FSP Technology LightUp L11K User Manual
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FSP Technology LightUp L11K User Manual

Off-grid solar inverter
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LightUp L11K
Off-grid Solar Inverter
User Manual
Version: 1.1

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  • Page 1 LightUp L11K Off-grid Solar Inverter User Manual Version: 1.1...

  • Page 2: Table Of Contents

    Table of Contents ABOUT THIS MANUAL ..........................1 Purpose ..............................1 Scope ................................ 1 SAFETY INSTRUCTIONS ..........................1 INTRODUCTION ............................2 Features..............................2 Basic System Architecture .......................... 2 Product Overview ............................3 Unpacking and Inspection .......................... 4 Preparation ..............................4 Mounting the Unit ............................

  • 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 is a multi-function inverter, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support in a single package. The comprehensive LCD display offers user-configurable and easy-accessible button operations such as battery charging current, AC or solar charging priority, and acceptable input voltage based on different applications.

  • Page 5: Product Overview

    Product Overview Appendix I. NOTE: For parallel installation and operation, please check 1. LCD display 12. Current sharing port 2. Status indicator 13. Parallel communication port 3. Charging indicator 14. Dry contact 4. Fault indicator 15. USB port as USB communication port and USB function 5.

  • Page 6: Unpacking And Inspection

    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 Manual software CD RS-232 cable Parallel communication cable Current sharing cable DC Fuse Cable gland x 5 pcs PV connectors x 2 sets...

  • Page 7: Battery Connection

    Install the unit by screwing four 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

    5. This inverter is equipped with dual-output. There are four terminals (L1/N1, L2/N2) available on output port. It is to set up through LCD program or monitoring software to turn on and off the second output. Refer to “LCD setting” section for the details. Before making wiring of second output, please remove knockout and install the cable gland first.
  • Page 10 Components for PV connectors and Tools: Female connector housing Female terminal Male connector housing Male terminal Crimping tool and spanner Prepare the cable and follow the 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.
  • Page 11 Recommended Panel Configuration When selecting proper PV modules, please be sure to consider the following parameters: 1. Open circuit Voltage (Voc) of PV modules not to exceed maximum PV array open circuit voltage of the inverter. 2. Open circuit Voltage (Voc) of PV modules should be higher than the start-up voltage. 11KW INVERTER MODEL 11000W...

  • Page 12: Final Assembly

    Final Assembly After connecting all wirings, re-connect three cables and then put bottom cover back by screwing five screws as shown below. Remote Display Panel Installation The LCD module can be removable and installed in a remote location with an optional communication cable. Please take the follow steps to implement this remote panel installation.

  • Page 13: Communication Connection

    Step 2. Prepare your mounting holes in the marked locations as shown in the illustration below. The LCD module then can be securely mounted to your desired location. Note: Wall installation should be implemented with the proper screws to the right. Step 3.

  • Page 14: Dry Contact Signal

    Wi-Fi Connection This unit is equipped with a Wi-Fi transmitter. Wi-Fi transmitter can enable wireless communication between off-grid inverters and monitoring platform. Users can access and control the monitored inverter with downloaded APP. You may find “WatchPower” app from the Apple ®...

  • Page 15: 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 display panel) to turn on the unit. Inverter Turn-on After this inverter is turned on, WELCOME light show will be started with RGB LED BAR. It will slowly cycle through entire spectrum of nine colors (Green, Sky blue, Royal blue, Violet, Pink, Red, Honey, Yellow, Lime yellow) about 10-15 seconds.

  • Page 16: Lcd Display Icons

    Function Keys Function Key Description Exit the setting USB function setting Select USB OTG functions Timer setting for the Output source Setup the timer for prioritizing the output source priority Timer setting for the Charger source Setup the timer for prioritizing the charger source priority Press these two keys at the time to switch RGB LED bar for output source priority and battery discharge/charge...
  • Page 17 Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% in battery mode and charging status in line mode. When battery is charging, it 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 2 ~ 2.083V/cell...

