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Hybrid Inverter User Manual

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Summary of Contents for Austa AU-1P8K2G-LE-EU

  • Page 1 Hybrid Inverter User Manual...
  • Page 2: Table Of Contents

    CONTENTS 1. NOTES ON THIS MANUAL ..........................3 1.1 SCOPE OF VALIDITY ............................3 1.2 TARGET GROUP ............................... 3 1.3 SYMBOLS USED ............................... 3 2. SAFETY ..................................4 2.1 IMPORTANT SAFETY INSTRUCTIONS ......................4 2.2 EXPLANATION OF SYMBOL .........................8 3. INTRODUCTION ..............................9 3.1 BASIC FEATURES ..............................
  • Page 3 9.2 GENERATOR OPERATION NOTES ......................63 9.3 GENERATOR SETTING ..........................63 10. INVERTER PARALLEL GUIDE ..........................65 10.1 PARALLEL SYSTEM DIAGRAM ........................65 10.2 PARALLEL COMMUNICATION CABLE CONNECTION ..............68 10.3 PARALLEL OPERATION NOTES ........................68 10.4 PARALLEL SYSTEM SETTING ........................69 11.
  • Page 4: Notes On This Manual

    AU-1P8K2G-LE-EU AU-1P8K2G-LE-EU Naming rules, AU means Austa.1P means single phase,8K means output power 8 k W . 2G means second generation .LE means low battery voltage. Store this manual where it will be always accessible 1.2 Target Group This manual is for qualified electricians.
  • Page 5: Safety

    2 Safety 2.1 Important Safety Instructions Danger! Danger to life due to high voltages in the inverter!  All work must be carried out by qualified electrician.  The appliance is not to be used by children or persons with reduced ...
  • Page 6 Warning! Authorized service personnel must disconnect both AC and DC power  from inverter before attempting any maintenance or cleaning or working on any circuits connected to inverter. Warning! Do not operate the inverter when the device is running.  Warning!...
  • Page 7 When accessing the internal circuit of inverter, it is very important to wait 5  minutes before operating the power circuit or demounting the electrolyte capacitors inside the device. Do not open the device beforehand since the capacitors require time sufficiently discharge! Surge protection devices (SPDs) for PV installation ...
  • Page 8 typically more than 30 volts. Anti-Islanding Effect  Islanding effect is a special phenomenon that grid-connected PV system still supply power to the nearby grid when the voltage loss is happened in the power system. It is dangerous for maintenance personnel and the public. Hybrid series inverter provide Active Frequency Drift (AFD) to prevent islanding effect.
  • Page 9: Explanation Of Symbol

    2.2 Explanation of Symbol This section gives an explanation of all the symbols shown on the inverter and on the type label. Symbols on the Type Label UL certified This symbol indicates that you should wait at least 5mins after disconnecting the inverter from the utility grid and from the PV panel before touching any inner live parts.
  • Page 10: Introduction

    3. Introduction 3.1 Basic features Hybrid Series is a high-quality inverter which can convert solar energy to AC energy and store energy into battery. The inverter can be used to optimize self-consumption, store in the battery for future use or feed in to public grid. Work mode depends on PV energy and user’s preference.
  • Page 11 All switches and RCD devices in the figure are for reference only, and the specific installation shall be subject to local regulations. Note! Please control the home loads, and make sure it’s  within the “BACK-UP output rating” under BACK-UP mode, otherwise the inverter will shut down with an “overload fault”...
  • Page 12 Note! The arrow on the CT points to the power grid, as shown.  If the CT connector is improperly connected, the inverter  cannot read the data correctly, so that the relevant working conditions cannot be realized normally.
  • Page 13: Work Modes

    3.3 Work Modes Inverter provides multiple work modes based on different requirements.
  • Page 14: Dimension

    In addition to the above three basic modes, there is also an “Advanced Mode”. Please refer to Chapter 11 for details. 3.4 Dimension...
  • Page 15: Terminals Of Pv Inverter

