MPP Solar LV5048 User Manual Download Page 44 | Manualshive

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42

Recommended battery capacity

Inverter parallel numbers

2

3

4

5

6

7

8

9

Battery Capacity

800AH 1200AH 1600AH 2000AH 2400AH

2800AH 3200AH 3600AH

WARNING!

Be sure that all inverters will share the same battery bank. Otherwise, the inverters will transfer to

fault mode.

5-1. Parallel Operation in Single phase

Two inverters in parallel:

Power Connection

Load

N

L

N

L

Communication Connection

Three inverters in parallel:

Power Connection

Load

N

L

N

L

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Summary of Contents for LV5048

Page 1: ...3KW 5KW INVERTER CHARGER Version 1 3 User Manual ...

Page 2: ...stallation 9 Communication Connection 9 Dry Contact Signal 10 OPERATION 11 Power ON OFF 11 Operation and Display Panel 11 LCD Display Icons 12 LCD Setting 14 Display Setting 24 Operating Mode Description 29 Fault Reference Code 31 Warning Indicator 31 Battery Equalization 32 SPECIFICATIONS 34 Table 1 Line Mode Specifications 34 Table 2 Battery Mode Specifications 35 Table 3 Charge Mode Specificati...

Page 3: ...e unit will not reduce this risk 5 CAUTION Only qualified personnel can install this device with battery 6 NEVER charge a frozen battery 7 For optimum operation of this inverter charger please follow required spec to select appropriate cable size It s very important to correctly operate this inverter charger 8 Be very cautious when working with metal tools on or around batteries A potential risk e...

Page 4: ...ions via LCD setting Configurable AC Solar Charger priority via LCD setting Compatible to mains voltage or generator power Auto restart while AC is recovering Overload Over temperature short circuit protection Smart battery charger design for optimized battery performance Cold start function Zero transfer Time Basic System Architecture The following illustration shows basic application for this in...

Page 5: ... Remote LCD panel communication port 13 Parallel communication cable only for parallel model 14 Current sharing cable only for parallel model 15 Dry contact 16 RS 232 communication port 17 USB port 18 BMS communication port CAN and RS232 or RS485 19 LED indicator for USB function settings NOTE For parallel model installation and operation please check separate parallel installation guide for the d...

Page 6: ...ing points before selecting where to install Do not mount the inverter on flammable construction materials Mount on a solid surface Install this inverter at eye level in order to allow the LCD display to be read at all times The ambient temperature should be between 0 C and 55 C to ensure optimal operation The recommended installation position is to be adhered to the wall vertically Be sure to kee...

Page 7: ...ed cable and terminal size as below Recommended battery cable and terminal size Model Typical Amperage Battery Capacity Wire Size Ring Terminal Torque Value Cable mm2 Dimensions D mm L mm 3KW 200A 200AH 1 1 0AWG 60 6 4 49 7 2 3 Nm 2 4AWG 44 6 4 49 7 5KW 200A 200AH 1 1 0AWG 60 6 4 49 7 2 3 Nm 2 4AWG 44 6 4 49 7 Please follow below steps to implement battery connection 1 Assemble battery ring termin...

Page 8: ...d spec of AC breaker is 30A for 3KW 50A for 5KW CAUTION There are two terminal blocks with IN and OUT markings Please do NOT mis connect input and output connectors WARNING All wiring must be performed by a qualified personnel WARNING It s very important for system safety and efficient operation to use appropriate cable for AC input connection To reduce risk of injury please use the proper recomme...

Page 9: ...e the proper recommended cable size as below Model Typical Amperage Cable Size Torque 3KW 60A 6 AWG 1 2 1 6 Nm 5KW 80A 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 CAUTION Appliances such as air conditioner are required at least 2 3 minutes to r...

Page 10: ...ltage Range 30 115Vdc 60 115Vdc 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 Connect negative pole of connection cable to negative pole of PV in...

Page 11: ...tep 2 Drill two holes in the marked locations with two screws as shown below chart Place the panel on the surface and align the mounting holes with the two screws Then use one more screw on the top to fix the panel to the wall and check if the remote panel is firmly secured Note Installation to the wall should be implemented with the proper screws Refer chart for recommended spec of screws Step 3 ...

Page 12: ...Power Off Unit is off and no output is powered Close Open Power On Output is powered from Utility Close Open Output is powered from Battery power or Solar energy Program 01 set as USB utility 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 as SBU SBU priority or SUB solar fir...

