Page 1 安装说明书 Installation Instructions (适用于 TCL 户用系列光伏组件) Suitable for TCL residential series photovoltaic modules www.tcl.com/global/en/photovoltaic All Right Reserved by TCL Photovoltaic Technology Co., Ltd.
Page 2: Table Of Contents
7.1 接地 Grounding Connection ..................15 7.2 测试，调试，与故障排除 Test.Debugging and Troubleshooting ......17 7.3 阻塞二极管和旁路二极管故障排除 Blocking Diode and Bypass Diode Troubleshooting ........................18 7.4 并网电气系统 On-grid Electrical System ..............18 维护 Maintenance ......................19 www.tcl.com/global/en/photovoltaic All Right Reserved by TCL Photovoltaic Technology Co., Ltd.
Page 3: 概述 Overview
助。 This manual contains information on the installation, maintenance, and safe operation of PV modules produced by TCL Photovoltaic Technology Co., Ltd. Read and try to understand this note before installation. Professional installers are required to follow the instructions in the manual when installing the modules. If there is any problem please contact our sales department for help.
Page 4: 安全防范 Safety Precautions
Any modification towards any patent or patent right is not allowable if there is no authorization. ◇ 本手册基于 TCL 的科技与可靠的经验。但是包括产品规格的这些信息和建议并不构成任何保证。 This manual is made based on TCL’s technology and reliable experience, but the information and recommendations including product specifications do not constitute any warranty. ◇ TCL 保留改变手册，产品信息，技术规范或者产品数据的权力无需提前通...
Page 5 ◇ 不要在有负载的情况下断开组件之间或组件与逆变器等设备之间的连接线。 Do not disconnect the linking between the modules or between the modules and inverters in case of the load. ◇ 光伏电池组件把光能转换成直流电能。组件应用于地面、屋顶、车辆或船只等户外环境。合理设计支撑结构是系统设计者或安装者的责任。 The photovoltaic modules could convert the power energy into DC power. The modules could be applied for the ground, roofs, vehicles or boat and other outdoor environment.
Page 6 ◇ 电气安装工作只能使用合格的绝缘工具。 The qualified insulating tools are the only choice for the electrical installation work. ◇ 遵从系统中使用的所有其它部件的安全规定，包括线路和电缆，连接器件，充电控制器，逆变器，蓄电池和充电电池等。 Comply with the safety requirements of all other modules used in the system, including wiring lines and cables, connection devices, charging controllers, inverters, batteries and rechargeable batteries.
Page 7: 拆箱及储存.Unpacking And Storage
◇ 组件适用于环境温度（-40℃～+85℃）地域使用，建议使用工作温度为（- 20℃～+50℃）。 The component is applicable to the ambient temperature (-40 ° C to +85 ° C). The recommended operating temperature is (-20 ° C to +50 ° C). 4. 拆箱及储存.Unpacking and Storage ◇ 在收货时，应检查交付的货物是否确实是订购的货物：每个包装箱的外面均标有产品名称、箱号、组件条形码。 When receiving the goods, you should check whether the goods delivered are indeed ordered goods: the outside of each box are marked with the product name, packaging box number, module barcode.
Page 8: 环境条件 Environment Conditions
◇ 组件取出若需临时外放，需要保护好组件边缘。 If the modules needed to be temporarily stored outside, please protect the edge of the module well. ◇ 禁止任何情况下在组件上站立或者行走。 It is forbidden to stand or walk on modules in any case. ◇ 禁止掉落或堆放物品在组件上。 It is forbidden to drop or stack items on the modules. 5.
Page 9: 机械安装 Mechanical Installation
-系统安装商需要确保安装方式符合当地法律法规。 The system builder needs to ensure that the installation is in accordance with local laws and regulations. 6. 机械安装 Mechanical Installation 6.1 选址 Site Selection ◇ 在北纬地区组件最好面向南，而在在南纬地区组件最好面向正北。组件正面与正午太阳光线方向垂直为最佳。 In north latitude area it is best to face south for the module, while in south latitude area, it is best to face north.
Page 10 safety distance between arrays of large power stations in order to facilitate the cleaning, inspection, and maintenance of the modules inside the array. ◇ 组件应安装在阳光可以充分照射的位置，并确保在冬至日的 9：00 到 15： 00 不能被遮挡。 The components shall be installed in a position with full sunlight and shall not be covered from 9:00 to 15:00 on the winter solstice .
Page 11: 安装支架选择 Mounting Bracket Options
6.2 安装支架选择 Mounting Bracket Options ◇ 在支架上安装组件时，选择能够承受当地预期地震等级的支柱和组件安装结构。 When installing the modules on the bracket, the pillar and module installation structure should be chosen those can withstand the local expected earthquake level. ◇ 支架结构必须由耐用、防腐蚀、抗紫外线的材料制成。 The bracket structure must be made of a durable, anti-corrosion, anti-ultraviolet materials.
Page 12: 安装方式 Installation Method
When the modules is installed on buildings or roofs, it needs to ensure that they are securely fastened and will not be damaged by strong wind or snow. ◇ 组件背面要确保通风流畅以便组件的散热。 Ensure that the back of the modules good ventilation for cooling the modules. ◇...
Page 13 6.4.1夹具安装 Fixture installation 图A 组件夹具图B 组件夹具示例 Figure A Fixture of module Figure B Module fixture example 注意事项 Cautions ◆ 请根据组件铝合金边框选择合适的夹具进行安装 Please select an appropriate fixture for installation according to the aluminum alloy frame of the component ◆ 有框组件夹具建议满足以下要求 Module with frame fixtures meet the following requirements 厚度：...
