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Summary of Contents for INVT iMars BG6KTR
- Page 1 Operation Manual iMars 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 4.2.2 Installation place ......................... 21 4.2.3 Connection cables ........................22 4.2.4 Miniature circuit breakers ......................23 4.3 Mechanical installation ........................23 4.3.1 Installation of three-phase inverter ....................23 4.4 Electrical installation ..........................26 4.4.1 Connection of solar modules....................27 4.4.2 AC connection ..........................
- Page 6 iMars grid-tied solar inverters Contents 6.4.4 Parameter settings ......................... 41 6.4.5 System Information ........................48 6.4.6 Faults ............................... 48 6.4.7 Inverter control ..........................48 6.4.8 Mode settings ..........................49 6.5 Grid certification choice ........................50 7 Monitoring communication....................... 53 7.1 Standard communication........................54 7.2 Optional 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 Injury to the life and personal safety of the operator or other people. -
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 All the electric installation needs to be compliance with the national or local laws and standards. 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. -
Page 10: Grid-Tied Operation
Safety precautions iMars grid-tied solar inverters Keep the installation site away from children and other public places. Remove the metal jewelry such as ring and bracelet before installation and electrical connection to avoid electric shock. Do cover solar modules with light-tight materials. Exposed to sunlight, solar modules will output dangerous voltage. -
Page 11: What To Do After Scrapping
Safety precautions iMars grid-tied solar inverters Please follow electrostatic protection norms and take correct protective measures because of the electrostatic sensitive circuits and devices in the inverter. Do not use parts and components not provided by our company during maintenance. Restart the inverter after settling the fault and problem which may affect the safety and performance of 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, technical parameters 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 Product overview iMars grid-tied solar inverters Figure 2.2Type of grid...
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Page 15: 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 LCD indicators Communication port DRM Communication port DC input port For the connection of solar modules Communication port RS485 and EXT communication port AC terminal For the connection of AC output... -
Page 16: 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 17: Drm Instruction
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 is certified by CQC EU WEEE mark. Cannot dispose of the inverter as household waste. 2.4 DRM instruction Figure 2.5 DRM label Table 2-2 DRMs instruction... -
Page 18: Products Modules
Product overview iMars grid-tied solar inverters 2.5 Products modules Table 2-3 Models of iMars grid-tied solar inverter Product name Model Rated output power Three-phase (L1,L2,L3,N,PE) Three-phase grid-tied solar inverter BG6KTR 6000 Three-phase grid-tied solar inverter BG8KTR 8000 Three-phase grid-tied solar inverter BG10KTR 10000 Note: Refer to the product specifications in chapter 10 for detailed information. -
Page 19: Dimensions And Weight
Product overview iMars grid-tied solar inverters 2.6 Dimensions and weight Figure 2.6 Inverter dimensions Table 2-4 Inverter dimension and net weight Net weight Model (mm) (mm) (mm) (kg) BG6KTR BG8KTR / BG10KTR Figure 2.6Paper packages dimension Table 2-4 Packages dimension and gross weight Gross Packaging Model... -
Page 20: 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 21: 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 22: Unpacking Inspection
Installation iMars grid-tied solar inverters 4.1 Unpacking inspection Inspect the information of the order and the name plate to ensure the product are the ordered one and no damage to the package. If any problem, contact the supplier as soon as possible. Put the inverter into the package if not used and protect it from humidity and dust. -
Page 23: Installation Place
Installation iMars grid-tied solar inverters Installation tools Instruction Straight screwdriver For AC wiring Megger Measuring insulation performance and impedance Multimeter Check the circuit and AC and DC voltage Electric iron Weld communications cable Wire crimper Crimp DC terminals 4.2.2 Installation place Select installation place based on the following considerations: (1) Height from ground level should be enough to ensure that display and status LCD are easy to read. -
Page 24: Connection Cables
Installation iMars grid-tied solar inverters Ensure there is sufficient space for heat-releasing. In generally, below space requirement should be met: Table 4-3 Detailed installation space Minimum clearance Lateral 400mm 500mm Bottom 500mm Figure 4.2 Installation position Do not remove any part and component of the inverter unintended; otherwise damage to the device and physical injury may occur. -
Page 25: Miniature Circuit Breakers
Installation iMars grid-tied solar inverters 4.2.4 Miniature circuit breakers It is recommended strongly to install circuit breakers or fuses at the DC input and AC output to ensure safe installation and running. In order to protect the PCE, user and installer, external DC and AC circuit breaker shall be equipped at the end-use application;... - Page 26 Installation iMars grid-tied solar inverters Table 4-6 Size of installation bracket Installation hole Model A(mm)*B(mm) BG6KTR /BG8KTR/ BG10KTR 260*45 Table 4-7Instruction of installation bracket Structure instruction Installation holeΦ8 Hexagon assembling bolt hole M5 Installation steps: (1) Put the mounting plate on the wall to determine the punch position. As shown in Figure 4.4. Level the holes with a level ruler and mark it with a marking pen.
