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Summary of Contents for INVT iMars BG10KTR
- Page 1 Operation Manual Photovoltaic Grid-connected Inverter INVT Solar Technology (Shenzhen) Co., Ltd.
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Page 3: Preface
Preface The manual is intended to provide detailed information of product information, installation, application, trouble shooting, precautions and maintenance of iMars series grid-tied solar inverters. The manual does not contain all the information of the photovoltaic system. Please read this manual carefully and follow all safety precautions seriously before any moving, installation, operation and maintenance to ensure correct use and high performance of operation on the inverter. -
Page 4: Table Of Contents
iMars grid-tied solar inverters Contents Contents Preface ..............................1 Contents..............................2 1 Safety precautions ......................... 5 1.1 Icons ................................6 1.2 Safety guidelines .............................6 1.2.1 Delivery and installation .......................7 1.2.2 Grid-tied operation .........................8 1.2.3 Maintenance and inspection......................8 1.2.4 What to do after scrapping......................9 2 Product overview ......................... - Page 5 iMars grid-tied solar inverters Contents 4.2.1 Installation tools........................... 19 4.2.2 Installation site ..........................19 4.2.3 Specification of cable ......................... 21 4.2.4 Micro breaker ..........................22 4.3 Mechanical installation ........................22 4.3.1 Installation of inverter ......................... 23 4.4 Electrical connection ........................... 26 4.4.1 Connection of photovoltaic string ....................
- Page 6 iMars grid-tied solar inverters Contents 6.4.2 History ............................41 6.4.3 Statistics ............................42 6.4.4 Parameter settings ........................42 6.4.5 System Information........................50 6.4.6 Current faults ..........................50 6.4.7 Inverter control..........................50 6.5 Grid certification choice ........................51 7 Monitoring communication....................... 54 7.1 Standard communication........................
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Page 7: Safety Precautions
Safety precautions iMars grid-tied solar inverters 1 Safety precautions iMars series grid-tied solar inverters are designed and tested strictly in accordance with relevant international safety standards. As an electrical and electronic device, all relevant safety regulations must be strictly complied during installation, operation, and maintenance. Incorrect use or misuse may result in：... -
Page 8: Icons
Safety precautions iMars grid-tied solar inverters 1.1 Icons This manual provides relevant information with icons to highlight the physical and property safety of the user to avoid device damage and physical injury. The icons used in this manual are listed below: Icons Name Instruction... -
Page 9: Delivery And Installation
Safety precautions iMars grid-tied solar inverters The temperature of individual parts or the enclosure of the inverter–especially the heat sink may become hot in normal operation. There is a danger of burning. Do not touch. The inverter must be reliably grounded before operation. ... -
Page 10: Grid-Tied Operation
Safety precautions iMars grid-tied solar inverters Keep the installation site away from children and other public places which is easy to access. Remove the metal jewelry such as ring and bracelet before installation and electrical connection to avoid electric shock. ... -
Page 11: What To Do After Scrapping
Safety precautions iMars grid-tied solar inverters 5 minutes until the internal parts of the inverter are fully discharged. Please follow electrostatic protection norms and take correct protective measures because of the electrostatic sensitive circuits and devices in the inverter. ... -
Page 12: Product Overview
Product overview iMars grid-tied solar inverters 2 Product overview This chapter mainly describes the appearance, packaging accessories, nameplate, and other information of iMars series grid-tied solar inverters. -
Page 13: Solar Grid-Tied Power Generation System
Product overview iMars grid-tied solar inverters 2.1 Solar grid-tied power generation system 2.1.1 Application The photovoltaic grid-tied power generation system consists of solar modules, grid-tied inverter, metering devices and public grid. Figure 2.1 Application of iMars series grid-tied solar inverters Grid-tied solar inverter is the core of photovoltaic power generation system. -
Page 14: Products Appearance
