MPP Solar U5648MS User Manual
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MPP Solar U5648MS User Manual

Solar inverter / charger
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User Manual
U5648MS
SOLAR INVERTER / CHARGER
Version: 1.0

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Summary of Contents for MPP Solar U5648MS

  • Page 1 User Manual U5648MS SOLAR INVERTER / CHARGER Version: 1.0...

  • 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 RGB LED ring (refer to LCD Setting section for the details) LCD display Touchable Function keys PV connectors AC input connectors AC output connectors (Load connection) Battery connectors Current sharing port Parallel communication port 10.

  • 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 Preparation Before connecting all wirings, please take off bottom cover by removing two 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

    Torque Amperage Capacity Value Cable Dimensions D (mm) L (mm) U5648MS 137A 200AH 1*2AWG or 2*6AWG 42.7 2~3 Nm Please follow below steps to implement battery connection: 1. Assemble battery ring terminal based on recommended battery cable and terminal size.

  • Page 8: Ac Input/Output Connection

    Suggested cable requirement for AC wires Model Gauge Torque Value U5648MS 10 AWG 1.2~ 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 9: Pv Connection

    To reduce risk of injury, please use the proper recommended cable size as below. Model Typical Amperage Cable Size Torque U5648MS 10AWG 1.2~1.6Nm 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.
  • Page 10 Please follow below steps to implement PV module connection: 1. Remove insulation sleeve 10 mm for positive and negative conductors. 2. Check correct polarity of connection cable from PV modules and PV input connectors. Then, connect positive pole (+) of connection cable to positive pole (+) of PV input connector.

  • Page 11: Final Assembly

    Final Assembly After connecting all wirings, please put bottom cover back by screwing two screws as shown below. Communication Connection Serial Connection Please use the supplied serial cable to connect between the inverter and your PC. Install the monitoring software from the bundled CD and follow the on-screen instructions to complete your installation.

  • Page 12: Dry Contact Signal

    BMS Communication It is recommended to purchase a special communication cable if you are connecting to Lithium-Ion battery banks. Please refer to Appendix II - BMS Communication Installation for details. RS-232 communication to PC BMS communication USB communication to PC Dry Contact Signal There is one dry contact (3A/250VAC) available on the rear panel.

  • Page 13: Operation

    OPERATION Power ON/OFF Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch to turn on the unit. Operation and Display Panel The operation and the LCD module, shown in the chart below, includes one RGB LED ring, four touchable function keys and a LCD display to indicate the operating status and input/output power information.

  • Page 14: Lcd Display Icons

    LCD Display Icons Icon Function description Input Source Information Indicates the AC input voltage and frequency. Indicates the PV voltage, current and power. Indicates the battery voltage, charging stage, configured battery parameters, charging or discharging current. Configuration Program and Fault Information Indicates the setting programs.
  • Page 15 Output Information Indicate the output voltage, load in VA, load in Watt and output frequency. Battery Information Indicates battery level in battery mode and charging status in line mode by 0-24%, 25-49%, 50-74% and 75-100%. When battery is charging, it will present battery charging status. Status Battery voltage LCD Display...
  • Page 16 Indicates setting program 16 “Charger source priority” is selected as “Solar only”. Output source priority setting display Indicates setting program 01 “Output source priority” is selected as “Utility first”. Indicates setting program 01 “Output source priority” is selected as “Solar first”. Indicates setting program 01 “Output source priority”...