- Page 27 Installation iMars grid-tied solar inverters (3) Fix the expansion bolts to the installation holes with hammer, as shown in Figure 4.6. Figure 4.6 Install expansion bolts (4)Fix the installation bracket onto the expansion bolts and ensure the installation is firm enough(tightening torque 8.5N m).
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Page 28: Electrical Installation
Installation iMars grid-tied solar inverters 4.4 Electrical installation This section proposes to describe detailed electrical installation and related safety instructions. Figure 4.10 Block diagram of the grid-tied solar system Improper operation during the wiring process can cause fatal injury to operator or unrecoverable damage to the inverter. -
Page 29: Connection Of Solar Modules
Installation iMars grid-tied solar inverters 4.4.1 Connection of solar modules Figure 4.11 Connection between DC connector and solar modules Connection steps: (1) Lighting, short-circuit and other protection measures which meet the local electrical safety laws and regulations are needed before the AC connection. Only qualified cables under the local electrical safety laws and regulations are allowed to connect. - Page 30 Installation iMars grid-tied solar inverters Figure4.12 DC input voltage measuring The solar modules connected with the inverter needs to be the configured ones other than some connecting devices without authorized. Otherwise, device damage, unstable operation or fire may occur. (4) Connect the DC connector with the inverter and ensure tightly-fastened. (5) Insert the screw-driver into the hole of the connector to remove the connector form the inverter.
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Page 31: Ac Connection
Installation iMars grid-tied solar inverters 4.4.2 AC connection Figure 4.13 AC connection of three-phase inverter Connection steps of three-phase inverter: (1) Before connecting 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 4.8, connect and fasten L1,L2,L3, N and PE conductors of the three-phase common grid to AC terminal with 0.5Nm torque, assemble the terminal tighten to 2.5-3Nm, and then connect the terminal to the AC port of the inverter. -
Page 32: 5Operation
Operation iMars grid-tied solar inverters 5Operation 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 Check as follows before operation (including but not limited to): (1) Ensure the installation site meet the requirement mentioned in section 4.2.2 for easy installation, removing, operation and maintenance. (2) Ensure the mechanical installation meet the requirement mentioned in section4.3. (3) Ensure the electrical installation meet the requirement mentioned in section 4.4. -
Page 34: Stopping
Operation iMars grid-tied solar inverters 5.3 Stopping Stop the inverter as follows it needs maintenance, inspection and troubleshooting: (1) Switch off the breakers at the AC side. (2) Switch off the integrated DC switch. (3) Switch off the switch on the DC side. (4) Wait at least 5 minutes until the internal parts and components are discharged. -
Page 35: Maintenance Guide
Operation iMars grid-tied solar inverters 5.4.2 Maintenance guide Clean the inverter Cleaning procedure is as follows: (1) Disconnect the input and output switches. (2) Wait ten minutes. (3) Use a soft brush or a vacuum cleaner to clean the surface and the inlet and outlet of the inverter. - Page 36 Operation iMars grid-tied solar inverters Figure 5.2 Disassembly of fan box (5) Clean the inverter heat sink and fan with a soft brush or vacuum cleaner. (6) Install the screws and cover of the heat sink or fan case to their original positions. (7) Reinstall the inverter to its original position in accordance with section 4.
- Page 37 Operation iMars grid-tied solar inverters (5) Lift the inverter with the help of others and remove the inverter from the wall. (6) Place the inverter on the operating platform. (7) Disassemble the fan case as shown in Figure 5.2. (8) As shown in Figure 5.3, remove the damaged inverter fan, install the good fan to the original position, and connect the fan power supply and control cable.
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Page 38: Display Panel
Display panel iMars grid-tied solar inverters 6 Display 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 39: 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 40: 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 41: 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 42: Functions Operation
Display panel iMars grid-tied solar inverters (3) 5 states of the inverter are displayed on the screen; (4) If the inverter is in fault or warning state, up to 8 corresponding fault codes can be displaying on the screen. 6.4 Functions operation Most of the parameters can be viewed and set through the LCD screen and operation panel. -
Page 43: Statistics
Display panel iMars grid-tied solar inverters 6.4.3 Statistics Press “ ” and “ ” in the main interface to select “Statistics”, and then press “ENT” to view the parameters which is shown in figure 6.6. S t a t i s t i c a l M e n u L i f e t i m e T o d a y Figure 6.6 Statistic information... - Page 44 Display panel iMars grid-tied solar inverters LCD menus:...