Product overview iMars grid-tied solar inverters 2.2 Products appearance Figure 2.3 Products appearance Table 2-1 Parts instruction Name Instruction Cover Operational panel LED status light, LCD display, keypad DC switch On–off of the DC input (optional) DC input port For the connection of solar modules Communication port RS485 and EXT communication port AC terminal... -
Page 15: Nameplate
Product overview iMars grid-tied solar inverters 2.3 Nameplate Figure 2.4 Inverter nameplate （1）Trademark and product type （2）Model and important technical parameters （3）Certification system of the inverter confirming （4）Serial number, company name and country of origin... -
Page 16: Products Modules
Product overview iMars grid-tied solar inverters Icons Instruction TUV certification mark. The inverter is certified by TUV. CE certification mark. The inverter complies with the CE directive. CQC certification mark. The inverter passed CQC certification. EU WEEE mark. Cannot dispose of the inverter as household waste. 2.4 Products modules Table 2-2 Models of iMars grid-tied solar inverter Rated output power （W）... -
Page 17: Dimensions And Weight
Product overview iMars grid-tied solar inverters 2.5 Dimensions and weight Figure 2.5 Inverter dimensions Table 2-3 Inverter dimension and net weight Model H (mm) W (mm) D (mm) Net weight (kg) 4kW / 4kW–S / 5kW / 5kW-S / 6kW 8kW / 10kW Figure 2.6 Paper packages dimension Table 2-4 Packages dimension and gross weight... -
Page 18: Storage
Storage iMars grid-tied solar inverters 3 Storage If the inverter is not put into use immediately, the storage of inverter should meet the following requirements: Do not remove the outer packing. The inverter needs to be stored in a clean and dry place, and prevent the erosion of dust and water vapor. -
Page 19: Installation
Installation iMars grid-tied solar inverters 4 Installation This chapter describes how to install the inverter and connect it to the grid-tied solar system (including the connection between solar modules, public grid and inverter). Read this chapter carefully and ensure all installation requirements are met before installation. Only qualified electricians are allowed to install the inverter. -
Page 20: Unpacking Inspection
Installation iMars grid-tied solar inverters 4.1 Unpacking inspection The inverter has been thoroughly tested and rigorously checked before delivery, but damage may still occur during transportation. Before unpacking, check carefully whether the product information in the order is consistent with that on the nameplate of the package box and whether the product package is intact. -
Page 21: Before Installation
Installation iMars grid-tied solar inverters Table 4-1 Detailed delivery list of three-phase inverter Name Quantity 4kW / 4kW-S / 5kW / 5kW-S / 6kW / 8kW / 10kW inverter Installation bracket Operation manual Assembling bolts M5*20 Expansion bolts M6*50 Communication connector DC connector 2 pairs / 1 pair（4kW-S、5kW-S）... - Page 22 Installation iMars grid-tied solar inverters level as the LCD for viewing the parameters inverter conveniently. Figure 4.2 Optimal mounting height (2) The installation site must be well ventilated and away from raindrops or direct sunlight. (3) There must be enough pre-reserved space around the installation site for convenient disassemble of the inverter and air convection, as shown in Fig 4.3.
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Page 23: Specification Of Cable
Installation iMars grid-tied solar inverters (6) The inverter should be installed on firm and solid surface such as wall surface and metal bracket. (7) The installation surface should be vertical to the horizontal line, as shown in Figure 4.4. (8) The installation should ensure that the inverter is reliably grounded, and the material of grounded metal conductor should be consistent with the metal material reserved for the grounding of the inverter. -
Page 24: Micro Breaker
Installation iMars grid-tied solar inverters Table 4-3 Cable specification DC side AC side Min cross section Min cross section Inverter model areamm² (Length≤50m) cross-section area mm² area (Length>50m) N/PE mm²(length≤50m) 4kW / 4kW-S / 5kW / 5kW-S / 6kW / 8kW / 10kW 4.2.4 Micro breaker In order to ensure safe operation of the inverter and circuits, it is recommended to configure... -
Page 25: Installation Of Inverter
Installation iMars grid-tied solar inverters 4.3.1 Installation of inverter Figure 4.5 Installation bracket of inverter Table 4-5 Dimension of installation bracket Spacing of installation hole Inverter model A(mm)*B(mm) 4kW / 4kW-S / 5kW / 5kW-S / 260*45 6kW / 8kW / 10kW The procedures for installation of inverter are listed below: (1) Use the punch positioning plate in the packaging box to determine the punch position. - Page 26 Installation iMars grid-tied solar inverters Figure 4.7 Drilling (3) Fix the expansion bolts to the 4 installation holes with hammer, as shown in Figure 4.8. Figure 4.8 Install expansion bolts (4) Fix the installation bracket onto the expansion bolts and ensure the installation is firm enough(tightening torque is 13N•m) .
