INVT XD Series User Manual
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INVT XD Series User Manual

Single phase hybrid inverter
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User Manual
Hybrid Inverter
XD3~6KTL

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Summary of Contents for INVT XD Series

  • Page 1 User Manual Hybrid Inverter XD3~6KTL...

  • Page 2: Table Of Contents

    Single Phase Hybrid Inverter 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 ..........................4 3.1 Intended User............................4 3.2 Product Overview .............................4 3.3 Safety Instructions ............................5 3.4 Schematic Diagram of the Basic System ....................6 3.5 Product Features ............................7 Chapter 4 Installation ..............................8...
  • Page 3 Single Phase Hybrid Inverter Contents Chapter 8 System Debugging ..........................52 8.1 LCD Screen and Keys..........................52 8.2 Working Mode ............................54 8.3 Setting Parameters in Solarman App ....................... 56 Chapter 9 System Maintenance ..........................58 9.1 Regular Maintenance of Inverter ......................58 9.2 Powering Off 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...

  • Page 5: Chapter 2 Safety Precautions

    Single Phase Hybrid Inverter Safety Precautions 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.
  • Page 6 Single Phase Hybrid Inverter Safety Precautions and battery side, and then wait at least 5 minutes before proceeding to avoid electric shock. 4. When the inverter is running, the temperature of the casing is high. Do not touch it to avoid getting burned. 5.

  • Page 7: Chapter 3 Product Introduction

    3.2 Product Overview The inverter in XD series is intended to store the energy generated in the PV system or public power grid into the battery, and also output energy to the power grid. In the case of electric power failure, the hybrid inverter can provide energy to the load as a backup power supply.

  • Page 8: Safety Instructions

    Single Phase Hybrid Inverter Product Introduction Description Description Battery terminal RJ45 interface of DRMs (AS) RJ45 interface of CT Dry contact & NTC CAN2 (parallel communication) CAN1 (parallel communication) BMS lithium battery communication USB port (software upgrade) COM-1 (RS485 / Wi-Fi / GPRS COM-2 (smart meter / RS485 communication) communication)

  • Page 9: Schematic Diagram Of The Basic System

    10. Do not connect a PV string to more than one inverter, as this could cause damage to the inverters. 3.4 Schematic Diagram of the Basic System 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: Product Features

    Single Phase Hybrid Inverter Product Introduction 3.5 Product Features 1. Intelligent management system and multiple working modes, meeting different customer needs; 2. Allow you to set the priority of grid connection, battery type and other inverter information on the LCD screen;...

  • Page 11: Chapter 4 Installation

    Single Phase Hybrid Inverter Installation Chapter 4 Installation 4.1 Unpacking 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 on the purchase order and package label is consistent, and whether the product package is in good condition.

  • Page 12: Preparations For Installation

    Single Phase Hybrid Inverter Installation Fig. 4.1 Deliverables for Hybrid Inverter XD3~6KTL Table 4-1 List of Deliverables for Hybrid Inverter Name Quantity Inverter Mounting bracket Quick-connect AC terminal and hexagon screwdriver Wiring terminal DC connectors (pair) Accompanying documents (set) M6×50 stainless-steel expansion bolt M6 combination bolts M4 combination screws M6 nut...

  • Page 13: Space Requirements

    Single Phase Hybrid Inverter Installation Installation Tool Description Wire crimper To crimp the DC terminal Hydraulic crimper To crimp the AC O-terminal 4.2.2 Installation Conditions The inverter can be installed in an indoor or outdoor environment. During operation of the inverter, the housing and heat sinks will heat up. Do not install the inverter where it can be accessed easily.
  • Page 14 Single Phase Hybrid Inverter Installation Fig. 4.3 Best Mounting Height Leave adequate space around the inverter to facilitate air circulation, and future handling of the inverter. See Fig. 4.4. Fig. 4.4 Installation Spacing of Inverter To install more than one inverter, please keep a certain distance between the inverters and at the top/bottom of the inverters (see Fig.

  • Page 15: Dimension Of Mounting Bracket

    Single Phase Hybrid Inverter Installation tilt of ≤15° so as to facilitate heat radiation. Forward tilt, horizontal installation, upside-down installation, backward tilt of >15° and sideways tilt are not allowed. Fig. 4.6 Installation Location of Inverter 4.4 Dimension of Mounting Bracket Fig.

  • Page 16: Product Dimension And Weight

    Single Phase Hybrid 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) XD3~6KTL Dimension and gross weight Height Width Depth...

