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INVT XD7KTL User Manual
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INVT XD7KTL User Manual

INVT XD7KTL User Manual

Hybrid inverter
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INVT |
User Manual
Hybrid Inverter
XD7~10KTL
I

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Summary of Contents for INVT XD7KTL

  • Page 1 INVT | User Manual Hybrid Inverter XD7~10KTL...

  • Page 2: Table Of Contents

    Contents Chapter 1 Introduction ............................................ 1 Chapter 2 Safety Precautions ........................................... 2 2.1 Safety Symbols ..........................................2 2.2 Precautions for Operation ....................................... 2 Chapter 3 Product Introduction ........................................3 3.1 Intended User ..........................................3 3.2 Product Overview ........................................... 3 3.3 Safety Instructions .......................................... 4 3.4 Schematic Diagram of the Basic System ..................................
  • Page 3 8.2.6 Self-test State........................................47 8.2.7 Standby State ........................................47 8.2.8 Power-off State ....................................... 47 8.3 Setting Inverter Parameters via Invt Solar App ................................48 Chapter 9 System Maintenance ........................................48 9.1 Regular Maintenance of Inverter ....................................48 9.2 Powering Off the Inverter ......................................49 9.3 Removing the Inverter ........................................

  • Page 4: Chapter 1 Introduction

    Introduction Chapter 1 Introduction This Manual describes the specification, installation, operations and maintenance of INVT hybrid inverter. Please read this Manual carefully to understand the safety information, functions and features of the product before installing and using it. The information provided in this Manual is subject to update from time to time due to product improvements. The latest version...

  • Page 5: Chapter 2 Safety Precautions

    Single-phase Hybrid Solar Inverter Product Introduction Chapter 2 Safety Precautions Improper use may result in risk of electric shock or burns. This Manual provides important instructions for installation and maintenance of the product. Please read this Manual carefully before using the product, and keep it for future reference. 2.1 Safety Symbols The following are the safety symbols used in this Manual to indicate potential safety risks and important safety instructions.

  • Page 6: Chapter 3 Product Introduction

    In the case of electric power failure, the hybrid inverter can provide energy to the load as a backup power supply. This Manual applies to the following hybrid inverter models: XD7KTL\XD8KTL\XD10KTL Overview:...

  • Page 7: Safety Instructions

    Single-phase Hybrid Solar Inverter Product Introduction Description Description Battery Terminal PV+ Input Terminal COM-1 (RS485 / Wi-Fi / GPRS PV- Input Terminal communication) COM-2 (Smart meter RS485 USB Port (Software Upgrade) communication) DRM's RJ45 Interface CT's RJ45 Interface BMS lithium battery communication & Generator Dry Contact CAN1 (Parallel Communication) CAN2 (Parallel Communication)
  • Page 8 Single-phase Hybrid Solar Inverter Product Introduction 8. The hybrid inverter system should be connected to the power grid only after getting permission. 9. Turn off the PV switch before installing a solar PV panel during the sunny daytime, or there could be a serious risk of electric shock.

  • Page 9: Schematic Diagram Of The Basic System

    Single-phase Hybrid Solar Inverter Product Introduction 3.4 Schematic Diagram of the Basic System WLAN Web Interface GPRS Cloud Monitoring Mobile Terminal Solar Panels Regular Household Load Power Grid Current Transformer Generator Critical Load Battery As shown in the above diagram, a complete hybrid inverter system in XD series consists mainly of the solar PV panels, hybrid inverter, battery and power grid.

  • Page 10: Chapter 4 Installation

    Single-phase Hybrid Solar Inverter Installation Chapter 4 Installation 4.1 Unpacking Inspection The inverter has been fully tested and strictly inspected before delivery, but damage may still occur during transportation. Before unpacking, carefully check whether the product information indicated on the carton is consistent with that indicated in the Purchase Order, and whether the product package is in good condition.

  • Page 11: Before Installation

    Single-phase Hybrid Solar Inverter Installation Name Quantity Communication Board Protection Cover DC Connector (pair) Accompanying Documents (set) M6×50 Stainless-steel Expansion Bolt M6×16 Combination Bolts M6 Nut M6 Flat Washer M4 Screws Output CT Parallel Connection Cable Ground Terminal Please check the above items carefully, and contact your dealer immediately if you have any questions. 4.2 Before Installation 4.2.1 Installation Tools Table 4-2 List of Installation Tools...

