MPP Solar Hybrid LV 6KW User Manual
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MPP Solar Hybrid LV 6KW User Manual

MPP Solar Hybrid LV 6KW User Manual

Inverter / charger
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User Manual
Hybrid LV 6KW
INVERTER / CHARGER
Version: 1.2

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Summary of Contents for MPP Solar Hybrid LV 6KW

  • Page 1 User Manual Hybrid LV 6KW INVERTER / CHARGER Version: 1.2...

  • Page 2: Table Of Contents

    Table Of Contents ABOUT THIS MANUAL ............................. 1 Purpose ................................1 Scope ................................1 SAFETY INSTRUCTIONS ..........................1 INTRODUCTION ............................... 2 Product Overview ............................. 3 INSTALLATION ..............................4 Unpacking and Inspection..........................4 Preparation ..............................4 Mounting the Unit ............................. 4 Battery Connection ............................

  • Page 3: About This Manual

    ABOUT THIS MANUAL Purpose This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read this manual carefully before installations and operations. Keep this manual for future reference. Scope This manual provides safety and installation guidelines as well as information on tools and wiring. SAFETY INSTRUCTIONS WARNING: This chapter contains important safety and operating instructions.

  • Page 4: Introduction

    INTRODUCTION This hybrid PV inverter can provide power to connected loads by utilizing PV power, utility power and battery power. Hybrid inverter Distribution Box PV module Electric grids 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: Product Overview

    Product Overview NOTE: For parallel model installation and operation, please check separate parallel installation guide for the details. LCD display Status indicator Charging indicator Fault indicator Function buttons Power on/off switch AC input connectors AC output connectors (Load connection) PV connectors 10.

  • Page 6: Installation

    INSTALLATION Unpacking and Inspection 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 Software CD Manual RS-232 cable Preparation Before connecting all wirings, please take off bottom cover by removing four screws as shown below. Mounting the Unit Consider the following points before selecting where to install: Do not mount the inverter on flammable construction materials.

  • Page 7: Battery Connection

    Install the unit by screwing three screws. It’s recommended to use M4 or M5 screws. Battery Connection CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over-current protector or disconnect device between battery and inverter. It may not be requested to have a disconnect device in some applications, however, it’s still requested to have over-current protection installed.

  • Page 8: Ac Input/Output Connection

    WARNING: Shock Hazard Installation must be performed with care due to high battery voltage in series. CAUTION!! Do not place anything between the flat part of the inverter terminal and the ring terminal. Otherwise, overheating may occur. CAUTION!! Do not apply anti-oxidant substance on the terminals before terminals are connected tightly.

  • Page 9: Pv Connection

    WARNING: Be sure that AC power source is disconnected before attempting to hardwire it to the unit. 4. Then, insert AC output wires according to polarities indicated on terminal block and tighten terminal screws. Be sure to connect PE protective conductor ( ) first.

  • Page 10: Final Assembly

    pole (+) of PV input connector. Connect negative pole (-) of connection cable to negative pole (-) of PV input connector. Recommended PV module Configuration PV Module Spec. Total solar input power Solar input Q'ty of modules (reference) 1500W 6 pieces in series 6 pcs - 250Wp 2000W...

  • Page 11: Communication Connection

    Communication Connection Serial Connection Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and follow on-screen instruction to install the monitoring software. For the detailed software operation, please check user manual of software inside of CD. Wi-Fi Connection Wi-Fi module can enable wireless communication between off-grid inverters and monitoring platform.

  • Page 12: Operation

    OPERATION Power ON/OFF Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch (located on the button of the case) to turn on the unit. Operation and Display Panel The operation and display panel, shown in below chart, is on the front panel of the inverter. It includes three indicators, four function keys and a LCD display, indicating the operating status and input/output power information.

  • Page 13: Lcd Display Icons

    Function Keys Function Key Description Exit the setting Reserved Reserved Reserved Reserved To last selection Down To next selection Enter To confirm/enter the selection in setting mode LCD Display Icons Icon Function Input source information Indicates the AC input Indicates the PV1 panel input Left digital display information Indicate input voltage, input frequency, battery voltage, PV voltage, charger current...

