7.8.2.2 System settings Settable functions: Date, Time, EPS enable,PV Input Type, ARC enable, Anti reflux,CT Ratio. Date: Current date. The inverter's statistical function will be performed based on this set date Time: The current time, the system's planning mode, will match this set time EPS Enable: EPS enable switch. -
Page 42: Grid Setting
Off Grid DOD: The lower limit of the discharge SOC during off-grid operation. When it is lower than this value, the battery will no longer discharge. 7.8.2.4 Grid setting Settable functions: Grid Standard, Grid Set, American Standard Classification. Grid Standard: Select the national grid standard, and after confirmation by the state, the voltage amplitude and frequency will be determined. - Page 43 Inv Parallel Num: Number of parallel machines Parallel Master/Slave: Whether the parallel identity is a host or a slave, the slave will work according to the host command. Inv Parallel Addr: Parallel address. In a parallel system, the address cannot be repeated, and can be set between 1-99 Common Battery Enable: Whether the battery is shared in the parallel system.
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Page 44: Advanced Setting
Generator Start SOC: The generator automatically starts the SOC value. After the battery SOC is lower than this value, if the generator enable is set to enable, the generator start dry connection point will close to start the generator. Generator Stop SOC: The generator automatically stops the SOC value. After the battery SOC is higher than this value, if the generator enable is set to enable, the generator start dry connection point will be disconnected and the generator will be shut down. -
Page 45: Delete Device
Settable functions: AC Power，Bat Discharge Power，Bat Charge Current， Restore Factory Setting，Remote Start UP/ShutDown. Grid Power：Grid connected power dispatching, taking power from the grid and feeding back the maximum power value of the grid, using percentage settings. Bat Discharge Power：Battery discharge power scheduling, maximum power value of battery discharge, usage percentage setting. - Page 46 Step2: Click "Plant Management" to enter. 7.10.2 Edit the basic information of the power station Users can edit the power station name, station address and other information. Step1: Click the " " icon in the upper left corner of the home page, and a page will pop up on the left. Step2: Click "Plant Management"...
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Page 48: System Maintenance
8 System Maintenance 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 49 (1) Check whether the load follows the maximum power of the machine. (2) Cut off all the power and shut down all the The load power is Over Load machines; disconnect the load and plug in to greater than other restart machines, then check whether the load is power (PV,BAT).
- Page 50 (1) Check the input mode setting is correct. (2) Restart the inverter and wait until it functions BUS voltage is lower bus under vol normally. than normal. (3) Contact customer service if error warning continues. (1) Check the input mode setting is correct. bus over vol BUS voltage is over (2) Restart the inverter and wait until it functions normally.
- Page 51 Communication (1) Check the cable, crystal, Line sequence. BMS comm.fail between lithium battery (2) Checking the Battery switch. and inverter is abnormal. (1) Check whether the Inverter temperature is Fan fail Fan fail abnormal. (2) Check whether the fan runs properly. (If you can see it) Grid Phase err The grid fault phase.
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Page 52: Inverter Disposal
9 Inverter Disposal 9.1 Disassemble the inverter Procedure Step 1. Perform a system power-down operation (see 6.3 System Power-down). 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. -
Page 53: 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... -
Page 54: 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...
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