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Flin Energy FlinSlim MPPT User Manual

Solar inverter
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FlinSlim MPPT Stack 5kVA-48V Solar Inverter
FlinSlim MPPT Stack 5kVA-48V
Solar Inverter
User Manual
Flin Energy

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  • Page 1 FlinSlim MPPT Stack 5kVA-48V Solar Inverter FlinSlim MPPT Stack 5kVA-48V Solar Inverter User Manual Flin Energy...

  • Page 2: Table Of Contents

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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 INSTALLATION ..............................4 Unpacking and Inspection ..........................

  • Page 3: About This Manual

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.

  • Page 4: Introduction

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter INTRODUCTION This is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user- configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.

  • Page 5: Product Overview

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Product Overview Front Back 1. LCD display 2. Status indicator 3. Charging indicator 4. Fault indicator 5. Function buttons 6. Power on/off switch 7. AC input 8. AC output 9. PV input 10. Battery input 11.

  • Page 6: Installation

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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:  The unit x 1 ...

  • Page 7: Battery Connection

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter CAUTION!! Before making the final DC connection or closing DC breaker/disconnector, be sure positive (+) must be connected to positive (+) and negative (-) must be connected to negative (-). AC Input/Output Connection CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between inverter and AC input power source.

  • Page 9: Pv Connection

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter L→LINE (brown or black) N→Neutral (blue) 4. Make sure the wires are securely connected. CAUTION: Important Be sure to connect AC wires with correct polarity. If L and N wires are connected reversely, it may cause utility short-circuited when these inverters are worked in parallel operation.

  • Page 10: Communication Connection

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter PV Module Selection: When selecting proper PV modules, please be sure to consider below parameters: 1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter. 2. Open circuit Voltage (Voc) of PV modules should be higher than min. battery voltage.

  • Page 11: Dry Contact Signal

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Dry Contact Signal There is one dry contact (3A/250VAC) available on the rear panel. It could be used to deliver signal to external device when battery voltage reaches warning level. Unit Status Condition Dry contact port: NC &...

  • Page 12: Operation

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.

  • Page 13: Lcd Display Icons

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.
  • Page 14 FlinSlim MPPT Stack 5kVA-48V Solar Inverter bar will flash. Floating mode. Batteries are fully charged. 4 bars will be on. 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...

  • Page 15: Lcd Setting

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Mute Operation Indicates unit alarm is disabled. 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. And then, press “ENTER” button to confirm the selection or ESC button to exit.
  • Page 16 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 60A (default) The setting range is from Maximum charging current: 10A to 120A for 3K-24 To configure total charging model and from 10A to current for solar and utility 140A for 3K-48 and 5K chargers.
  • Page 17 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Restart disable (default) Restart enable Auto restart when overload occurs Restart disable (default) Restart enable Auto restart when over temperature occurs 50Hz (default) 60Hz Output frequency Automatically (default) If selected and utility is available, inverter will work in line mode.
  • Page 18 FlinSlim MPPT Stack 5kVA-48V Solar Inverter If “WECO battery” is selected in program 05 Default setting: 10% The parameter will be fixed at 10% SOC of battery. Available options for 24V models. Battery fully charged The setting range is from 24.0V to 32.0V and...
  • Page 19 FlinSlim MPPT Stack 5kVA-48V Solar Inverter SLb: Solar energy for load Solar energy provides power to first the load first and also allow the UCb: Allow utility to charge utility to charge battery. battery Solar energy priority: To configure solar energy...
  • Page 20 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Record enable Record disable (default) Record Fault code 24V model default setting: 28.2V Default setting: 56.4V Bulk charging voltage (C.V voltage) If self-defined is selected in program 5, this program can be set up. Setting range is 24.0V to 32V for 24V model and 48.0V to 64.0V for 48V model.
  • Page 21 FlinSlim MPPT Stack 5kVA-48V Solar Inverter L3 phase: Be sure to connect share current cable to units which are on the same phase. Do NOT connect share current cable between units on different phases. 24V model default setting: 21.0V 48V model default setting: 42.0V...
  • Page 22 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 60min (default) Setting range is from 5min to 900min. Increment of each Battery equalized time click is 5min. 120min (default) Setting range is from 5min to 900 min. Increment of each Battery equalized timeout click is 5 min.