  • Page 14: Lcd Setting

    Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% and charging status. Load information Indicates overload. Indicates the load level by 0-24%, 25-50%, 50-74%, and 75-100%. 0%~25% 25%~50% 50%~75% 75%~100% Mode operation information Indicates unit connects to the mains. Indicates unit connects to the 1 PV panel Indicates the solar charger is working Indicates the DC/AC inverter circuit is working.
  • Page 15 only when battery voltage drops to either low-level warning voltage or the setting point in program 20 or solar and battery is not sufficient. Appliances (default) If selected, acceptable AC input voltage range will be within 65-140VAC. AC input voltage range If selected, acceptable AC input voltage range will be within 95-140VAC.
  • Page 16 Feed to grid enable Solar energy feed to grid enable. If this inverter/charger is working in Line, Standby or Fault mode, charger source can be programmed as below: Solar first Solar energy will charge battery as first priority. Utility will charge battery only when solar energy is not available.
  • Page 17 100A AGM (default) Flooded User-Defined If “User-Defined” is selected, battery charge voltage and low DC cut-off voltage can be set up in program 17, 18 and 19. Pylontech battery If selected, programs of 11, 17, 18 and 19 will be automatically set up. No need for further setting.
  • Page 18 default setting: 46V Setting range is from 44V to 51V and increment of each click is 1V. Battery stop discharging 10% (default) If “WECO battery” is selected in voltage when grid is available program 14, the parameter will be fixed at 10% SOC of battery. Battery fully charged The setting range is from 48V to 58V and increment of each click is 1V.
  • Page 19 Parallel: When selected, this inverter Single: When selected, is operated in parallel system. The the unit is used in AC output mode maximum parallel unit is 9. single operation. *This setting is only available when the inverter is in standby mode (Switch off).
  • Page 20 57~62Hz. Time setting – Minute For minute setting, the range is from 00 to 59. Time setting – Hour For hour setting, the range is from 00 to 23. Time setting– Day For day setting, the range is from 00 to 31. Time setting–...

  • Page 21: Display Setting

    Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable information is switched as below order: input voltage, input frequency, PV voltage, charging current, battery voltage, output voltage, output frequency, load percentage, load in Watt, load in VA, load in Watt, DC discharging current, main board firmware version and SCC firmware version.
  • Page 22 Input2 frequency and output2 frequency Input2 frequency=60.0Hz, output2 frequency=60.0Hz Battery voltage and output1 voltage Battery Voltage=48.0V, output1 voltage=120V Battery voltage and output2 voltage Battery Voltage=48.0V, output2 voltage=120V Battery voltage and load1 percentage Battery Voltage=48.0V, load1 percentage = 68%...
  • Page 23 Battery voltage and load2 percentage Battery Voltage=48.0V, load2 percentage = 68% Battery voltage and load1 in VA Battery Voltage=48.0V, load1 in VA=1.08kVA Battery voltage and load2 in VA Battery Voltage=48.0V, load2 in VA=1.08kVA Battery voltage and load1 in Watt Battery Voltage=48.0V, load1 in Watt=1.08kW...
  • Page 24 Battery voltage and load2 in Watt Battery Voltage=48.0V, load2 in Watt=1.08kW PV1 voltage and PV power PV1 Voltage=360V, PV power=1.58kW Charger current and Charging current=30A, discharging current=0A DC discharging current PV energy generated today Today energy = 1.68kWh PV energy generated this month This month energy = 358kWh...
  • Page 25 PV energy generated this year This year energy = 16.8MWh PV energy generated totally Total energy = 37.6MWh Real date Real date Nov 28, 2016. Real time Real time 13:20. Main CPU version checking. Main CPU version 00052.02...