    Object Description DC switch BAT input Wi-Fi CAN1/CAN2/RS485/BMS485,BMSCAN/CTL1/CTL2/Type-c upgrade PV1~PV4 input Generator 3.5 Terminals of PV inverter * Port Function CAN1/CAN2: Communication interface for connecting inverters. RS485: Read the internal data of inverter. BMS-485/ BMS-CAN: BMS communication for lithium batteries. CT L1/CT L2: For external grid side CT to detect current size.
  • Page 16: Technical Parameters

    Grid BACK-UP1 output BACK-UP2 output RSD butto WARNING ! Qualified electrician will be required for the installation. 4. Technical Parameter 4.1 Inverter specication AU-1P8K2G-LE-EU Technical Data PV Input Data MAX.DC Input Power 12KW NO.MPPT Tracker MPPT Range 120 - 500V MAX.DC Input Voltage...
  • Page 17 MAX.Short Circuit Current Battery Input Data Nominal voltage (Vdc) MAX.Charging/Discharging Curren 190A/190A Battery Voltage Rang 40-60V Battery Type Lithium and Lead Acid Battery Charging Strategy for Li-Ion Battery Self-adaption to BMS AC Output Data(On-Grid) Nominal output power Output to Grid 8kVA MAX.
  • Page 18: Installation

    Relative Humidity 0-95% Operating Altitude 0~4000m(Derating above 2000m altitude) Ingress Protection IP65 Weight 41kg Size (Width*Height*Depth) 460mm x 760mm x 225mm Cooling FAN Cooling Noise emission <38dB Display LCD,Touch panel(optinal) Communication With BMS/Meter/EMS RS485,CAN Supported communication interface RS485, WLAN, 4G (optional) 5.
  • Page 19: Mounting

    Object Description Inverter Expansion screws and pan-head screws CT( inner radius 16mm) GPRS module (optional) WiFi module (optional) User manual CT(inner radius 35mm/optional) 5.3 Mounting Installation Precaution  Inverter is designed for outdoor installation (IP 65).Make sure the installation site meets the following conditions: ...
  • Page 20  The slope of the wall should be within ± 5° .  The wall hanging the inverter should meet conditions below: 1.solid brick/concrete, or strength equivalent mounting surface; 2.Inverter must be supported or strengthened if the wall’s strength isn’t enough(such as wooden wall, the wall covered by thick layer of decoration) Please AVOIDE direct sunlight, rain exposure, snow laying up during installation and operation.
  • Page 21 Step 1: Drill 4 holes in the wall according to the following distance dimensions, 50~60mm depth. Then use a proper hammer to fit the expansion bolt into the holes. Step 2: Lift up the inverter and align the hole of the inverter with the expansion bolt, Fix the inverter on the wall.
  • Page 22: Electrical Connection

    Step 5: Pass the corresponding conduit and fasten the joint. 6. Electrical Connection 6.1 PV connection Hybrid can be connected in series with 4-strings PV modules for 5kW, 6kW, 7.6kW, 8kW , 10kW.Select PV modules with excellent function and reliable quality. Open-circuit voltage of module arrays connected in series should be less than Max.
  • Page 23: Grid Connection (Gen Connection)

    (Please refer to technical data). 1.2 Disconnect the circuit board from all the phases and secure against re-connection. Step2. Grid cables choose Use the right pin terminal from the accessory box. Press the connectors on cable conductor core tightly. Model AU-1P8K2G-LE-EU...
  • Page 24: Back-Up:load1 And Load2 Connection

    10AWG Cable Step3. Choose the wire to connect with the cold-pressed terminal. (Remove 18mm of insulation from the end of wire.) 18mm Step4. Cross the Grid cables although the grid port, Connect Grid cables to Grid terminals. Generator (GEN) Grid 6.3 Back-up:Load1 and Load2 Connection Inverter has On and Off...
  • Page 25 When using the off-grid function, please add off grid AC breaker in off grid output cable to ensure safety. Mode AU-1P8K2G-LE-EU Micro-breaker Note: The absence of AC breaker on back-up side will lead to inverter damage if an electrical short circuit happens on back-up side.
  • Page 26: Battery Connection

