MPP Solar MPI 12KW WP User Manual
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MPP Solar MPI 12KW WP User Manual

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User Manual
MPI 12KW WP/MPI 15KW WP
Hybrid PV Inverter
Version: 1.1

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Summary of Contents for MPP Solar MPI 12KW WP

  • Page 1 User Manual MPI 12KW WP/MPI 15KW WP Hybrid PV Inverter Version: 1.1...

  • Page 2: Table Of Contents

    Table Of Contents Introduction ..................1 Important Safety Warning..............2 Unpacking & Overview ................4 3-1. Packing List ................... 4 3-2. Product Overview ................4 Installation ................... 5 4-1. Precaution ..................5 4-2. Selecting Mounting Location............5 4-3. Mounting Unit ................5 Grid (Utility) Connection ................
  • Page 3 Mounting the Unit ................64 Wiring Connection ................64 Inverters Configuration ................ 66 Setting and LCD Display ..............69 Commissioning ..................72 Trouble shooting ................. 73 Appendix II: BMS ..................74 Appendix III: Wi-Fi Operation Guide ............. 75...

  • Page 4: Introduction

    1. Introduction This hybrid PV inverter can provide power to connected loads by utilizing PV power, utility power and battery power. Hybrid inverter Electric grids Distribution Box PV modules Load Battery Figure 1 Basic hybrid PV System Overview Depending on different power situations, this hybrid inverter is designed to generate continuous power from PV solar modules (solar panels), battery, and the utility.

  • Page 5: Important Safety Warning

    2. Important Safety Warning Before using the inverter, please read all instructions and cautionary markings on the unit and this manual. Store the manual where it can be accessed easily. This manual is for qualified personnel. The tasks described in this manual may be performed by qualified personnel only.
  • Page 6 CAUTION! Under high temperature environment, the cover of this inverter could be hot enough to cause skin burns if accidentally touched. Ensure that this inverter is away from normal traffic areas. CAUTION! Use only recommended accessories from installer. Otherwise, not-qualified tools may cause a risk of fire, electric shock, or injury to persons.

  • Page 7: Unpacking & Overview

    3. Unpacking & Overview 3-1. Packing List Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package: Inverter unit PV connectors AC connector Fixing screws Parallel cables Software CD Manual...

  • Page 8: Installation

    4. Installation 4-1. Precaution This Hybrid inverter is designed for indoor or outdoor use (IP65), please make sure the installation site meets below conditions: Not in direct sunlight  Not in areas where highly flammable materials are stored.  Not in potential explosive areas. ...

  • Page 9: Grid (Utility) Connection

    Drill six holes in the marked Fix the inverter on the wall. locations with supplied six screws. The reference tightening torque is 35 N.m. 3. Check if the inverter is firmly secured. 5. Grid (Utility) Connection 5-1. Preparation NOTE: The overvoltage category of the AC input is III. It should be connected to the power distribution.

  • Page 10: Connecting To The Ac Utility

    5-2. Connecting to the AC Utility Overview of AC Connection Socket Component Description Pressure dome Clip Sealing nut Protective element Socket element Step 1: Check the grid voltage and frequency with an AC voltmeter. It should be the same to “VAC” value on the product label. Step 2: Turn off the circuit breaker.
  • Page 11 Step 7: Plug the AC connection socket into AC grid terminal of the inverter. CAUTION: To prevent risk of electric shock, ensure the ground wire is properly earthed before operating this hybrid inverter no matter the grid is connected or not.

  • Page 12: Pv Module (Dc) Connection

    6. PV Module (DC) Connection NOTE1: Please use 1000VDC/20A circuit breaker. NOTE2: The overvoltage category of the PV input is II. Please follow below steps to implement PV module connection: WARNING: Because this inverter is non-isolated, only two types of PV modules are acceptable: single crystalline and poly crystalline with class A-rated.
  • Page 13 Crimping tool and spanner Cable preparation and connector assembly process: Strip one cable 8 mm on both end sides and be careful NOT to nick conductors. Insert striped cable into female terminal and crimp female terminal as shown below charts. Insert assembled cable into female connector housing as shown below charts.
  • Page 14 Step 4: Check correct polarity of connection cable from PV modules and PV input connectors. Then, connect positive pole (+) of connection cable to positive pole (+) of PV input connector. Connect negative pole (-) of connection cable to negative pole (-) of PV input connector.
  • Page 15 Recommended Panel Configuration Solar panel Nominal Max. Power (Pmax) (W) Opt. Operating Voltage (Vmp) (V) 40.3 41.3 41.6 41.9 Opt. Operating Current (Imp) (A) 10.68 11.02 12.5 12.77 Open Circuit Voltage (Voc) (V) 48.3 49.3 49.14 49.44 Short Circuit Current (Isc) (A) 11.37 11.66 13.23...