Page 14 6.4.2 安装孔安装 Installation holes 注意事项 Cautions ◆ 使用组件背面的安装孔，将组件固定在支架上。 Use the mounting hole on the back of the module to fix the module on the bracket. ◆ 使用安装孔1和安装孔2安装螺栓、螺母和垫片建议满足以下要求。 You are advised to use mounting holes 1 and 2 to install bolts, nuts, and washers 材质：不锈钢...
Page 15 Using mounting holes 3 Bolts, nuts, and washers must meet the following requirements 材质：不锈钢 Material: Stainless steel 尺寸和长度：M6 Dimensions and lengths: M6 30mm高度边框组件建议选择 L≤20mm长度紧固件 For 30mm height frame components, fastening L≤20mm is recommended 扭紧力矩：8-12 N.m Tightening torque: 8-12 N.m 6.5 安装点位置说明 Installation Point Location Description 正常水平的载荷设计适用于大部分环境：组件背面承受的最大载荷为...
Page 16: 安装孔安装位置 Installation Position
C:Vertical long side of beam Figure D:Parallel long side of Module (250mm≤A≤350mm) beam (150mm≤A≤250mm) TCL-MRxxxDH182-54NT +5400/-2400 +2400/-2400 6.5.2 安装孔安装位置 Installation Position 有框双玻使用安装孔安装组件情况下，横梁应垂直于组件长边，根据适用版型选择安装孔 1 或者安装孔 2 进行固定。 If you use mounting holes to install components, mounting rails cross the long frame,...
Page 17: 电气安装 Electrical Installation
图 E 安装方式图 F 安装方式组件型号 Figure E Installation Figure F Module mode Installation mode TCL-MRxxxDH182-54NT +2400/-2400 +5400/-2400 7. 电气安装 Electrical Installation 7.1 接地 Grounding Connection ◆ 所有的太阳能光伏组件边框和安装支架都必须按照相应的《国家电气规程》或者当地的电气法规规定正确的接地。 ◆ All solar pv module frames and mounting brackets must be aligned in accordance with the corresponding National Electrical Code or local electrical code regulations .
Page 18 M4 nut, star washer and flat washer. This ensures that the component is securely grounded. You can learn about the number, size and position of the grounding holes in detail on the Product drawings of TCL. The torsional torque for grounding fixation is 4-8N · m.
Page 19: 测试，调试，与故障排除 Test.debugging And Troubleshooting
◆ Use unused mounting holes for grounding ◆ 其他专用接地装置不管采用哪一种接地方式，所有和光伏组件铝合金边框的接地电接触点都需要穿透铝边框的阳极氧化涂层。在使用专用接地装置等其他第三方的接地装置接地时，需要确保这些接地装置是可靠的，并且通过专业认证的产品，在安装时需要遵守接地装置生产商的使用规定。 ◆ Other special grounding devices No matter which grounding method is adopted, all grounding electrical contacts with the aluminum alloy frame of the PHOTOVOLTAIC module need to penetrate the anodized coating of the aluminum frame.
Page 20: 阻塞二极管和旁路二极管故障排除 Blocking Diode And Bypass Diode Troubleshooting
7.3 阻塞二极管和旁路二极管故障排除 Blocking Diode and Bypass Diode Troubleshooting ◇ 阻塞二极管能够在组件没有电流生成时阻止电流从蓄电池流向组件。如果没有使用充电控制器，则推荐使用阻塞二极管。关于充电控制器请咨询专业经销商。 Blocking diodes could prevent current from flowing from the battery to the module when the module is not generating current. If you do not use the charge controller, it is recommended to use blocking diodes. About charge controller, please consult a professional dealer.
Page 21: 维护 Maintenance
Use special electrician tools for repairs. 8. 维护 Maintenance ◇ 为保证电池板最佳性能，TCL 提交以下维护措施。 To ensure the best performance of the solar panels, TCL provide the following maintenance measures. ◇ 应在早晨或傍晚发电功率低或没有功率时进行电池板清洁。 The solar panel should be cleaned in the morning or evening when the power is low or no power is processing.
Page 22 Cleaning the glass surface when necessary through clean water and soft objects. The neutral detergent should be used for cleaning while the acidic or alkaline or abrasive detergent is forbidden. ◇ 在下雨天气时如果出现逆变器或其他电器设备断电不要进行送电，等待下雨天气过后对线路进行检查确保没有问题后再进行送电。 In case of rainy weather, do not deliver the electricity if the inverter or other electrical equipment is power off.
Page 23 Single phase string inverters User Manual TCL-GS3K-G1/TCL-GS3.6K-G1/TCL-GS4K-G1 TCL-GS5K-G1/TCL-GS6K-G1...
Page 24 Contents 1 Notes on this Manual ......................4 1.1 General Notes ......................4 1.2 Area of validity......................4 1.3 Target group ......................4 1.4 Symbols used in this manual ..................4 2 Safety ..........................6 2.1 Intended use ......................6 2.2 Important safety information ...................
Page 25 5.5.3 Residual current protection ................22 5.5.4 Overvoltage category ..................22 5.5.5 Grounding conductor monitoring ..............23 5.5.6 Rating of miniature circuit-breaker ..............23 5.6 DC Connection ....................... 23 5.6.1 Requirements for the DC Connection ............... 24 5.6.2 Assembling the DC connectors ................24 5.6.3 Disassembling the DC connectors..............
Page 26 10 Technical Data ........................ 42 10.1 DC input data ......................42 10.2 AC output data ...................... 44 10.3 General data ......................46 10.4 Safety regulations ....................47 10.5 Tools and torque ....................48 11 Troubleshooting ......................49 12 Maintenance ........................51 12.1 Cleaning the contacts of the DC switch ..............
Page 27: Notes On This Manual
1 Notes on this Manual 1.1 General Notes TCL inverter is a transformerless solar inverter with two independent MPP trackers. It converts the direct current (DC) from a photovoltaic (PV) array to grid-compliant alternating current (AC) and feeds it into the grid.