  • Page 18: Lcd Setting

    LCD Setting General Setting ” button for 3 seconds, the unit will enter the Setup Mode. Press “ After pressing and holding “ ” or “ ” button to select setting programs. Press “ ” button to confirm you selection or “ ”...
  • Page 19 Appliances (default) If selected, acceptable AC input voltage range will be within 90- 280VAC. AC input voltage range If selected, acceptable AC input voltage range will be within 170- 280VAC. 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 26, 27 and 29.
  • Page 20 party Lithium battery Select “LIC” if using Lithium battery not listed above. If selected, programs of 02, 26, 27 and 29 will be automatically set up. No need for further setting. Please contact the battery supplier for installation procedure. Restart disable (default) Restart enable Auto restart when overload occurs...
  • Page 21 46V (default) Setting range is from 44V to 56V. Increment of each click is 1V. Setting voltage point or SOC percentage back to SOC 10% (default for If the battery type (#05) set as utility source when Lithium) Lithium, this setting will change selecting “SBU”...
  • Page 22 If this inverter/charger is working in Battery mode, only solar energy can charge battery. Solar energy will charge battery if it's available and sufficient. Alarm on (default) Alarm off Alarm control Return to default display If selected, no matter how users screen (default) switch display screen, it will automatically return to default...
  • Page 23 Record enable (default) Record disable Record Fault code default: 56.4V If self-defined is selected in program 5, this program can be set up. Setting range is from Bulk charging voltage 48.0V to 62.0V. Increment of (C.V voltage) each click is 0.1V. default: 54.0V If self-defined is selected in program 5, this program can be...
  • Page 24 default: 44.0V If self-defined is selected in program 5, this program can be Low DC cut-off voltage or set up. Setting range is from Low SOC: 42.0V to 48.0V. Increment of l If battery power is only each click is 0.1V. Low DC cut-off power source available, voltage will be fixed to setting inverter will shut down.
  • Page 25 Enable Disable (default) Equalization activated immediately If equalization function is enabled in program 30, this program can be set up. If “Enable” is selected in this program, it’s to activate battery equalization immediately and LCD main page will show “ ”.
  • Page 26 High Normal (default) Lighting speed of RGB LED High Scrolling Breathing RGB LED effects Solid on (Default) C01: (Default) C02: Color combination of RGB Violet-White-Sky blue White-Yellow-Green LED to show energy source Pink-Honey Royal blue-Lime yellow and battery charge/discharge status: l Grid-PV-Battery l Battery charge/discharge status...
  • Page 27 If “User-defined” is selected in default setting: 42.0V program 05, this setting range is from 42.0V to 60.0V. Increment of each click is 0.1V. Setting cut-off voltage point or SOC percentage on the SOC 0% (default for If any type of lithium battery is second output (L2) Lithium) selected in program 05, this...
  • Page 28 SOC: 20% (default for If any type of lithium battery is lithium battery) selected in program 05, this parameter value will be displayed in percentage and value setting is based on battery capacity Setting voltage point or percentage. Setting range is from SOC to restart on the 5% to 100%.
  • Page 29 For minute setting, the range is from 0 to 59. Time setting – Minute For hour setting, the range is from 0 to 23. Time setting – Hour For day setting, the range is from 1 to 31. Time setting– Day For month setting, the range is from 1 to 12.
  • Page 30 Step 3: Please select setting program by following the procedure. Program# Operation Procedure LCD Screen This function is to upgrade inverter firmware. If firmware upgrade is needed, please check with Upgrade your dealer or installer for detail instructions. firmware This function is to over-write all parameter settings (TEXT file) with settings in the On-The-Go USB disk from a previous setup or to duplicate inverter settings.
  • Page 31 Press “ ” button to set up Utility First Timer. Press “ ” button to select staring time. Press “ ” or “ ” button to adjust values and press “ ” to confirm. Press “ ” button to select end time. Press “ ”...
  • Page 32 Press “ ” button to set up Solar Only Timer. Press “ ” button to select staring time. Press “ ” or “ ” button to adjust values and press “ ” to confirm. Press “ ” button to select end time. Press “ ”...

  • Page 33: Lcd Display

    LCD Display The LCD display information will be switched in turn by pressing the “UP” or “DOWN” button. The selectable information is switched as the following table in order. Selectable information LCD display Input Voltage=230V, output voltage=230V Input voltage/Output voltage (Default Display Screen) Input frequency=50Hz Input frequency...
  • Page 34 PV2 current = 2.5A PV1 power = 500W PV power PV2 power = 500W AC and PV charging current=50A PV charging current=50A Charging current AC charging current=50A...
  • Page 35 AC and PV charging power=500W PV charging power=500W Charging power AC charging power=500W Battery voltage=25.5V, output voltage=230V Battery voltage and output voltage Output frequency=50Hz Output frequency Load percent=70% Load percentage...
  • Page 36 When connected load is lower than 1kVA, load in VA will present xxxVA like below chart. Load in VA When load is larger than 1kVA (≧1KVA), load in VA will present x.xkVA like below chart. When load is lower than 1kW, load in W will present xxxW like below chart.
  • Page 37 Battery voltage=25.5V, discharging current=1A Battery voltage/DC discharging current This PV Today energy = 3.88kWh, Load Today energy= 9.88kWh. PV energy generated today and Load output energy today This PV month energy = 388kWh, Load month energy= 988kWh. PV energy generated this month and Load output energy this month.
  • Page 38 Real time 13:20. Real time. Main CPU version 00014.04. Main CPU version checking. Secondary CPU version 00012.03. Secondary CPU version checking. Secondary Wi-Fi version 00000.24. Secondary Wi-Fi version checking.