  • Page 12: Space Requirements

    Single-phase Hybrid Solar Inverter Installation Fig. 4-2. Sunshade (6) The ambient temperature should be between -30℃~60℃. (7) Install the inverter away from electronic devices with strong electromagnetic interference. (8) The product should be installed on a fixed and solid object surface, such as a wall or metal bracket. (9) The installation position must provide reliable grounding for the inverter, and the grounding metal conductor must be made of the same material as the reserved grounding metal conductor of the inverter.

  • Page 13: Dimension Of Mounting Bracket

    Single-phase Hybrid Solar Inverter Installation (3) To install more than one inverter, please keep a certain distance between the inverters and at the top/bottom of the inverters (see Fig. 4-5), so as to facilitate heat dissipation. Fig. 4-5 Installation Dimension of Side-by-side Inverters (4) The mounting surface should be upright (see Fig.

  • Page 14: Product Dimension And Weight

    Single-phase Hybrid Solar Inverter Installation 4.5 Product Dimension and Weight Fig. 4-8 Overall Dimension of Inverter Dimension and net weight of Hybrid Inverter: Height (H) Width (W) Depth (D) Net Weight Model No. (mm) (mm) (mm) (kg) XD7-10KTL Packaging Dimensions and Gross Weight Height (H) Width (W) Depth (D)

  • Page 15: Installation Of Inverter

    Single-phase Hybrid Solar Inverter Installation Step 3: Secure the mounting bracket with a torque of 5N•m. 4.7 Installation of Inverter Step 1: Take the inverter out of the carton. Step 2: If the installation position is high, you can lift up the inverter to install it to the mounting bracket. Use a hoisting device to lift the inverter off the ground by 100 mm, then pause and check the fastening of the lifting ring and ropes.

  • Page 16: Chapter 5 Electrical Connection

    Single-phase Hybrid Solar Inverter Commissioning Chapter 5 Electrical Connection 5.1 Electrical Connection Overview This product supports the following power grid systems. Note: if the power grid system contains a N wire, the neutral to ground voltage should be lower than 10V. Inverter Inverter Inverter...
  • Page 17 Single-phase Hybrid Solar Inverter Commissioning Note  Make sure the BACK-UP grounding wire is properly connected and secured; otherwise, the BACK-UP function may fail in the case of power grid failure.  The following wiring method is applicable for regions other than Australia, New Zealand and South Africa. Special Note for Germany: In off-grid mode, the internal relay will connect the off-grid side wire to the ground wire within 100ms.

  • Page 18: Pv Wiring

    Single-phase Hybrid Solar Inverter Commissioning 5.2 PV Wiring MC4 connectors are provided at DC input side of the hybrid inverter. Below are the connection steps: Turn off the DC switch. Connect the positive terminal and negative terminal of the PV module respectively to the PV+ port and PV- port of the hybrid inverter.

  • Page 19: Bat Wiring

    Single-phase Hybrid Solar Inverter Commissioning Note: 1. If you use the grid connection function only, connect the power grid to the GRID port of the inverter. 2. Do not directly connect the GRID port to the EPS port or the generator port, as this could cause damage to the inverter. 3.

  • Page 20: Communication Connection

    Single-phase Hybrid Solar Inverter Commissioning 5.5 Communication Connection 5.5.1 Connection of Lithium Battery To use a lithium battery, you need to connect the BMS system of the lithium battery in the following steps: Unscrew the rubber nut on the waterproof cover of the hybrid inverter; 2.

  • Page 21: Ct Connection

    Single-phase Hybrid Solar Inverter Commissioning Note: The probe of the temperature sensor used to monitor the ambient temperature of the lead-acid battery should be shorter than 1.5 m; if you use lithium battery instead, there is no need to install a temperature sensor. 5.6 CT Connection The current transformer (CT) used on the inverter can help monitor the energy use of the domestic consumer.

  • Page 22: Connection Of Smart Meter (Optional)

    Single-phase Hybrid Solar Inverter Commissioning Turn on the current transformer, and you will see an arrow indicating the direction of the current, as shown above. Pass the L wire through the detection hole of the current transformer and then lock the current transformer. Note: The direction of the arrow (from K to L) corresponds to the L wire direction from the grid to the inverter.

  • Page 23: Generator Dry Contact Connection

    Single-phase Hybrid Solar Inverter Commissioning 5.8 Generator Dry Contact Connection The inverter has a dedicated generator interface. When using a generator, connect the dry contact of the generator as follows: Set the generator to automatic mode. Connect the generator's dry contact to pins 5 and 7 of the inverter's DRY IO. Definition of DRY IO interface: Generator Pin 1...