  • Page 16: Battery Connection

    7. Battery Connection CAUTION: Before connecting to batteries, please install separately a DC circuit breaker between inverter and batteries. NOTE1: Please only use sealed lead acid battery, vented and Gel battery. Please check maximum charging voltage and current when first using this inverter. If using Lithium iron or Nicd battery, please consult with installer for the details.

  • Page 17: Load (Ac Output) Connection

    8. Load (AC Output) Connection 8-1. Preparation CAUTION: To prevent further supply to the load via the inverter during any mode of operation, an additional disconnection device should be placed on in the building wiring installation. WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC connection.
  • Page 18 L1→ LINE 1 (Black) L2→ LINE 2 (Grey) L→ LINE 3 (Brown) → Ground (Yellow-Green) N→ Neutral (Blue) The reference tightening torque is 1.0-1.5 N.m. Step 4: Push protective dome (D) on to socket element (E) until both are locked tightly. Then, twist protective element (D) and pressure dome (A) so that all cables are firmly connected.

  • Page 19: Communication Connection

    9. Communication Connection Serial Connection The inverter is equipped with several communication ports and it is also equipped with a slot for alternative communication interfaces in order to communicate with a PC with corresponding software. This intelligent slot is suitable to install with SNMP card and Modbus card.

  • Page 20: Dry Contact Signal

    For quick installation and operation, please refer to Appendix III - The Wi-Fi Operation Guide for details. Dry Contact Signal There is one dry contact available on the bottom panel. It could be used to remote control for external generator. 10-1.

  • Page 21: Function Description

    10-2. Function Description Unit Condition Status Dry contact port: NO&C NC&C Power Unit is off and no output is powered. Open Close Battery voltage is lower than setting battery cut-off discharging voltage Close Open when grid is available. Battery voltage is lower than setting battery cut-off discharging voltage Close Open...

  • Page 22: Application With Energy Meter

    Application with Energy Meter With Modbus card II and energy meter, hybrid inverter can be easily integrated into the existing household system. For details please refer to Modbus card II manual. Note: this application is only valid for Grid-Tie with Backup II mode. Equipped with Modbus card II, hybrid inverter is connected to energy meter with RS485 communication port.

  • Page 23: Commissioning

    Commissioning Step 1: Check the following requirements before commissioning: Ensure the inverter is firmly secured  Check if the open circuit DC voltage of PV module meets requirement (Refer to  Section 6) Check if the open circuit utility voltage of the utility is at approximately same to ...

