LV 6548
SOLAR INVERTER / CHARGER
Version: 1.0
User Manual
Page 1: ...LV 6548 SOLAR INVERTER CHARGER Version 1 0 User Manual...
Page 2: ...2 BMS Communication 12 OPERATION 13 Power ON OFF 13 Inverter Turn on 13 Operation and Display Panel 13 LCD Display Icons 14 LCD Setting 16 LCD Display 31 Operating Mode Description 36 Faults Reference...
Page 3: ...rectly operate this inverter charger 8 Be very cautious when working with metal tools on or around batteries A potential risk exists to drop a tool to spark or short circuit batteries or other electri...
Page 4: ...computers via LCD control panel Configurable AC PV output usage timer and prioritization Configurable AC Solar charger priority via LCD control panel Configurable battery charging current based on ap...
Page 5: ...unction buttons 16 BMS communication port CAN RS 485 or RS 232 6 Power on off switch 17 Output source indicators refer to OPERATION Operation 7 AC input connectors and Display Panel section for detail...
Page 6: ...emove three cables as shown below Mounting the Unit Consider the following points before selecting where to install Do not mount the inverter on flammable construction materials Mount on a solid surfa...
Page 7: ...erminal size Model Typical Amperage Battery capacity Wire Size Cable mm2 Ring Terminal Torque value Dimensions D mm L mm LV 6548 153A 250AH 1 2 0AWG 67 8 4 47 5 Nm Please follow below steps to impleme...
Page 8: ...ury please use the proper recommended cable size as below Suggested cable requirement for AC wires Model Gauge Torque Value LV 6548 4 AWG 1 4 1 6Nm Please follow below steps to implement AC input outp...
Page 9: ...a short time it will cause damage to your connected appliances To prevent this kind of damage please check manufacturer of air conditioner if it s equipped with time delay function before installatio...
Page 10: ...ow Step 4 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 Connect negative pole...
Page 11: ...commended solar panel configuration Solar Panel Spec reference 330Wp Vmp 33 7Vdc Imp 9 79A Voc 39 61Vdc Isc 10 4A Cells 60 SOLAR INPUT 1 SOLAR INPUT 2 Q ty of panels Total Input Power Min in series 3p...
Page 12: ...case Detach the cable from the original communication port Be sure to replace the retention plate back to the inverter Step 2 Prepare your mounting holes in the marked locations as shown in the illus...
Page 13: ...i 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 m...
Page 14: ...utility first or SUB solar first Battery voltage Low DC warning voltage Open Close Battery voltage Setting value in Program 13 or battery charging reaches floating stage Close Open Program 01 is set...
Page 15: ...ity and load level These parameters such as color effects brightness speed and so on can be configured through the LCD panel Please refer to LCD settings for the details Operation and Display Panel Th...
Page 16: ...for output source priority and battery discharge charge status Up To last selection Down To next selection Enter To confirm enter the selection in setting mode LCD Display Icons Icon Function descrip...
Page 17: ...d 4 bars will be on In battery mode it will present battery capacity Load Percentage Battery Voltage LCD Display Load 50 1 85V cell 1 85V cell 1 933V cell 1 933V cell 2 017V cell 2 017V cell Load 50 1...
Page 18: ...is not available Solar first Solar energy provides power to the loads as first priority If solar energy is not sufficient to power all connected loads Utility energy will supply power to the loads at...
Page 19: ...S If selected acceptable AC input voltage range will be within 170 280VAC 05 Battery type AGM default Flooded User Defined If User Defined is selected battery charge voltage and low DC cut off voltage...
Page 20: ...g Lithium battery compatible to Lib protocol If selected programs of 02 26 27 and 29 will be automatically set up No need for further setting 3rd party Lithium battery If selected programs of 02 26 27...
Page 21: ...t 127V 11 Maximum utility charging current Note If setting value in program 02 is smaller than that in program in 11 the inverter will apply charging current from program 02 for utility charger 2A 10A...
Page 22: ...source when selecting SBU SBU priority in program 01 44V 45V 46V default 47V 48V 49V 50V 51V 13 Setting voltage point back to battery mode when selecting SBU SBU priority in program 01 Battery fully...
Page 23: ...rammed as below Solar first Solar energy will charge battery as first priority Utility will charge battery only when solar energy is not available Solar and Utility default Solar energy and utility wi...
Page 24: ...Input voltage output voltage after no button is pressed for 1 minute Stay at latest screen If selected the display screen will stay at latest screen user finally switches 20 Backlight control Backligh...
Page 25: ...odel default 27 0V 48V model default 54 0V If self defined is selected in program 5 this program can be set up Setting range is from 25 0V to 31 0V for 24V model and 48 0V to 62 0V for 48V model Incre...
Page 26: ...sfer to line mode and provide output power to loads 24V model default 22 0V 48V model default 44 0V If self defined is selected in program 5 this program can be set up Setting range is from 21 0V to 2...