Page 28 DANGER indicates a hazardous situation which, if not be avoided, will result in death or serious injury. WARNING indicates a hazardous situation which, if not be avoided, can result in death or serious injury. CAUTION indicates a hazardous situation which, if not be avoided, can result in minor or moderate injury.
Page 29: Safety
When designing the PV system, ensure that the values comply with the permitted operating range of all components at all times. The product must only be used in countries for which it is approved or released by TCL and the grid operator.
Page 30 Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter. Touching the DC conductors or the live components can lead to lethal electric shocks.
Page 31: Symbols On The Label
Damage to the inverter due to electrostatic discharge Internal components of the inverter can be irreparably damaged by electrostatic discharge. • Ground yourself before touching any component. 2.3 Symbols on the label Symbol Explanation Beware of a danger zone This symbol indicates that the product mus be additionally grounded if additional grounding or equipotential bonding is required at the installation site.
Page 32 Capacitors discharge Before opening the covers, the inverter must be disconnected from the grid and PV array. Wait at least 5 minutes to allow the energy storage capacitors to fully discharge. Observe the documentation Observe all documentation supplied with the product UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 33: Unpacking
3 Unpacking 3.1 Scope of delivery Object Description Quantity Inverter 1 piece Wall mounting bracket 1 piece Wall anchors and hexagon bolts (2×) 1 set M5 screw (2×) DC connector 2 pairs AC Plug connector 1 piece WiFi stick 1 piece RS 485 COM plug（Optional）...
Page 34: Mounting
4 Mounting 4.1 Ambient conditions Be sure the inverter is installed out of the reach of children. Mount the inverter in areas where it cannot be touched inadvertently. Ensure good access to the inverter for installation and possible service. Make sure that heat can dissipate, observe the following minimum clearance to walls, other inverters, or objects: Direction Min.
Page 35: Selecting The Mounting Location
The mounting method, location and surface must be suitable for the inverter's weight and dimensions. If mounted in a residential area, we recommend mounting the inverter on a solid surface. Plasterboard and similar materials are not recommended due to audible vibrations when in use.
Page 36: Mounting The Inverter With The Wall Bracket
4.3 Mounting the inverter with the wall bracket Risk of injury due to the weight of the inverter • •When mounting, be careful that the inverter weighs approx.:18.5kg. Mounting procedures: 1. Use the wall bracket as a drilling template and mark the positions of the drill holes. Drill 2 holes with a 10 mm drill.
Page 37 3. Position and hang the inverter onto the wall bracket ensuring the two studs located on the outer ribs of the inverter are slotted into the respective slots in the wall bracket. 4. Check both sides of the heat sink to ensure that it is securely in place. insert one screw M5x12 each into the lower screw hole on both sides of the inverter anchorage bracket respectively and tighten them.
Page 38: Electrical Connection
5 Electrical Connection Safety Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter. Touching the DC conductors or the live components can lead to lethal electric shocks.
Page 39: System Layout Of Units Without Integrated Dc Switch
Damage to the inverter due to electrostatic discharge Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge. • Ground yourself before touching any component. 5.2 System layout of units without integrated DC switch Local standards or codes may require that PV systems are fitted with an external DC switch on the DC side.
Page 40: Overview Of The Connection Area
5.3 Overview of the connection area Object Description DC SWITCH: switch on or off for PV-load. DC input: plug-in connector to connect the strings. COM: Network port with protective cap. Connector for meter. WiFi: transmit and Wi-Fi signal. Connection point for an additional grounding. AC OUTPUT: plug-in connector, connect the grid.
Page 41: Ac Connection
Procedure: 1. Insert the grounding conductor into the suitable terminal lug and crimp the contact. 2. Align the terminal lug with the grounding conductor on the screw. 3. Tighten it firmly into the housing (screwdriver type: PH2, torque: 2.5 Nm). Information on grounding components: Object Description...
Page 42 TCL-GS3K-G1/TCL-GS3.6K-G1/TCL-GS4K-G1/TCL-GS5K-G1/TCL-GS6K-G1 Object Description Value External diameter 10 to 16mm Conductor cross-section 4 to 8 mm² Stripping length of the insulated conductors approx. 13 mm Stripping length of the outer sheath of cable approx. 53 mm Larger cross-sections should be used for longer cables.
Page 43 5.5.2 Grid connection Risk of injury due to electric shock and fire caused by high leakage current • The inverter must be reliably grounded in order to protect property and personal safety. • The PE wire should longer 2 mm than L,N during strip the outer sheath of AC cable. Damage to the seal of the cover in sub-zero conditions If you open the cover in sub-zero condition, the sealing of the cover can be damaged.
Page 44 to the end in the order as shown，and then tighten the screws with an appropriately sized hex key with a suggested torque of 2.0 Nm. Connect the AC connector plug to the inverter´s AC output terminal. UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 45: Residual Current Protection
5.5.3 Residual current protection The inverter is equipped with an all-pole sensitive residual current monitoring unit (RCMU) with an integrated differential current sensor which fulfills the requirements of DIN VDE 0100-712 (IEC60364-7-712:2002). Therefore an external residual current device (RCD) is not required. If an external RCD needs to be installed because of local regulations, a RCD type A or type B can be installed as an additional safety measure.
Page 46: Grounding Conductor Monitoring
This is necessary, for example, in an IT system if there is no neutral conductor present and you intend to install the inverter between two line conductors. If you are uncertain about this, contact your grid operator or TCL-TECH. 5.5.6 Rating of miniature circuit-breaker Danger to life due to fire •...
Page 47: Requirements For The Dc Connection
5.6.1 Requirements for the DC Connection Use of Y adapters for parallel connection of strings The Y adapters must not be used to interrupt the DC circuit. • Do not use the Y adapters in the immediate vicinity of the inverter. The adapters must not be visible or freely accessible.
