Micno 3kW DC24V, User Manual

Page 1: ...USER MANUAL 3 5KW 5 5KW SOLARE INVERTER CHARGER ...

Page 2: ...nnection 8 Final Assembly 10 Communication Connection 10 OPERATION 11 Power ON OFF 11 Operation and Display Panel 11 LCD Display ICONS 12 LCD Setting 14 Fault Reference Code 19 Warning Indicator 19 Operating Mode Description 20 Display Setting 22 SPECIFICATIONS 23 Table 1 Line Mode Specifications 23 Table 2 Inverter Mode Specifications 24 Table 3 Charge Mode Specifications 24 Table 4 General Speci...

Page 3: ...Incorrect re assembly may result in a risk of electric shock or fire 4 To reduce risk of electric shock disconnect all wires before attempting any maintenance or cleaning Turning off the 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 t...

Page 4: ... LCD setting Configurable battery charging current based on 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...

Page 5: ...tery indicator 5 Fault indicator 6 Function button 7 RS232 port 8 USB port 9 AC input 10 AC output 11 PV input 12 Battery input 13 Input over current protection 14 Parallel communication port only for models with parallel function 15 Power on off switch 16 Installation kit ...

Page 6: ...ter on flammable construction materials 2 Mount on a solid surface 3 Install this inverter at eye level in order to allow the LCD display to be read at all times 4 For proper air circulation to dissipate heat allow a clearance of approx 200 mm to the side and approx 300 mm above and below the unit 5 The ambient temperature should be between 0c and 55 to ensure optimal operation 6 The recommended i...

Page 7: ...rotection installed Please refer to typical amperage in below table as required fuse or breaker size WARNING All wiring must be performed by a qualified personnel WARNINGI It s very important for system safety and efficient operation to use appropriate cable for battery connection To reduce risk of injury please use the proper recommended cable and terminal size as below Ring terminal Recommended ...

Page 8: ...s requires It s suggested to connect at least 200Ah capacity battery for 3kW 5kW model 3 Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are tightened with torque of 2 3 Nm Make sure polarity at both the battery and the inverter charge is correctly connected and ring terminals are tightly screwed to the battery terminals ...

Page 9: ... 32A for 3kW and 50A for 5kW CAUTION There are two terminal blocks with IN and OUT markings Please do not invert 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 lb reduce risk of injury please use the proper recommended cable size as below...

Page 10: ...efore installation Otherwise this inverter charger will trig overload fault and cut off output to protect your appliance but sometimes it still causes internal damage to the air conditioner PV Connection CAUTION Before connecting to PV modules please install separately a DC circuit breaker between inverter and PV modules WARNING All wiring must be performed by a qualified personnel WARNING It s ve...

Page 11: ...ange 90 280Vac PV module configuration Recommended module specification Maximum Power Pmaxl 250W Max Power Voltage Vmpp V 30 9V Max Power Current Impp A 8 42A Open Circuit Voltage Voc V 37 7V Short Circuit Current Isc A 8 89A Recommended PV module configuration Model Solar Input Qty of Panels Total Input Power 3000W DC24V 3 pcs in series and 2 set in parallel 6 pcs 1500W 3000W DC48V 5000W DC48V 6 ...

Page 12: ...cover back by screwing two screws as shown below Communication Connection Please use supplied communication cable to connect to inverter and PC Insert bundled CD into a computer and follow on screen instruction to install the monitoring software For the detailed software operation please check user manual of ...

Page 13: ...OFF When the inverter works in AC mode output is powered on or off by the button If powering the inverter to battery mode must first switch on the button Operation and Display Panel The operation and display panel shown in below chart is on the front panel of the inverter It includes three indicators four function keys and a LCD display indicating the operating status and input output power inform...

Page 14: ...n setting mode go to next selection LCD Display ICONS Icon Function Description Input Source Information and Output Information Indicates the AC information Indicates the DC information Indicate input voltage input frequency PV voltage battery voltage and charger current Indicate output voltage output frequency load in VA load in Watt and discharging current Configuration Program and Fault Informa...

Page 15: ...ther two bars will flash in turns 2 167V cell Bottom three bars will be on and the top bar will flash Batteries are fully charged 4 bars will be on In battery mode it will present battery capacity Load Percentage Battery Voltage LCD Display Load 50 1 717V cell 1 717V cell 1 8V cell 1 8V cell 1 883V cell 1 883 V cell 50 Load 20 1 817V cell 1 817V cell 1 9V cell 1 9 V cell 1 983V cell 1 983 V cell L...

Page 16: ...lect able option 01 Output voltage NOTE When the output voltage is set to 208V the output needs to be derated to 90 02 Output frequency 03 Output source priority To configure load power source priority 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 Solar energy provides power to the loads a...

Page 17: ... only when solar energy is not available 06 Maximum utility charging current 3 5KVA 1 60A Note If setting value in program 07 is smaller than that in program in 06 the inverter will apply charging current from program 07 for utility charger 07 Maximum charging current To configure total charging current for solar and utility chargers Max charging current utility charging current solar charging cur...

