INVT iMars series Operation Manual
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INVT iMars series Operation Manual

Pv energy storage inverter
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Operation
Manual
iMars series
PV Energy Storage Inverter
INVT Solar Technology (Shenzhen) CO., LTD

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Summary of Contents for INVT iMars series

  • Page 1 Operation Manual iMars series PV Energy Storage Inverter INVT Solar Technology (Shenzhen) CO., LTD...

  • Page 3: Preface

    The use of the iMars series energy storage inverters must comply with local laws and regulations on grid-tied power generation. The manual needs to be kept well and be available at all times.

  • Page 4: Table Of Contents

    PV energy storage inverter Content Content Preface ..............................1 Content ............................... 2 1 Safety precautions ........................... 5 1.1 Warning marks............................6 1.2 Safety guidance ............................6 1.3 Delivery and installation.........................8 1.3.1 Grid-tied operation .........................9 1.3.2 Maintenance and inspection......................9 1.3.3 What to do after scrapping......................10 2 Product overview ...........................
  • Page 5 PV energy storage inverter Content 4.2 Before installation ..........................20 4.2.1 Installation tools........................... 20 4.2.2 Specification of cable ......................... 23 4.2.3 Circuit breaker ..........................24 4.3 Mechanical installation ........................24 5 Electrical connection ........................26 5.1 PV connection ............................27 5.1.1 Procedures of PV connection ....................
  • Page 6 PV energy storage inverter Content 6.4.1 Parameter classification page ....................42 6.4.2 Parameter edit mode ........................42 6.4.3 Instruction for setup parameter ....................43 7 Working mode ..........................46 7.1 Mode 1(Self-consumption) ......................... 46 7.2 Mode 2(Peak- shaving and valley-filling) ..................47 7.3 Mode 3(EPS)............................

  • Page 7: Safety Precautions

    Safety precautions 1 Safety precautions iMars series energy storage 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: Warning Marks

    PV energy storage inverter Safety precautions 1.1 Warning marks Warning marks inform users of conditions which can cause serious physical injury or death, or damage to the device. They also tell users how to prevent the dangers. The warning marks used in...
  • Page 9 PV energy storage inverter Safety precautions  Do not carry out connection/disconnection, unpacking inspection and unit replacement operations on the inverter when power source is applied. Before wiring and inspection, users must confirm the breakers on DC and AC side of inverter are disconnected and wait for at least 5 minutes.

  • Page 10: Delivery And Installation

    PV energy storage inverter Safety precautions  Operators must wear personal protective equipment. 1.3 Delivery and installation  Keep the package and unit complete, dry and clean during storage and delivery.  Please remove and install the inverter with two or more people, because of the inverter is heavy.

  • Page 11: Grid-Tied Operation

    PV energy storage inverter Safety precautions 1.3.1 Grid-tied operation  Only qualified electricians are allowed to operate the inverter under the permission of local power departments.  All electrical connections must meet the electrical standards of the countries/regions in which the project is located.

  • Page 12: What To Do After Scrapping

    PV energy storage inverter Safety precautions 1.3.3 What to do after scrapping  Do not dispose of the inverter together with household waste. The user has the responsibility and obligation to send it to the designated organization for recycling...

  • Page 13: Product Overview

    Product overview iMars series PV energy storage inverter 2 Product overview This chapter mainly describes the appearance, packaging accessories, nameplate, and other information of iMars series energy storage inverters. 2.1 Energy storage system Figure 2.1 Energy storage system Energy storage...

  • Page 14: Product Appearance

    Product overview iMars series PV energy storage inverter 2.2 Product appearance 2.2.1 Key component description Figure 2.2.1 Appearance diagram of 3~5kW energy storage inverter Name Silk screen Operation display panel PV input terminal TrackA、TrackB E-stop switch ON/OFF AC terminal GRID...

  • Page 15: Nameplate

    Product overview iMars series PV energy storage inverter 2.2.2 Nameplate Figure 2.2.2 Nameplate for inverter...

  • Page 16: Drm Instruction

    Product overview iMars series PV energy storage inverter （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 Icons Instruction  TUV certification mark. The inverter is certified by TUV.

  • Page 17: Product Models

    Product name Model Single phase （L、N、PE） Single-phase energy storage inverter 3000 Single-phase energy storage inverter 4600 Note: Technical parameters of iMars series energy storage inverter refers to appendix. 2.4 Dimensions and weight Figure 2.4 Dimensions of the energy storage inverter...
  • Page 18 Product overview iMars series PV energy storage inverter Inverter dimension and net weight Model H(mm) W(mm) D(mm) Net weight (kg) 3kW/5kW Figure 3.3 Paper package size Package size and gross weight Model H(mm) W(mm) D(mm) Weight(kg) Packaging Material 3kW/5kW Paper...