Page 48 Cable requirements: The cable must be of type PV1-F, UL-ZKLA or USE2 and comply with the following properties: External diameter: 5 mm to 8 mm  Conductor cross-section: 2.5 mm² to 6 mm²  Qty single wires: at least 7 ...
Page 49: Disassembling The Dc Connectors
Ensure that the cable is correctly positioned: Result Measure If the stranded wires are visible in the • Proceed to step 5. chamber of the clamping bracket, the cable is correctly positioned. If the stranded wires are not visible in the •...
Page 50: Connecting The Pv Array
5.6.4 Connecting the PV array The inverter can be destroyed by overvoltage If the voltage of the strings exceeds the maximum DC input voltage of the inverter, it can be destroyed due to overvoltage. All warranty claims become void. • Do not connect strings with an open-circuit voltage greater than the maximum DC input voltage of the inverter.
Page 51: Communication Equipment Connection
Ensure that all DC connectors are securely in place. Damage to the inverter due to moisture and dust penetration • Seal the unused DC inputs so that moisture and dust cannot penetrate the inverter. • Make sure all DC connectors are securely sealed. 5.7 Communication equipment connection Danger to life due to electric shock when live components are touched.
Page 52: Rs485 Cable Connection
5.7.1 RS485 cable connection The pin assignment of the RJ45 socket is as follows: The network cable meeting the EIA/TIA 568A or 568B standard must be UV resistant if it is to be used outdoors. Cable requirement : - Shielding wire - CAT-5E or higher - UV-resistant for outdoor use - RS485 cable maximum length 1000m...
Page 53: Smart Meter Cable Connection
5. Insert the network cable into the corresponding communication terminal of the inverter according to the arrow sequence, tighten the thread sleeve, and then tighten the gland. Disassemble the network cable in reverse order. 5.7.2 Smart meter cable connection Connection diagram Procedure: Loosen the gland of the connector.
Page 54: Wifi/4G Stick Connection
Remove the dust cap from the terminal of the meter connector，and connect the meter plug. 5.7.3 WiFi/4G stick connection 1. Take out the WiFi/4G modular included in the scope of delivery. 2. Attach the WiFi modular to the connection port in place and tighten it into the port by hand with the nut in the modular.
Page 55: Communication
Mehod 2 every inverter with 4G/WiFi Stick, every inverter can connect to internet. As shown above, we offer a remote monitoring platform called “TCL cloud”. You can also install the “TCL APP” on a smart phone using Android or an iOS operating system. You can visit the UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 56: Active Power Control With Smart Meter
WiFi stick only support single inverter to do active power control. • The overall length of the cable from inverter to smart meter is 100m. The active power limit can be set on “TCL APP” application, the details can be found in the user manual for the TCL APP. UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 57: Inverter Demand Response Modes (Dred)
6.3 Inverter demand response modes (DRED) DRMS application description • Only applicable to AS/NZS4777.2:2015. • DRM0, DRM5, DRM6, DRM7, DRM8 are available. The inverter shall detect and initiate a response to all supported demand response commands , demand response modes are described as follows: Mode Requirement DRM 0...
Page 58: Communication With Third-Party Devices
AiMonitor. 6.4 Communication with third-party devices TCL inverters can communicate with Solarlog or Meteocontrol, in other words, you can use Solarlog or Meteocontrol to monitor TCL inverters. For more information, please refer to their user manual.
Page 59: Commissioning
7 Commissioning Risk of injury due to incorrect installation • We strongly recommend carrying out checks before commissioning to avoid possible damage to the device caused by faulty installation. 7.1 Electrical checks Carry out the main electrical tests as follows: Check the PE connection with a multimeter: make sure that the inverter’s exposed metal surface has a ground connection.
Page 60: Mechanical Checks
Choose suitable safety code according to the location of installation. please visit website (https://www.tcl.com/global/en/photovoltaic) and download the TCL Cloud APP manual for detailed information, you can find "Grid code settings" in the TCL Cloud APP manual where an installer needs ...
Page 61 Quick Troubleshooting If the inverter is in "Fault" mode, refer to Section 11 "Troubleshooting". UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 62: Operation
8 Operation The information provided here covers the LED indicators. 8.1 Overview of the panel The inverter is equipped with three LEDs indicators. Object Description Normal (White LED) Communication (White LED) Fault (Red LED) UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 63: Leds
8.1.1 LEDs The inverter is equipped with two LED indicators “white” and “red” which provide information about the various operating states. LED A: The LED A is lit when the inverter is operating normally. The LED A is off The inverter is not feeding into the grid.
Page 64: Disconnecting The Inverter From Voltage Sources
9 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter, disconnect it from all voltage sources as described in this section. Always adhere strictly to the prescribed sequence. Destruction of the measuring device due to overvoltage •...
Page 65: Technical Data
10 Technical Data 10.1 DC input data Type TCL-GS3K-G1 TCL-GS3.6K-G1 4500Wp 5520Wp Max. PV array power(STC) 600V Max. input voltage 60V-560V MPP voltage range 360V Rated input voltage Initial feeding-in voltage Min. feed-in power Max. input current per MPP input...
Page 66 Type TCL-GS4K-G1 TCL-GS5K-G1 TCL-GS6K-G1 Max. PV array 6000Wp 7500Wp 9000Wp power(STC) Max. input voltage 600V MPP voltage range 60V-560V Rated input voltage 360V Initial feeding-in 100V voltage Min. feed-in power Max. input current per 16A/16A MPP input Isc PV(absolute 22.5A/22.5A...
Page 67: Ac Output Data
10.2 AC output data Type TCL-GS3K-G1 TCL-GS3.6K-G1 Rated active power 3000W 3680W Rated apparent AC 3000VA 3680VA power Max. apparent AC 3300VA 3680VA power Nominal AC voltage/ 220V,230V,240V/180V-295V range AC power frequency/ 50, 60/±5Hz range Max. output current Max. output fault current Max.