Page 18: ... the battery definition mode is CUS customer set type mode the setting point in program 17 3KW 24VDC Default setting 23 0V Set Range 22 26V 3KW 48VDC 5KW 48VDC Default setting 46 0V Set Range 44 52V When the battery definition mode is AGM lead acid battery type FLD water injection battery type mode the setting point in program 17 3KW 24VDC default setting 23 0V Set Range 22 26V 3KW 48VDC 5KW 48VDC...

Page 19: ...n mode is CUS customer set type mode the setting point in program 17 3KW 24VDC Default setting 22 0V Set Range 21 27V 3KW48VDC 5KW48VDC Default setting 44 0V Set Range 42 54V When the battery definition mode is LIB lithium battery type mode the setting point in program 17 3KW 24VDC Default setting 23 8V Set Range 20 6 25V 3KW48VDC 5KW48VDC Default setting 47 6V Set Range 41 2 50V 19 Battery low vo...

Page 20: ...lt setting 154V Set Range 90 154V The setting point in program 04 UPS mode default setting 185V Set Range 170 200V 23 Line High Voltage The setting point in program 04 APP mode default setting 264V Set Range 264 280V The setting point in program 04 UPS mode default setting 264V Fixed value cannot be changed 24 Low Watt Discharge Default setting 8 Hours Set Range 1 8 Hours When the battery voltage ...

Page 21: ...lt is eliminated after the stop try to restart the machine if it fails to restart three times it will continue in the fault state A complete power off screen off is required before the machine can be restarted Fault Code Fault Cause LCD Indication 1 Bus soft start failed 2 Bus high 3 Bus low 5 Inverter transformer over temperature 6 Battery voltage is too high 7 Bus soft failed 8 Bus short Fault 9...

Page 22: ...play Standby mode Power saving mode Note Standby mode The inverter is not turned on but at this time the inverter can charge battery without 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 Charged by utility and PV energy Charged by utility Charged by PV e...

Page 23: ... will also charge the battery at line mode Charged by utility and PV energy Charged by utility If solar first is selected as output source priority and solar energy is not sufficient to provide the load solar energy and the utility will provide the loads and charge the battery at the same time If solar first is selected as output source priority and batteries are not connected solar energy and the...

Page 24: ...rns by pressing UP or DOWN key The selectable information is switched as below order battery voltage battery current inverter voltage inverter current grid voltage grid current load in Watt load in VA grid frequency inverter frequency PV voltage PV charging power PV charging output voltage PV charging current Selectable information LCD display Battery voltage DC discharging current Inverter output...

Page 25: ...l Input Frequency 50Hz 60Hz Auto detection Low Loss Frequency 40Hz 1Hz UPS APP 50Hz 50Hz l Hz UPS APP 60Hz Low Loss Return Frequency 43 5Hz 1Hz UPS 40 5Hz 1Hz APP 50Hz 53 5Hz 1Hz UPS 50 5Hz 1 Hz APP 60Hz High Loss Frequency 60Hz 1Hz UPS 70HZ 1Hz APP 50HZ 70Hz 1Hz UPS 70HZ 1Hz APP z60HZ High Loss Return Frequency 56 5Hz 1Hz UPS 69 5Hz 1Hz APP 50HZ 66 5Hz 1Hz UPS 69 5Hz 1Hz APP 60Hz Output Short Cir...

Page 26: ...Current Nominal Input Voltage 1 120A 1 80A 1 80A Absorption Voltage AGM FLD LIB CUS Battery 25Vdc 50Vdc 50Vdc Flooded battery 25Vdc 50Vdc 50Vdc Floating charging voltage AGM FLD LIB CUS Battery 27 4Vdc 54 8Vdc 54 8Vdc Flooded battery 27 4Vdc 54 8Vdc 54 8Vdc Bulk charging voltage C V voltage AGM FLD LIB CUS Battery 28 8Vdc 57 6Vdc 57 6Vdc AGM FLD LIB CUS Battery 28 4Vdc 56 8Vdc 56 8Vdc Charging Alg...

Page 27: ...ging INVERTER MODEL 3KW DC24V 3KW DC48V 5KW DC48V Solar charging mode MPPT Maximum charging current 60A 80A 80A Default charging current 60A 80A 80A Table 4 General Specifications INVERTER MODEL 3KW DC24V 3KW DC48V 5KW DC48V Safety Certification CE Operating Temperature Range 10 C to 50 C Storage temperature 15 C 60 C Dimension D W H mm 155x335x507 Net Weight kg 7 0 8 5 9 0 ...

Page 28: ...is disconnected Check if battery wires are connected well Buzzer beeps continuously and red LED is on Fault code 14 Overload error The inverter is overload 110 and time is up Reduce the connected load by switching off some equipment Fault code 12 Output short circuited Check if wiring is connected well and remove abnormal load Fault code 5 Internal temperature of inverter component is over 90 Chec...

Page 29: ...KW 300 1054 2107 600 491 1054 900 291 668 1200 196 497 1500 159 402 1800 123 301 2100 105 253 2400 91 219 2700 71 174 3000 63 155 5KW 500 613 1288 1000 268 613 1500 158 402 2000 111 271 2500 90 215 3000 76 182 3500 65 141 4000 50 112 4500 44 100 5000 40 90 Note Backup time depends on the quality of the battery age of battery and type of battery Specifications of batteries may vary depending on dif...