    Cable 10AWG 18mm Step2. Connect the cables to the BACK-UP: Load1 and Load2 port of the inverter. Load2 Load1 Inside the inverter, load2 is connected to load1 through a relay, and the relay disconnect when the SOC of battery is lower than set value. At this time,the load2 is powered off and load1 is still powered on.(The total power of Load1 plus Load2 should not more than the rated BACK-UP power when GRID is off) Requirements for BACK-UP load...
  • Page 27 60V and the battery communication should be compatible with Hybrid inverter. Battery breaker  Before connecting to battery, please install a no-polarized DC breaker to make sure inverter can be securely disconnected during maintenance. Mode AU-1P8K2G-LE-EU Current[A] 250A Battery connection diagram  CAN/485 Battery BMS PIN Definition ...
  • Page 28: Wifi Connection (Optional)

    compatible with the inverter. Power Connection Battery:  Step1 Choose the 1 AWG wire and strip the cable to 15mm. Select two O-terminals with an aperture of M10. Insert the stripping line into the O-terminal and clamp it with a crimping clamp. Step2.
  • Page 29: Gprs Connection (Optional)

    Meter 2)Wi-Fi Connection: Step1. Plug Wi-Fi into “Wi-Fi” port at the bottom of the inverter. Step2. Build the connection between the inverter and router. Step3. Create a user account online. (Please check the Wi-Fi user manual for more details). 6.6 GPRS Connection (optional) Hybrid inverter provides a GPRS (radio frequency) interface which control the switch time of a designated load via an external Smart Plug (purchase the product from supplier if needed.) so that the load mostly consumes PV energy and incurs...
  • Page 30: E-Stop Installation

    Australia). Only one CT is provided in the accessories. The RJ45 connector of CT is connected to” CT-L1”, and the CT is connected to L phase. RS485_METER CAN1 CAN2 (Internal Use) BMS-485 CT -L2 CT -L1 BMS-CAN 6.8 E-Stop Installation The emergency stop (E-stop) button (D) included with this inverter is used to stop the PV modules from passing voltage on the string conductors, leaving them at a safe voltage for first responders to perform work in or on the building.
  • Page 31: Lcd Operation

    RSD RUTTON RSD device 7. LCD Operation .1 Control Panel...
  • Page 32: Instructions For Led Indicator

    Object Description Name Display the information of the inverter. Screen lit in green: The inverter is in grid mode. Off: The inverter is in not in grid mode. lit in green: The inverter is in off-grid mode. Indicator Off: The inverter is in not in off-grid mode. lit in Yellow: The inverter is in Warning .
  • Page 33 1. RS485 2. CAN 1. POWER FACTOR 2. REACTPOWER 1. REACT MODE 3. QU WAVE 2. GRID POWER 4. QP WAVE 3. DISC POWER 4. VAC-MIN 1. PWR-VOLT RES 5. VAC-MAX 1.SETUP 2. PWR-FREQ RES 6. FAC-MIN 3. PFC-VOLT RES 7.
  • Page 34 1. Master MASTEP/SLAVE 2. Slave ADDRESS COMMON CT PHASE A/B/C 14. PARALLEL 3PHASE EN CHARGE CURR DISCHG CURR PARALLEL EN 1.SETUP START SOC STOP SOC 1. Generator En ChgCurrToBAT 2. Charge En MAX RUN TIME 3. Auto Start 15. GENERATOR COOLDOWN 4.
  • Page 35 For example, Before selecting the mode, you can set it up according to the local power grid, PV input mode and battery type. Power grid: Select 1: Set up Press Esc button Press Enter button Circular display User interface Default password 00000 Press...
  • Page 36: Lcd Operation