  • Page 17: Lcd Setting

    LCD Setting General Setting ” After pressing and holding “ button for 3 seconds, the unit will enter the setting mode. Press “ ” or “ ” button to select setting programs. Press “ ” button to confirm you selection or “ ”...
  • Page 18 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. Saving mode disable If disabled, no matter (default) connected load is low or high, the on/off status of inverter output will not be effected.
  • Page 19 Pylontech battery If selected, programs of 02, 26, 27 and 29 will be automatically set up. No need for further setting. WECO battery If selected, programs of 02, 12, 26, 27 and 29 will be auto- configured per battery supplier recommended.
  • Page 20 220V 230V(default) Output voltage 240V 50Hz (default) 60Hz Output frequency Maximum utility charging Setting range is from 2A, then 30A (default) current 10A to 120A. Increment of each click is 10A. Note: If setting value in program 02 is smaller than that in program in 11, the inverter will apply charging current from...
  • Page 21 Setting range is FUL and from 48V to 64V. Increment of each click is 1V. Battery fully charged 54V (default) Setting voltage point back to battery mode when selecting “SBU” (SBU priority) in program 10% (default) If “WECO battery” is selected in program 5, this parameter value will be displayed in percentage and value setting is...
  • Page 22 Return to default display screen If selected, no matter how (default) users switch display screen, it will automatically return to default display screen (Input voltage /output voltage) after no button is pressed for 1 minute. Auto return to default display screen Stay at latest screen If selected, the display screen will stay at latest screen user...
  • Page 23 56.4V (default) If “User-Defined” is selected in program 5, this program can be set up. Setting range is Bulk charging voltage from 48.0V to 64.0V. (C.V voltage) Increment of each click is 0.1V. 54V (default) If User-Defined” is selected in program 5, this program can be set up.
  • Page 24 If “User-Defined” is selected in program 05, this program can be set Automatically (Default): If selected, inverter will judge this charging time automatically. 5 min The setting range is from 5 min to 900 min. Increment of each click is 5 min. Bulk charging time (C.V stage) 900 min...
  • Page 25 120min (Default) Setting range is from 5min to 900 min. Increment of each click is 5 min. Battery equalized timeout 30days (Default) Setting range is from 0 to 90 days. Equalization interval Increment of each click is 1 day Enable Disable (Default) Equalization activated immediately...
  • Page 26 10 minutes (default) 20 minutes 30 minutes 60 minutes For minute setting, the range is from 0 to 59. Time setting – Minute For hour setting, the range is from 0 to Time setting – Hour For day setting, the range is from 1 to Time setting–...
  • Page 27 Enabled (default) Disable On/Off control for RGB *It’s necessary to enable this setting to activate RGB LED lighting function. Normal (default) Brightness of RGB LED High Normal (default) Lighting speed of RGB High Power wheel Power cycling RGB LED effects Power chasing Solid on (Default)
  • Page 28 LED lighting portion will be changed by the percentage of solar input power and Solar input power in watt nominal PV power. If “Solid on” is selected in #38, LED ring will light up with background color setting in #40. If “Power wheel”...
  • Page 29 Pink Orange Yellow Green Background color of RGB Blue Sky blue (Default) Other: If selected, the background color Purple is set by RGB via software. Pink Orange Data Color for RGB LED Yellow Green...
  • Page 30 Blue Sky blue Data Color for RGB LED Other: If selected, the background color Purple (Default) is set by RGB via software. Pink Orange Yellow Green Background color of RGB *Only available when Blue Sky blue (Default) program 95 is set as “EGS”...
  • Page 31 Once access this program, it will show “OPP” in LCD. Press “ ” button to select timer setting for output source priority. There are three timers to set up. Press “ ” or “ ” button to select specific timer option. Then, press “ ”...
  • Page 32 USB Function Setting There are three USB function setting such as firmware upgrade, data log export and internal parameter re- Please follow below procedure to execute selected USB function setting. write from the USB disk. Procedure LCD Screen Step 1: Insert an OTG USB disk into the USB port ( Step 2: Press “...

  • Page 33: Lcd Display

    LCD Display The LCD display information will be switched in turn by pressing the “ ” or “ ” button. The selectable information is switched as the following table in order. Selectable information LCD display Input Voltage=230V, Input frequency=50Hz Utility voltage/ Utility frequency PV voltage=260V, PV current=2.5A, PV power=1500W Default PV voltage/ PV current/ PV power...
  • Page 34 Battery voltage=53.9V, Floating charging voltage=54.0V, Charging current=2A Battery voltage, charging stage/ Configured battery parameters/ Battery voltage=50.4V, Low DC cut-off voltage=44.0V, Charging or discharging current Discharging current=20A Default Display Screen Output voltage=230V, Output frequency=60Hz Output voltage, load in VA, load in Watt switch every 5 second/ Output frequency Load in VA=550VA, Output frequency=60Hz...
  • Page 35 Load in Watt=600W, Output frequency=60Hz Output voltage, load in VA, load in Watt switch every 5 second/ Output frequency Default Display Real date Dec 14, 2020. Screen Real date. Real time 11:31. Real time. PV energy generation today = 0Wh. PV energy generation today...
  • Page 36 PV energy generation this month = 0.5kWh. PV energy generation this month PV energy generation this year = 0.5kWh, PV energy generation this year Total PV energy generation = 0.5kWh. Total PV energy generation Load output energy today = 0Wh Load output energy today...
  • Page 37 Load output energy this month = 0.4kWh Load output energy this month Load output energy this year = 0.4kWh Load output energy this year Load Output Total energy = 0.4kWh. Load output total energy. Main CPU version 00050.72. Main CPU version checking.
  • Page 38 Secondary CPU version 00022.01. Secondary CPU version checking. Wi-Fi version 00088.88. 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 *Standby mode: The by the unit but it still inverter is not turned on can charge batteries. yet but at this time, the inverter can charge battery Charging by PV energy.
  • Page 40 Operation mode Description LCD display No charging. Fault mode Note: *Fault mode: Errors are No output is supplied caused by inside circuit by the unit. error or external reasons such as over temperature, output short circuited and so on. Charging by utility and PV energy. Charging by utility.
  • Page 41 Operation mode Description LCD display If either “SUB” (solar first) or “SBU” is selected as output source priority and battery is not connected, solar energy and the utility will provide the loads. The unit will provide output power from the Line Mode mains.

  • Page 42: Faults Reference Code

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

  • Page 43: Warning Indicator

    Inverter soft start failed Over DC voltage in AC output Current sensor failed Output voltage is too low 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...