Page 13: ...g status and input output power information LCD display LED Indicators LED Indicator Messages Setting LED1 Green Solid On Output powered by utility Setting LED2 Green Solid On Output powered by PV Setting LED3 Green Solid On Output powered by battery Status Indicator Green Solid On Output is available in bypass mode Flashing Output is powered by battery or AC in inverter mode Green Solid On Batter...

Page 14: ...the setting programs Indicates the warning and fault codes Warning flashing with warning code Fault lighting with fault code Output Information Indicate output voltage output frequency load percent load in VA load in Watt and discharging current Battery Information Indicates battery level by 0 24 25 49 50 74 and 75 100 in battery mode and charging status in line mode In AC mode it will present bat...

Page 15: ...l 2 058V cell 2 058V cell Load Information Indicates overload Indicates the load level by 0 24 25 49 50 74 and 75 100 0 24 25 49 50 74 75 100 Mode Operation Information Indicates unit connects to the mains Indicates unit connects to the PV panel Indicates load is supplied by utility power Indicates the utility charger circuit is working Indicates the solar charger circuit is working Indicates the ...

Page 16: ...attery provides power the loads SUB 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 the same time Battery provides power to the loads only when solar and utility is not sufficient SBU priority Solar energy provides power to the loads as first priority If solar ener...

Page 17: ...nt of each click is 10A 05 Battery type 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 Pylontech battery only for 5KW If selected programs of 02 26 27 and 29 will be automatically set up No need for further setting 06 Auto restart when overload occurs Restart disable default Restart enable 07 Auto...

Page 18: ...able ECO Mode If selected and bypass is not forbidden in program 23 inverter will work in ECO mode when utility is available 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 20A 30A default 40A 50A 60A 12 Setting voltage point back to utility source when ...

Page 19: ...m 48 0V to 64 0V and increment of each click is 1 0V Battery fully charged 54 0V default 16 Solar energy priority To configure solar energy priority for battery and load NOTE In case of battery keep discharging to cause battery damaged inverter will charge battery at 1 2A in line mode SbL Solar energy for battery first UCb Allow utility to charge battery Default Solar energy charges battery first ...

Page 20: ... selected no matter how users switch display screen it will automatically return to default display screen 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 Backlight on default Backlight off 22 Beeps while primary source is interrupted Alarm on default Alar...

Page 21: ...s from 24 0V to 32 0V for 3KW model and 48 0V to 64 0V for 5KW model Increment of each click is 0 1V 27 Floating charging voltage 3KW default setting 27 0V 5KW default setting 54 0V If self defined is selected in program 5 this program can be set up Setting range is from 24 0V to 32 0V for 3KW model and 48 0V to 64 0V for 5KW model Increment of each click is 0 1V 28 AC output mode This setting is ...

Page 22: ...connect share current cable between units on different phases L2 phase L3 phase 29 Low DC cut off voltage If battery power is only power source available inverter will shut down If PV energy and battery power are available inverter will charge battery without AC output If PV energy battery power and utility are all available inverter will transfer to line mode and provide output power to loads 3KW...

Page 23: ...ck is 5min 36 Battery equalized timeout 120min default Setting range is from 5min to 900 min Increment of each click is 5 min 37 Equalization interval 30days default Setting range is from 0 to 90 days Increment of each click is 1 day 39 Equalization activated immediately Disable default Enable If equalization function is enabled in program 33 this program can be set up If Enable is selected in thi...

Page 24: ...umber 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 Minute For minute setting the range is from 00 to 59 96 Time setting Hour For hour setting the range is from 00 to 23 97 Time setting Day For day setting the range is from 00 to 31 98 Time setting Month For month setting the range is from 01 to 12 ...

Page 25: ...cted function is ready LCD will display Please press button to confirm the selection again Press to select Yes or button to select No Then press button to exit setting mode Re write internal parameters If pressing button to proceed parameters re write from USB function If selected function is ready LCD will display Please press button to confirm the selection again Press to select Yes or button to...

Page 26: ...e will only show 5 seconds After 5 seconds it will automatically return to display screen Display Setting The LCD display information will be switched in turn by pressing the UP or DOWN button The selective information will be switched as per the following orders Selectable information LCD display Input voltage Output voltage Default Display Screen Input Voltage 230V output voltage 230V Input freq...

Page 27: ...C and PV charging 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 voltage 25 5V output voltage 230V ...

Page 28: ...xVA 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 is larger than 1kW 1KW load in W will present x xkW like below chart Battery voltage DC discharging current Battery voltage 25 5V discharging current 1A ...