    LCD Operation 8.1 LCD Interface 8.1.1 Error information Interface Description Numbers represent error codes and text is error information. ERROR NO. Refer to Chapter 9 for specific contents. 02:BatDisconnect NOTE: When there is a lock mark in the upper right corner of the screen, you cannot turn the page, you need to press Enter to 27:BMS Comm.fail unlock it first.
  • Page 37 8.1.5 PV1 Input display interface Interface Description PV1 input real-time voltage, current and power. PV1 INPUT VOLT: 0.0V CURR: 0.00A POWER: 8.1.6 PV2 Input display interface Interface Description PV2 input real-time voltage, current and power. PV2 INPUT VOLT: 0.0V CURR: 0.00A POWER: 8.1.7 PV3 Input display interface...
  • Page 38 8.1.10 Battery interface Interface Description Battery real-time voltage, current. BATTERY STA: Battery status. VOLT: 0.0V C: Indicates that the battery is rechargeable (From the BMS) CURR: 0.0 A D: Indicates that the battery can discharge (From the BMS) F: The battery requests a forcible charge (From the BMS) 8.1.11 Battery current interface Interface Description...
  • Page 39 8.1.15 EPS LOAD Interface Description EPS LOAD real-time voltage. EPS LOAD: EPS LOAD real-time current. VOLT: 0.0V CURR: 0.00A 8.1.16 GRID/INV POWER Interface Description POWER real-time power. INV: GRID real-time power. GRID: 8.1.17 POWER PER Interface Description POWER PV: Photovoltaic input power. EPSLOAD: Load side real-time power.
  • Page 40 HYBRID POW: Hybrid power supply(Multiple Power Supply). INV: Displays the inverter status information,including: STANDBY, OFF GRID, GRID, OFF GRID PL, INV TO PFC. GRID: Grid connected state. OFF GRID PL: Working state of o ff -grid conversion to grid connection. INV TO PFC: Status of power by public grid turn into on grid working mode.
  • Page 41 8.2 SETTING 8.2.1 State Interface Description SETUP: Press Enter to user settings interface. USER INQUIRE: Query machine model, serial number, software version. 1:SETUP STATISTIC: View machine run statistics. 2:INQUIRE 3:STATISTIC 8.2.2 SET Password Interface Description Enter the password required for setting. The default password PASSWORD is“00000”.
  • Page 42 8.2.4 System setting 8.2.4.0 System setting Interface Description This interface is used to access system information. SYS SETTING Press Up/Down button to move corresponding options. 1: WORK MODE Press Enter to enter the selected menu. 2: EPS ENABLE Press ESC button to return to the setting interface. 3: BAT WAKE-UP There are 8 options in total.
  • Page 43 WORKTIME* 1)The maximum allowable setting time is 24h(one day), It is allowed to set six different charging and discharging states within 24h.(time1 twice,time2 twice,time3 twice), The inverter runs repeatedly every day according to the set time. Set time range 00:00 23:59 2) The inverter executes according to the settings of time1, time2 and time3 in the order of time.
  • Page 44 When the battery is low and the battery relay has been WAKE-UP EN disconnected, the inverter will send instructions to the battery forcibly sucking relay by BMS, and the inverter will charge. 1:DISABLE The default option is disabled. (Partial battery support) 2:ENABLE 8.2.4.4 PV INPUT MODE Interface...
  • Page 45 When it is set to “ENABLE”, you can power on or power off BUTTON ENABLE the inverter through the button at the left side. 1.DISABLE When is set to”DISABLE”, When it is set to disable, the machine will start automatically regardless of the status of 2.ENABLE the button.
  • Page 46 This interface is used to select LEAD-ACID battery LEAD-ACID parameter. 1.Float V Press Up/Down button to move corresponding options; 2.Absorption V Press Enter button to enter the selected menu; 2.BAT END VOLT 1. Battery float voltage: Charge the battery with constant voltage and small current.
  • Page 47 Grid DOD/ OFF Grid DOD: When the battery discharge is DISC DEPTH higher than the set parameter, the inverter generates a Grid DOD: 080% battery low voltage alarm. OFF Grid DOD: 080% Return: When a low-voltage alarm is generated, the alarm is cleared if the battery charge is higher than the specified Return: 020%...
  • Page 48 GRID Single Phase:220V Single-phase. 1:Single Phase Split Phase:120/240V Split-phase. 2:Split Phase US 208V:120/208V Split-phase. 3:US 208V JP 120V:120V Single-phase. 4:JP 120V 8.2.7 RUN SETTING 8.2.7.0 RUN SETTING Interface Description This interface is used to select run setting. SETTING Press Up/Down button to move corresponding options; 1.REACT MODE Press Enter button to enter the selected menu.