- Page 27 Installation iMars grid-tied solar inverters Figure 4.10 Installation of inverter (6) Ensure the inverter is installed properly and tighten the M5X20 bolts into the screw holes on the left and right side of inverter(tightening torque is 3N•m). As shown in Figure 4.11. Figure4.11 Installation of M5X20 bolts...
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Page 28: Electrical Connection
Installation iMars grid-tied solar inverters 4.4 Electrical connection This section presents the detailed contents and safety precautions related to electrical connection. Fig 4.13 is the connection diagram for PV grid-connected system. Fig 4.12 Connection diagram for PV grid-connected system Electrical connection must be carried out by professional technicians as wrong operation may cause damage to the device, physical injuries or even death during system operation. -
Page 29: Connection Of Photovoltaic String
Installation iMars grid-tied solar inverters 4.4.1 Connection of photovoltaic string Figure 4.13 MC4 DC connector and PV string connection The procedures for connecting PV string t to the inverter DC input are shown below： (1) Before connecting PV string to inverter, ensure proper measures against lightening and short circuit have been taken;... - Page 30 Installation iMars grid-tied solar inverters (3) After the DC connector is connected, use a multimeter to measure the voltage of the DC input string, verify the polarity of the DC input cable, and ensure that the voltage of each string is within the allowable range of the inverter, as shown in Figure 4.14. Figure 4.14 DC input voltage measuring ...
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Page 31: Grid Connection
Installation iMars grid-tied solar inverters 4.4.2 Grid connection Table 4-6 Description of AC connector. Inverter AC connector Three phase grid Note L1（A） L2（B） L3（C） Must be connected The steps to access the grid are as follows: Figure 4.15 Wiring of AC connector (1) Before connect the three-phase AC grid cable to the inverter, take lightning and short circuit protection measures in accordance with the local electrical safety codes (2) As shown in Figure 4.15, connect and fasten L1, L2, L3, N and PE conductors of the... -
Page 32: Operation
Operation iMars grid-tied solar inverters 5 Operation This chapter describes detailed operation of the inverter which involves the inspection before operation, grid-tied operation, stopping and daily maintenance of the inverter. -
Page 33: Inspection Before Operation
Operation iMars grid-tied solar inverters 5.1 Inspection before operation The following items must be checked strictly before running the PV grid-connected inverter (including but not limited to the following items): (1) Ensure the installation site meet the requirement mentioned in section 4.2.2 for easy installation, removing, operation and maintenance. -
Page 34: Inverter Stop
Operation iMars grid-tied solar inverters green indicator flickers, other indicators are off: inverter is powered on and under self-inspection, wait for enough light to fulfill grid-connected condition Run green indicator is on and other indicators are off: inverter self-inspection has passed and grid-connected power generation is on –... -
Page 35: Periodic Maintenance On The Inverter
Operation iMars grid-tied solar inverters 5.4.1 Periodic maintenance on the inverter Maintenance Item Inspection mode period Adopt monitoring software to read the inverter data in Save the real time, and backup the data recorded by monitoring inverter software periodically. Save the inverter running data, Once per quarter running data parameters and logs into the file, check the monitoring... -
Page 36: Maintenance Guidance
Operation iMars grid-tied solar inverters 5.4.2 Maintenance guidance Clean the inverter The cleaning steps are listed below: (1) Disconnect the connection on input and output side; (2) Wait for ten minutes; (3) Clean the surface and air inlet/outlet of the inverter with soft brush or vacuum cleaner; (4) Repeat the operations in section 5.1;... - Page 37 Operation iMars grid-tied solar inverters Fig 5.2 Disassemble the fan box (5) Clean the inverter cooling bin and fan with soft brush or vacuum cleaner. (6) Install the screws and covers of cooling bin or fan box to their original place. (7) Install the inverter to its original place again according to section 4.
