Growatt SPF 3000TL LVM-ES User Manual
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Growatt SPF 3000TL LVM-ES User Manual

Off grid solar inverter
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User Manual
Off Grid Solar Inverter
SPF 3000TL LVM-ES
Version: 2.0

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Summary of Contents for Growatt SPF 3000TL LVM-ES

  • Page 1 User Manual Off Grid Solar Inverter SPF 3000TL LVM-ES Version: 2.0...

  • Page 2: Table Of Contents

    Table Of Contents Information on this Manual ..........................1 Validity ................................1 Scope ................................1 Target Group ..............................1 Safety Instructions ............................1 Introduction ..............................2 Features ................................2 Product Overview ............................. 3 Installation ..............................4 Unpacking and Inspection ..........................4 Preparation ..............................4 Mounting the Unit ............................. 4 Battery Connection ............................

  • Page 3: Information On This Manual

    Information on this Manual Validity This manual is valid for the following devices: SPF 3000TL LVM-ES Scope This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read this manual carefully before installations and operations. Target Group This document is intended for qualified persons and end users.

  • Page 4: Introduction

    Introduction Hybrid Power System This is a multifunctional off grid solar inverter, integrated with a MPPT solar charge controller, a high frequency pure sine wave inverter and a UPS function module in one machine, which is perfect for off grid backup power and self-consumption applications.

  • Page 5: Product Overview

    Product Overview 1. LCD display 2. Status indicator 3. Charging indicator 4. Fault indicator 5. Function buttons 6. AC input 7. WiFi/GPRS communication port 8. USB communication port 9. BMS communication port (support CAN/RS485 protocol) 10. RS485 communication port (for expansion) 11.

  • 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 in the package: The unit x 1 User manual x 1 Communication cable x 1 Software CD x 1 Current sharing cable x 1 Parallel communication cable x 1...

  • Page 7: Battery Connection

    Recommended battery cable and terminal size: Torque value Model Wire Size SPF 3000TL LVM-ES 1 * 4 AWG 2-3 Nm Note: For lead acid battery, the recommended charge current is 0.2C(Cbattery capacity) Please follow below steps to implement battery connection: 1.
  • Page 8 Lithium Battery Connection If choosing lithium battery for SPF 3000TL LVM-ES, you are allowed to use the lithium battery only which we have configured. There're two connectors on the lithium battery, RJ45 port of BMS and power cable. Please follow below steps to implement lithium battery connection: 1.
  • Page 9 LCD setting To connect battery BMS, need to set the battery type as “LI” in Program 05. After set “LI” in Program 05, it will switch to Program 36 to choose communication protocol. You can choose RS485 communication protocol which is from L01 to L50, and you can also choose CAN communication protocol which is from L51 to L99.
  • Page 10 Default 20%, 5%~50% Settable Note: Any questions about communicating with BMS, please consult with Growatt. Communicating with battery BMS in parallel system If need to use communicate with BMS in a parallel system, you should make sure to connect the BMS communication cable between the battery and one inverter of the parallel system.

  • Page 11: Ac Input/Output Connection

    AC input power source. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 40A for SPF 3000TL LVM-ES. CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input and output connectors.

  • Page 12: Pv Connection

    To reduce risk of injury, please use the proper recommended cable size as below. Torque value Model Wire Size SPF 3000TL LVM-ES 1 * 12 AWG 1.2-1.6 Nm PV Module Selection: When selecting proper PV modules, please be sure to consider below parameters: 1.

  • Page 13: Final Assembly

    Final Assembly After connecting all wiring, please put bottom cover back by screwing two screws as shown below. Communication 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.