Page 68 Type TCL-GS4K-G1 TCL-GS5K-G1 TCL-GS6K-G1 Rated active power 4000W 5000W 6000W Rated apparent AC 4000VA 5000VA 6000VA power Max. apparent AC 4400VA 5500VA 6600VA power Nominal AC voltage/ 220V,230V,240V/180V-295V range AC power frequency/ 50, 60/±5Hz range Max. output current Max. output fault 42.5A...
Page 69: General Data
10.3 General data General data TCL-GS3K-G1/TCL-GS3.6K-G1/TCL-GS4K-G1/TCL-GS5K-G1/TCL-GS6K-G1 communication: ● / ● / ○/ ○ WIFI/Meter/RS485/ GPRS Display Earth Fault Alarm cloud based, audible(AU) Zero power output Via connecting Smart meter Dimensions 368x325x145 (W x H x D mm) 9.5Kg Weight convection Cooling concept <...
Page 70: Safety Regulations
2.4 GHz Radio spectrum <5W Standby power 10.4 Safety regulations TCL-GS3K-G1/TCL-GS3.6K-G1/TCL-GS4K-G1/TCL-GS5K- Protective devices G1/TCL-GS6K-G1 DC isolator ● PV iso / Grid monitoring ● / ● DC reverse polarity protection / AC short- circuit current ● / ● capability Residual current ●...
Page 71: Tools And Torque
10.5 Tools and torque Tools and torque required for installation and electrical connections. Tools, model Object Torque Torque screwdriver, T25 Screws for the cover 2.5Nm Screw for second protective grounding connection Torque screwdriver, T20 1.6Nm Screws for connecting the inverter and wall bracket Flat-head screwdriver, DEVALAN DC connector...
Page 72: Troubleshooting
11 Troubleshooting When the PV system does not operate normally, we recommend the following solutions for quick troubleshooting. If an error occurs, the red LED will light up. There will have “Event Messages" display in the monitor tools. The corresponding corrective measures are as follows: Object Error Corrective measures...
Page 73 If this fault is still shown, contact the service. • Check the open-circuit voltages of the strings and make sure it is below the maximum DC input voltage of the inverter. If the input voltage lies within the permitted range and the fault still occurs, please call service.
Page 74: Maintenance
Dispose of the packaging and replaced parts according to the rules applicable in the country where the device is installed. Do not dispose the TCL inverter with normal domestic waste. INFORMATION Do not dispose of the product together with the household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site.
Page 75: Eu Declaration Of Conformity
• Radio Equipment Directive 2014/53/EU (L 153/62-106. May 22. 2014) (RED) TCL PV Tech (Shenzhen) Co., Ltd. confirms herewith that the inverters described in this manual are in compliance with the fundamental requirements and other relevant provisions of the above mentioned directives.
Page 76: Contact
16 Contact If you have any technical problems concerning our products, please contact TCL service. We require the following information in order to provide you with the necessary assistance: • Inverter device type • Inverter serial number • Type and number of connected PV modules •...
Page 77 UM0023_TCL-GS3-6K-G1_EN_V03.1_0425_TCL...
Page 78 Three phase string inverters User Manual TCL-GT12K-G1/TCL-GT15K-G1 TCL-GT17K-G1/TCL-GT20K-G1...
Page 79 Table of Contents 1 Notes on this Manual ................ 4 1.1 General Notes ......................4 1.2 Area of Validity ......................4 1.3 Target group ......................4 1.4 Symbols used in this manual ................5 2 Safety ....................7 2.1 Intended use ......................7 2.2 Important safety information ................
Page 80 5.5 DC connection ....................... 26 5.5.1 Requirements for the DC connetion ..............26 5.5.2 Assembling the DC connectors ................27 5.5.3 Disassembling the DC connectors ..............29 5.5.4 Connecting the PV Array ..................30 5.6 Conmunication equipment connection ............. 32 5.6.1 Mounting the WiFi or 4G Stick ................
Page 81 10.1 DC input data ....................... 47 10.2 AC output data ....................48 10.3 General data ......................50 10.4 Safety regulations ....................51 10.5 Tools and torque ....................52 11 Troubleshooting ................54 12 Maintenance .................. 57 12.1 Cleaning the contacts of the DC-switch ............57 12.2 Cleaning the heat sink ..................
Page 82: Notes On This Manual
1 Notes on this Manual 1.1 General Notes TCL-GT-G1 series inverter is a three-phase transformerless string inverter with two independent MPPTs. It converts the direct current (DC) generated by the photovoltaic (PV) module into a three-phase alternating current (AC) and feeds it into the utility grid.
Page 83: Symbols Used In This Manual
• Knowledge of how an inverter works and is operated • Training in how to deal with the dangers and risks associated with installing, repairing and using electrical devices and installations • Training in the installation and commissioning of electrical devices and installations •...
Page 84 NOTICE indicates a situation which, if not be avoided, can result in property damage. INFORMATION that is important for a specific topic or goal, but is not safety-relevant. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 85: Safety
2 Safety 2.1 Intended use 1. TCL-GT-G1 series inverter converts the direct current from the PV arrays into grid-compliant alternating current. 2. TCL-GT-G1 series inverter is suitable for indoor and outdoor use. 3. TCL-GT-G1 series inverter must only be operated with PV arrays (PV modules and cabling) of protection class II in accordance with IEC 61730, application class A.
Page 86: Important Safety Information
2.2 Important safety information Danger to life due to electric shock when live components or cables are touched • All work on the inverter must only be carried out by qualified personnel who have read and fully understood all safety information contained in this manual.