  • Page 39: Operating Mode Description

    Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Charging by utility. Standby mode Note: No output is supplied by the *Standby mode: The inverter unit but it still can charge is not turned on yet but at batteries.
  • Page 40 Operation mode Description LCD display If “SUB” (solar first) is selected as output source priority and solar energy is not sufficient to provide the load, solar energy and the utility will provide the loads and charge the battery at the same time. The unit will provide output If either “SUB”...

  • Page 41: Faults Reference Code

    Operation mode Description LCD display Power from PV energy only. The unit will provide output Battery Mode power from battery and/or PV power. Faults Reference Code Fault Code Fault Event Icon on Fan is locked when inverter is off. Over temperature Battery voltage is too high Battery voltage is too low Output short circuited.

  • Page 42: Warning Indicator

    Warning Indicator Warning Warning Event Audible Alarm Icon flashing Code Beep three times every Fan is locked when inverter is on. second Over temperature None Battery is over-charged Beep once every second Low battery Beep once every second Beep once every 0.5 Overload second Output power derating...

  • Page 43: 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. Equalization also 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 44: Specifications

    SPECIFICATIONS Table 1 Line Mode Specifications MODEL 11KW Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac 170Vac±7V (UPS) Low Loss Voltage 90Vac±7V (Appliances) 180Vac±7V (UPS); Low Loss Return Voltage 100Vac±7V (Appliances) High Loss Voltage 280Vac±7V High Loss Return Voltage 270Vac±7V Max AC Input Voltage 300Vac...
  • Page 45 Table 2 Inverter Mode Specifications MODEL 11KW Rated Output Power 11000W Output Voltage Waveform Pure Sine Wave Output Voltage Regulation 230Vac±5% Output Frequency 60Hz or 50Hz Peak Efficiency Overload Protection 100ms@≥180% load;5s@≥120% load; 10s@105%~120% load Surge Capacity 2* rated power for 5 seconds Low DC Warning Voltage @ load <...
  • Page 46 Table 3 Charge Mode Specifications Utility Charging Mode MODEL 11KW Charging Current (UPS) 150A @ Nominal Input Voltage Flooded 58.4Vdc Bulk Charging Battery Voltage AGM / Gel 56.4Vdc Battery Floating Charging Voltage 54Vdc Overcharge Protection 63Vdc Charging Algorithm 3-Step Battery Voltage, per cell Charging Current, % 2.43Vdc (2.35Vdc) Voltage...
  • Page 47 Table 4 General Specifications MODEL 11KW Safety Certification Operating Temperature Range -10°C to 50°C Storage temperature -15°C~ 60°C Humidity 5% to 95% Relative Humidity (Non-condensing) Dimension 147.4x 432.5 x 553.6 (D*W*H), mm Net Weight, kg 18.4 Table 5 Parallel Specifications Max parallel numbers Circulation Current under No Load Condition Max 2A...

  • Page 48: 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 49: Appendix I: Parallel Function