  • Page 23: Display Setting

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter For hour setting, the range is Time setting – Hour from 00 to 23. For day setting, the range is Time setting– Day from 00 to 31. For month setting, the range Time setting– Month is from 01 to 12.
  • Page 24 FlinSlim MPPT Stack 5kVA-48V Solar Inverter PV power =500W PV power charging current=50A Charging current PV power = 500W PV power Battery voltage=50V, output voltage=230V Battery voltage and output voltage Output frequency=50Hz Output frequency Load percent=70% Load percentage Flin Energy...
  • Page 25 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.

  • Page 26: Operating Mode Description

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Secondary CPU version 00003.03 Secondary CPU version checking SCC version 00003.03. SCC version checking Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Charging by utility. Standby mode Note:...
  • Page 27 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Charging by utility No charging Charging by utility and PV energy. Charging by PV The unit will provide output power from the utility. PV ECO Mode Charging by utility energy and utility can charge batteries.

  • Page 28: Fault Reference Code

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter The unit will provide output power from the mains. It Line Mode Charging by utility. will also charge the battery at line mode. Power from battery and PV energy. The unit will provide output...

  • Page 29: Warning Indicator

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Warning Indicator Warning Warning Event Audible Alarm Icon flashing Code Fan is locked when Beep three times every inverter is on. second Over temperature None Battery is over-charged Beep once every second Low battery...
  • Page 30 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Equalize charging time and timeout ⚫ In Equalize stage, the controller will supply power to charge battery as much as possible until battery voltage raises to battery equalization voltage. Then, constant-voltage regulation is applied to maintain battery voltage at the battery equalization voltage.

  • Page 31: Specifications

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter SPECIFICATIONS Table 1 Line Mode Specifications INVERTER MODEL 3KW-24V 3KW-48V Input Voltage Waveform Sinusoidal Nominal Input Voltage 230Vac Low Loss Voltage 110Vac±7V Low Loss Return Voltage 120Vac±7V High Loss Voltage 280Vac±7V High Loss Return Voltage 270Vac±7V...
  • Page 32 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Table 2 Battery Mode Specifications INVERTER MODEL 3KW-24V 3KW-48V 3KVA/3KW 3KVA/3KW 5KVA/5KW Rated Output Power Pure Sine Wave Output Voltage Waveform 230Vac±5% Output Voltage Regulation 50Hz or 60Hz Output Frequency Peak Efficiency Overload Protection 5s@≥150% load;...
  • Page 33 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Battery Voltage, per cell Charging Current, % 2.43Vdc (2.35Vdc) Voltage 2.25Vdc 100% Charging Curve T1 = 10* T0, minimum 10mins, maximum 8hrs Current Time Bulk Absorption Maintenance (Constant Current) (Constant Voltage) (Floating) Solar Charging Mode (MPPT type)
  • Page 34 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Table 4 ECO/Bypass Mode Specifications Bypass Mode INVERTER MODEL 3KW-24V 3KW-48V Input Voltage Waveform Sinusoidal Low Loss Voltage 176Vac±7V Low Loss Return Voltage 186Vac±7V High Loss Voltage 280Vac±7V High Loss Return Voltage 270Vac±7V Nominal Input Frequency...

  • Page 35: Trouble Shooting

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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)