  • Page 24: Initial Setup

    Initial Setup Before inverter operation, it’s required to set up “Operation Mode” via software. Please strictly follow below steps to set up. For more details, please check software manual. Step 1: After turning on the inverter and installing the software, please click “Open Monitor”...
  • Page 25 SECTION A: Standard: It will list local grid standard. It’s requested to have factory password to make any modifications. Please check local dealer only when this standard change is requested. CAUTION: Wrong setting could cause the unit damage or not working. Nominal Output Voltage: 230V.
  • Page 26 Allow to feed-in to the Grid: This option is only valid under Grid-tie and Grid-tie with backup modes. Users can decide if this inverter can feed-in to the grid. Allow battery to discharge when PV is available: This option is automatically determined by setting in “Load supply source (PV is available)”.
  • Page 27 It’s allowed to charge battery from PV power first. If it’s not sufficient, grid will charge battery. 2. PV only It is only allow PV power to charge battery. 3. None It is not allowed to charge battery no matter it’s from PV power or grid. Load supply source: When PV power is available: 1 PV, 2...
  • Page 28 PV energy supply priority setting: 1 Load, 2 Battery and 3 Grid. PV power will provide power to the load first. Then, it will charge battery. If there is any remaining power left, it will feed-in to the grid. Battery charging source: 1.
  • Page 29 Grid-tie with backup (III):  PV energy supply priority setting: 1 Load, 2 Grid and 3 Battery PV power will provide power to the load first. If there is more PV power available, it will feed-in to the grid. If feed-in power reaches max. feed-in power setting, the remaining power will charge battery.
  • Page 30 battery power is running out, grid will back up the load. NOTE: This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order. Otherwise, it will cause battery damage. Grid-tie with backup (IV): Users are only allowed to set up peak time and off- ...
  • Page 31 Battery charging source: PV and grid charge battery PV power will charge battery first during off-peak time. If it’s not sufficient, grid will charge battery. Load supply source: 1 PV, 2 Grid, 3 Battery When battery is fully charged, remaining PV power will provide power to the load first.
  • Page 32 Off-Grid Off-Grid (I): Default setting for off-grid mode.  PV energy supply priority setting: 1 Load, 2 Battery PV power will provide power to the load first and then charge battery. Feed-in to the grid is not allowed under this mode. At the same time, the grid relay is connected in Inverter mode.
  • Page 33 Grid will provide power to the load at first. If grid is not available, battery power will provide power backup. 2. 1 Battery, 2 Grid (Default) Battery power will provide power to the load at first. If battery power is running out, grid will back up the load.
  • Page 34 When PV power is not available: 1. 1 Grid, 2 Battery: Grid will provide power to the load at first. If grid is not available, battery power will provide power backup. 2. 1 Battery, 2 Grid: Battery power will provide power to the load at first. If battery power is running out, grid will back up the load.
  • Page 35 Load supply source: When PV power is available: 1 PV, 2 Battery, 3 Grid PV power will provide power to the load first. If it’s not sufficient, battery power will back up the load. Only after battery power is running, Grid will back up the load. When PV power is not available: 1.

  • Page 36: Operation

    Operation 14-1. Interface The operation LCD panel, shown in the chart below, includes four touchable function keys and a LCD display to indicate the operating status and input/output power information. LCD display Touchable function keys NOTICE: To accurately monitor and calculate the energy generation, please calibrate the timer of this unit via software every one month.
  • Page 37 Display Function Indicates AC input voltage and frequency. V: voltage, Hz: frequency, L1/L2/L3: Line phase Indicates AC output power, voltage, frequency, or current. kw: active power, V: voltage, Hz: frequency, A: current L1/L2/L3: AC output phase Indicates PV input voltage, power or current. V: voltage, W: power, P1: PV input 1, P2: PV input 2 A: current Allow AC and PV charging...

  • Page 38: Touchable Function Keys

    Indicates AC output for loads is enabled and inverter is providing power to the connected loads. Indicates AC output for loads is enabled but there is no power provided from inverter. At this time, no battery and the utility are available. Only PV power exists but is not able to provide power to the connected loads.

  • Page 39: Lcd Setting

    14-4. LCD Setting After touching and holding “UP” and “DOWN” button for 3 seconds, the unit will enter setting mode. Press “UP” or “DOWN” button to select setting programs. And then, press “ENTER” button to confirm the selection or ESC button to exit. Prog Description Selectable option...
  • Page 40 For MPI 15KW WP model, charging setting range is 1A, then current: from 10A to 300A. To configure For MPI 12KW WP model, total charging setting range is 1A,then from current for 10A to 250A. solar and Increment of each click is utility 10A.
  • Page 41 10A.
  • Page 42 Default setting: 56.0V Setting range is from 48.0V to 60.0V. Increment of each Bulk charging click is 0.1V. voltage (C.V voltage) Default setting: 54.0V Setting range is from 48.0V Floating to 60.0V. Increment of each charging click is 0.1V. voltage Low DC cut off Default setting:42.0 Setting range is from 40V to...
  • Page 43 Grid-tie with backup Mode Grid-tie with backup I Battery-Load-Grid: PV power will charge battery first, then provide power to the load. If there is any remaining power left, it will feed-in to the grid. Grid-tie with backup II Load-Battery-Grid: PV power will provide power to the load first.
  • Page 44 Off-Grid III Load-Battery: PV power will provide power to load first and then charge battery. Feed-in to the grid is not allowed under this mode. The grid relay is NOT connected. Grid-Tie Mode PV power only feeds-in to the grid. No priority setting is available.
  • Page 45 SUB(default) Solar-grid-battery: PV power will provide power to the load first. If it’s not sufficient, grid will provide power to the load. If grid is not available at the same time, battery power will back Load supply source (PV is Solar-Battery-Grid: available) PV power will provide power...
  • Page 46 Stop charging 00:00 (Default) The setting range of start time for charging time for AC charger second is from 00:00 to 23:00. duration of AC Increment of each click is 1 charge hour. 00:00 (Default) The setting range of AC Scheduled output on is from 00:00 to time for AC...
  • Page 47 Alarm on in battery mode Alarm off in battery mode (default) Alarm control at battery mode Activate lithium battery Activate lithium battery Activate enable(default) disable lithium battery when the device is powered on Single: This inverter is Parallel: This inverter is used in single phase operated in parallel system.

