Voltronic Power Axpert Plus Duo, User Manual

Page 1: ...INVERTER CHARGER 5KVA with MPPT solar charger Version 1 0 User Manual ...

Page 2: ...ssembly 9 Communication Connection 9 Dry Contact Signal 9 OPERATION 10 Power ON OFF 10 Operation and Display Panel 10 LCD Display Icons 11 LCD Setting 13 Display Setting 18 Operating Mode Description 22 Fault Reference Code 24 Warning Indicator 24 SPECIFICATIONS 25 Table 1 Line Mode Specifications 25 Table 2 Inverter Mode Specifications 26 Table 3 Charge Mode Specifications 27 TROUBLE SHOOTING 29 ...

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: ...n applications 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 Basic System Architecture The following illustration shows basic application for this inverter ch...

Page 5: ...PV input Please check model no for detailed PV input numbers 10 Battery input 11 Circuit breaker 12 RS232 communication port 13 Parallel communication cable only for parallel model 14 Current sharing cable only for parallel model 15 Dry contact 16 USB communication port NOTE For parallel model installation and operation please check separate parallel installation guide for the details ...

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: ...isk of injury please use the proper recommended cable and terminal size as below Recommended battery breaker cable and terminal size Model Breaker Size Wire Size Ring Terminal Torque Value Dimensions AWG mm2 D mm L mm 5KVA with 2 MPPTs 200A 60VDC 2 4AWG 44 10 5 50 10 12 Nm 5KVA with 3 MPPTs 250A 60VDC 2 2AWG 72 10 5 55 Please follow below steps to implement battery connection 1 Assemble battery ri...

Page 8: ...rt 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 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 ...

Page 9: ...s below Suggested cable requirement for AC wires Model Wire Size Torque Value AWG mm2 5KVA 1 8 AWG 8 4 1 4 1 6Nm 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 2 Remove insulation sleeve 10mm for six conductors And shorten phase L and neutral conductor N 3 mm 3 Insert AC input wires acc...

Page 10: ...115Vdc Min battery voltage for PV charge 34Vdc 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 negativ...

Page 11: ...ar panel It could be used to deliver signal to external device when battery voltage reaches warning level Unit Status Condition Dry contact port NC C NO C 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 or Solar Program 01 set as Utility Battery voltage Low DC warning voltage Open Close Battery voltage Sett...

Page 12: ...ing status and input output power information LED Indicator LED Indicator Messages Green Solid On Output is powered by utility in Line mode Flashing Output is powered by battery or PV in battery mode Green Solid On Battery is fully charged Flashing Battery is charging Red Solid On Fault occurs in the inverter Flashing Warning condition occurs in the inverter Function Keys Function Key Description ...

Page 13: ...ltage 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 battery charging status Status Battery voltage LCD Display Constant Current mode Constant Voltage mode 2V cell 4 bars will flash in turns 2 2 083V cell Bottom bar wi...

Page 14: ... 1 867V cell 1 95V cell 1 95 2 033V cell 2 033 Load Information Indicates overload Indicates the load level by 0 24 25 50 50 74 and 75 100 0 25 25 50 50 75 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 DC AC inverter circuit is ...

Page 15: ...ppens Solar energy is not available Battery voltage drops to either low level warning voltage or the setting point in program 12 Utility first default Utility will provide power to the loads as first priority Solar and battery energy will provide power to the loads only when utility power is not available SBU priority Solar energy provides power to the loads as first priority If solar energy is no...

Page 16: ...hin 170 280VAC 04 Power saving mode enable disable Saving mode disable default If disabled no matter connected load is low or high the on off status of inverter output will not be effected Saving mode enable If enabled the output of inverter will be off when connected load is pretty low or not detected 05 Battery type AGM default Flooded User Defined If User Defined is selected battery charge volt...

Page 17: ...art disable default Restart enable 08 Output voltage 220V 230V default 240V 09 Output frequency 50Hz default 60Hz 11 Maximum utility charging current 2A 10A 20A 30A default 40A 50A 60A 12 Setting voltage point back to utility source when selecting SBU priority or Solar first in program 01 44V 45V 46V default 47V 48V 49V 50V 51V ...

