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1418-35 Moganshan Road, Hangzhou, 310011, China
info@livoltek.com
www.livoltek.com
USER MANUAL
Copy Declaration
The copyright of this munual belongs to Hangzhou Livoltek Power Co., td. Allrights
reserved. Without the written permission of the company, Any unit or individual shall not
extract or reproduce part or all of the contents of this document, and shall not transmit
it in any form.
GT3 4K-25K
L
Ver.04
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Summary of Contents for LIVOLTEK GT3-4KD1
- Page 1 USER MANUAL GT3 4K-25K Copy Declaration The copyright of this munual belongs to Hangzhou Livoltek Power Co., td. Allrights reserved. Without the written permission of the company, Any unit or individual shall not 1418-35 Moganshan Road, Hangzhou, 310011, China extract or reproduce part or all of the contents of this document, and shall not transmit it in any form.
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Page 2: Table Of Contents
Table of Contents About This Manual..............1 Scope ..............1 Intended Audience ..........1 Symbols Used ............. 1 How to use this manual ........1 Safety ................. 2 Product Description ..........2 Important Safety Instructions ....... 2 Symbol on the Type Label ........4 Product Overview .............. -
Page 3: About This Manual
Read the manual and other related documents before performing any operation on the inverter. Documents must be stored carefully and be available at all times. The information in this manual is subject to change without notice. Please check www.livoltek.com for more information. -
Page 4: Safety
Perform operations considering actual onsite Mount the inverter in vertical direction, and ensure that no objects conditions. LIVOLTEK shall not be held liable for any damage caused by block the heat dissipation violation of the safety instructions in this manual. -
Page 5: Symbol On The Type Label
3 Product Overview 2.3 Symbol on the Type Label Symbol Explanation 3.1 View of the inverter CE mark. The inverter complies with the requirements of the applicable CE guild line s . UKCA mark. The inverter complies with the requirements of the applicable UKCA guidelines. UKNI mark. -
Page 6: Terminal Of The Inverter
3.4 System Diagram 3.3 Terminals of the inverter GT3 4-25kW series is a transformerless three-phase photovoltaic grid-tied inverter. As an indispensable part of the photovoltaic power generation system, the inverter mainly converts the direct current generated by the PV modules into alternating current that is compatible with the grid, and can feed the alternating current into the public grid. -
Page 7: Scope Of Delivery
GT3 1.6K-6K Copy Declaration The copyright of this munual belongs to Hangzhou Livoltek Power Co., td. Any corpo - ration or individual should not lagiarize, partially or fully copy , and no reproduction or distribution of it in any from or by any means. All rights reserved. - Page 8 Reserve enough space when installing inverter (at least 300mm) for heat 5.1.2 Environment Requirements dissipation. The inverter must be installed in a ventilated environment to ensure good heat dissipation. Make sure the installation site meets the following ≥500mm conditions: Reserved space dimensions of •...
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Page 9: Mounting Instructions
5.2 Mounting Instructions Step 2: Install the inverter to the wall Installation Tools (recommended but not limited to the following ones): Insert the expansion tubes into the holes and hang the back plate, Protective glasses and gloves, Marker, Measuring tape, Multi-meter, Wire Then tighten the screws to install it. -
Page 10: Electrical Connection
6 Electrical Connection 6.1 PV Connection Please only use the PV connectors from the accessory box for connection. This chapter mainly describes the cable connections of the system. Before connecting, please make sure: Prior to any electrical connections, keep in mind that the inverter has dual •... - Page 11 Step 5. Tighten the fastening head and into insert the corresponding WARNING positive and negative (PV-/PV+) ports of the inverter. • This unit is not provided with a GFDI device. This inverter controller Click! must be used with an external GFDI device as required by the article 690 of the National Electrical Code for the installation location.
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Page 12: Grid Output Connection
Step3: Remove the cable jacket and strip 70~80mm, And strip wire 6.2 Grid Output Connection insulation by 7-10mm. WARNING ① 70~80mm ② 7~10mm • The grid voltage and frequency must be in the permissible range. • An external AC breaker must be installed between inverter and Grid input power source. -
Page 13: Communication Connection
RJ45 specication of the interface, and use a crimping tool to press Please note that the meter brand required by Livoltek must be used. Meter connection diagram: Meter Connector Pin Denition:... -
Page 14: Earth Connection
”click”; Step1: prepare a one-core wire, strip it 5-7mm and crimp the incoming Please go to the Livoltek APP to connect to the Internet and set it up. Earth terminal；... -
Page 15: Afci (Optional)
GT3 series inverter this function is turned on by default, if you do not need this function, you can log on to the Livoltek APP , cloud platform, local Bluetooth to turn off. (go to the "Advanced Settings" interface, select "AFCI function> Setting >Disable") -
Page 16: Installation VeriCation
6.7 Installation Verication 7 System Operation Check the following items after the inverter is installed. 7.1Powering ON the Inverter • No other objects put on the inverter. Step 1: Switch ON the DC and AC circuit breaker • All screws especially the screws used for electrical connections are tightened. -
Page 17: Leds And Graphical Display
7.3 LEDs and Graphical Display Warning Denition Warning Denition LED Status The inverter operation status can be obtained from observing LED MPPT1 Over Volt MPPT2 Over Current Red blink(quickly) indicator status. MPPT1 Over Current MPPTOver Current@HW Red blink(quickly) PV1Port Over Current MPPT2 Over Volt Red blink(quickly) GRID(White) -
Page 18: Communication Mode Description
Download and Install Livoltek APP language, and view view the inverter model, inverter version and • Method 1: Go to Google Play or Apple App Store to search Livoltek, inverter serial number. download and install the app. -
Page 19: Troubleshooting
After receiving approval of the local power bureau, support revise the electrical protection parameters setting on inverter through Local Mode of Livoltek APP . Grid Freq Sampling Fault Please contact your dealer for technical support. b. make sure the AC cable is connected well and the jacket of the AC Grid Freq Abnormal cable is not compressed into the AC terminal. -
Page 20: Technical Data
10 Technical Data 1. Turn off the PV system and check whether there is a DC arcing fault on the PV side. Technical Data GT3- GT3- GT3- GT3- GT3- GT3- GT3- 2. Try to restart the inverter, check if it still occurs. If not, it is just an 4KD1 8KD1 10KD1 ... - Page 21 Output Over Current Protection Support GT3 -17KD1 GT3 -20KD1GT3 -22KD1GT3 -25KD1GT3 -10KDL1 GT3 -12KDL1 Technical Data AC Short Circuit Protection Support PV Input Data Output Over Voltage Protection Support 33000 37500 25500 30000 15000 Max.
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Page 22: Decommissioning
DC SPD Protection Type II 11 Decommissioning Support PV CurrentDetection Support Insulation Resistor Detection 11.1 Disassemble the Inverter Support OutputOver CurrentProtection Remove DC input line and AC output line of inverter. Support AC Short Circuit Protection Wait for at least 5 minutes to power off. -
Page 23: Disclaimer
. Obtain the communication protoc ol from other illegal channels. Your name . Build monitoring, control system without authority from Livoltek. . Livoltek will keep right to explain all the contents in this user manual. Your contact number Your Email address...
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