  • Page 48: Lcd Display Information

    For month setting, the range Time setting– is from 01 to 12. Month For year setting, the range is Time setting – from 17 to 99. Year 14-5. LCD Display Information There are two ways to change LCD display information: Query menu and pressing “ ”...
  • Page 49 Frequency, voltage or power of AC output  Procedure Input voltage or power of PV input.  Procedure...
  • Page 50 Switch LCD Displayed Information The LCD display information will be switched in turns by pressing “ ” or “ ” key. The selectable information is switched as the following table in order. Selectable LCD display information Real date：2020-08-18 Real date Real time：10:08 Real time PV energy generated today =8Wh.
  • Page 51 PV energy generated this month = 8kWh. PV energy generated this month PV energy generated this year = 108kWh PV energy generated this year Total PV energy generated = 108kWh. Total PV energy generated...
  • Page 52 Main CPU version 01.01. Main CPU version checking. Secondary CPU version 01.01. Secondary CPU version checking Remote version 16.00 Remote version checking...

  • Page 53: Operation Mode & Display

    Warning code：08 Warning code 14-6. Operation Mode & Display Below is only contained LCD display for grid-tie with backup mode (I). If you need to know other operation mode with LCD display, please check with installer. Inverter mode with grid connected This inverter is connected to grid and working with DC/INV operation.
  • Page 54 PV power is generated, but not sufficient enough to charge battery by itself. PV power and the utility are charging battery at the same time. And the utility is also supplying power to the connected load. This inverter is disabled to generate power to the loads via AC output.
  • Page 55 PV power and utility are providing power to the connected loads because of insufficient PV power. Inverter mode without grid connected This inverter is working with DC/INV operation and not connecting to the grid. LCD Display Description PV power is sufficient to charge battery and provide power to the connected loads.
  • Page 56 Bypass mode The inverter is working without DC/INV operation and connecting to the loads. LCD Display Description Only utility is charging battery and providing power to connected loads. Only utility is available to provide power to connected loads. Standby mode : The inverter is working without DC/INV operation and load connected.

  • Page 57: Charging Management

    Charging Management Default Charging Parameter Note Value For MPI 12KW WP model, it can be adjusted via software from 10Amp to 250Amp. Charging current For MPI 15KW WP model, it can be adjusted via software from 10Amp to 300Amp.
  • Page 58 If using sealed lead acid battery, please set up the max. charging current according to below formula: The maximum charging current = Battery capacity (Ah) x 0.2 For example, if you are using 300 Ah battery, then, maximum charging current is 300 x 0.2=60 (A).

  • Page 59: Maintenance & Cleaning

    Maintenance & Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals. Ensure all connectors of this inverter are cleaned all the time.  Before cleaning the solar panels, be sure to turn off PV DC breakers. ...

  • Page 60: Trouble Shooting

    Trouble Shooting When there is no information displayed in the LCD, please check if PV module/battery/grid connection is correctly connected. NOTE: The warning and fault information can be recorded by remote monitoring software. 17-1. Warning List There are 20 situations defined as warnings. When a warning situation occurs, icon will flash and will display warning code.

  • Page 61: Fault Reference Codes

    17-2. Fault Reference Codes When a fault occurs, the icon will flash as a reminder. See below for fault codes for reference. Situation Fault Solution Fault Event Possible cause Code Bus voltage over Surge 1. Restart the inverter. 2. If the error message still remains, please contact your installer.
  • Page 62 GFCI fault Leakage current 1. Check the wire and panels excceds the limit. which may cause the leakage. 2. If the error message still PV ISO fault The resistance remains, please contact your between PV and installer. ground is too low. INV DC current over Utility fluctuates.
  • Page 63 BUCK BOOST is BUCK BOOST 1. Check the ambient over temperature temperature is too temperature and fans. high. 2. If the error message still remains, please contact your installer. Relay version error Internal Please contact your installer. components failed. PV1 Over PV1 temperature is 1.

