Goodwe ET Series User Manual
Hybrid inverter
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Also See for ET Series:
- User manual (80 pages) ,
- Quick installation manual (37 pages) ,
- Connection manual (3 pages)
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Table of Contents
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Summary of Contents for Goodwe ET Series
- Page 1 ET SERIES USER MANUAL Hybrid inverter...
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Page 2: Introduction To Operating Modes
App including the system layout. The general operating modes for the ET system are shown below: 1.1 Introduction to operating modes The operating mode of the ET series inverter can be set according to the required conditions. Below are examples of the inverter's basic operating modes. Mode 2... -
Page 3: Safety And Warnings
1.2 SAFETY AND WARNINGS The ET inverter series from Jiangsu GoodWe Power Supply Technology Co., Ltd. (also called GoodWe) strictly complies with related safety rules for product design and testing. Please read and follow all of the instructions and cautions appearing on the inverter or in the User Manual during installation, operation, and maintenance, as any improper operation might cause personal injury or property damage. -
Page 4: Safety Warnings
Safety warnings Any installation or operations on the inverter must be performed by qualified electricians in compliance with standards, wiring rules, and the requirements of local grid authorities or companies (such as AS 4777 and AS/NZS 3000 in Australia). Never insert or remove the AC or DC connections when the inverter is running. Before any manipulation in the inverter connection area, it is necessary to turn off all power from the DC and AC sides. -
Page 5: Led Indicators
1.3 Inverter Overview LED INDICATORS INDICATOR STATUS EXPLANATION SYSTEM ON = system is ready BLINK = system is starting up OFF = system is not operating BACKUP ON = backup is ready/power available OFF = backup is off/on power available BATTERY ON = battery is charging BLINK 1 = battery discharging... - Page 6 Wi-Fi reset LED control lights On-Grid port Back Up port For smart meter Wi-Fi module DC switch* Battery connection Communication cable for Smart meter connectors PV connection For battery connectors ** Communication cable for BMS connectio Note * : Only GW 5K/8K/10K-ET have DC switch **: Only GW8KLC and GW10KL-ET has two pairs of connectors on PV2 output...
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Page 7: Installation
2. INSTALLATION 2.1 Installations that are not allowed Please avoid the following installation types, which will damage the system or the inverter. Load DO NOT CONNECT ONE STRING TO TWO OR MORE INVERTERS DO NOT CONNECT IN PARALLEL BATTERY DO NOT CONNECT ONE SMART METER TO MORE INVERTERS AND DO DO NOT CONNECT ONE BATTERY TO MORE INVERTERS NOT CONNECT VARIOUS MEASURING RINGS ON THE CABLE INCOMPATIBLE... -
Page 8: Select Mounting Location
2.3 MOUNTING 2.3.1 Select mounting location For inverter protection and convenient maintenance, the mounting location for the inverter should be selected carefully based on the following rules: No part of the system should not block the switch or breaker from disconnecting the inverter from DC and AC power. - Page 9 2.3.2 MOUNTING REMEMBER THE INVERTER IS HEAVY! BE CAREFUL WHEN REMOVING IT FROM THE BOX.[2] Wall holder The inverter is suitable for mounting on concrete or other non-combustible surfaces only. Dowel Step 1 Please use the mounting bracket as a template to drill 6 holes in the correct positions (10mm in diameter and 80mm in depth).
- Page 10 2.4 WIRING 2.4.1 PV CONNECTION Before connecting the PV panels/strings to the changer, check the following points: • The total shortcircuit current of the panels is no higher than the max input DC of the inverter. (for GW8KL-ET and GW10KL-ET, the PV2 has two pairs of connectors, allowing two strings to be connected with a total short circuit current not exceeding 22A).
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Page 11: Battery Connection
Take care not to cause electric shock or chemical hazards Plug in the DC circuit breaker (≥ 40A) between the battery and the inverter. Make sure your batteries are switched off before connecting and the ET series is disconnected from the FV and AC sides[4]. - Page 12 4-6 mm 2 Prepare the cable according to the picture Step 2 Pass the AC cable through the terminal block cover in the order shown in the picture Note: Use only the original cover from the GoodWe brand Insulator Screw Battery...
- Page 13 Step 3 Firmly crimp the 10 pin terminals on the ends of the cables Note: Make sure there is no crimped insulation in the pin terminals Step 4 Tightening torque 2.0-2.5N .m Connecting the AC cable to the terminal block with a tightening torque of 2.0-2.5N.m Note: Connect the Backup terminal block first Make sure you have everything wired up correctly Screw the cover (see the picture above)
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Page 14: Special Settings
Back-up output The hybrid ET series inverter can handle backup output congestion for a certain amount of time. For more details, see the technical parameters of the inverter (Chapter 4.3) The inverter also has protection against... - Page 15 2.4.4 SMART METER AND CT Make sure you have everything voltage-free before connecting the smart meter and CT [6] The measuring module Smart Meter with CT is included in the package and must be connected to the ET inverter. The measuring module detects the direction and magnitude of power and current and controls the operation of the inverter via RS485 communication.
