Growatt SPF 3000TL LVM User Manual
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Growatt SPF 3000TL LVM User Manual

Off grid solar inverter
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User Manual
Off Grid Solar Inverter
SPF 3000TL LVM
Version: 4.0

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Summary of Contents for Growatt SPF 3000TL LVM

  • Page 1 User Manual Off Grid Solar Inverter SPF 3000TL LVM Version: 4.0...

  • 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 ................................

  • Page 3: Information On This Manual

    Information on this Manual Validity This manual is valid for the following devices: SPF 3000TL LVM-24P; SPF 3000TL LVM-48P; Scope This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read this manual carefully before installations and operations.

  • 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 Single Model Parallel Model 6. AC input 7. WiFi/GPRS communication port 8. USB communication port 9. Dry contact 10. PV input 11. Power on/off switch 12.

  • 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 USB Communication cable x 1 Current sharing cable (parallel model available) Parallel communication cable (parallel model available) Note: The Software CD is no longer provided, if necessary, please download it from the official website...

  • Page 7: Battery Connection

    Battery Connection Lead-acid Battery Connection User can choose proper capacity lead acid battery with a nominal voltage at 48V for 48V model and at 24V for 24 model.You need to choose battery type as “AGM(default) or FLD”. 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.

  • Page 8: Lithium Battery Connection

    Lithium Battery Connection If choosing lithium battery for Growatt SPF series products, you are allowed to use the lithium battery only which 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 2. 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 battery type. There will be some options under Program 36.
  • Page 10 Default 20%, 5%~50% Settable Note: Any questions about communicating with BMS, please consult with Growatt. 3. 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

    Suggested cable requirement for AC wires Model Gauge Torque Value SPF 3000TL LVM 8 AWG 1.4~ 1.6 Nm Please follow below steps to implement AC input/output connection: 1. Before making AC input/output connection, be sure to open DC protector or disconnector first.

  • Page 12: Pv Connection

    To reduce risk of injury, please use the proper recommended cable size as below. Model Typical Amperage Cable Size Torque SPF 3000TL LVM 6 AWG 1.4~1.6 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. Follow on-screen instruction to install the monitoring software. For the detailed software operation, please check user manual of software. The monitoring software is downloadable from our website www.ginverter.com.

  • 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

    LCD Display Icons Icon Function Description Input Source Information Indicates the AC input. Indicates the PV input Indicate input voltage, input frequency, PV voltage, battery voltage and charger current. Configuration Program and Fault Information Indicates the setting programs. Indicates the warning and fault codes. Warning: flashing with warning code.
  • Page 16 In battery mode, it will present battery capacity. Load Percentage Battery Voltage LCD Display < 1.717V/cell 1.717V/cell ~ 1.8V/cell Load >50% 1.8 ~ 1.883V/cell > 1.883 V/cell < 1.817V/cell 1.817V/cell ~ 1.9V/cell 50%> Load > 20% 1.9 ~ 1.983V/cell > 1.983 <...

  • Page 17: Lcd Setting

    LCD Setting After pressing and holding ENTER button for 3 seconds, it 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. Setting Programs: Program Description Setting Option...
  • Page 18 If disabled, no matter connected load is low or high, the on/off status of inverter output will not be effected. Power saving mode (default) enable/disable 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 24V model: default 30A, 0A~60A Settable apply charging current from 48V model: default 30A, 0A~40A Settable Program 02 for utility charger Setting voltage point back to utility source when selecting “SBU priority”...
  • Page 20 C.V. charging voltage. If self-defined is selected In program 5, this program can 24V model: default 28.2V, 24.0V~29.2V Settable be set up 48V model: default 56.4V, 48.0V~58.4V Settable Floating charging voltage. If self-defined is selected in program 5, this program can be 24V model: default 27.0V, 24.0V~29.2V Settable set up 48V model: default 54.0V, 48.0V~58.4V Settable...
  • Page 21 Address setting 24V model: default 1, 1~255 Settable 48V model: default 1, 1~255 Settable 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 24V model: default 29.2V, 24.0V~29.2V Settable 48V model: default 58.4V, 48.0V~58.4V Settable Default 60min, 5min~900min...

  • Page 22: Display Setting

    Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable input voltage, input frequency, PV voltage, MPPT charging current, information is switched as below order: MPPT charging power, battery voltage, output voltage, output frequency, load percentage, load in VA, load in Watt, DC discharging current, main CPU Version and second CPU Version.
  • Page 23 Battery voltage=51.0V, discharging current=0A Battery voltage/ DC discharging current Output frequency=50Hz Output frequency Load percent=70% Load percentage When connected load is lower than 1kVA, load in VA will present xxx VA like below chart. Load in VA When load is larger than 1kVA (≧1kVA), load in VA will present x.x kVA like below chart.
  • Page 24 Main CPU version 502-00-719 Main CPU version checking Secondary CPU version 002-00-719 Secondary CPU version checking Battery SOC=80% Battery SOC...