- Page 45 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 press R S 4 8 5 A d d r e s s RS485 0 0 1 “ENT”...
- Page 46 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction 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. Enter into the interface and edit the currency type and cash through “...
- Page 47 Display panel iMars grid-tied solar inverters Setting item LCD display Instruction mode” is the parallel MPPT of Track A and Track B. The default mode is “independent”. The input mode setting is invisible if the inverter is in power generation. It is only available during DC power on and AC power off.
- Page 48 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 ACUV Volt(phase volt) Password is required when enter into the 184V interface of “Run Param”. Get the password from the supplier if necessary.
- Page 49 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 50: 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 51: Mode Settings
Display panel iMars grid-tied solar inverters Refer to the table below for detailed information. 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 interface to select the operation. -
Page 52: Grid Certification Choice
Display panel iMars grid-tied solar inverters 6.5 Grid certification choice Power on the inverter by DC input for the first time or after Restore factory settings, it will appear on the LCD screen prompts as follows: S O L A R I N V E R T E R I n i t i a l i n g W a i t i n g >... - Page 53 Display panel iMars grid-tied solar inverters C e r t i f i c a t e A r e a S y s t e m I n f o r m a t i o n A S 4 7 7 7 P a r t N o .
- Page 54 Display panel iMars grid-tied solar inverters Reference Table: Grid certification and grid voltage and frequency of some countries Three-phase Grid Country Certification voltage frequency Germany France Greece Turkey Romania Slovakia VDE0126& AR-N4105 380~400V 50Hz Portugal Poland Hungary Switzerland Austria G83-2/G59-3 415V 50Hz Australia...
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Page 55: 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 56: 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 57 Monitoring communication iMars grid-tied solar inverters Figure 7.2 RS485 pin on inverter Figure 7.3 Communication connector Connection steps: (1) Weld communication cables to the RS485 terminals of the inverter as Figure 7.4 shows. Ensure the cable corresponds to the pin as table 7-1 shows and the welding is tight enough.
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Page 58: Optional Communication
GPRS signal ENET converter RS485-M Ethernet port Please download the connection instruction, operation manual and commissioning tools on website www.invt-solar.com. Note: the optional accessories are not standard-configured. 7.3 RS485-DRM ports Table 7-3 RS485-DRM Pins on inverter instruction Pin on inverter... - Page 59 Monitoring communication iMars grid-tied solar inverters Figure 7.5 RS485-DRM pin on inverter Figure 7.6Connection cable RS485-DRMconnection steps: Weld communication cables to the RS485-DRM terminals of the inverter as figure 7.6 shows; Ensure the cable corresponds to the pin as table 7-3 shows and the welding is tight enough. According to Table 7-3, connect the communication connector pinout and the user's device, make sure the connection is correct.
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Page 60: Troubleshooting
iMars grid-tied solar inverters Troubleshooting 8 Troubleshooting This chapter describes the fault alarm and fault code for quick troubleshooting. - Page 61 iMars grid-tied solar inverters Troubleshooting Table 8-1 Fault code Fault Message Instruction Faultanalysis code 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 iMars grid-tied solar inverters Troubleshooting Fault Message Instruction Faultanalysis code E015 OutputShort Output short-circuit Output short-circuit E018 Input OC Input overcurrent DC input overcurrent Data consistency Inconsistent grid voltage, frequency, leakage E019 Incnst fault current or AC/DC injection E020 PowerReversed DC power reversed DC power reversed...
- Page 63 iMars grid-tied solar inverters Troubleshooting 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: Fault description...
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Page 64: Contact Us
Contact us 9 Contact us Shenzhen·China 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 65: Technical Parameters
Technical parameters iMars grid-tied solar inverters 10 Technical parameters Table 10-1Technical parameters Three-phase Model BG6KTR BG8KTR BG10KTR Max. DC voltage (V) 1000 1000 1000 Starting voltage (V) MPPT voltage(V) 180~800 180~800 180~800 Operation voltage (V) 300 - 800 300 - 800 320 - 800 MPPT/strings per MPPT Input(DC) - Page 68 201807(V1.1)
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