  • Page 19: Storage

    PV energy storage inverter Storage 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 20: Installation

    PV energy storage inverter Installation 4 Installation This chapter describes the installation of the inverter and the connection of the inverter to the energy storage system. It mainly involves the connection of the PV string, the public power grid, the battery, and the load to the inverter.
  • Page 21 PV energy storage inverter Installation Delivery list of 3kW / 5kW energy storage inverter Name Quantity 3kW / 5kW / inverter AC connector Battery connector PV connector 2 pairs Network port communication cable RS485 communication cable CAN communication connector...

  • Page 22: Before Installation

    PV energy storage inverter Installation 4.2 Before installation 4.2.1 Installation tools...
  • Page 23 PV energy storage inverter Installation Select installation site according to below requirements: (1) The height of the installation position should ensure that the line of sight is on the same level as the LCD for viewing the parameters inverter conveniently.
  • Page 24 PV energy storage inverter Installation 、 Figure 4.2.1 Installation spacing In order to ensure good ventilation of the energy storage inverter, please reserve enough installation space around the inverter during installation.

  • Page 25: Specification Of Cable

    PV energy storage inverter Installation Installation spacing Minimum spacing Side spacing 200mm Top spacing 450mm Bottom spacing 450mm Figure 4.2.2 Inverter installation position  Do not open the surface cover of the inverter or replace any part as incomplete inverter may cause electric shock and damage the device during operation.

  • Page 26: Circuit Breaker

    PV energy storage inverter Installation 4.2.3 Circuit breaker In order to ensure safe operation of the inverter and circuits, it is recommended to configure the miniature circuit breaker or fuse of the corresponding specification on the DC input side, AC output side, load side and battery input side of the inverter.
  • Page 27 PV energy storage inverter Installation Use a rubber mallet to knock the expansion bolt into the mounting hole. Figure 4.3.2 Install the expansion bolt Install the wall mounting plate. Figure 4.3.3 Mounting bracket Install the energy storage inverter...

  • Page 28: Electrical Connection

    PV energy storage inverter Electrical connection 5 Electrical connection This section presents the detailed contents and safety precautions related to electrical connection. Fig 5.1 Connection diagram for energy storage system. Name PV string PV side DC switch Energy storage inverter...

  • Page 29: Pv Connection

    PV energy storage inverter Electrical connection  K3 is a bypass switch. When the inverter system is running normally, it is forbidden to close K3. Otherwise the inverter will be damaged.  When repairing, need to disconnect K1 and K2 before close K3.

  • Page 30: Procedures Of Pv Connection

    PV energy storage inverter Electrical connection  It is forbidden to connect the PE wire (ground wire) to the positive and negative poles of the PV strings, otherwise it will cause damage to the energy storage inverter. ...
  • Page 31 PV energy storage inverter Electrical connection Steps Assemble the positive and negative connectors. Figure 5.1.2 Crimp PV Connector (A) Positive metal terminal (B) Negative metal terminal (C) Crimping Tool (D) Positive connector (E) Negative connector (F) Open end wrench...
  • Page 32 PV energy storage inverter Electrical connection Figure 5.1.3 Measuring DC input voltage Insert the PV positive and negative connectors into the DC terminals corresponding to the energy storage inverter.  Connect PV string to the inverter and ensure tightly-fastened ...

  • Page 33: Grid And Load Connection

    PV energy storage inverter Electrical connection 5.2 Grid and load connection  Only qualified cables under the local electrical safety laws and regulations and comply with the technical parameters of this manual are allowed to connect to the inverter.
  • Page 34 PV energy storage inverter Electrical connection Figure 5.2 AC/load side and energy storage inverter wiring diagram...

  • Page 35: Battery Connection

    PV energy storage inverter Electrical connection 5.3 Battery connection  Only qualified cables under the local electrical safety laws and regulations and comply with the technical parameters of this manual are allowed to connect to the inverter. ...

  • Page 36: Can Communication Connection

    PV energy storage inverter Electrical connection 5.4 CAN communication connection CAN communication interface of the inverter is used to connect li-ion battery and inverter communication (Li-ion battery CAN communication protocol should comply with the CAN communication protocol of our company). Wiring mode of CAN communication interface is presented as below.

  • Page 37: Rs-485 Communication Connection

    PV energy storage inverter Electrical connection well-connected terminal to the inverter CAN communication interface and the connection between li-ion battery and inverter CAN communication interface is done. 5.5 RS-485 communication connection The RS-485 communication of inverter is used for upper PC monitoring and monitoring of our company’s WIFI200, GPRS200 communication.

  • Page 38: Usb Connection (Reserved)

    PV energy storage inverter Electrical connection Port no. Port definition RS2485- Figure 5.6 RS485 3 standard connector RS-485 communication interface definition Connector pin of inverter Pin definition communication +5VDC A（RS3485+） B（RS3485-） Users can select RS-485 1/2/3 to communicate during RS-485 communication. If selecting our company’s WIFI200, GPRS 200 for monitoring, users only need to connect WIFI200 and...