  • Page 49 REACT POWER The input value should range between -60% and INPUT: +00% +60%, which varies with the standard. 8.2.7.2 GRID POWER Interface Description The input value is power percent of grid. GRID PERCENT INPUT: 100% 8.2.7.3 DISCHARGE POWER Interface Description The input value is power percent of battery discharge.
  • Page 50 The input value of Grid low voltage. GRID VOLT LOW It effects when grid mode choose custom. INPUT: UNIT: 8.2.7.7 VAC-MAX Interface Description The input value of Grid high voltage. GRID VOLT HIGH It effects when grid mode chooses “custom”. INPUT: UNIT: 8.2.7.8 FAC-MIN...
  • Page 51 ACTIVE Type 1.PWR-VOLT RES: Generation voltage response. When the grid voltage is abnormal, the active power is limit 1.PWR-VOLT RES ed, and the function is enabled when required by the natio 2.PWR-FREQ RES nal grid standard. 3.PFC-VOLT RES 2.PWR-FREQ RES: Generation frequency response. When the power grid frequency is abnormal, the active po 4.PFC-FREQ RES wer will be limited, and the function will be enabled if requi...
  • Page 52 This interface is used to select 485 baud rate. SELECT 1.9600 bps 2.19200 bps 8.2.10 LANGUAGE SETTING 8.2.10.0 LANGUAGE Interface Description This interface is used to select language. LANGUAGE 1.中文 2.English 8.2.11 BACKLIGHT 8.2.11.0 BACKLIGHT Interface Description This interface is used to set light time. LIGHT TIME INPUT:...
  • Page 53 This interface is used to clear operation history. DEL REC 1.CANCEL 2.CONFIRM 8.2.14 MAINTENANCE 8.2.14.0 MAINTENANCE Interface Description This interface is used to enter maintenance. PASSWORD INPUT: XXXXX 8.2.15 FCTRY RESET 8.2.15.0 FACTORY RESET Interface Description This interface is used to reset the inverter. FACTORY RESET 1.CANCEL 2.CONFIRM...
  • Page 54 This interface is used to select run setting. SETTING Press Up/Down button to move corresponding options; 1.NUM Press Enter button to enter the selected menu. 2.MASTEP/SLAVE 3.ADDRESS 4.COMMON 5.PHASE A/B/C 6.3PHASE 7.CHARGE CURR 8.DISCHG CURR 9.PARALLEL EN 8.2.16.1 NUM Interface Description This operation is used to select the number of parallel PARALLEL NUM...
  • Page 55 Enable or disable CT sharing. COMMONM CT 1.DISABLE 2.ENABLE 8.2.16.5 PHASE A/B/C Interface Description This interface is used to select the output phase of the Phase A/B/C device when three phases are used. (Reserved function). 8.2.16.6 3PHASE EN Interface Description Enable or disable group 3 phase enable.
  • Page 56 Start or disable the parallel function. Parallel 1.DISABLE 2.ENABLE 8.2.17 GENEATOR 8.2.17.0 GENEATOR *Please read Chapter 9 for more details. Interface Description 1. This interface is used to select run setting. GENEATOR 2. Press Up/Down button to move corresponding options; 1.START 3.
  • Page 57 8.2.17.3 ChgCurrToBAT Interface Description This interface is used to set the battery charging current Chg Curr to BAT when the generator is used. INPUT: UNIT: 8.2.17.4 MAX RUN TIME Interface Description This interface is used to set the maximum running time of MAX RUN TIME the generator.
  • Page 58 Interface Description This interface is used to set the diesel generator power. POWER INPUT: 08.0 UNIT: 8.2.18.0 ADVAN SET 8.2.18.0 ADVAN SET Interface Description This interface displays advanced mode settings. ADVANH SET 1.->Inverter working mode setting. 1.Mode Set Advan Ctrl 2.->Inverter related function control.
  • Page 59 1.->From the start time to the end time, charge the battery with the written Power to the written SOC. If GridChg is enabled, allow the grid to charge. SLOT 2.->In the slot section, control the grid to charge the battery. 1.Slot 1 2.GridChg 1 Star:...
  • Page 60 8.3.2 MODULE SN Interface Description This interface shows module SN. S / N GUID: XXXXXXXX XXXXXXXXXXXXXX SN:FXXXXXXXXXXX 8.3.3 FIRMWARE Interface Description This interface shows Software version. FIRMWARE ARM: V1.XX.XX DSP: V1.XX.XX 8.3.4 RUNNING RECORDS Interface Description This interface shows running recodes. REC(01) 02:Batdisconnect 12-25 23:00...
  • Page 61 This interface shows inverter operation statistic. STAT. Displays statistic for the day (KWH). 1.E-TODAY Displays statistic for the month (KWH). 2.E-MONTH Displays statistic for the year (KWH). 3.E-YEAR Displays statistic of the inverter (KWH). 4.E-TOTAL Note: 1. E-TODAY/MONTH/YEAR/TOTAL INPUTPV/GRID(Consume)/BATD(Battery discharge) ...
  • Page 62: Generator Use Operation Guide