  • Page 64: Specifications

    Specifications MODEL MPI 12KW WP MPI 15KW WP RATED POWER 12000 W 15000 W PV INPUT (DC) Maximum DC Power 16000 W 16000 W Nominal DC Voltage 720 VDC Maximum DC Voltage 1000 VDC Working DC Voltage Range 300 VDC ~ 1000 VDC...
  • Page 65 Communication Port RS-232/USB/RS485/CAN/WI-FI Intelligent Slot Optional SNMP, Modbus cards available ENVIRONMENT Protective Class Ingress Protection Rating IP65 Humidity 0 ~ 100% RH (No condensing) Operating Temperature -25 to 60°C (Power derating above 45°C) Altitude Max. 1000m* * Power derating 1% every 100m when altitude is over 1000m.

  • Page 66: Appendix I: Parallel Installation Guide

    Appendix I: Parallel Installation Guide Introduction This inverter can be used in parallel with maximum 6 units. Parallel cable You will find the following items in the package: Parallel communication cable Current sharing cable Overview Parallel communication port Current sharing port...

  • Page 67: Mounting The Unit

    Model Wire Size Dimensions Torque value Cable mm 2 D (mm) L (mm) MPI 12KW WP 54.2 7~12 Nm MPI 15KW WP 54.2 7~12 Nm WARNING: Be sure the length of all battery cables is the same. Otherwise, there will be voltage difference between inverter and battery to cause parallel inverters not working.
  • Page 68 Recommended breaker specification of battery for each inverter: Model One unit* MPI 12KW WP 350A/60VDC MPI 15KW WP 450A/60VDC *If you want to use only one breaker at the battery side for the whole system, the rating of the breaker should be X times current of one unit.

  • Page 69: Inverters Configuration

    Inverters Configuration Two inverters in parallel: Power Connection BAT- BAT+ Battery Battery INPUT INPUT OUTPUT OUTPUT Communication Connection Three inverters in parallel: Power Connection BAT- BAT+ Battery Battery Battery INPUT INPUT INPUT OUTPUT OUTPUT OUTPUT Communication Connection...
  • Page 70 Four inverters in parallel: Power Connection BAT- BAT+ AC INPUT Battery AC INPUT Battery AC INPUT Battery AC INPUT Battery OUTPUT OUTPUT OUTPUT OUTPUT Communication Connection Five inverters in parallel: Power Connection BAT- BAT+ AC INPUT Battery AC INPUT Battery AC INPUT Battery AC INPUT...
  • Page 71 Six inverters in parallel: Power Connection BAT- BAT+ Battery Battery Battery Battery AC INPUT Battery AC INPUT AC INPUT AC INPUT Battery AC INPUT AC INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT Communication Connection...

  • Page 72: Setting And Lcd Display

    Setting and LCD Display Setting Program: The parallel function setting is only available by SolarPower. Please install SolarPower in your PC first. For setting, you can set the inverter one by one through RS232 or USB port. But we suggest to use SNMP or Modbus card to combine the system as a centralized monitoring system.
  • Page 73 “ ” button before clicking “ ” button. There is a “Sync” button in each parameter setting. When “Sync” is clicked and “Apply” is pressed, this new setting will be applied to all inverters. If not, this setting is only effected in current inverter you choose.
  • Page 74 Parallel for output: Disable Fault code display: Fault Code Fault Event Icon on Power feedback protection Firmware version inconsistent Current sharing fault CAN fault Host loss Synchronization loss...

  • Page 75: Commissioning

    Commissioning Step 1: Check the following requirements before commissioning: Correct wire connection.  Ensure all breakers in Line wires of load side are open and each Neutral wire of  each unit is connected together. Step 2: Turn on each unit and set “enable parallel for output” on SolarPower or SolarPower Pro.

  • Page 76: Trouble Shooting

    Trouble shooting Situation Solution Fault Fault Event Description Code Remove excessive loads. Restart the inverter. Over current on Neutral wire If the problem remains, please contact your installer. Restart the inverter. Check if L1/L2/L3/N cables are not connected with wrong sequence in all Current feedback into the inverters.