  • Page 44: 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 45: Specifications

    SPECIFICATIONS Table 1 Line Mode Specifications INVERTER MODEL U5648MS 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±...
  • Page 46 Table 2 Inverter Mode Specifications INVERTER MODEL U5648MS Rated Output Power 5.6KVA/5.6KW Pure Sine Wave Output Voltage Waveform 230Vac± 5% Output Voltage Regulation 60Hz or 50Hz Output Frequency Peak Efficiency Overload Protection 5s@≥150% load; 10s@110%~150% load 2* rated power for 5 seconds...
  • Page 47 Table 3 Charge Mode Specifications Utility Charging Mode INVERTER MODEL U5648MS Charging Current (UPS) 120A @ Nominal Input Voltage Flooded 58.4 Bulk Charging Battery Voltage AGM / Gel 56.4 Battery Floating Charging Voltage 54Vdc Overcharge Protection 66Vdc Charging Algorithm 3-Step 2.43Vdc (2.35Vdc)

  • 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 9 units. The supported maximum output power is 50.4KW/50.4KVA. 2. Maximum 9 units work together to support three-phase equipment. Maximum seven units support one phase.
  • Page 50 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 51 Recommended AC input and output cable size for each inverter: Model AWG no. Torque U5648MS 10 AWG 1.2~ 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 52 Model 80A/ 120A/ 160A/ 200A/ 240A/ 280A/ 320A/ 360A/ U5648MS 230VAC 230VAC 230VAC 230VAC 230VAC 230VAC 230VAC 230VAC Note1: Also, you can use 50A breaker for only 1 unit and install one breaker at its AC input in each inverter.
  • Page 53 Three inverters in parallel: Power Connection Load Communication Connection Four inverters in parallel: Power Connection Load Communication Connection...
  • Page 54 Five inverters in parallel: Power Connection Load Communication Connection Six inverters in parallel: Power Connection Load Communication Connection...
  • Page 55 Seven inverters in parallel: Power Connection Load Communication Connection ❸ ❹ ❺ ❻ ❼ ❶ ❷ Eight inverters in parallel: Power Connection Load Communication Connection ❽ ❶ ❷ ❸ ❹ ❺ ❻ ❼ Nine inverters in parallel: Power Connection Load...
  • Page 56 Communication Connection ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ 5-2. Support 3-phase equipment Three inverters in each phase: Power Connection Load Communication Connection ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ Three inverters in one phase, three inverters in second phase and two inverter for the third phase: Power Connection Load Communication Connection...
  • Page 57 Three inverters in one phase, two inverters in second phase and two inverters for the third phase: Power Connection Load Communication Connection ❸ ❹ ❺ ❻ ❼ ❶ ❷ Two inverters in each phase: Power Connection Load Communication Connection...
  • Page 58 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. Communication Connection ① ② ③ ④...
  • Page 59 Power Connection Load Communication Connection Three inverters in one phase and only one inverter for the remaining two phases: Power Connection Load Communication Connection Two inverters in two phases and only one inverter for the remaining phase:...
  • Page 60 Power Connection Load Communication Connection Two inverters in one phase and only one inverter for the remaining phases: Power Connection Load...
  • Page 61 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. 6. PV Connection Please refer to user manual of single unit for PV Connection. CAUTION: Each inverter should connect to PV modules separately.
  • Page 62 6. LCD Setting and Display Setting Program: Program Description Selectable option Single When the unit is operated alone, please select “SIG” in program 28. Parallel When the units are used in parallel for single phase application, please select “PAL” in program 28. Please refer to 5-1 for detailed information.
  • Page 63 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 64 NOTE: Master and slave units are randomly defined. 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 65 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 66: 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 67 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 68 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 69 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. Step 1.
  • Page 70 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. Generally speaking, it will take longer than 1 minute to establish communication. WECO Step 1.
  • Page 71 Step 3. Turn on the inverter. Step 4. Be sure to select battery type as “WEC” 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. SOLTARO Step 1.
  • Page 72 Step 3. Turn on the inverter. Step 4. Be sure to select battery type as “SOL” 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. Active Function This function is to activate lithium battery automatically while commissioning.
  • Page 73 5. Code Reference Related information code will be displayed on LCD screen. Please check inverter LCD screen for the operation. Code Description 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 74: Appendix Iii: The Wi-Fi Operation Guide

    Appendix III: The Wi-Fi Operation Guide 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 75 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 76 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. Diagnose Function If the module is not monitoring properly, please tap “...
  • Page 77 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 78 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. Add device Delete device icon on the top right corner and manually enter part number to add device. This part number label is pasted on the bottom of inverter.
  • Page 79 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 80 【Battery Mode】Inverter will power the load from the batter with or without PV charging. Only PV source can charge battery. Device Alarm and Name Modification 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.
  • Page 81 【Rated Information】displays information of Nominal AC voltage, Nominal AC current, Rated battery voltage, Nominal output voltage, Nominal output frequency, Nominal output current, Nominal output apparent power and Nominal output active power. Please slide up to see more rated information. 【History】displays the record of unit information and setting timely. 【Wi-Fi Module Information】displays of Wi-Fi Module PN, status and firmware version.
  • Page 82 voltage discharge. Charger source To configure charger source priority. priority: 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.

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