  • Page 17: Installation Of Inverter

    Single Phase Hybrid Inverter Installation Step 3: Fix the mounting bracket. Clean the holes, drive expansion bolts into the holes using a rubber hammer. Tighten the nut to fix the tail of the bolt using a wrench, and then remove the nut, spring washer and flat washer. Fix the wall mount bracket to the wall with the nuts using a tightening torque of 5N•m.
  • Page 18 Single Phase Hybrid Inverter Installation Step 4: Tighten M6×16 screws into the left and right holes of the radiator with a torque of 5 N•m so as to fix the inverter onto the mounting bracket.

  • Page 19: Chapter 5 Electrical Connection

    Single Phase Hybrid Inverter Electrical Connection 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. NOTE ➢...
  • Page 20 Single Phase Hybrid Inverter Electrical Connection 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.

  • Page 21: Pv Wiring

    Single Phase Hybrid Inverter Electrical Connection 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 22: Bat Wiring

    Single Phase Hybrid Inverter Electrical Connection Step 3: Connect the prepared AC terminal to the EPS port or GRID port of the hybrid inverter as shown below. Note: 1. If you use the grid connection function only, connect the power grid to the GRID port of the inverter. 2.

  • Page 23: Communication Connection

    Single Phase Hybrid Inverter Electrical Connection Note: 1. A DC switch is required between the battery and the inverter. 2. Power cable between the battery and the inverter: ≤1.5m in length, ≥ 16mm (5AWG) in cross sectional area. 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;...
  • Page 24 Single Phase Hybrid Inverter Electrical Connection Note: To use a lead-acid battery, you can jump directly to Section 5.5.2 without connecting the Communication cable. 5.5.2 Connection of Temperature Sensor To use a lead-acid battery, you need to connect a temperature sensor to monitor the surface temperature of the battery.

  • Page 25: Ct Connection

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

  • Page 26: Connection Of Smart Meter

    Single Phase Hybrid Inverter Electrical Connection Make sure the current transformer is installed in the correct direction as shown below. 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 direction from load to grid in the L wire.

  • Page 27: Connection Of Grounding Wire

    Single Phase Hybrid Inverter Electrical Connection 5.8 Connection of Grounding Wire The hybrid inverter should be grounded reliably. The grounding wire should be ≥10mm². The grounding point (GND) is shown below.

  • Page 28: Chapter 6 Commissioning

    Single Phase Hybrid 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 29: Chapter 7 Parameter Settings

    Single Phase Hybrid 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, charge and discharge priority and system time. The main screen shows the energy flow diagram by default.
  • Page 30 Single Phase Hybrid 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.
  • Page 31 Single Phase Hybrid Inverter Parameter Settings Press the ESC key to exit the Battery Info page. 7.1.4 EPS Output Information Here you can check the EPS voltage, frequency, current and power as well as the load power. Press the Enter key to go to the EPS Output Info page.
  • Page 32 Single Phase Hybrid Inverter Parameter Settings 7.1.6 Energy Information Here you can check daily and total energy generated by inverter, as well as daily battery charging/discharging energy and total battery charging/discharging energy. Press the Enter key to go to the Energy Info page.
  • Page 33 Single Phase Hybrid Inverter Parameter Settings Press the Enter key to go to the Fault Info page. Press the ESC key to exit the Fault Info page. Enter the password in the following steps. Press the Up or Down key to increase or reduce the number.