  • Page 77: Appendix Ii: Bms

    Appendix II: BMS BMS port pin define: Definition PIN 3 RS485B PIN 5 RS485A PIN 8 After all wires are connected well and the communication between the inverter and battery is successful, it will show successful icon on the LCD screen. Code Reference Related information code will be displayed on LCD screen.

  • Page 78: Appendix Iii: Wi-Fi Operation Guide

    Appendix III: Wi-Fi Operation Guide 1. Introduction Wi-Fi module can enable wireless communication between off-grid inverters and monitoring platform. Users have complete and remote monitoring and controlling experience for inverters when combining Wi-Fi module with SolarPower APP, available for both iOS and Android based device. All data loggers and parameters are saved in iCloud. The major functions of this APP: Delivers device status during normal operation.
  • Page 79 2-2. Initial Setup Step 1: Registration at first time After the installation, please tap the shortcut icon to access this APP on your mobile screen. In the screen, tap “Register” to access “User Registration” page. Fill in all required information and scan the remote box PN by tapping icon.
  • Page 80 Enter the “SettingsWi-Fi” and select connected Wi-Fi name. The connected Wi-Fi name is the same to your Wi-Fi PN number and enter default password “12345678”. Then, return to SolarPower APP and tap “ ” button when Wi-Fi module is connected successfully. Step 3: Wi-Fi Network settings icon to select your local Wi-Fi router name (to access the internet) and enter password.
  • Page 81 Step 4: Tap “Confirm” to complete the Wi-Fi configuration between the Wi-Fi module and the Internet.
  • Page 82 If the connection fails, please repeat Step 2 and 3. Diagnose Function If the module is not monitoring properly, please tap “ ” on the top right corner of the screen for further details. It will show repair suggestion. Please follow it to fix the problem.
  • Page 83 2-3. Login and APP Main Function After finishing the registration and local Wi-Fi configuration, enter registered name and password to login. Note: Tick “Remember Me” for your login convenience afterwards. Overview After login is successfully, you can access “Overview” page to have overview of your monitoring devices, including overall operation situation and Energy information for Current power and Today power as below diagram.
  • Page 84 Devices Tap the icon (located on the bottom) to enter Device List page. You can review all devices here by adding or deleting Wi-Fi Module in this page. Add device Delete device icon on the top right corner and manually enter part number to add device. This part number label is pasted on the bottom of inverter.
  • Page 85 In ME page, users can modify “My information”, including【User’s Photo】,【Account security】, 【Modify password】,【Clear cache】,and【Log-out】, shown as below diagrams. 2-4. Device List In Device List page, you can pull down to refresh the device information and then tap any device you want to check up for its real-time status and related information as well as to change parameter settings.
  • Page 86 Device Mode On the top of screen, there is a dynamic power flow chart to show live operation. It contains five icons to present PV power, inverter, load, utility and battery. Based on your inverter model status, there will be【Standby Mode】,【Line Mode】,【Battery Mode】. 【Standby Mode】Inverter will not power the load until “ON”...
  • Page 87 Device Alarm and Name Modification In this page, tap the icon on the top right corner to enter the device alarm page. Then, you can review alarm history and detailed information. Tap the icon on the top right corner, a blank input box will pop out. Then, you can edit the name for your device and tap “Confirm”...
  • Page 88 Swipe left 【Basic Information】displays basic information of the inverter, including AC voltage, AC frequency, PV input voltage, Battery voltage, Battery capacity, Charging current, Output voltage, Output frequency, Output apparent power, Output active power and Load percent. Please slide up to see more basic information. 【Production Information】displays Model type (Inverter type), Main CPU version, Bluetooth CPU version and secondary CPU version.
  • Page 89 There are three ways to modify setting and they vary according to each parameter. Listing options to change values by tapping one of it. Activate/Shut down functions by clicking “Enable” or “Disable” button. Changing values by clicking arrows or entering the numbers directly in the column.
  • Page 90 Bulk Charging Voltage Set battery bulk charging voltage Battery Float Voltage Set battery floating charging voltage Max Charging Current To configure total charging current for solar and utility chargers. Max AC Charging Set maximum utility charging current Current Charging Source To configure charger source priority Priority Back To Grid Voltage...
  • Page 91 LCD Screen Return To If selected, no matter how users switch Default Display display screen, it will automatically return to default display screen (Input voltage /output voltage) after no button is pressed for 1 minute. Fault Code Record If enabled, fault code will be recorded in the inverter when any fault happens.

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