Page 29: ...generated this month 388kWh Load output energy this month 988kWh PV energy generated this year and Load output energy this year PV energy generated this year energy 3 88MWh Load output energy this year 9 88MWh PV energy generated totally and Load output total energy Total PV energy until now 38 8MWh Total load output energy until now 98 8MWh Real date Real date Nov 28 2017 Real time Real time 13 2...

Page 30: ...in CPU version checking Main CPU version 00014 04 Secondary CPU version checking Secondary CPU version 00003 03 Bluetooth version checking Bluetooth version 00003 03 SCC version checking SCC version 00003 03 ...

Page 31: ...by utility and PV energy Charging by utility Charging by PV energy No charging Fault mode Note Fault mode Errors are caused by inside circuit error or external reasons such as over temperature output short circuited and so on Utility can bypass No charging and Bypass No charging Bypass ECO Mode The unit will provide output power from the utility PV energy and utility can charge batteries Charging ...

Page 32: ...de output power from the mains It will also charge the battery at line mode Charging by utility and PV energy Charging by utility Battery Mode The unit will provide output power from battery and PV power Power from battery and PV energy PV energy will supply power to the loads and charge battery at the same time Power from battery only ECO mode disabled when in parallel mode ...

Page 33: ...nt 52 Bus voltage is too low 53 Inverter soft start failed 55 Over DC voltage in AC output 56 Battery is not connected 57 Current sensor failed 58 Output voltage is too low Warning Indicator Warning Code Warning Event Audible Alarm Icon flashing 01 Fan is locked when inverter is on Beep three times every second 02 Over temperature None 03 Battery is over charged Beep once every second 04 Low batte...

Page 34: ...g LCD setting program 33 first Then you may apply this function in device by either one of following methods 1 Setting equalization interval in program 37 2 Active equalization immediately in program 39 When to Equalize In 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 ...

Page 35: ...on voltage point the charge controller will extend the battery equalized time until battery voltage achieves battery equalization voltage If battery voltage is still lower than battery equalization voltage when battery equalized timeout setting is over the charge controller will stop equalization and return to float stage ...

Page 36: ...rn Voltage 270Vac 7V Max AC Input Voltage 300Vac Nominal Input Frequency 50Hz 60Hz Auto detection Low Loss Frequency 46 56 1Hz Low Loss Return Frequency 46 5 57 1Hz High Loss Frequency 54 64 1Hz High Loss Return Frequency 53 63 1Hz Power Factor 0 98 Output Short Circuit Protection Line mode Circuit Breaker Battery mode Electronic Circuits Efficiency Line Mode 93 Peak Efficiency Transfer Time Line ...

Page 37: ...rge Capacity 2 rated power for 5 seconds Nominal DC Input Voltage 24Vdc 48Vdc Operating Range 20Vdc 34Vdc 40Vdc 66Vdc Cold Start Voltage 23Vdc 46Vdc Low DC Warning Voltage 22 5Vdc 22 0Vdc 45 0Vdc 44 0Vdc load 50 load 50 Low DC Warning Return Voltage 23 5Vdc 23 0Vdc 47 0Vdc 46 0Vdc load 50 load 50 Low DC Cut off Voltage 21 5Vdc 21 0Vdc 43 0Vdc 42 0Vdc load 50 load 50 High DC Recovery Voltage 32Vdc ...

Page 38: ...ll Charging Current 100 50 Bulk Constant Current Absorption Constant Voltage Maintenance Floating Current Voltage T1 T1 10 T0 minimum 10mins maximum 8hrs T0 2 43Vdc 2 35Vdc 2 25Vdc Solar Charging Mode MPPT type INVERTER MODEL 3KW 5KW Rated Power 1500W 4000W Maximum charging current 60A 80A Efficiency 98 0 max Max PV Array Open Circuit Voltage 145Vdc PV Array MPPT Voltage Range 30 115Vdc 60 115Vdc ...

Page 39: ...Auto detection Low Loss Frequency 46 56 1Hz Low Loss Return Frequency 46 5 57 1Hz High Loss Frequency 54 64 1Hz High Loss Return Frequency 53 63 1Hz Table 5 General Specifications INVERTER MODEL 3KW 5KW SCC type MPPT Parallel able YES Communication RS232 and Bluetooth Safety Certification CE Operating Temperature Range 0 C to 55 C Storage temperature 15 C 60 C Humidity 5 to 95 Relative Humidity No...

Page 40: ... repeatedly LCD display and 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 up Reduce the connected load by switching off some equipment Fault code 05 Output short circuited Check if wiring is connected well and remove abnormal load Fault code 02 Int...