  • Page 34: Setting Info" Page

    Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce the number. Wait for 3 seconds. 7.2 “Setting Info” Page On the Setting Info page, you can set such parameters as the date & time, COM address, language, country and priority.
  • Page 35 Single Phase Hybrid Inverter Parameter Settings 7.2.1 Date & Time Setting Press the Enter key. Press the Up or Down increase or reduce the number. Press the Enter key. Press the Up or Down increase or reduce the number. Press the Enter key. Press the Up or Down increase or reduce...
  • Page 36 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce the number. Press the Enter key. Press the Up or Down increase or reduce the number. Press the Enter key. Press the Up or Down increase or reduce the number.
  • Page 37 Single Phase Hybrid Inverter Parameter Settings 7.2.2 COM Address Setting Press the Enter key. Press the Up or Down increase or reduce the number. Press the Enter key. Press the Up or Down increase or reduce the number. Press the Enter key.
  • Page 38 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce the number. Press the Enter key. Press the Enter key. Wait for 3 seconds. 7.2.3 Language Setting Press the Enter key.
  • Page 39 Single Phase Hybrid Inverter Parameter Settings Press the Enter key. Wait for 3 seconds. 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 Enter key.
  • Page 40 Single Phase Hybrid Inverter Parameter Settings Press the Enter key. Press the Enter key. 7.2.5 Battery Parameter Settings The battery parameters displayed on the Setting Info page depend on the battery manufacturer. If you select “Lead-Acid”, the battery parameters will include Charge Voltage, Charge Current and Low Voltage. If you select a lithium battery manufacturer, the battery parameters will include Charge Current and Discharge Current.
  • Page 41 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down select “Lead- Acid” or a lithium battery manufacturer. Press the Enter key. Press the Up or Down key to increase or reduce the CV value. Press the Enter key. Press the Up or Down increase or reduce...
  • Page 42 Single Phase Hybrid Inverter Parameter Settings Press the Enter key. Press the Enter key. You can set the lithium battery parameters in the following steps. Press the Enter key. Press the Enter key. Press the Up or Down select a lithium battery manufacturer.
  • Page 43 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce maximum charge current value. Press the Up or Down increase or reduce maximum discharge current value. Press the Enter key. Press the Enter key. Wait for 3 seconds.
  • Page 44 Single Phase Hybrid Inverter Parameter Settings 7.2.6 Country Setting Press the Enter key. Press the Up or Down select the country associated with applicable safety standards. Press the Enter key. Wait for 3 seconds.
  • Page 45 Single Phase Hybrid Inverter Parameter Settings 7.2.7 Off Grid Setting Disable the off-grid mode in the following steps. Press the Enter key. Press the Up or Down select “Enable” or “Disable”. Press the Enter key. Press the Enter key. Wait for 3 seconds.
  • Page 46 Single Phase Hybrid Inverter Parameter Settings Enable the off-grid mode and set the EPS voltage and frequency in the following steps. Press the Up or Down select “Enable” or “Disable”. Press the Enter key. Press the Up or Down increase or reduce the EPS voltage value.
  • Page 47 Single Phase Hybrid Inverter Parameter Settings Press the Enter key. Press the Enter key. 7.2.8 Priority Setting Priority setting includes Battery First mode and Grid First mode. Press the Enter key. Set the Battery First mode in the following steps. Press the Enter key.
  • Page 48 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down enable or disable the AC charge function. Press the Enter key. Press the Up or Down select time interval. Press the Enter key. Press the Up or Down enable or disable the active time period.
  • Page 49 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce the Stop Charge SOC value. Press the Enter key. Press the Up or Down increase or reduce the Charge Power value. Press the Enter key. Press the Enter key.
  • Page 50 Single Phase Hybrid Inverter Parameter Settings Press the Enter key. Press the Enter key. Press the Up or Down select time interval. Press the Enter key. Press the Up or Down enable or disable the active time period. Press the Enter key. Press the Up or Down increase or reduce...
  • Page 51 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down increase or reduce Stop Discharge value. Press the Up or Down increase or reduce Discharge Power value. Press the Enter key. Press the Enter key. Wait for 3 seconds. 7.2.9 Auto Test Setting The auto test function will be available only if you select “Italy”...
  • Page 52 Single Phase Hybrid Inverter Parameter Settings other country, the Auto Test Setting page will indicate “Not Support!” Press the Enter key. If “Italy” is selected, the Auto Test Setting page is shown below. Press the Enter key. The Real value will vary with time once you start the auto test. Press the Enter key.
  • Page 53 Single Phase Hybrid Inverter Parameter Settings The information is updated automatically. 7.2.10 Restore Factory Setting This function can restore calibration data and configuration parameters to default parameters, as well as clear energy data and historical fault data. Restore factory settings is as follows: Press the Enter key.
  • Page 54 Single Phase Hybrid Inverter Parameter Settings Press the Up or Down enable or disable the clearing of fault history. Press the Enter key. Press the Up or Down enable or disable reset configuration data. Press the Enter key. Wait for 10 seconds.

  • Page 55: Chapter 8 System Debugging

    Single Phase Hybrid Inverter System Debugging Chapter 8 System Debugging 8.1 LCD Screen and Keys 8.1.1 LCD Screen Fig. 8-1...
  • Page 56 Single Phase Hybrid Inverter System Debugging Position Description State Fault code RS485 communication CAN communication Smart meter Fault warning Date Time PV input PV power Hybrid inverter Battery indicator (20% × 5 bars) Battery power Grid Grid power Critical load Load power Energy flow arrow...