    Generator Use Operation Guide 9.1 Generator Use Diagram 1)The Generator is connected to the grid port of the inverter. The connecting cable shall be covered with CT. It is used in some off gird situations. The system diagram is as follows. 2)The Generator is normally connected to the Generator port.
  • Page 63 with CT. The system diagram is as follows.
  • Page 64: Generator Operation Notes

    9.2 Generator Operation Notes 1) The two wires start signal DRYO_1A and DRYO_1B of the Generator is used to automatically control the start and stop of the Generator. 2)Make sure the inverter units software version support Generator function. USER->INQUIRE->FIRMWARE FIRMWARE ARM: V1.XX.XX DSP:...
  • Page 65 9.3.2 CONTRL Interface Description This interface shows Generator CONTRL. GEN CONTROL Enable control of the Generator function. 1.Generator En Generator Charge Enable control 2.Charge En If the user wants the Generator to be automatically controlled to start and stop through the dry 3.Auto Start contact,Enable it.
  • Page 66: Inverter Parallel Guide

    Inverter Parallel Guide 10.1 Parallel System Diagram Multiple inverters can be installed together to deliver more power. When AC loads are present, all units effectively share the load. The system diagram is as follows.
  • Page 67 10.1.1...
  • Page 68 10.1.2...
  • Page 69: Parallel Communication Cable Connection

    CAN1 CAN2 10.2 Parallel Communication Cable Connection For parallel communication ,CAT 5 cables are needed. The units should be connected hand by hand. When using common batteries, BMS cable needs to be connected to the master unit. The inverter shares the BMS information by inter-unit parallel communication cable. 10.3 Parallel Operation Notes 1) Make sure all the units in parallel are with the same software version.
  • Page 70: Parallel System Setting

    same. 10.4 Parallel System Setting The parallel setting page can be visited in the following steps in the screen: USER->1. SETUP->PASSORD CHECK->15.parallel 10.4.0 Setting Interface Description This interface shows parallel setting. Parallel. Total numbers of the inverters. 1.NUM. In a parallel system,the master unit broadcasts the 2.MASTER/SLAVER bms and other information to the slavers.
  • Page 71: Advanced Mode Operation Guide