  • Page 26: Operating Mode Description

    Secondary CPU version checking. Secondary CPU version 00020.21 Operating Mode Description Operating mode Behaviors LCD display Battery is charged by utility. Battery is charged by PV energy. Standby mode Note: *Standby mode: The inverter Battery is charged by utility and PV energy. is not turned on yet but at this time, the inverter can charge battery without AC...
  • Page 27 PV energy and utility charge battery, and utility provides power to load. PV energy charges battery, utility and PV energy provide power to the load. Output power from utility. Charger available PV energy charges battery, PV energy provides power to the load and feeds remaining energy to the grid. PV energy and battery energy supply power to the load.
  • Page 28 Warning Indicator Warning Code Warning Event Icon flashing Fan locked Over temperature Battery over charged Low battery Overload Inverter power derating PV is weak Battery is not connected...
  • Page 29 Faults Reference Code Fault Code Fault Event Icon on Fan is locked. Over temperature Battery voltage is too high. Battery voltage is too low. Output is short circuited. Output voltage is abnormal. Overload time out. Bus voltage is too high. Bus soft start failure.

  • Page 30: Specifications

    SPECIFICATIONS MODEL RATED OUPUT POWER 6000W PV INPUT (DC) Max. PV Power 6000W Max. Input voltage 450 VDC (Maximum PV open voltage) Max. DC Power MPPT range 120 VDC~430 VDC Max. DC Input current / per string Number of MPP Tracker GRID-TIE OPERATION GRID OUTPUT (AC) Nominal Output Voltage...

  • Page 31: Trouble Shooting

    TROUBLE SHOOTING Problem LCD/LED/Buzzer Explanation / Possible cause What to do Unit shuts down LCD/LEDs and buzzer automatically will be active for 3 The battery voltage is too low 1. Re-charge battery. during startup seconds and then (<1.91V/Cell) 2. Replace battery. process.

  • Page 32: Appendix I: Parallel Function

    Appendix I: Parallel function 1. Introduction This inverter can be used in parallel in only split phase equipment. Maximum nine units work together to support split phase equipment. The supported maximum output  power is 54KW/54KVA. NOTE: If this unit is bundled with share current cable and parallel cable, this inverter is default supported parallel operation.
  • Page 33 Step 3: Remove two screws as below chart to take out cover of parallel communication. Step 4: Install new parallel board with 2 screws tightly. Step 6: Connect 2-pin to original position. Step 7: Put communication board back to the unit. Step 8: Put wire cover back to the unit.
  • Page 34 4. Mounting the Unit When installing multiple units, please follow below chart. NOTE: For proper air circulation to dissipate heat, allow a clearance of approx. 20 cm to the side and approx. 50 cm above and below the unit. Be sure to install each unit in the same level. 5.
  • Page 35 be X times current of 1 unit. “X” indicates the number of inverters connected in parallel. Recommended breaker specification of AC input with single phase: 2 units 3 units 4 units 5 units 6 units 7 units 8 units 9 units Model 80A/ 120A/...
  • Page 36 Three inverters in parallel: Power Connection Load Communication Connection ❶ ❷ ❸ Four inverters in parallel: Power Connection Load...
  • Page 37 Communication Connection ❶ ❷ ❸ ❹ Five inverters in parallel: Power Connection Load Communication Connection ❶ ❷ ❸ ❹ ❺ Six inverters in parallel: Power Connection Load Communication Connection ❶ ❷ ❸ ❹ ❺ ❻...
  • Page 38 Seven inverters in parallel: Power Connection Load Communication Connection ❶ ❷ ❸ ❹ ❺ ❻ ❼ Eight inverters in parallel: Power Connection Load Communication Connection ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ Nine inverters in parallel: Power Connection Load Communication Connection ❶...
  • Page 39 7. PV Connection Please refer to user manual of single unit for PV Connection. CAUTION: Each inverter should connect to PV modules separately. 7. LCD Setting and Display Setting Program: Program Description Selectable option Single: When selected, the unit is used in single AC output mode operation.
  • Page 40 9. 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 wires of each unit are connected  together. Step 2: Turn on each unit and set “PAL” in LCD setting program 28 of each unit. And then shut down all units. NOET: It’s necessary to turn off switch when setting LCD program.
  • Page 41 please check if all battery cables are the same length and same material type. Otherwise, please contact your installer to provide SOP to calibrate battery voltage of each inverter. If the problem still remains, please contact your installer. Check the utility wiring conncetion and restart the inverter. AC input voltage and Make sure utility starts up at same time.