Page 18: ...t priority Utility will charge battery only when solar energy is not available Utility first Utility will charge battery as first priority Solar energy will charge battery only when utility power is not available Solar and Utility Solar energy and utility will charge battery at the same time Only Solar Solar energy will be the only charger source no matter utility is available or not If this inver...

Page 19: ...rload occurs in battery mode Bypass disable default Bypass enable 25 Record Fault code Record enable Record disable default 26 Bulk charging voltage C V voltage 56 4V default If self defined is selected in program 5 this program can be set up Setting range is from 48 0V to 58 4V Increment of each click is 0 1V 27 Floating charging voltage 54 0V default If self defined is selected in program 5 this...

Page 20: ...olar power Max battery charging power Display Setting The LCD display information will be switched in turns by pressing UP or DOWN key The selectable information is switched as below order input voltage input frequency PV1 voltage PV2 voltage PV3 voltage charging current total PV charging power PV1 charging power PV2 charging power PV3 charging power battery voltage output voltage output frequency...

Page 21: ...ower than 1kW it will present xxxW like below chart When total PV Charging power is larger than 1kW 1KW it will present x xkW like below chart PV1 charging power When PV1 charging power is lower than 1kW it will present xxxW like below chart When PV1 Charging power is larger than 1kW 1KW it will present x xkW like below chart ...

Page 22: ... 1kW 1KW it will present x xkW like below chart PV3 charging power When PV3 Charging power is lower than 1kW it will present xxxW like below chart When PV3 charging power is larger than 1kW 1KW it will present x xkW like below chart Battery voltage Battery voltage 48 0V Output frequency Output frequency 50Hz Load percentage Load percent 70 ...

Page 23: ...ent 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 DC discharging current DC discharging current 8A Main CPU version checking Main CPU version 00072 40 The second CPU version checking The second CPU version 00001 01 ...

Page 24: ...AC output Power saving mode If enabled the output of inverter will be off when connected load is pretty low or not detected No output is supplied by the unit but it still can charge batteries Charging by utility and PV energy Charging by utility energy 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...

Page 25: ...harging Utility can power loads when the unit starts up without battery Only available in single model Power from utility energy Line Mode The unit will provide output power from the mains It will also charge the battery at line mode Charging by PV energy Charging by utility energy Battery Mode The unit will provide output power from battery and PV power Power from battery and PV energy Power from...

Page 26: ...soft start failed 55 Over DC voltage in AC output 56 Battery connection is open 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 03 Battery is over charged Beep once every second 04 Low battery Beep once every second 07 Overload Beep once every 0 5 second...

Page 27: ...s High Loss Voltage 280Vac 7V High Loss Return Voltage 270Vac 7V Max AC Input Voltage 300Vac Nominal Input Frequency 50Hz 60Hz Auto detection 55Hz as boundary Low Loss Frequency 40 1Hz Low Loss Return Frequency 42 1Hz High Loss Frequency 65 1Hz High Loss Return Frequency 63 1Hz Output Short Circuit Protection Line mode Circuit Breaker Battery mode Electronic Circuits Efficiency 95 Rated R load bat...

Page 28: ...50 load 10s 110 150 load Surge Capacity 2 x rated power for 5sec Nominal DC Voltage 48Vdc Maximum DC current 93A Cold Start Voltage 46 0Vdc Low DC Warning Voltage load 20 44 0Vdc 20 load 50 42 8Vdc load 50 40 4Vdc Low DC Warning Recovery Voltage load 20 46 0Vdc 20 load 50 44 8Vdc load 50 42 4Vdc Low DC Cut off Voltage load 20 42 0Vdc 20 load 50 40 8Vdc load 50 38 4Vdc High DC Recovery Voltage 58Vd...

Page 29: ... maximum 8hrs T0 2 43Vdc 2 35Vdc 2 25Vdc Solar Charging Mode Model 5KVA with 2 MPPTs 5KVA with 3 MPPTs MPP tracker numbers 2 3 Charging Current 2 x 60 Amp 3 x 60 Amp Max PV Array Open Circuit Voltage 145Vdc PV Array Voltage High Loss 145Vdc PV Array Voltage High Comeback 140Vdc PV Array Voltage Low Loss Battery voltage 1V PV Array Voltage Low Back Battery voltage 2V PV Array MPPT Voltage Range 60 ...