  • Page 25: Operating Mode Description

    Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Standby mode / Power saving mode Charging by utility. Note: *Standby mode: The inverter is No output is supplied by the not turned on yet but at this unit but it still can charge time, the inverter can charge batteries.
  • Page 26 Charging by PV energy The unit will provide output power from the mains. It will Line Mode also charge the battery at line mode. Charging by utility The unit will provide output power from the mains. It will Line Mode also charge the battery at line mode.

  • Page 27: 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 three-phase equipment. Four units support one phase maximum.
  • Page 28 Step 3: Remove Rs485 communication board by unscrewing two screws as below chart.(BMS model) Step 4: Remove two screws as below chart and remove 2-pin and 14-pin cables. Take out the board under the communication board. Step 5: Remove two screws as below chart to take out cover of parallel communication. Step 6: Install new parallel board with 2 screws tightly.

  • Page 29: Mounting The Unit

    Recommended AC input and output cable size for each inverter: Model AWG no. Torque SPF 3000TL LVM 8 AWG 1.4~1.6Nm You need to connect the cables of each inverter together. Take the battery cables for example: You need to use a connector or bus-bar as a joint to connect the battery cables together, and then connect to the battery terminal.

  • Page 30: Parallel Operation In Single Phase

    2 units 3 units 4 units 5 units 6 units SPF 3000TL LVM 100A/120VAC 150A/120VAC 200A/120VAC 250A/120VAC 300A/120VAC Note1: Also, you can use 50A breaker 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 31 Three inverters in parallel: Power Connection Communication Connection Four inverters in parallel: Power Connection Communication Connection...
  • Page 32 Five inverters in parallel: Power Connection Communication Connection Six inverters in parallel: Power Connection Communication Connection...

  • Page 33: Parallel Operation In Three Phase

    Parallel Operation in Three Phase 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 34 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 35 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 36: 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 37 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 38: Pv Connection

    PV Connection Please refer to user manual of single unit for PV Connection. CAUTION: Each inverter should connect to PV modules separate LCD Setting and Display Setting Program: Please refer to Program 23 Commissioning Parallel in single phase Step 1: Check the following requirements before commissioning: ...

  • Page 39: Parallel In Split Phase

    LCD display in L1-phase unit LCD display in L2-phase unit LCD display in L3-phase unit Step 5: If there is no more fault alarm, the system to support 3-phase equipment is completely installed. Step 6: Please switch on all breakers of Line wires in load side. This system will start to provide power to the load. Note 1: If there’s only one inverter in L1-phase, the LCD will show as “HS”.

  • Page 40: 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 is detected by internal converter components Output voltage is too high. Overload time out Bus voltage is too high Bus soft start failed Over current or surge...

  • Page 41: Warning Indicator

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

  • Page 42: 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 43: Specifications

    Specifications Table 1 General Specifications INVERTER MODEL SPF 3000TL LVM Safety Certification Operating Temperature Range 0° C ~ 55° C Storage temperature -15° C ~ 60° C Humidity 5% to 95% Relative Humidity (Non-condensing) Dimension, mm 455 x 350 x 130 Net Weight, kg 11.5...
  • Page 44 Table 3 Inverter Mode Specifications INVERTER MODEL SPF 3000TL LVM-24P SPF 3000TL LVM-48P Rated Output Power 3KVA/3KW Output Voltage Waveform Pure Sine Wave 120Vac ±5% Output Voltage Regulation Output Frequency 50Hz/60Hz(default) Peak Efficiency Overload Protection 5s@≥150% load; 10s@110%~150% load Surge Capacity...
  • Page 45 Table 4 Charge Mode Specifications Utility Charging Mode INVERTER MODEL SPF 3000TL LVM-24P SPF 3000TL LVM-48P Charging Current (UPS) Default: 30A, max 60A Default: 30A, max 40A @ Nominal Input Voltage Flooded Bulk 29.2Vdc 58.4Vdc Battery Charging AGM / Gel Voltage 28.2Vdc...

  • Page 46: Trouble Shooting

    Trouble Shooting Problem LCD/LED/Buzzer Explanation What to do Unit shuts down LCD/LEDs and buzzer will The battery voltage is too low . 1.Re-charge battery. Automatically during be active for 3 seconds (<1.91V/Cell) 2.Replace battery. startup process. and then complete off. 1.The battery voltage is far too 1.
  • Page 47 Fault code 51 Over current or surge. Restart the unit, if the error happens again, please Fault code 52 Bus voltage is too low. return to repair center. Fault code 55 Output voltage is unbalanced Battery is not connected well If the battery is connected well, please return to Fault code 56 or fuse is burnt.

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