  • Page 42: Appendix Ii: Bms Communication Installation

    Appendix II: BMS Communication Installation 1. Introduction If connecting to lithium battery, it is recommended to purchase a custom-made RJ45 communication cable. Please check with your dealer or integrator for details. This custom-made RJ45 communication cable delivers information and signal between lithium battery and the inverter.
  • Page 43 NOTE: “1” is upper position and “0” is bottom position. Dip 1 Dip 2 Dip 3 Dip 4 Group address Single group only. It’s necessary to set up master battery with this setting and slave batteries are unrestricted. Multiple group condition. It’s necessary to set up master battery on the first group with this setting and slave batteries are unrestricted.
  • Page 44 Step 4. Turn on the inverter. Step 5. Be sure to select battery type as “PYL” in LCD program 14. WECO Step 1. Use custom-made RJ45 cable to connect inverter and Lithium battery. Note for parallel system: 1. Only support common battery installation. 2.
  • Page 45 SOLTARO Step 1. Use custom-made RJ45 cable to connect inverter and Lithium battery. Note for parallel system: 1. Only support common battery installation. 2. Use custom-made RJ45 cable to connect any inverter (no need to connect to a specific inverter) and Lithium battery.
  • Page 46 5. LCD Display Information Press “UP” or “DOWN” key to switch LCD display information. It will show battery pack and battery group number before “Main CPU version checking” as below screen. Selectable information LCD display Battery pack numbers & Battery pack numbers = 3, battery group numbers = 1 Battery group numbers 6.

  • Page 47: Appendix Iii: Approximate Back-Up Time Table

    Appendix III: Approximate Back-up Time Table Model Load (VA) Backup Time @ 48Vdc 200Ah (min) Backup Time @ 48Vdc 400Ah (min) 1226 2576 1000 1226 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Note: Backup time depends on the quality of the battery, age of battery and type of battery. Specifications of batteries may vary depending on different manufacturers.

  • Page 48: Appendix Iv: The Wi-Fi Operation Guide In Remote Panel

    Appendix IV: The Wi-Fi Operation Guide in Remote Panel 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.
  • Page 49 Then, a “Registration success” window will pop up. Tap “Go now” to continue setting local Wi-Fi network connection. Step 2: Local Wi-Fi Module Configuration Now, you are in “Wi-Fi Config” page. There are detailed setup procedure listed in “How to connect?” section and you may follow it to connect Wi-Fi.
  • Page 50 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. Step 4: Tap “Confirm” to complete the Wi-Fi configuration between the Wi-Fi module and the Internet. If the connection fails, please repeat Step 2 and 3.
  • Page 51 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. Then, repeat the steps in the chapter 4.2 to re-set network setting.
  • Page 52 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. 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.
  • Page 53 Part number label is pasted on the bottom of remote LCD panel. For more information about Device List, please refer to the section 2.4. 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. 2.2.
  • Page 54 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】.
  • Page 55 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 and secondary CPU version.
  • Page 56 Please refer to below parameter setting list for an overall description and be noted that the available parameters may vary depending on different models. Please always see the original product manual for detailed setting instructions. Parameter setting list: Item Description Output setting Output source To configure load power source priority.
  • Page 57 Record happens. Solar Supply Set solar power as priority to charge the battery or to power the load. Priority Reset PV If clicked, PV energy storage data will be reset. Energy Storage Start Time For The setting range of start charging time for AC charger is from 00:00 to Enable AC 23:00.

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