  • Page 57: Working Mode

    Single Phase Hybrid Inverter System Debugging 8.1.2 LEDs, Screen and Keys Fig. 8-2 Position Description 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 program burning process. Yellow LED remaining on: in the off-grid state.
  • Page 58 8.2.2 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 on.

  • Page 59: Setting Parameters In Solarman App

    Single Phase Hybrid Inverter System Debugging 8.2.4 Self-test state Before activating the working mode, the system will get into the power-on self-test state. If no fault is detected, the system will proceed to working mode; otherwise, it will get into the fault state. 8.2.5 Standby State When no fault is detected and a certain operating condition has not been met, the system will get into the standby state.
  • Page 60 Single Phase Hybrid Inverter System Debugging For more functions of the Solarman App, please read its User Guide, which is available on https://www.invt.com/.

  • Page 61: Chapter 9 System Maintenance

    Chapter 9 System Maintenance INVT hybrid inverter has undergone a series of tests before delivery. To maintain and extend the service life of the inverter, you need to perform necessary routine maintenance in addition to using it in strict accordance with this Manual.

  • Page 62: Powering Off The Inverter

    Single Phase Hybrid Inverter System Maintenance 9.2 Powering Off the Inverter DANGER • To perform maintenance of the inverter, please power off the inverter so as to avoid damage to the inverter and avoid the risk of electric shock. • When the inverter is powered off, it will take time for the internal components to discharge.

  • Page 63: Chapter 10 Troubleshooting

    Single Phase Hybrid 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 WARNING troubleshooting! 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 64 Single Phase Hybrid Inverter Troubleshooting Table 10-1 Fault Codes of Inverter Fault Fault Type Fault Description Actions Code Check whether the PV panel is connected 01-01 Low PV voltage properly, damaged, covered with dust, or blocked by any objects. Check whether the PV panel is connected PV voltage properly, and whether the PV voltage is higher error...
  • Page 65 Single Phase Hybrid Inverter Troubleshooting Fault Fault Type Fault Description Actions Code temperature Abnormal ambient 06-04 temperature Abnormal buck-boost 06-05 temperature Open circuit of NTC 06-06 thermistor Check whether the inverter and PV panel are Insulation Insulation monitoring grounded reliably. Power off the inverter for 5 monitoring 07-01 error...
  • Page 66 Single Phase Hybrid Inverter Troubleshooting Fault Fault Type Fault Description Actions Code Internal fan Restart the inverter. If the fault still exists, 12-01 Internal fan failure failure contact your dealer. Check whether the inverter and PV panel are grounded reliably. Power off the inverter for 5 DCI error 14-01 DCI error of R-phase...
  • Page 67 Single Phase Hybrid Inverter Troubleshooting Fault Fault Type Fault Description Actions Code 31-10 Oscillation of grid voltage One-level under- 33-01 frequency of AC power One level over-frequency 33-02 If the fault occurs occasionally, it may of AC power be caused by momentary abnormality of the Two-level under- 33-03...
  • Page 68 Single Phase Hybrid Inverter Troubleshooting Fault Fault Type Fault Description Actions Code power error and output switches, and turn on the inverter again 5 minutes later. If the fault still exists, contact your dealer. Short Check whether the correct wire is connected circuit 46-01 Short circuit of EPS...

  • Page 69: Chapter 11 Product Specifications

    Single Phase Hybrid Inverter Product Specifications Chapter 11 Product Specifications...
  • Page 70 Single Phase Hybrid Inverter Product Specifications XD3KTL XD3K6TL XD4KTL XD4K6TL XD5KTL XD6KTL Battery Parameters Battery type Lithium battery or lead-acid battery Battery voltage (V) 40-60 40-60 40-60 40-60 40-60 40-60 Maximum charge discharge current (A) Communication mode DC input Maximum input power (W) 4500 5400 6000...
  • Page 71 Single Phase Hybrid Inverter Product Specifications Charge-discharge efficiency ＞95% ＞95% ＞95% ＞95% ＞95% ＞95% Protection Anti-reverse insulation impedance grounding Available Available Available Available Available Available protection Over-current & over-voltage Available Available Available Available Available Available protection Battery soft start protection Available Available Available...
  • Page 72 E-mail: solar-service@invt.com.cn Website: www.invt-solar.com INVT Solar Technology (Shenzhen) Co., Ltd. 2th Floor, Block B, INVT Light 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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