- Page 16 2.5.2 GROUND CONNECTION INDICATION The GoodWe ET series inverters comply with the IEC 62109-213.9 standard. The fault indicator ("FAULT") is located on the main panel of the inverter and lights up red in the event of a fault. After that, the inverter sends information about the fault to the customer.
- Page 17 Connection diagram of the hybrid ET series inverter Note: The scheme does not portray a general connection to the ET series inverter according to the standards. Choose a circuit breaker according to the specifications GW5KL/6KL-ET 40A/600V DC 25A/400V AC breaker...
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Page 18: Wiring Scheme
NOTE: According to the Australian Safety Standard, the neutral wire from the mains side and the backup side must be connected, otherwise the Backup function will not work Main switchboard Battery Do not connect this clamp in GoodWe ET Australia and New Zealand!!! Series Hybrid inverter Grid... -
Page 19: Wifi Configuration
3. CONNECTION 3.1 WI-FI CONFIGURATION This part shows the configuration using a web page. Wi-Fi configuration is necessary for online monitoring and maintenance. Preparation: 1. We switch the inverter on only to PV. 2. A router with internet access to the website www.semsportal.com is required. Step 1 Connect to Solar-Wi-Fi* via your PC or smart phone (* its name is the last 8 characters of... - Page 20 2. Monitor and check the performance of the hybrid system. 3. Wi-Fi configuration. Please download the PV Master OPERATION INSTRUCTIONS from www.goodwe.com 3.3 CEI FUNCTION AND AUTO-TEST The PV auto-test function of CEI is integrated into the PV Master App to satisfy Italian safety requirements.
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Page 21: Troubleshooting
4. OTHER 4.1 Error messages and troubleshooting The error messages shown below will be displayed on the PV Master app or reported by e-mail if an error occurs. ERROR MESSAGE EXPLANATION REASON SOLUTIONS On-Grid Phase Shift Error The inverter has detected that the phase The L2 and L3 cables are connected in reverse order. -
Page 22: Problems During Operation
Picture 28 Picture 29 Picture 30 Picture 31 Check after starting the inverter and connecting to the distribution network Battery settings, BMS communication, and country settings: After connecting to Solar-WiFi * (*last 8 characters of the inverter serial number), check that the correct battery type and country settings are set in the PV Master - Param application (Fig. - Page 23 The battery does not charge even if there is enough PV power Solution: 1. Make sure the discharge time is not set. 2. Check that the battery is not fully charged or that the battery voltage has not reached the 'charge voltage'. High variation in battery charging and discharging current Solution: 1.
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Page 24: Wifi Setting
A: Since the data on the home page and the Param page are refreshed with a different time delay, there may be a difference between the data. This also applies to the data in the app and on the GoodWe portal. -
Page 25: Other Questions
Q: In the app, some columns show NA, like battery SOH, etc. Why does that happen? A: NA means that the App has not received data from the inverter or server because of communication problems, such as battery communications and the communications between the inverter and the app. Smart Meter and Power Limit function Q: How to activate the output power limit function? A: For the ET system, this function can be activated by following these steps:... -
Page 26: Maintenance
4.1 WARRANTY REFUSAL Hybrid ET series inverters are transported, used, and operated following standards. The GoodWe company has the right not to provide warranty or technical support in the following cases: • The inverter was damaged during transport. • The inverter is out of warranty and the extended warranty is not purchased. -
Page 27: Technical Parameters And Certificates
4.2 TECHNICAL PARAMETERS AND CERTIFICATES GW5KL- GW6KL-ET GW8KL-ET GW10KL- GW5K-ET GW8K-ET GW10K-ET Technical data Battery Supported battery types Li-Ion Li-Ion Rated battery voltage (V) 180 ~ 600 180 ~ 600 Max. charging current (A) Max. discharge current (A) Lithium Battery BMS Battery Auto-adaptive with BMS Auto-adaptive with BMS Charge Management System... -
Page 28: Summary Of Warnings
*** It will only reach if there is enough energy from PV and from the battery **** without Back-Up output ET SERIES INVERTER CERTIFICATES MORE TESTS For Australian requirements, in the THDi test, Zref must be added between the inverter and the mains. -
Page 29: Environment Category Definition
Environment category definition Degree Humidity parameters 4K4H Temperature range 0~+40C -33~+40C -20~+55C Humidity range 5%-85% 15%-100% 4%-100% Ambient temperature Relative humidity Applied to Outdoor -20~50C 4%~100% Indoor - non-air conditioned 5%~95% -20~50C Indoor - air conditioned 5%~85% 0~40C Definition of degree of pollution Degree of pollution I No or only dry, non-conductive pollution.