Page 27: ...Enable is selected in this program it s to activate battery equalization immediately and LCD main page will show If Disable is selected it will cancel equalization function until next activated equal...
Page 28: ...ffects Scrolling Breathing Solid on Default 55 Color combination of RGB LED to show energy source and battery charge discharge status Grid PV Battery Battery charge discharge status C01 Default Violet...
Page 29: ...ta log recorded interval The maximum data log number is 1440 If it s over 1440 it will re write the first log 3 minutes 5 minutes 10 minutes default 20 minutes 30 minutes 60 minutes 95 Time setting Mi...
Page 30: ...ta log export and internal parameters re write from the USB disk Procedure LCD Screen Step 1 Press and hold button for 3 seconds to enter USB function setting mode Step 2 Press or button to enter the...
Page 31: ...isplay screen 2 Timer Setting for Output Source Priority This timer setting is to set up the output source priority per day Procedure LCD Screen Step 1 Press and hold button for 3 seconds to enter Tim...
Page 32: ...ram Operation Procedure LCD Screen Press button to set up Solar First Timer Press button to select staring time Press or button to adjust values and press to confirm Press button to select end time Pr...
Page 33: ...is switched as the following table in order Selectable information LCD display Input voltage Output voltage Default Display Screen Input Voltage 230V output voltage 230V Input frequency Input frequenc...
Page 34: ...32 PV1 current 2 5A dual input model PV2 current 2 5A dual input model PV power PV power 500W PV1 power 500W dual input model PV2 power 500W dual input model...
Page 35: ...rging current 50A PV charging current 50A AC charging current 50A Charging power AC and PV charging power 500W PV charging power 500W AC charging power 500W Battery voltage and output voltage Battery...
Page 36: ...VA like below chart When load is larger than 1kVA 1KVA load in VA will present x xkVA like below chart Load in Watt When load is lower than 1kW load in W will present xxxW like below chart When load i...
Page 37: ...energy this month This PV month energy 388kWh Load month energy 988kWh PV energy generated this year and Load output energy this year This PV year energy 3 88MWh Load year energy 9 88MWh PV energy ge...
Page 38: ...rsion 00000 24 Operating Mode Description Operation mode Description LCD display Standby mode Note Standby mode The inverter is not turned on yet but at this time the inverter can charge battery witho...
Page 39: ...by utility and PV energy Charging by utility Charging by PV energy No charging Line Mode The unit will provide output power from the mains It will also charge the battery at line mode Charging by util...
Page 40: ...ed as output source priority and battery is not connected solar energy and the utility will provide the loads Power from utility Battery Mode The unit will provide output power from battery and or PV...
Page 41: ...Output short circuited 06 Output voltage is too high 07 Overload time out 08 Bus voltage is too high 09 Bus soft start failed 10 PV over current 11 PV over voltage 12 DCDC over current 13 Battery dis...
Page 42: ...charged Beep once every second 04 Low battery Beep once every second 07 Overload Beep once every 0 5 second 10 Output power derating Beep twice every 3 seconds 15 PV energy is low Beep twice every 3...
Page 43: ...float stage when the setting equalization interval battery equalization cycle is arrived or equalization is active immediately the controller will start to enter Equalize stage Equalize charging time...
Page 44: ...ax AC Input Current 60A Nominal Input Frequency 50Hz 60Hz Auto detection Low Loss Frequency 40 1Hz Low Loss Return Frequency 42 1Hz High Loss Frequency 65 1Hz High Loss Return Frequency 63 1Hz Output...
Page 45: ...24Vdc 48Vdc Cold Start Voltage 23 0Vdc 46 0Vdc Low DC Warning Voltage load 20 23 0Vdc 46 0Vdc 20 load 50 21 4Vdc 42 8Vdc load 50 20 2Vdc 40 4Vdc Low DC Warning Return Voltage load 20 24 0Vdc 48 0Vdc...
Page 46: ...Step Charging Curve Time Battery Voltage per cell Charging Current 100 50 Bulk Constant Current Absorption Constant Voltage Maintenance Floating Current Voltage T1 T1 10 T0 minimum 10mins maximum 8hr...
Page 47: ...ondensing Dimension D W H mm 147 4x 432 5 x 553 6 Net Weight kg 18 4 Table 5 Parallel Specifications Parallel model only Max parallel numbers 6 Circulation Current under No Load Condition Max 2A Power...
Page 48: ...nd LEDs are flashing Battery is disconnected Check if battery wires are connected well Buzzer beeps continuously and red LED is on Fault code 07 Overload error The inverter is overload 110 and time is...
Page 49: ...r is shown as below Recommended battery cable and terminal size for each inverter Model Wire Size Cable mm2 Ring Terminal Torque value Dimensions D mm L mm LV 6548 1 2 0AWG 67 8 4 47 5 Nm WARNING Be s...
