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Charging algorithm for
lead acid battery

Charging algorithm for
Lithium battery

Joint “AC in” and Solar Charging

INVERTER MODEL

4048/60A

5048/60A

4048/80A

5048/80A

Max Charging Current

120A

140A

Default Charging Current

60A

80A

Table 4 General Specifications

INVERTER MODEL

4048/60A

5048/60A

4048/80A

5048/80A

Certification

IEC62109-1, IEC62109-2, SAA180814, CE

Operating Environment

IP20 Indoor use only, avoid direct sunlight

Operating Temperature Range

℃

to 55

℃

Storage temperature

-15

℃

to 60

℃

Back feed current to array

No back feed

Inrush current

40A

Max output fault current

20.9A

26A

Max output overcurrent protection

15.3A

19.1A

Dimension (D*W*H), mm

354 x 272 x 128

528 x295 x141

Net Weight, kg

12.5

13.5

Содержание PV4048 HM

Страница 1: ...maximo USER S MANUAL SOLAR INVERTER PV4048 HM PV5048 HM Version 10 August 2018 Appliances PC TV Air conditioning Fridge Washing machine ...

Страница 2: ...munication Connection 11 Dry Contact Signal 11 Connecting the CAN Cable 11 OPERATION 12 Power ON OFF 12 Operation and Display Panel 12 LCD Display Icons 13 LCD Setting 15 Fault Reference Code 20 Warning Indicator 22 Operating Mode Description 23 Display Setting 25 SPECIFICATIONS 26 Table 1 Line Mode Specifications 26 Table 2 Inverter Mode Specifications 27 Table 3 Charge Mode Specifications 28 Tab...

Страница 3: ...l not reduce this risk 5 CAUTION Only qualified personnel should install this inverter and connect batteries 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 8 Be very cautious when working with metal tools on or around batteries A potential risk exist...

Страница 4: ...ry 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 illustration shows a basic app...

Страница 5: ...n off switch 7 AC input 8 AC output 9 PV input 10 Battery input 11 Circuit breaker 12 RS485 communication port 13 Parallel communication port only for parallel model 14 Parallel switch 15 Dry contact 16 USB 4KVA 5KVA single model NOTE For parallel model installation and operation please check separate parallel installation guide for the details ...

Страница 6: ...STIBLE SURFACE ONLY Install the unit by screwing three screws Do not mount the inverter on flammable construction materials Indoor use only IP 20 rated avoid direct sunlight Mount on a solid surface Install this inverter at eye level in order to allow the LCD display to be read at all times For proper air circulation to dissipate heat allow a clearance of approx 20 cm to the side and approx 30 cm ...

Страница 7: ...m safety and efficient operation to use appropriate cable for battery connection In a parallel system two or three units make the battery cables the same length Model Typical Amperage Battery Capacity Wire Size Ring Terminal Torque Value Cable mm2 Dimensions D mm L mm 4048 66A 200AH 1 4AWG 22 6 4 33 2 2 3Nm 2 8 AWG 14 6 4 29 2 5048 87A 200AH 1 4AWG 22 6 4 33 2 2 3Nm 2 8 AWG 14 6 4 29 2 Please foll...

Страница 8: ... Installation must be performed with care due to high battery voltage in series CAUTION Do not place anything between the flat part 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 isolator be sure posi...

Страница 9: ...le size as below Suggested cable requirement for AC wires Model Gauge Torque Value 4KVA 10AWG 1 4 1 6Nm 5KVA 8AWG 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 3mm 3 Insert AC input...

Страница 10: ...ting to PV modules please install a DC circuit breaker or DC isolator of appropriate size between inverter and PV modules WARNING All wiring must be performed by a qualified person WARNING It s very important for system safety and efficient operation to use appropriate cable size for PV module connection Model Typical Amperage Cable Size Torque 4048 60A 5048 60A 60A 8 AWG 1 4 1 6Nm 4048 80A 5048 8...

Страница 11: ... ty of modules Array output 4048 60A 5048 60A 3S 5P 15 Panels 4050 Watt Voc 113 64 V Isc 46 55 A 4048 80A 5048 80A 3S 6P 18 Panels 4860 Watt Voc 113 64 V Isc 55 86 A Example Array Voc 113 64V coldest temperature 10 Correction Factor 1 14 effective Voc_max 129 5V Use table below to find the appropriate Correction Factor Voltage Correction Factors for Crystalline and Multi Crystalline Silicon PV Mod...

Страница 12: ... no output is powered Close Open Power On output is powered from AC in Close Open Output is powered from Battery or Solar Program 01 set as AC in Battery voltage Low DC warning voltage Open Close Battery voltage Setting value in Program 21 or battery charging reaches floating stage Close Open Program 01is set as SBU SUB solar first Battery voltage Setting value in Program 20 Open Close Battery vol...

Страница 13: ...N position to turn the inverter on 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 information LED Indicator LED Indicator Messages AC INV Green Solid On Output is powered by AC in Line mode ...

Страница 14: ...ve 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 Information Indicates ...