Page 30: ...A with 2 MPPTs 5KVA with 3 MPPTs Max Charging Current 180 Amp 240 Amp Default Charging Current 60 Amp Table 4 General Specifications Model 5KVA with 2 MPPTs 5KVA with 3 MPPTs Safety Certification CE Protective class II Ingress protection IP21 Operating Temperature Range 0 C to 55 C Storage temperature 15 C 60 C Dimension D W H mm 507 6 x 295 x 186 2 Net Weight kg 15 16 ...

Page 31: ...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 Temperature of internal converter compone...

Page 32: ...h min 5KVA 500 3678 7728 1000 1608 3678 1500 948 2412 2000 666 1626 2500 540 1290 3000 456 1092 3500 390 846 4000 300 672 4500 264 600 5000 240 540 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 manufacturers ...

Page 33: ...e can be up to 16KW 20KVA NOTE If this unit is bundled with share current cable and parallel cable this 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 Par...

Page 34: ...Take out the board under the communication board Step 4 Remove two screws as below chart to take out cover of parallel communication Step 5 Install new parallel board with 2 screws tightly Step 6 Re connect 2 pin and 14 pin to original position Parallel board Communication board ...

Page 35: ...the unit Be sure to install each unit in the same level 5 Wiring Connection The cable size of each inverter is shown as below Recommended battery breaker cable and terminal size for each inverter Model Breaker Size Wire Size Ring Terminal Torque Value Dimensions AWG mm2 D mm L mm 5KVA with 2 MPPTs 200A 60VDC 2 4AWG 44 10 5 50 10 12 Nm 5KVA with 3 MPPTs 250A 60VDC 2 2AWG 72 10 5 55 WARNING Be sure ...

Page 36: ...recommended mounted location of the breakers is shown in the figures in 5 1 and 5 2 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 Model 2 units 3 units 4 units 5 units 6 units 5KVA 100A...

Page 37: ...35 5 1 Parallel Operation in Single phase Two inverters in parallel Power Connection N L N L Load Communication Connection Three inverters in parallel Power Connection N L N L Load ...

Page 38: ...36 Communication Connection Four inverters in parallel Power Connection N L N L Load Communication Connection ...

Page 39: ...37 Five inverters in parallel Power Connection N L N L Load Communication Connection Six inverters in parallel Power Connection N L N L Load Communication Connection ...

Page 40: ...L2 L3 Load P1 P2 P3 Communication Connection Four inverters in one phase and one inverter for the other two phases Power Connection N L1 L2 L3 N L1 L2 L3 Load P1 P2 P3 Note It s up to customer s demand to pick 4 inverters on any phase P1 L1 phase P2 L2 phase P3 L3 phase Communication Connection ...

Page 41: ...one inverter for the third phase Power Connection N L1 L2 L3 N L1 L2 L3 Load P1 P2 P3 Communication Connection Three inverters in one phase and only one inverter for the remaining two phases Power Connection N L1 L2 L3 N L1 L2 L3 Load P1 P2 P3 Communication Connection ...

Page 42: ...one inverter for the remaining phase Power Connection N L1 L2 L3 N L1 L2 L3 Load P1 P2 P3 Communication Connection Two inverters in one phase and only one inverter for the remaining phases Power Connection N L1 L2 L3 N L1 L2 L3 Load P1 P2 P3 ...

Page 43: ... P3 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 44: ...e 30 PV judge condition Only apply for setting Solar first in program 1 Output source priority One Inverter Default When ONE is selected as long as one of inverters has been connected to PV modules and PV input is normal parallel or 3 phase system will continue working according to rule of solar first setting For example two units are connected in parallel and set SOL in output source priority If ...

Page 45: ...ifferent 8 Commissioning Parallel in single phase 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 Turn on each unit and set PAL in LCD setting program 28 of each unit And then shut down all units NOET It s necessary to turn off switch when s...

Page 46: ...necessary to turn off switch when setting LCD program Otherwise the 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 wires in AC input If AC connection is detected and three phases are matched with unit setting they will work normally Otherwise the AC ic...

Page 47: ...ected 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 input and PV input Then check battery voltage of all inverters If the values from all inverters are clo...