  • Page 14: 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 15 LCD Display Icons Icon Description AC Input Information AC input icon Indicate AC input power, AC input voltage, AC input frequency, AC input current Indicate AC power loads in bypass PV Input Information PV input icon Indicate PV power, PV voltage, PV current, etc Output Information Inverter icon Indicate...
  • Page 16 In AC mode, battery icon will present Battery Charging Status Status Battery voltage LCD Display <2V/cell 4 bars will flash in turns. Bottom bar will be on and the other three bars Constant Current 2 ~ 2.083V/cell will flash in turns. mode / Constant Bottom two bars will be on and the other two bars 2.083 ~ 2.167V/cell...
  • Page 17 LCD Setting After pressing and holding ENTER button for 3 seconds, the unit will enter setting mode. Press “UP” or “DOWN” button to select setting programs. Then press “ENTER” button to confirm the selection or ESC button to exit. Program Description Setting Option Solar first...
  • Page 18 Saving mode disable (default) If disabled, no matter connected load is low or high, the on/off status of inverter output will not be effected. Power saving mode enable/disable Saving mode enable If enabled, the output of inverter will be off when connected load is pretty low or not detected.
  • Page 19 Maximum utility charging current Note: If setting value in Program 02 is smaller than that in Program 11, the inverter will apply Default 30A, 10A~40A Settable charging current from Program 02 for utility charger Setting voltage point back to utility source when selecting “SBU priority”...
  • Page 20 Low DC cut-off voltage. If self-defined is selected in Default 42.0V, 40.0V~48.0V Settable program 5, this program When reach Low DC cut-off voltage: can be set up. 1) If battery power is only power source available, inverter will shut down. Low DC cut-off voltage will 2) If PV energy and battery power are available, inverter will charge battery be fixed to setting value no...
  • Page 21 Battery equalization enable Battery equalization disable(default) Battery equalization If “Flooded” or “User-Defined” is selected in program 05, this program can be set up. Battery equalization voltage Default 58.4V, 48.0V~58.4V Settable Default 60min, 5min~900min Battery equalized time Settable Default 120min, 5min~900min Battery equalized timeout Settable Default 30days, 1 days~90 days...

  • Page 22: Display Information

    Display Information The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable information is switched as below order: voltage, frequency, current, power, firmware version. Setting Information LCD display ① AC Input voltage ② Output voltage ③...

  • Page 23: Operating Mode Description

    Operating Mode Description Operation mode Description LCD display Charging by utility and PV Charging by utility Standby mode / Power saving energy. mode Note: *Standby mode: The No output is inverter is not turned on yet but at this time, the inverter can supplied by the charge battery without AC unit but it still...

  • Page 24: Parallel Installation Guide

    Parallel Installation Guide Introduction This inverter can be used in parallel with three different operation modes. 1. Parallel operation in single phase with up to 6 units. 2. Maximum 6 units work together to support 3-phase output. 4 units support one phase maximum. 3.
  • Page 25 Step 3: Remove two screws as below chart and remove 2-pin and 14-pin cables. Take out the board under the communication boards. Step 4: Remove two screws as below chart to take out cover of parallel communication. Step 5: Install new parallel board with 2 screws tightly. Step 6: Re-connect 2-pin and 14-pin to original position of parallel board, and re-connect 2-pin and 6-pin to original position of communication board.
  • Page 26 Ring terminal: Model Wire Size Torque value SPF 3000TL LVM-ES 1 * 4 AWG 2-3 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 27: Parallel Operation In Single Phase

    LVM-ES Note1: You can use 50A for SPF 3000TL LVM-ES for only 1 unit, and each inverter has a breaker at its AC input. Note2: Regarding three phase system, you can use 4 poles breaker, the rating is up to the current of the phase which has the maximum units.
  • Page 28 Three inverters in parallel: Power Connection Communication Connection Four inverters in parallel: Power Connection Communication Connection...
  • Page 29 Five inverters in parallel: Power Connection Communication Connection Six inverters in parallel: Power Connection Communication Connection...

  • Page 30: Parallel Operation In Three Phase

    Parallel Operation in Three Phase WARNING! All inverters must be connected to the same batteries and ensure each group of cables from the inverters to the batteries in the same length. One inverter in each phase: Power Connection Communication Connection Two inverters in one phase and only one inverter for the remaining phases: Power Connection Communication Connection...
  • Page 31 Two inverters in two phases and only one inverter for the remaining phase: Power Connection Communication Connection Three inverters in one phase and only one inverter for the remaining two phases: Power Connection Communication Connection...
  • Page 32 Two inverters in each phase: Power Connection Communication Connection Three inverters in one phase, two inverters in second phase and one inverter for the third phase: Power Connection Communication Connection...