  • Page 24: Parallel Connection Wiring

    Single-phase Hybrid Solar Inverter Commissioning 5.10 Parallel Connection Wiring Master-Slave Setting: Setting Info 10.Auti-Reflux Setting 11.Set Parallel Role Press the OK key. Set Parallel Role Role: 1 Phase Master Press the Up or Down key to select master and slave mode.

  • Page 25: Chapter 6 Commissioning

    Single-phase Hybrid Solar Inverter Commissioning Chapter 6 Commissioning 6.1 Startup Step 1: Close the AC circuit breaker of the inverter at GRID side. Step 2: Close the DC circuit breaker of the inverter at BAT side. Step 3: Close the AC circuit breaker of the inverter at EPS side. Step 4: Turn on the PV switch of the inverter.

  • Page 26: Chapter 7 Parameter Settings

    Single-phase Hybrid Solar Inverter Parameter Settings Chapter 7 Parameter Settings On the LCD screen, you can check the current state of the system, energy flow diagram, operation information and fault information, or set the language, priority of charging and discharging and system time. The main screen shows the energy flow diagram by default.

  • Page 27: Pv Input Information

    Single-phase Hybrid Solar Inverter Parameter Settings 7.1.1 PV Input Information Here you can check the PV input voltage, current and power. Press the Enter key to go to the PV Info page. Press the ESC key to exit the PV Info page. 7.1.2 AC Output Information Here you can check the AC voltage, frequency and current as well as the meter power.

  • Page 28: Basic Information

    Single-phase Hybrid Solar Inverter Parameter Settings 7.1.5 Basic Information Here you can check the date & time, rated power, serial number, communication address and firmware version. Press the Enter key to go to the Basic Info page. Press the ESC key to exit the Basic Info page.

  • Page 29: Setting Info" Page

    Single-phase Hybrid Solar Inverter Parameter Settings Press the ESC key to exit the Password Info page. Enter the password in the following steps. Press the Up or Down key to increase or reduce the number. Press the OK key. Press the Up or Down key to increase or reduce the number.

  • Page 30: Date & Time Setting

    Single-phase Hybrid Solar Inverter Parameter Settings 7.2.1 Date & Time Setting Press the OK key. Press the Up or Down key to increase or reduce the number. Press the OK key. Press the Up or Down key to increase or reduce the number.

  • Page 31: Com Address Setting

    Single-phase Hybrid Solar Inverter Parameter Settings Press the Up or Down key to increase or reduce the number. Press the OK key. Press the Up or Down increase reduce the number. Press the OK key. Press the OK key. Wait for 3 seconds. 7.2.2 COM Address Setting Press the OK key.

  • Page 32: Language Setting

    Single-phase Hybrid Solar Inverter Parameter Settings Press the Up or Down increase reduce the number. Press the OK key. Press the Up or Down increase reduce the number. Press the OK key. Press the OK key. Wait for 3 seconds. 7.2.3 Language Setting Press the OK key.

  • Page 33: Meter Settings

    Single-phase Hybrid Solar Inverter Parameter Settings 7.2.4 Meter Settings On the BAT & Meter Setting page, you can select the CT mode or a meter manufacturer. See the following steps. Press the OK key. Press the Up or Down key to select the CT mode or meter manufacturer.
  • Page 34 Single-phase Hybrid Solar Inverter Parameter Settings adjustable parameters are LV, HV, Charge Curr, and Discharge Curr. For lithium batteries, the adjustable parameters are maximum charge current, maximum discharge current, DOD (Depth of Discharge), and BatWakeUp (Battery Wake-up function, which disables automatically after 5 minutes).
  • Page 35 Single-phase Hybrid Solar Inverter Parameter Settings Bat & Meter Setting: Sensor: BAT Type: Charge Curr: DisCharge Curr: Press the OK key. You can set the lithium battery parameters in the following steps. Press the OK key. Press the OK key. Bat &...

  • Page 36: Country Setting

    Single-phase Hybrid Solar Inverter Parameter Settings not further explained. Press the OK key. Bat & Meter Setting Sensor: BAT Type: VestWoods Charge Curr: Discharge Curr: DOD: BatWakeUp: Disable Press the OK key. Wait for 3 seconds. 7.2.6 Country Setting Press the OK key. Press the Up or Down select country...