  • Page 39: Drm Ports

    PV energy storage inverter Electrical connection 5.7 DRM ports Table 7-3 DRM Pins on inverter instruction Pin on inverter Definition DRM1/5 DRM2/6 DRM3/7 DRM4/8 REFGEN Com/DRM0 Figure 7.5 DRM pins on inverter DRM connection steps: An external terminal is provided, the communication cable should be prepared by users.

  • Page 40: Lcd Operation Instructions

    PV energy storage inverter LCD operation instructions 6 LCD operation instructions 6.1 LED indicator instruction LED indicator Inverter state State description DC input and AC grid input meet relevant STANDBY Green indicator flashes conditions and self-test starts, stand-by state MODE after self-test is done.

  • Page 41: Icon Instruction

    PV energy storage inverter LCD operation instructions power generation eg energy flow outputted by PV battery panel and grid-connected energy flow; red arrow indicates the consumed energy flow eg battery discharge and energy flow consumed by load. Figure 6.2.2 Main interface of LCD display 6.2.3 Icon instruction...

  • Page 42: Display Menu

    PV energy storage inverter LCD operation instructions Icon Instruction Battery information, display parameters related to the battery Load information, display parameters related to the load, switch pages via UP/DOWN key. Set parameter, parameter setup entry menu of the inverter.
  • Page 43 PV energy storage inverter LCD operation instructions Icon name Parameter name Energy to grid this month Energy to grid this year Energy to gird accumulate Current fault Current alarm page (switch page via UP/DOWN Fault history page key)

  • Page 44: Inverter Parameter Setup

    PV energy storage inverter LCD operation instructions 6.4 Inverter parameter setup Select parameter setup icon via UP/DOWN key in the main page, then press “ENT” key and enter password validation interface. In password validation interface, there are two kinds of rights to select, namely “user”...

  • Page 45: Instruction For Setup Parameter

    PV energy storage inverter LCD operation instructions 6.4.3 Instruction for setup parameter Name of Name of setup parameter Menu Instruction/Range of the set vaule parameter group Connect PV connection mode: PV connect mode: parameter mode (0: Independent; 1:Parallel)
  • Page 46 PV energy storage inverter LCD operation instructions Name of Name of setup parameter Menu Instruction/Range of the set vaule parameter group 0: Disable; 1: Enable (Discharging time Discharge enable setting is effective after discharging is enabled) Starting time of charging,...
  • Page 47 PV energy storage inverter LCD operation instructions Name of Name of setup parameter Menu Instruction/Range of the set vaule parameter group 0: Disable; 1: Enable (allow the battery to Battery line enable discharge to the grid after enabling)

  • Page 48: Working Mode

    PV energy storage inverter Working mode 7 Working mode The energy storage inverter is equipped with the following working modes based on differing working conditions: 7.1 Mode 1(Self-consumption)  The energy generated by PV panel is used in local load first and then in battery charging, finally, the residual energy will be transmitted to the grid.

  • Page 49: Mode 2(Peak- Shaving And Valley-Filling)

    PV energy storage inverter Working mode 7.2 Mode 2(Peak- shaving and valley-filling) This mode is suitable for use in areas with peak and valley electricity price. According to the electricity price at different time periods, the corresponding time can be set to charge and discharge from the grid.

  • Page 50: Fault Code

    PV energy storage inverter Fault code 8 Fault code  This chapter mainly introduces fault alarms and fault codes for users to quickly identity the inverter fault  Table 7-1 Fault code for energy storage inverter Fault code...
  • Page 51 PV energy storage inverter Fault code Fault code Alert Instruction LLC over current LLC overcurrent PV1 voltage high PV1 overvoltage PV1 voltage low PV1 undervoltage PV2 voltage high PV2 overvoltage PV2 voltage low PV2 undervoltage PV1 over current...

  • Page 52: Technical Parameter

    PV energy storage inverter Technical parameter 9 Technical parameter Model iMars-BD3KTL iMars-BD5KTL PV DC input parameter (PV side) Max. input power 3300W 6600W Max. input voltage 500VDC Start voltage/min. working voltage 100V/80V MPPT voltage range 120~450V Number of MPPT / Strings per MPPT Max.
  • Page 53 PV energy storage inverter Technical parameter Model iMars-BD3KTL iMars-BD5KTL Battery side Battery type Li-ion/Lead acid Battery voltage（nominal） Battery voltage（range） 42-58V Max. charging current 100A Max. discharging current 100A Charging curve Three-stage System Max. efficiency 97.3% 97.6% PV-AC Euro efficiency 96.5%...

  • Page 54: Contact Us

    PV energy storage inverter Contact us 10 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...

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