  • Page 33: Parallel Operation In Split Phase

    Four inverters in one phase and one inverter for the other two phases: Power Connection Communication Connection WARNING: Do not connect the current sharing cable between the inverters which are in different phases. Otherwise, it may damage the inverters. Parallel Operation in Split Phase One inverter in each phase: Power Connection Communication Connection...
  • Page 34 Two inverters in each phase: Power Connection Communication Connection Three inverters in each phase: Power Connection Communication Connection WARNING: Do not connect the current sharing cable between the inverters which are in different phases. Otherwise, it may damage the inverters.

  • Page 35: Pv Connection

    PV Connection Please refer to user manual of single unit for PV Connection on Page 10. CAUTION: Each inverter should connect to PV modules separate. LCD Setting and Display Refer to Program 23 on Page 18 Parallel in Single Phase Step 1: Check the following requirements before commissioning: Correct wire connection ...
  • Page 36 Parallel in Three Phase 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 all units and configure LCD program 23 as P1, P2 and P3 sequentially. Then shut down all units. NOTE: It’s necessary to turn off switch when setting LCD program.
  • Page 37 Parallel in Split Phase 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 all units and configure LCD program 23 as 2P0 on phase1 units, then set as 2P2(or 2P1) on phase2 units: 2P0+2P1: split phase 120V/208V 2P0+2P2: split phase 120V/240V...

  • Page 38: Fault Reference Code

    Fault Reference Code Fault Code Fault Event Icon on Fan is locked Over temperature Battery voltage is too high Battery voltage is too low Output short circuited Output voltage is too high. Overload time out Bus voltage is too high Bus soft start failed Over current or surge Bus voltage is too low...

  • Page 39: Warning Indicator

    Warning Indicator Warning Warning Event Audible Alarm Icon Code flashing Beep 3 times every second Fan is locked when inverter is on. Beep once every second Over temperature Beep once every second Battery is over-charged Beep once every second Low battery Beep once every 0.5 second Overload Beep twice every 3 seconds...

  • Page 40: Battery Equalization

    Battery Equalization Equalization function is added into charge controller. It reverses the buildup of negative chemical effects like stratification, a condition where acid concentration is greater at the bottom of the battery than at the top. Equalizationalso helps to remove sulfate crystals that might have built up on the plates. If left unchecked, this condition, called sulfation, will reduce the overall capacity of the battery.

  • Page 41: Specifications

    Specifications Table 1 Line Mode Specifications INVERTER MODEL SPF 3000TL LVM-ES Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 120Vac Low Loss Voltage 95Vac±7V (UPS); 65Vac±7V (Appliances) Low Loss Return Voltage 100Vac±7V (UPS); 70Vac±7V (Appliances) High Loss Voltage 140Vac±7V...
  • Page 42 Table 2 Inverter Mode Specifications INVERTER MODEL SPF 3000TL LVM-ES Rated Output Power 3KVA/3KW Output Voltage Waveform Pure Sine Wave 120Vac±5% Output Voltage Regulation Output Frequency 60Hz Nominal Output Current Max Output Fault Current/ Duration 80A/ 300μs Max Output Overcurrent Protection...
  • Page 43 Utility Charging Mode INVERTER MODEL SPF 3000TL LVM-ES Charging Algorithm 3-Step Max. AC Charging Current 40Amp(@V =120Vac) Bulk Charging Flooded Battery 58.4Vdc Voltage AGM / Gel Battery 56.4Vdc Floating Charging Voltage 54Vdc Charging Curve MPPT Solar Charging Mode Max. PV Array Power 4000W Max.

  • Page 44: Trouble Shooting

    Trouble Shooting Problem LCD/LED/Buzzer Explanation What to do LCD/LEDs and buzzer Unit shuts down The battery voltage is too low . 1. Re-charge battery. will be active for 3 Automatically during seconds and then (<1.91V/Cell) 2. Replace battery. startup process. complete off.
  • Page 45 1. If you connect to a lithum battery without communication, check whether the voltage points of the program 19 and 21 are too high Fault code 08 Bus voltage is too high. for the lithum battery. 2. Restart the unit, if the error happens again, please return to repair center.

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