  • Page 37: Eps Setting

    Single-phase Hybrid Solar Inverter Parameter Settings 7.2.7 EPS Setting Press the OK key. Disable the off-grid mode in the following steps. Press the Up or Down key to select "Enable" or "Disable". Press the OK key. Press the OK key. Wait for 3 seconds.

  • Page 38: Priority Setting

    Single-phase Hybrid Solar Inverter Parameter Settings Press the Up or Down " " key to select Enable " Disable " Press the OK key. Press the Up or Down key to increase or reduce voltage value. Press the OK key. Press the Up or Down key to increase or reduce...
  • Page 39 Single-phase Hybrid Solar Inverter Parameter Settings Press the OK key. Press the Up or Down enable disable the AC Charge function. Press the OK key. Press the Up or Down key to select a time interval. Press the OK key. Press the Up or Down enable disable the active time...
  • Page 40 Single-phase Hybrid Solar Inverter Parameter Settings Press the Up or Down key to increase or reduce Charge Power value. Press the OK key. Press the OK key. Wait for 3 seconds. Set Grid First mode in the following steps. Press the OK key. Press the OK key.

  • Page 41: Autotest Setting

    Single-phase Hybrid Solar Inverter Parameter Settings Press the Up or Down key to increase or reduce time duration. Press the OK key. Press the Up or Down key to increase or reduce Stop Discharge SOC value. Press the Up or Down key to increase or reduce the Discharge Power value.

  • Page 42: Restore Factory Setting

    Single-phase Hybrid Solar Inverter Parameter Settings Italy is selected, the AutoTest Setting page is shown below. " " Press the OK key. The Real value will vary with time once you start the auto test. Press the OK key. When an item has been tested, you can see its trigger limit and test result. The information is updated automatically.
  • Page 43 Single-phase Hybrid Solar Inverter Parameter Settings Press the OK key. Press the Up or Down enable disable the clearing of energy data. Press the OK key. Press the Up or Down enable disable the clearing of fault history. Press the OK key. Press the Up or Down enable disable the reset of...

  • Page 44: Anti-Reflux Meter Settings

    Single-phase Hybrid Solar Inverter Parameter Settings 7.2.11 Anti-reflux Meter Settings These settings are used to enable/disable the anti-reflux meter, select the meter type, and limit grid power. Meter Setting Setting Info 10.Auti-Reflux Setting Anti-Reflux: Disable 11.Set Parallel Role Sensor: Power Limit 000Kw Press the OK key to go to the Meter Setting page.

  • Page 45: Generator Function Settings

    Single-phase Hybrid Solar Inverter Parameter Settings 7.2.13 Generator Function Settings The generator will start operating only when the inverter detects a grid outage and the battery SOC is too low. Setting Info Setting Info 10.Auti-Reflux Setting Model Close 11.Set Parallel Rol e Input port Rated Power 10Kw...

  • Page 46: Chapter 8 System Debugging

    Single-phase Hybrid Solar Inverter System Maintenance Chapter 8 System Debugging 8.1 LCD Screen and Keys 8.1.1 LCD Screen Fig. 8-1...

  • Page 47: Leds, Screen And Keys

    Single-phase Hybrid Solar Inverter System Maintenance Position Description State Fault code RS485 communication CAN communication USB port Smart meter Fault warning Date Time PV input PV power Hybrid Inverter Battery indicator (20% × 5 bars) Battery power Power Grid Grid power Critical load Load power Energy flow arrow...

  • Page 48: Working Mode

    Single-phase Hybrid Solar Inverter System Maintenance Green LED remaining on: in the on-grid state. Green LED flashing: during the power-on self-test. Green and yellow LED flashing: during the programming process. Yellow LED remaining on: in the off-grid state. Red LED remaining on: in the fault state. LCD screen Return key OK key...

  • Page 49: Generator Operation Mode

    1. In Grid First mode or Bat First mode, you can only set one period on the LCD screen. If you need to set more periods, please use Invt Solar App. 2. To charge the battery by AC power, you need to enter your login password and then enable the AC Charge function.

  • Page 50: Smart Load Operation Mode

    8.2.4 Fault State INVT Hybrid Inverter has an intelligent control system that can continuously monitor and adjust the state of the system. In case of a system fault or device fault, the fault information will be displayed on the LCD screen and the corresponding LED will be turned Note: See Section 10.1 for more fault information.