    Advanced Mode Operation Guide 11.1 Advanced Mode Introduction The hybrid inverter can be programmed to control how and when to use grid power.The Advcanced mode allow management of flexible loads and time-of-use billing. There are three advanced mode available: Sell First Mode,Self-consumption buy and sell Mode and Self-consumption dis sell Mode.
  • Page 72: Advanced Mode Setting

    time of use function is disabled, this attribute is used to judge whether or not to charge the battery by grid. If time of use function is enabled ,the battery can be charged by grid only when the time slot grid charge attribute is enabled. Pv Charge Only : If user don’t want to use grid to charge the battery in any time ,please enable this attribute.
  • Page 73 11.2.3 Advan Ctrl Interface Description >Global control, whether the power grid can charge the battery. --ADVAN CONTROL-- 2.->Whether TIME OF USE is enabled -- > 1. Grid Chg En 3.->The battery is charged only by PV, and cannot be charged by the 2.
  • Page 74: App Grid Compliance Parameters Interface Settings

    12. APP grid compliance parameters interface settings 12.1 grid compliance parameters setting interface of mobile APP 12.1.1 Step of entering interface parameter settings Interface setting: Enter solarman APP using WIFI dongle > My > Local mode > Scan the QR code of the data stick >...
  • Page 75 12.1.2 Display interface...
  • Page 77: Parameters Description

    12.2 Parameters description 12.2.1 Over/under-voltage protection point/time Interface Description HV means high voltage trip protection. L/HVRT LV means low voltage trip protection. Vac HV3 Trip 130%/Vn Vac HV3 ClrTime 0.1S Vn stands for the rated voltage of the Vac HV2 Trip 120%/Vn Vac HV2 ClrTime 0.1S local grid.
  • Page 78 Puerto Rico Grid Compliance Settings: Interface Description If the user needs to use over-frequency L/HFRT and under-frequency protection, he can Fac HF3 Trip 61.50Hz Fac HF3 ClrTime 10.0S find the corresponding parameters in the above mobile phone APP interface Fac HF2 Trip 61.50Hz Fac HF2 ClrTime 10.0S according to the table on the left and Fac HF1 Trip 60.50Hz...
  • Page 79: Fault Diagnosis And Solutions

    13. Fault diagnosis and solutions The inverter is easy to maintain. When you encounter the following problems, please refer to the Solutions below, and contact the local distributor if the problem remains unsolved. The following table lists some of the basic problems that may occur during the actual operation as well as their corresponding basic solutions.
  • Page 80 abnormal (2) Restart the inverter and wait until it functions normally. Grid over vol (3) Contact customer service if error warning continues. Grid Frequency is (1) Check if the grid is abnormal. Grid low freq abnormal. (2) Restart the inverter and wait until it functions normally.
  • Page 81 The inverter (1) Cut off all the power of the machine and wait one temperature is higher hour, then turn on the power of the machine. igbt temp high than the allowed value Battery temperature is (1) Disconnect the battery and reconnect it after an higher than the hour.
  • Page 82 The inverter may be (1) Restart the inverter and wait until it functions Bus Relay Fault damaged normally. Grid Relay Fault (2) Contact customer service if error warning EPS rly fault continues. Gfci fault Selftest fail System fault Current DCover Voltage DCover Note: If an error occurs that is not listed in the table, Please Contact customer service.
  • Page 83 NOTICE: The copy right of this manual belongs to Shenzhen Megareco technology co.,LTD. Any corporation or individual should not plagiarize, copy, reduction, or distribution this manual in any form or by any means. All rights reserved. The information in this document(including software, etc.)is subject to change without notice.

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