Page 50: ...AC 360A 230VAC Note 1 Also you can use 60A breaker with only 1 unit and install one breaker at its AC input in each inverter Note 2 Regarding three phase system you can use 4 pole breaker directly and...
Page 51: ...49 Three inverters in parallel Power Connection Communication Connection 2 1 3 Four inverters in parallel Power Connection Communication Connection 2 1 3 4...
Page 52: ...50 Five inverters in parallel Power Connection Communication Connection 2 1 3 4 5 Six inverters in parallel Power Connection Communication Connection 2 1 3 4 5 6...
Page 53: ...e Power Connection P1 N L1 L2 L3 N L1 L2 L3 P2 P3 Communication Connection 2 1 3 4 5 6 P1 P2 P3 Four inverters in one phase and one inverter for the other two phases Power Connection P1 P3 N L1 L2 L3...
Page 54: ...the third phase Power Connection P1 P3 N L1 L2 L3 N L1 L2 L3 P2 Communication Connection 2 1 3 4 5 6 P1 P3 P2 Three inverters in one phase and only one inverter for the remaining two phases Power Con...
Page 55: ...ning phase Power Connection P1 P3 N L1 L2 L3 N L1 L2 L3 P2 Communication Connection 2 1 3 4 5 P1 P3 P2 Two inverters in one phase and only one inverter for the remaining phases Power Connection P1 P3...
Page 56: ...onnection 2 1 3 P3 P2 P1 WARNING Do not connect the current sharing cable between the inverters which are in different phases Otherwise it may damage the inverters 4 3 Support split phase equipment Th...
Page 57: ...unication Connection 2 1 3 4 P1 P2 One inverter in each phase Power Connection P1 N L1 L2 N L1 L2 P2 Communication Connection 2 1 P1 P2 5 PV Connection Please refer to user manual of single unit for P...
Page 58: ...se 3P2 in program 28 for the inverters connected to L2 phase and 3P3 in program 28 for the inverters connected to L3 phase Be sure to connect share current cable to units which are on the same phase D...
Page 59: ...uirements 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 each unit and s...
Page 60: ...e setting cannot be programmed Step 3 Turn on all units sequentially LCD display in L1 phase unit LCD display in L2 phase unit LCD display in L3 phase unit Step 4 Switch on all AC breakers of Line wir...
Page 61: ...4 Switch on all AC breakers of Line wires in AC input If AC connection is detected and split phases are matched with unit setting they will work normally Otherwise the AC icon will flash and they will...
Page 62: ...oss 83 The battery voltage of each inverter is not the same 1 Make sure all inverters share same groups of batteries together 2 Remove all loads and disconnect AC input and PV input Then check battery...
Page 63: ...master battery first battery are to set up or change the group address NOTE 1 is upper position and 0 is bottom position Dip 1 Dip 2 Dip 3 Dip 4 Group address 1 RS485 baud rate 9600 Restart to take ef...
Page 64: ...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 Simply set this...
Page 65: ...ring and commissioning is successfully if battery is not detected the inverter will automatically activate battery if the inverter is powered on WECO Step 1 Use a custom made RJ45 cable to connect inv...
Page 66: ...lish communication SOLTARO Step 1 Use a custom made RJ45 cable to connect inverter and Lithium battery Please take notice for parallel system 1 Only support common battery installation 2 Use one custo...
Page 67: ...ill flash Generally speaking it will take longer than 1 minute to establish communication 4 LCD Display Information Press or button to switch LCD display information It will show battery pack and batt...
Page 68: ...um battery Communication lost occurs after the inverter and battery is connected successfully buzzer beeps immediately Battery number is changed It probably is because of communication lost between ba...
Page 69: ...ccurs Allows users to query inverter history data 2 WatchPower App 2 1 Download and install APP Please scan the following QR code with your smart phone and download WatchPower App Android system iOS s...
Page 70: ...Wi Fi Config page There are detailed setup procedure listed in How to connect section and you may follow it to connect Wi Fi Enter the Settings Wi Fi and select connected Wi Fi name The connected Wi F...
Page 71: ...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 on the top right corner of the screen for further de...
Page 72: ...ed 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...
Page 73: ...d enter part number by scanning bar code to add Wi Fi module This part number is printed on the Wi Fi module s surface or manually enter it Tap Confirm to add Wi Fi module in the Device list For more...
Page 74: ...en 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 Mod...
Page 75: ...nfirm to complete name modification Device Information Data Users can check up Basic Information Product Information Rated information History and Wi Fi Module Information by swiping left Basic Inform...
Page 76: ...in the column Each function setting is saved by clicking Set button Please refer to below parameter setting list for an overall description and be noted that the available parameters may vary dependi...
Page 77: ...sable Functions LCD Auto return to Main screen If enable LCD screen will return to its main screen after one minute automatically Fault Code Record If enabled fault code will be recorded in the invert...