Page 87: Symbols On The Label
Risk of injury due to electric shock Touching an ungrounded PV module or array frame can cause a lethal electric shock. • connect and ground the PV modules, array frame and electrically conductive surfaces so that there is continuous conduction. Risk of burns due to hot enclosure parts Some parts of the enclosure can get hot during operation.
Page 88 Beware of high voltage and operating current The inverter operates at high voltage and current. Work on the inverter must only be carried out by skilled and authorized electricians. Beware of hot surfaces The inverter can get hot during operation. Avoid contact during operation.
Page 89: Unpacking
3 Unpacking 3.1 Scope of delivery Obje Description Quantity Inverter 1 piece Wall bracket 1 piece 3 pairs(12-15K) DC connector 4 pairs(17-20K) AC connector 1 piece Documentation 1 piece Screw accessory 1 piece 4G/ WiFi Stick 1 piece Communication Cover 2 pieces Please carefully check all the components in the carton.
Page 90: Mounting
4 Mounting 4.1 Requirements for mounting Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires. • Do not mount the inverter on flammable construction materials. • Do not mount the inverter in areas where flammable materials are stored.
Page 91 Direction Min. clearance (mm) above below sides Clearances for one inverter Clearances for multiple inverters In order to avoid power reduction caused by overheating, do not mount the inverter in a location that allows long-term exposure to direct sunlight. Ensure optimum operation and extend service life, avoid exposing the inverter to direct sunlight, rain and snow.
Page 92 The mounting method, location and surface must be suitable for the inverter's weight and dimensions. If mounted in a residential area, we recommend mounting the inverter on a solid surface. Plasterboard and similar materials are not recommended due to audible vibrations when in use. Don’t put any objects on the inverter.
Page 93: Mounting The Inverter
4.2 Mounting the inverter Risk of injury when lifting the inverter, or if it is dropped The weight of TCL inverter is max. 18.6 kg. There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall bracket.
Page 94 Risk of injury due to the product falls down If the depth and distance of the holes is not correct, the product maybe fall down from the wall. •Before inserting the wall anchors, measure the depth and distance of the holes.
Page 95 4. Check both sides of the outer fin of the inverter to ensure that it is securely in place. 5. Attach the outer fins of heat sink to both sides of the wall bracket using M4 screws. (screw driver type: PH2, torque: 1.6 Nm). Dismante the inverter in reverse order.
Page 96: Electrical Connection
5 Electrical connection 5.1 Safety Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter.
Page 97: Electrical Connection Panel
5.2 Electrical Connection Panel Object Description DC-switch MPP1 connector (12K-20K has 2 pairs of terminals) MPP2 connector (12K-15K has 1 pair of terminals, 17K-20K has 2 pairs of terminals) RS485 Communication interface COM1/2 Communication Stick interface COM3 AC connector Additional grounding screw UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 98: Electrical Connection Diagram With A Separate Dc Isolator
5.3 Electrical connection diagram with a separate DC isolator Local standards or codes may require that a separate DC isolator should be installed next to the inverter. The separate DC isolator must disconnect each PV string of the inverter so that the entire inverter can be removed if the inverter is faulty.
Page 99 Object Description Value External diameter 10…16 mm Conductor cross-section 2.5…6 mm Stripping length of the insulated conductors Approx. 13 mm Stripping length of the AC cable’s outer Approx.53 mm sheath The PE insulated conductor must be 2 mm longer than the L and N conductors Larger cross-sections should be used for longer leads.
Page 100: Ac Circuit Breaker
This is necessary, for example, in an IT system if there is no neutral conductor present and you intend to install the inverter between two line conductors. If you are uncertain about this, contact your grid operator or TCL. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 101: Grid Connection
Safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated. In order to guarantee safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated, carry out one of the following measures: • Connect a copper-wire grounding conductor with a cross-section of at least 10 mm²...
Page 102 Damage to the inverter due to wrong wiring If the phase line was connected to PE terminal, the inverter will not function properly. • Please ensure that the type of the conductors matches the signs of the terminals on the socket element. 3.
Page 103: Additional Grounding Connection
5.4.3 Additional grounding connection If additional grounding or equipotential bonding is required locally, you can connect additional grounding to the inverter. This prevents touch current if the grounding conductor on the AC connector fails. Procedure: 1. Align the terminal lug with protective conductor. 2.
Page 104: Dc Connection
5.5 DC connection Danger to life due to high voltages in the inverter Touching the live components can lead to lethal electric shocks. • Before connecting the PV generator, ensure that the DC-switch is switched off and that it cannot be reactivated. •...
Page 105: Assembling The Dc Connectors
5.5.2 Assembling the DC connectors Danger to life due to high voltages on DC conductors When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors. Touching the DC conductors can lead to lethal electric shocks. •...
Page 106 2. Put the positive and negative metal terminals onto the stripped cables respectively and press them tightly with a crimping pliers (H4TC0002, AMPHENOL). The two bent wings pointed by the arrows are stop structures and cannot be crimped. 3. Insert the positive and negative cables with crimped metal terminals into the corresponding positive and negative connectors and snap them into place.
Page 107: Disassembling The Dc Connectors
5.5.3 Disassembling the DC connectors Danger to life due to high voltages on DC conductors When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors. Touching the DC conductors can lead to lethal electric shocks. •...
Page 108: Connecting The Pv Array
is in the "OFF" position. Disassembly of AC connector: Unscrew the screw sleeve of the AC connector head counterclockwise, and then pull out the AC connector. Disassembly of communication connector: Unscrew the screw sleeve of the data acquisition stick or communication connector head counterclockwise, and then pull out the data acquisition stick or communication connector.
Page 109 must be reassembled again. The DC cable must always have the same polarity as the DC connector. 5. Ensure that the open-circuit voltage of the PV strings does not exceed the maximum DC input voltage of the inverter. 6. Unplug the sealing plug on the input end of the DC connector and connect the assembled DC connectors to the inverter until they audibly snap into place.