- Page 38 Operation iMars grid-tied solar inverters (4) Disconnect all the electrical wirings at the bottom of the inverter; (5) Lift up the inverter with the help of others and take the inverter off the wall; (6) Place the inverter on the operation platform; (7) Disassemble the fan box as shown in Fig 5.2;...
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Page 39: Display And Operation Panel
Display and operation pane iMars grid-tied solar inverters 6 Display and operation panel This chapter describes the panel displaying and how to operate on the panel, which involves the LCD display, LED indicators and operation panel. -
Page 40: Led Indicators
Display panel iMars grid-tied solar inverters 6.1 LED indicators There are three LED indicators on the panel: (1) “Run”, operation indicator, green; (2) “Warn” recoverable fault indicator, yellow; (3) “Fault”, unrecoverable fault indicator, red. The inverter state includes 6 states of stand-by, self-inspection, power generation, recoverable fault and unrecoverable fault;... -
Page 41: Operation Panel
Display panel iMars grid-tied solar inverters Inverter state LED indicators Description (1) Inverter stand-by. Temperature abnormal(E006); Warn (2) Inverter stand-by. DC input fault (E001); Fault Yellow indicator keeps on, others off Hardware or software fault (E003, E004, E005, E008, E009, E011, E013 or E015). De-couple the inverter Warn from the system before maintenance. -
Page 42: Lcd Screen
Display panel iMars grid-tied solar inverters 6.3 LCD screen Figure 6.1 Operation panel All information is displayed on the LCD screen. The background illumination of LCD screen will go out to save power if there is not button operation in 15 seconds. But it can be activated by pressing any button. -
Page 43: Functions Operation
Display panel iMars grid-tied solar inverters (3) State display area displays current running state of the inverter, which can display “self-inspection”, “grid-connected power generation”, “alarm”, “fault” and “OFF” state; (4) Dynamic fault code and menu entrance. When the state display area displays “alarm” or “fault”, the dynamic fault code area will display corresponding fault code (display up to 8 fault codes). -
Page 44: Statistics
Display panel iMars grid-tied solar inverters “Historical record” can display 32 pieces of historical information, press “ ” or “ ” key to look through the historical information, press “ESC” to return. The number on the upper right corner of the first row is the number of historical record, the 2 row (as shown in Fig 6.5) displays the date and time when fault occurred or restored, and the 3... - Page 45 Display panel iMars grid-tied solar inverters LCD menus:...
- Page 46 Display panel iMars grid-tied solar inverters Table 6-3 Parameters setting Setting item LCD display Instruction Enter into the interface and edit the data through “ ” or “ ”. And then R S 4 8 5 A d d r e s s press “ENT”...
- Page 47 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction editing the four bits, press “ENT” to save the edition and press “ESC” to exit. The default password is“0000”; the user can enter into the setting interface without password. If the password is not “0000”, the user can enter into the setting interface with password.
- Page 48 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction The DC input mode includes “independent” and “parallel”: “independent mode” is the independent MPPT of Track A and Track B; “parallel mode” is the parallel MPPT of Track A and Track B. The default mode is “independent”.
- Page 49 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction Input password The password is needed when enter 0000 into the interface of “Set power”. Get the password from the supplier if necessary. There are 3 submenus: ① set power P-Lmt Mode P-Lmt Mode: invalid (limited power...
- Page 50 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction Input password 0000 Run Param UV Volt OV time UV time UF Freq OV Volt UF time Password is required when enter into ACUV Volt(phase volt) the interface of “Run Param”. Get the 184V password from the supplier if ACUV Time...
- Page 51 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction Input Password 0000 Run Param UV volt 1 OV time 1 UV time 1 UF Freq 1 OV volt 1 UF time 1 ACUV Volt(phase volt) 115V ACUV Time 00.04s There are 2 protections under ACOV Volt(phase volt)
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Page 52: System Information
Display panel iMars grid-tied solar inverters 6.4.5 System Information Press “ ” and “ ” in the main interface to select “System Information”, and then press “ENT” to view the parameters which is shown in Figure 6.8. System Information Part No . Serial No . -
Page 53: Grid Certification Choice
Display panel iMars grid-tied solar inverters Table 6-4 Inverter control Control item LCD display Instruction Control the “On/Off” through the panel. Press “ ” and “ ” in the control O n / O f f C t r l On/Off control interface to select the operation. - Page 54 Display panel iMars grid-tied solar inverters Press the “ ” or “ ” button to select the country (refer to the below table), press the ENT button to complete the setting. After finish the country setting, please follow the user manual required with the proper use of inverter.