  • Page 51: Setting Inverter Parameters Via Invt Solar App

    To ensure normal operation of the inverter, please use Invt Solar App to set the parameters of the hybrid inverter first. Invt Solar App is a mobile App that can communicate with the hybrid inverter via Wi-Fi or GPRS. It allows you to: Check the running data, software version and fault information of the inverter;...

  • Page 52: Powering Off The Inverter

    Single-phase Hybrid Solar Inverter System Maintenance Maintenance Process Interval Item Check whether the cable connections and the terminals of the inverter become Electrical Every loose. Check the cables for damage, especially whether there are any cuts on the Connection months cable sheath that may come in contact with metal surface.

  • Page 53: Chapter 10 Troubleshooting

    Single-phase Hybrid Solar Inverter Troubleshooting Chapter 10 Troubleshooting Fault Codes and Troubleshooting If you are not professional at troubleshooting, contact your dealer for help. Please wear personal protective equipment and power off the inverter before troubleshooting! WARNING This Chapter lists the faults by a list of fault codes, so that you can find troubleshooting actions quickly. You can use the following methods to do troubleshooting.
  • Page 54 Single-phase Hybrid Solar Inverter Troubleshooting Table 10-1 Fault Codes of Inverter Fault Fault Fault Actions Type Code Information reverse 01-01 Check if the PV panel polarity is reversed. connection Check whether the PV panel is connected properly, and High 01-02 whether the PV voltage is higher than the maximum working voltage voltage of the inverter.
  • Page 55 Single-phase Hybrid Solar Inverter Troubleshooting Fault Fault Fault Actions Type Code Information temperature Abnormal 06-04 ambient temperature Abnormal 06-05 buck-boost temperature Open circuit of 06-06 thermistor Insulation Insulation Check whether the inverter and PV panel are grounded monitoring 07-01 monitoring reliably.
  • Page 56 Single-phase Hybrid Solar Inverter Troubleshooting Fault Fault Fault Actions Type Code Information Open circuit of 11-01 relay Relay Restart the inverter. If the fault still exists, contact your failure dealer. Short circuit of 11-02 relay Internal Internal Restart the inverter. If the fault still exists, contact your 12-01 fan failure failure...
  • Page 57 Single-phase Hybrid Solar Inverter Troubleshooting Fault Fault Fault Actions Type Code Information Level-1 over- resume normal operation when the power grid gets back to 33-02 frequency normal. AC power 2. If the fault occurs frequently, check whether the power grid is connected properly.
  • Page 58 Single-phase Hybrid Solar Inverter Troubleshooting Fault Fault Fault Actions Type Code Information Synchronizatio 1. Check the parallel CAN connection. 40-4 n zero- 2. Check the master-slave settings. crossing Fault...
  • Page 59 Single-phase Hybrid Solar Inverter Troubleshooting Table 10-2 Warning Codes of Inverter Fault Type Fault Code Fault Information Displayed Information Please turn off the inverter and open the input and output switches, and turn on the inverter 01-07 Internal fan 1 Malfunction again 5 minutes later.
  • Page 60 Single-phase Hybrid Solar Inverter Troubleshooting EPS Current Exceeds 07-05 1.2x EPS Current Exceeds 07-06 1.1x...

  • Page 61: Chapter 11 Product Specifications

    Single-phase Hybrid Solar Inverter Product Specifications Chapter 11 Product Specifications...
  • Page 62 Single-phase Hybrid Solar Inverter Product Specifications XD7KTL XD8KTL XD10KTL Battery Parameters Battery type Lithium battery or lead-acid battery Battery voltage (V) 40-60 Maximum charge discharge current (A) Communication mode CAN, 485 DC input Maximum input voltage (V) Startup On-grid Voltage (V)
  • Page 63 Single-phase Hybrid Solar Inverter Product Specifications Arc fault detection Optional Display and communication Display RS485 Supported Supported WIFI/4G/LAN Supported Bluetooth Supported General Specifications Ambient temperature -30℃～+60℃ Topology High-frequency isolation (for battery) Ingress protection IP66 0~100% Communication RS485 & CAN & Wi-Fi & 4G & LAN & Bluetooth Maximum working altitude 4000 Noise...
  • Page 64 Hotline: +86 400 700 9997 E-mail: solar-service@invt.com.cn Website: www.invt-solar.com INVT Solar Technology (Shenzhen) Co., Ltd. 2th Floor, Block B, INVT Guangming Technology Building, Songbai Road, Matian, Guangming District, Shenzhen, China This Manual is subject to change without prior notice due to product improvements. All rights reserved. Reproduction is prohibited without prior written permission.

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