Page 110: Conmunication Equipment Connection
Make sure the stick is securely connected and the label on the modular can be seen. The communication stick interface COM3 is only applicable to TCL products and can not be connected to any other USB devices.
Page 111: Connect The Rs485 Network Cable
5.6.2 Connect the RS485 network cable The inverter can be destroyed by wrong communication wiring • Internal components of the inverter can be irreparably damaged due to incorrect wiring between the power wire and signal wire. All the warranty claim will be invalid. •...
Page 112: Connect The Smart Meter Cable
the following arrows and plug the correctly connected wire into the waterproof RS485 communication client in the optional accessories. 3. Insert the cable into the corresponding communication connector in the order of the arrow, tighten the sleeve and the forcing head screw at the tail.
Page 113: Communication
6 Communication 6.1 System monitoring via WLAN User can monitor the inverter through the external 4G/WiFi stick module. The connection diagram between the inverter and internet is shown as following two pictures, both two methods are available. Please note that each 4G/WiFi stick can only connect to 5 inverters in method1.
Page 114: Active Power Control With Smart Meter
As shown above, we offer a remote monitoring platform called “TCL cloud”. You can also install the “TCL APP” on a smart phone using Android or an iOS operating system. You can visit the website (https://www.tcl.com/global/en/photovoltaic) for system information. And download the user manual for the TCL Cloud Web or TCL APP.
Page 115: Remote Firmware Update
• WiFi stick only support single inverter to do active power control. • The overall length of the cable from inverter to smart meter is 100m. The active power limit can be set on “TCL APP” application, the details can be found in the user manual for the TCL APP.
Page 116: Communication With The Third Party Device
If an Earth Fault Alarm occurs, the red color LED indicator will light up. At the same time, the error code 38 will be sent to the TCL Cloud. (This function is only available in Australia and New Zealand)
Page 117: Commissioning
7 Commissioning 7.1 Electrical check Carry out the main electrical checks as follows: ① Check the PE connection with a multimeter: check that the inverter’s exposed metal surface has a grounding connection. Danger to life due to the presence of DC-Voltage Touching the live conductors can lead to lethal electric shocks.
Page 118: Mechanical Check
Danger to life due to the presence of AC-Voltage Touching the live conductors can lead to lethal electric shocks. • Only touch the insulation of the AC cables. • Wear personal protective equipment such as insulating gloves. ⑤ Check the grid voltage: check that the grid voltage at the point of connection of the inverter is within the permitted range.
Page 119: Safety Code Check
Choose suitable safety code according to the location of installation. please visit website (https://www.tcl.com/global/en/photovoltaic) and download the TCL Cloud APP manual for detailed information, you can find "Grid code settings" in the TCL Cloud APP manual where an installer needs ...
Page 120 During periods of low radiation, the inverter may continuously start up and shut down. This is due to insufficient power generated by the PV array. If this fault occurs often, please call service. If the inverter is in “Fault” mode, refer to chapter 11 “Troubleshooting”. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 121: Display
8 Display 8.1 Overview of the control panel The inverter is equipped with a display panel, which has 3 LED indicators. A B C Object Description Normal (White LED) Communication (White LED) Fault (Red LED) 8.2 LED indicators The three LED indicators from top to bottom are: SOLAR power indicator When the inverter is in the standby self-checking state, the white light flashes.
Page 122: Disconnecting The Inverter From Voltage Sources
When the inverter communicates with other devices normally, the white light flashes. If communication is abnormal or not connected, the light is off. Fault indicator The light is on when the invert is faulty or when external conditions cannot be grid-connected or when it is working improperly.
Page 123 Danger to life due to electric shock when touching exposed DC conductors or DC plug contacts if the DC connectors are damaged or loose The DC connectors can break or become damaged, become free of the DC cables, or no longer be connected correctly if the DC connectors are released and disconnected incorrectly.
Page 124 6. Wait until all LEDs and the display have gone out. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 125: Technical Data
10 Technical data 10.1 DC input data TCL- TCL- TCL- TCL- Type GT12K- GT15K- GT17K- GT20K- Max. PV modules Power 18000W 22500W 25500W 30000W (STC) Max. input voltage/ 1100V/630V Rated input voltage MPP voltage range 150～1000 V Full load MPP voltage 400～850V...
Page 126: Ac Output Data
(3) The full-load MPP voltage range of the inverter is the value measured under the rated AC voltage. If you have any questions, please consult local service personnel. 10.2 AC output data TCL- TCL- TCL- TCL- Type GT12K- GT15K-G1 GT17K-G1...
Page 127 Adjustable displacement 0.80 ind - 0.80 cap power factor Inrush current <10A @250us (peak and duration) Harmonic distortion (THD) at the rated < 3% power Night-time power <1 W loss Standby power loss <12 W Overvoltage category in accordance with IEC60664-1 (1) The AC voltage range depends on the local safety standards and rules.
Page 128: General Data
10.3 General data Type TCL-GT12-15K-G1 TCL-GT17-20K-G1 Net weight 17.3 KG 18.6KG Dimensions(L×W×D) 503×435×183 mm Mounting environment Indoor and Outdoor Mounting recommendation Wall bracket Operating temperature range -25…+60℃ Max. permissible value for relative humidity ( non- 100% condensing ) Max. operating altitude...
Page 129: Safety Regulations
10.4 Safety regulations Type TCL-GT-G1 Series inverter Internal overvoltage Integrated protection DC insulation Integrated monitoring DC injection Integrated monitoring Grid monitoring Integrated Residual current Integrated monitoring Integrated (Three-phase monitoring) Islanding protection EN61000-6-1 EMC immunity EN61000-6-2 EN61000-6-3 EMC emission EN61000-6-4 EN61000-3-2, EN61000-3-3 Utility interference EN61000-3-11，EN61000-3-12...