- Page 55 Display panel iMars grid-tied solar inverters Three-phase Grid Country Certification voltage frequency New Zealand Belgium Luxembourg C10/C11 380~400V 50Hz Holland Denmark TF3.2.1 380~400V 50Hz Thailand 380V 50Hz China CGC/CF001 380V 50Hz Italy ENEL 400V 50Hz The user can change the country setting through the following ways: LCD screen：MENU→Main Menu: Setup→Setup Menu: Country→Country: V - p v 1 : 0 0 0 .
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Page 56: Monitoring Communication
Monitoring communication iMars grid-tied solar inverters 7 Monitoring communication This chapter describes the communication connection of inverter and monitoring system (Industrial master, private computers, smart phones and so on). -
Page 57: Standard Communication
Monitoring communication iMars grid-tied solar inverters 7.1 Standard communication The standard communication mode of iMars grid-tied solar inverter is RS485 which includes “RS485-M” and “RS485-S” ports. The RS485-M ports can communicate with private computers, smart phones and so on. The system monitoring solution is shown as Figure 7.1. Figure 7.1 Monitoring system of inverter Table 7-1 Pins on inverter instruction Pin on inverter... - Page 58 Monitoring communication iMars grid-tied solar inverters Figure 7.2 RS485 pin on inverter Figure 7.3 Communication connector Connection steps: (1) Connect the communication connector configured for the inverter to the RS485 terminal of the inverter, as shown in Fig 7.4; (2) According to Table 7-1, connect the communication connector pinout and the user's device, make sure the connection is correct.
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Page 59: Optional Communication
Monitoring communication iMars grid-tied solar inverters 7.2 Optional communication The optional communication modes include Ethernet and WIFI, which also need corresponding communication parts and components as shown in Table7-2. All operation parameters of the inverter are output from port “RS485-M” to the communication devices, finally transmitted to the monitoring system as standard Ethernet and WIFI signal. -
Page 60: Troubleshooting
Troubleshooting iMars grid-tied solar inverters 8 Troubleshooting This chapter describes the fault alarm and fault code for quick troubleshooting. - Page 61 Troubleshooting iMars grid-tied solar inverters Table 8-1 Fault code Fault code Message Instruction Fault analysis PV1 undervoltage A001 Input UV Input undervoltage PV2 undervoltage A002 Bus UV Bus undervoltage DC input A003 Grid UV AC undervoltage Low voltage of the public grid A004 Grid OV AC overvoltage...
- Page 62 Troubleshooting iMars grid-tied solar inverters If any problem, please contact with the supplier and provide following information: Model of the inverter: Serial No. of the inverter: System version:——version 1: ——version 2: ——MCU software version: Fault code: ...
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Page 63: Contact Us
Contact us iMars grid-tied solar inverters 9 Contact us China· Shenzhen INVT Solar Technology (Shenzhen) Co., Ltd. Address: Room 504, No. 7 Building, Gaofa Scientific Industrial Park, Longjing, Nanshan District, Shenzhen, China Service hotline: +86 400 700 9997 E-mail: solar-service@invt.com.cn INVT group website: www.invt.com... -
Page 64: Technical Parameters
Technical parameters iMars grid-tied solar inverters 10 Technical parameters Table 10-1 Technical parameters of three phase grid-tied solar inverter Three-phase Model BG4KTR BG4KTR-S BG5KTR BG5KTR-S BG6KTR BG8KTR BG10KTR Max. DC voltage (V) 1000 1000 1000 Starting voltage (V) MPPT voltage range(V) 200-800 200-800 200-800...
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Questions and answers
Yellow light bninking, kseb 63 amp 2 fuse lut of three phone main blown off today and replaced but inverter not producing power, yellow light blinkjng code 01.A003
The yellow blinking light code A003 on the INVT iMars BG10KTR inverter indicates a public grid fault. The yellow Fault indicator blinks every 0.5 seconds, and other indicators are off.
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Helep mi imars bg10ktr password