  • Page 36: Parallel Function

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter PARALLEL FUNCTION 1. Introduction This inverter can be used in parallel for two applications. 1. Parallel operation in single phase with up to 9 units. The supported maximum output power is 27KW/27KVA for 3KW model and 45KW/45KVA for 5KW model.
  • Page 37 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Step 3: Re-connect 2-pin and 14-pin to original position on parallel board as shown below chart. Step 4: Put parallel cover back to the unit. Now the inverter is providing parallel operation function. 4. Wiring Connection...
  • Page 38 FlinSlim MPPT Stack 5kVA-48V Solar Inverter indicates the number of inverters connected in parallel. Regarding AC input and output, please also follow the same principle. CAUTION!! Please install the breaker at the battery and AC input side. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of battery or AC input.
  • Page 39 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 4-1. Parallel Operation in Single phase Two inverters in parallel: Power Connection Load Communication Connection Three inverters in parallel: Power Connection Load Communication Connection Flin Energy...
  • Page 40 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Four inverters in parallel: Power Connection Load Communication Connection Five inverters in parallel: Power Connection Load Communication Connection Six inverters in parallel: Power Connection Load Flin Energy...
  • Page 41 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Communication Connection Seven inverters in parallel: Power Connection Load Communication Connection ① ② ③ ④ ⑤ ⑥ ⑦ Eight inverters in parallel: Power Connection Load Communication Connection ① ② ③ ④ ⑤ ⑥ ⑦...
  • Page 42 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Communication Connection ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ 4-2. Support 3-phase equipment Three inverters in each phase: Power Connection Load Communication Connection ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨...
  • Page 43 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Seven inverters in one phase and one inverter for the other two phases: Power Connection Load Note: It’s up to customer’s demand to pick 7 inverters on any phase. P1: L1-phase, P2: L2-phase, P3: L3-phase.
  • Page 44 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Communication Connection Three inverters in one phase, two inverters in second phase and one inverter for the third phase: Power Connection Load Communication Connection Three inverters in one phase and only one inverter for the remaining two phases:...
  • Page 45 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Two inverters in two phases and only one inverter for the remaining phase: Power Connection Load Communication Connection Two inverters in one phase and only one inverter for the remaining phases: Power Connection Load...
  • Page 46 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Communication Connection One inverter in each phase: Power Connection Load 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 47 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 5. 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 for single phase application, please select “PAL” in Parallel: program 28.
  • Page 48 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Battery voltage detected different AC input voltage and frequency detected different AC output current unbalance AC output mode setting is different 6. Commissioning Parallel in single phase Step 1: Check the following requirements before commissioning: Correct wire connection ⚫...
  • Page 49 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Step 4: Switch on all AC breakers of Line wires in AC input. If AC connection is detected and three phases are matched with unit setting, they will work normally. Otherwise, the AC icon will flash and they will not work in line mode.

  • Page 50: Appendix A: Approximate Back-Up Time Table

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.

  • Page 51: Appendix B: Bms Communication Installation

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Appendix B: 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 52 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.
  • Page 53 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Step 4. Turn on the inverter. Step 5. Be sure to select battery type as “PYL” in LCD program 5. WECO Step 1. Use custom-made RJ45 cable to connect inverter and Lithium battery. Note for parallel system: 1.
  • Page 54 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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 55 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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...

  • Page 56: Appendix C: The Wi-Fi Operation Guide In Remote Panel

    FlinSlim MPPT Stack 5kVA-48V Solar Inverter Appendix C: 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.
  • Page 57 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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 58 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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. Diagnose Function If the module is not monitoring properly, please tap “...
  • Page 59 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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 60 FlinSlim MPPT Stack 5kVA-48V Solar Inverter icon on the top right corner and enter part number by scanning bar code to add Wi-Fi module. This part number is pasted on the front panel and manually enter it. Tap “Confirm” to add Wi-Fi module in the Device list.
  • Page 61 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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. Please refer to the parameter setting list.
  • Page 62 FlinSlim MPPT Stack 5kVA-48V Solar Inverter 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.
  • Page 63 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Parameter Setting This page is to activate some features and set up parameters for inverters. Please be noted that the listing in “Parameter Setting” page in below diagram may differ from the models of monitored inverter. Here will briefly highlight some of it,【Output Setting】,【Battery Parameter Setting】,【Enable/ Disable items】,...
  • Page 64 FlinSlim MPPT Stack 5kVA-48V Solar Inverter Max. charging current It’s to set up battery charging parameters. The selectable values in Max. AC different inverter model may vary. charging current: Please see product manual for the details. Float charging voltage It’s to set up battery charging parameters. The selectable values in Bulk charging different inverter model may vary.

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