Page 130: Tools And Torque
10.5 Tools and torque Tools and torque required for installation and electrical connections. Tools, model Object Torque Torque screwdriver, Screws for the cover 3.0 Nm Torque screwdriver, Screws for wall bracket 1.6Nm Screw for second grounding Flat-head screwdriver, Sunclix DC connector blade with 3.5mm Torque screwdriver, Screw for second protective...
Page 131 ESD glove Wear ESD glove when opening the inverter Safety goggle Wear safety goggle during drilling holes. Anti-dust respirator Wear anti-dust respirator during drilling holes. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 132: Troubleshooting
11 Troubleshooting When the PV system does not operate normally, we recommend the following solutions for quick troubleshooting. If an error occurs, the red LED will light up. There will have “Event Messages" display in the monitor tools. The corresponding corrective measures are as follows: Error Object Corrective measures...
Page 133 modules. If this fault is still shown, contact the service. • Check the open-circuit voltages of the strings and make sure it is below the maximum DC input voltage of the inverter. If the input voltage lies within the permitted range and the fault still occurs, please call service.
Page 134 is reliable. If this fault occurs often, contact the service. • Disconnect the inverter from the utility grid and the Permanent PV array and reconnect it after LED turn off. Fault If this fault is still being displayed, contact the service.
Page 135: Maintenance
12 Maintenance Normally, the inverter needs no maintenance or calibration. Regularly inspect the inverter and the cables for visible damage. Disconnect the inverter from all power sources before cleaning. Clean the housing, cover and display with a soft cloth. Ensure the heatsink at the rear of the inverter cover is not covered. 12.1 Cleaning the contacts of the DC-switch Clean the contacts of the DC-switch once per year.
Page 136: Recycling And Disposal
• Low Voltage Directive 2014/35/EU.(L 96/357-374, March 29, 2014)(LVD). • Radio Equipment Directive 2014/53/EU (L 153/62-106. May 22. 2014) (RED) TCL PV Tech (Shenzhen) Co., Ltd. confirms herewith that the inverters described in this document are in compliance with the fundamental requirements and other relevant provisions of the above mentioned directives.
Page 137: Warranty
If these conditions are not met, TCL has the right to refuse to provide with the relevant warranty service. UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 138: Contact
16 Contact If you have any technical problems concerning our products, please contact TCL service. We require the following information in order to provide you with the necessary assistance: • Inverter device type • Inverter serial number • Type and number of connected PV modules •...
Page 139 UM0014_TCL-GT12-20K-G1_EN_V03.1_0425_TCL...
Page 140 T C L H o m e U s e r M a n u a l 1 . 0 1 、 A p p I n s t a l l M e t h o d 1 : D o w n l o a d a n d i n s t a l l t h e a p p f r o m t h e a p p s t o r e •...
Page 141 S t e p 2 C r e a t e a c c o u n t . • E n t e r y o u r n a m e a n d e m a i l a d d r e s s . •...
Page 142 S t e p 2 C l i c k Q u i c k l o g i n . • C l i c k Q u i c k l o g i n . •...
Page 143 S t e p 4 E n t e r a n e w p a s s w o r d a n d c l i c k C o n f i r m t o l o g i n a g a i n . S t e p 1 S t e p 3 S t e p 3 ...
Page 144 S t e p 1 S t e p 2 S t e p 3 S t e p 4 S t e p 5 S e l e c t t h e P l a n t t o a s s o c i a t e i n t h e "...
Page 145 S t e p 6 S t e p 5 3 . 1 . 1 A d d P l a n t S t e p 1 F i l l i n t h e p l a n t i n f o r m a t i o n E n t e r P l a n t N a m e S t e p 1 ◦...
Page 146 ◦ C l i c k t h e " P l a n t t y p e " f i e l d a n d s e l e c t t h e t y p e o f p l a n t ( P V + B a t t e r y 、 P V + G r i d + C o n s u m p t i o n 、...
Page 147 ◦ C l i c k t h e " N e x t " b u t t o n a t t h e b o t t o m o f t h e p a g e t o s a v e t h e c o n f i g u r a t i o n a n d p r o c e e d t o t h e n e x t s t e p .
Page 148 S t e p 1 S t e p 2 S t e p 3 S t e p 4 S t e p 5 4 、 T r a n s f e r p l a n t S t e p 1 O p e n t h e a p p , l o g i n t o y o u r a c c o u n t , a n d n a v i g a t e t o t h e d e v i c e h o m e p a g e t o v i e w t h e c o r r e s p o n d i n g l i s t o f p o w e r s t a t i o n c a r d s .
Page 149 S t e p 1 S t e p 3 S t e p 2 S t e p 4 5 、 T h e i n t r o d u c t i o n o f P l a n t f u n c t i o n s S t e p 1 T h e P l a n t p a g e : p o w e r p l a n t n a m e , e n e r g y f l o w d i a g r a m , d a t a o v e r v i e w , p r o d u c t i n t r o d u c t i o n a n d f u n c t i o n a l a r e a s P o w e r p l a n t n a m e ：...
Page 150 M a n a g e m e n t ： Y o u c a n a d d y o u r T C L h e a t p u m p o r E V c h a r g e r t o t h e p o w e r s t a t i o n f o r u n i f i e d m a n a g e m e n t .
Page 151 D e v i c e t y p e : h e r e t h e d e v i c e i s c a t e g o r i z e d a c c o r d i n g t o d i f f e r e n t c o m m u n i c a t i o n s t a t u s a n d o p e r a t i o n s t a t u s o f t h e d e v i c e , u s e r s c a n q u i c k l y f i l t e r a n d l o c a t e t h e d e v i c e t h e y n e e d t o v i e w a c c o r d i n g t o d i f f e r e n t c a t e g o r i e s .

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