Page 41: ...his inverter is default supported parallel operation You may skip section 3 If not please purchase parallel kit and install this unit by following instruction from professional technical personnel in local dealer 2 Package Contents In parallel kit you will find the following items in the package Parallel board Parallel communication cable Current sharing cable 3 Parallel board installation Step 1 ...

Page 42: ...tep 6 Put wire cover back to the unit Now the inverter is providing parallel operation function 4 Mounting the Unit When installing multiple units please follow below chart NOTE For proper air circulation to dissipate heat allow a clearance of approx 20 cm to the side and approx 50 cm above and below the unit Be sure to install each unit in the same level ...

Page 43: ... 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 The recommended mounted location of the breakers is shown in the figures in 5 1 and 5 2 Recommended breaker specification of battery for ...

Page 44: ...0AH 2800AH 3200AH 3600AH WARNING Be sure that all inverters will share the same battery bank Otherwise the inverters will transfer to fault mode 5 1 Parallel Operation in Single phase Two inverters in parallel Power Connection Load N L N L Communication Connection Three inverters in parallel Power Connection Load N L N L ...

Page 45: ...43 Communication Connection Four inverters in parallel Power Connection Load N L N L Communication Connection Five inverters in parallel Power Connection Load N L N L ...

Page 46: ...44 Communication Connection Six inverters in parallel Power Connection Load N L N L Communication Connection Seven inverters in parallel Power Connection Load N L N L Communication Connection ...

Page 47: ...nnection Load N L N L Communication Connection Nine inverters in parallel Power Connection Load N L N L Communication Connection 5 2 Support 3 phase equipment Three inverters in each phase Power Connection Load N L1 P1 P2 P3 L2 L3 N L1 L2 L3 ...

Page 48: ...RNING Do not connect the current sharing cable between the inverters which are in different phases Otherwise it may damage the inverters Two inverters in each phase Power Connection Load N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Communication Connection ...

Page 49: ...phase P3 L3 phase Communication Connection P1 P2 P3 Note If there is only one unit in one phase this unit doesn t need to connect the current sharing cable Or you connect it like as below Four inverters in one phase and one inverter for the other two phases Power Connection N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Load Note It s up to customer s demand to pick 4 inverters on any phase P1 L1 phase P2 L2 phas...

Page 50: ...ters in second phase and one inverter for the third phase Power Connection N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Load Communication Connection Three inverters in one phase and only one inverter for the remaining two phases Power Connection N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Load ...

Page 51: ...ses and only one inverter for the remaining phase Power Connection N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Load Communication Connection Two inverters in one phase and only one inverter for the remaining phases Power Connection N L1 P1 P2 P3 L2 L3 N L1 L2 L3 Load ...

Page 52: ...oad 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 53: ... s required to have at least one inverter in each phase or it s up to four inverters in one phase Please refers to 5 2 for detailed information Please select 3P1 in program 28 for the inverters connected to L1 phase 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...

Page 54: ...arm the parallel system 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 Support three phase equipment Step 1 Check the following requirements 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...

Page 55: ... problem remains please contact your installer 80 CAN data loss 1 Check if communication cables are connected well and restart the inverter 2 If the problem remains please contact your installer 81 Host data loss 82 Synchronization data loss 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...

Page 56: ...16 2400 70 188 2700 62 148 3000 56 134 Model Load VA Backup Time 48Vdc 200Ah min Backup Time 48Vdc 400Ah min 5KW 500 1226 2576 1000 536 1226 1500 316 804 2000 222 542 2500 180 430 3000 152 364 3500 130 282 4000 100 224 4500 88 200 5000 80 180 Note Backup time depends on the quality of the battery age of battery and type of battery Specifications of batteries may vary depending on different manufac...

Page 57: ...d to bottom for OFF position it means 0 If switch position is turned to upper for ON position it means 1 Dip 1 is ON to represent the baud rate 9600 Dip 2 3 and 4 are to set up battery group address Dip switch 2 3 and 4 on 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 ...

Page 58: ...p 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 Active Function This function is to activate lithium battery automatically while commissioning After battery wiring and commis...

Page 59: ...able when the battery type is setting as Pylontech Battery After battery is connected communication signal is not detected for 3 minutes buzzer will beep After 10 minutes inverter will stop charging and discharging to lithium battery Communication lost occurs after the inverter and battery is connected successfully buzzer beeps immediately Battery number is changed It probably is because of commun...

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