    Appendix I: Parallel function 1. Introduction This inverter can be used in parallel with two different operation modes. 1. Parallel operation in single phase is with up to 6 units. The supported maximum output power is 66KW/66KVA. 2. Maximum six units work together to support three-phase equipment. Maximum four units support one phase.
  • Page 50 Recommended breaker specification of battery for each inverter: Model 1 unit* 11KW 250A/70VDC *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 1 unit. “X” indicates the number of inverters connected in parallel. Recommended breaker specification of AC input with single phase: 2 units 3 units...
  • Page 51 Three inverters in parallel: Power Connection Communication Connection Four inverters in parallel: Power Connection Communication Connection...
  • Page 52 Five inverters in parallel: Power Connection Communication Connection Six inverters in parallel: Power Connection Communication Connection...
  • Page 53 4-2. Support 3-phase equipment Two inverters in each phase: Power Connection Load 1 Load 1 Communication Connection Four inverters in one phase and one inverter for the other two phases: Power Connection Load 1 Load 1 Communication Connection...
  • Page 55 Three inverters in one phase, two inverters in second phase and one inverter for the third phase: Power Connection Load 1 Load 1 Communication Connection Three inverters in one phase and only one inverter for the remaining two phases: Power Connection Load 1 Load 1 Communication Connection...
  • Page 56 Two inverters in two phases and only one inverter for the remaining phase: Power Connection Load 1 Load 1 Communication Connection Two inverters in one phase and only one inverter for the remaining phases: Power Connection Load 1 Load 1 Communication Connection...
  • Page 57 One inverter in each phase: Power Connection Load 1 Load 1 Communication Connection WARNING: Do not connect the current sharing cable between the inverters which are in different phases. Otherwise, it may damage the inverters. 5. PV Connection Please refer to user manual of single unit for PV Connection. CAUTION: Each inverter should connect to PV modules separately.
  • Page 58 6. LCD Setting and Display Setting Program: Program Description Selectable option Single When the unit is operated alone, please select “SIG” in program 28. When the units are used in parallel Parallel for single phase application, please select “PAL” in program 28. Please refer to 5-1 for detailed information.
  • Page 59 Fault code display: Fault Code Fault Event Icon on Power feedback protection Firmware version inconsistent Current sharing fault CAN fault Host loss Synchronization loss Battery voltage detected different AC input voltage and frequency detected different AC output current unbalance AC output mode setting is different Code Reference: Code Description...
  • Page 60 Step 4: Switch on all AC breakers of Line wires in AC input. It’s better to have all inverters connect to utility at the same time. If not, it will display fault 82 in following-order inverters. However, these inverters will automatically restart.
  • Page 61 8. Trouble shooting Situation Solution Fault Fault Event Code Description Restart the inverter. Check if L/N cables are not connected reversely in all inverters. For parallel system in single phase, make sure the sharing are Current feedback into connected in all inverters. the inverter is For supporting three-phase system, make sure the sharing cables are detected.

  • Page 62: 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 63 PYLONTECH ①Dip Switch: There are 4 Dip Switches that sets different baud rate and battery group address. If switch position is turned to the “OFF” position, it means “0”. If switch position is turned to the “ON” position, it means “1”.
  • Page 64 Step 2: Use supplied RJ45 cable (from battery module package) to connect inverter and Lithium battery. * For multiple battery connection, please check battery manual for the details. 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 65 Step 6. Be sure to select battery type as “LIB” in LCD program 5. If communication between the inverter and battery is successful, the battery icon on LCD display will flash. Generally speaking, it will take longer than 1 minute to establish communication. PYLONTECH After configuration, please install LCD panel with inverter and Lithium battery with the following steps.
  • Page 66 Step 3. Press more than three seconds to start Lithium battery, power output ready. Step 4. Turn on the inverter. Step 5. Be sure to select battery type as “PYL” in LCD program 5. If communication between the inverter and battery is successful, the battery icon on LCD display will flash.
  • Page 67 6. Code Reference Related information code will be displayed on LCD screen. Please check inverter LCD screen for the operation. Code Description Action If battery status is not allowed to charge and discharge after the communication between the inverter and battery is successful, it will show code 60 to stop charging and discharging battery.

  • Page 68: Appendix Iii: The Wi-Fi Operation Guide In Remote Panel

    Appendix III: 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 WatchPower APP, available for both iOS and Android based device. All data loggers and parameters are saved in iCloud.
  • Page 69 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 70 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. Then, repeat the steps in the chapter 4.2 to re-set network setting.
  • Page 71 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 72 icon on the top right corner and manually enter part number to add device. This part number label is pasted on the bottom of remote LCD panel. After entering part number, tap “Confirm” to add this device in the Device list. Part number label is pasted on the bottom of remote LCD panel.
  • Page 73 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 74 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 75 detailed setting instructions. Parameter setting list: Item Description Output setting Output source To configure load power source priority. priority AC input range When selecting "UPS", it's allowed to connect personal computer. Please check product manual for details. When selecting "Appliance", it's allowed to connect home appliances. Output voltage To set output voltage.
  • Page 76 Equalization Equalized Time To set up the duration time for battery equalization. Equalized Time To set up the extended time to continue battery equalization. Equalization To set up the frequency for battery equalization. Period Equalization To set up the battery equalization voltage. Voltage Enable/Disable LCD Auto-return...

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