Страница 15: ...lid top bar will flash Batteries are fully charged 4 bars solid 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 8 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 Load 20 1 867V cell 1 867V cell 1 95V cell 1 95V cell 2 033V cell 2 033 V cell Load Informa...

Страница 16: ...gy will supply power to the loads at the same time The battery energy will supply power to the load only if AC power is unavailable If solar power is unavailable AC will charge the battery until the battery voltage reaches setting in point 21 If solar power is available but the battery voltage is lower than the setting in point 20 AC will charge the battery until the battery voltage reaches the se...

Страница 17: ... load only and solar power will charge only the battery AC will provide power to the loads as first priority Solar and battery energy will provide power to the loads only when AC power is not available 02 AC input voltage range Appliances default If selected acceptable AC input voltage range will be within 90 280VAC UPS If selected acceptable AC input voltage range will be within 170 280VAC GEN Wh...

Страница 18: ... Restart enabled 08 Auto restart when over temperature occurs Restart disabled Restart enabled 10 Charger source priority To configure charger source priority If this inverter charger is working in Line Standby or Fault mode charger source can be programmed as below Solar first Solar energy will charge battery as first priority AC will charge the battery only when solar energy is not available Sol...

Страница 19: ...4V for 48Vdc model Increment of each click is 0 1V 18 Floating charging voltage 48V model default setting 54 0V If self defined is selected in program 14 this program can be set up Setting range is from 48 0V to 58 4V for 48Vdc model Increment of each click is 0 1V 19 Low DC cut off battery voltage setting 48V model default setting 40 8V If self defined is selected in program 14 this program can b...

Страница 20: ...splay screen will stay at latest screen user finally switches 23 Backlight control Backlight on Backlight off default 24 Alarm control Alarm on default Alarm off 25 Beeps while primary source is interrupted Alarm on Alarm off default 27 Record Fault code Record enable default Record disable After pressing and holding MENU button for 6 seconds the unit will enter reset model Press UP and DOWN butto...

Страница 21: ...gh 04 battery voltage is too low 05 Output short circuited 06 Inverter output voltage is high 07 Overload time out 08 Inverter bus voltage is too high 09 Bus soft start failed 11 Main relay failed 21 Inverter output voltage sensor error 22 Inverter AC in voltage sensor error 23 Inverter output current sensor error 24 Inverter AC in current sensor error 25 Inverter load current sensor error ...

Страница 22: ...nverter AC in voltage is high 43 Inverter AC in under frequency 44 Inverter AC in over frequency 51 Inverter over current protection error 52 Inverter bus voltage is too low 53 Inverter soft start failed 55 Over DC voltage in AC output 56 Battery connection is open 57 Inverter control current sensor error 58 Inverter output voltage is too low Warning Indicator Warning Code Warning Event Icon flash...

Страница 23: ...d 64 Low battery 67 Overload 70 Output power derating 72 Solar charger stops due to low battery 73 Solar charger stops due to high PV voltage 74 Solar charger stops due to over load 75 Solar charger over temperature 76 PV charger communication error 77 Parameter error ...

Страница 24: ...s charging the battery and providing AC power to the load PV energy power is larger than inverter power PV energy power is smaller than inverter power PV is off Charge state PV energy and generator are charging the batteries Bypass state Error are caused by inside circuit error or external reasons such as over temperature Off Grid state The inverter will provide output power from battery and PV po...

Страница 25: ...low order battery voltage battery current inverter voltage inverter current AC in voltage AC in current load in Watt load in VA AC in frequency inverter frequency PV voltage MPPT charging power MPPT charging output voltage MPPT charging current Selectable information LCD display Battery voltage DC discharging current Inverter output voltage Inverter output current AC in voltage AC in current Load ...

Страница 26: ...turn Voltage 270Vac 7V UPS APL GEN 250Vac 7V VDE Max AC Input Voltage 300Vac Nominal Input Frequency 50HZ 60HZ Auto detection Low Loss Frequency 40HZ 1HZ UPS APL GEN 47 5HZ 0 05HZ VDE Low Loss Return Frequency 42HZ 1HZ UPS APL GEN 47 5HZ 0 05HZ VDE High Loss Frequency 65HZ 1HZ UPS APL GEN 51 5HZ 0 05HZ VDE High Loss Return Frequency 63HZ 1HZ APL GEN UPS 50 05HZ 0 05HZ VDE Output Short Circuit Prot...

Страница 27: ...ency 90 Overload Protection 5s 150 load l0s 110 150 load Surge Capacity 2 rated power for 5 seconds Nominal DC Input Voltage 48Vdc Cold Start Voltage 46 0Vdc Low DC Warning Voltage load 20 20 load 50 load 50 44 0Vdc 42 8Vdc 40 4Vdc Low DC Warning Return Voltage load 20 20 load 50 load 50 46 0Vdc 44 8Vdc 42 4Vdc Low DC Cut off Voltage load 20 20 load 50 load 50 42 0Vdc 40 8Vdc 38 4Vdc High DC Recov...

Страница 28: ...ed battery 56 8 Charging Algorithm 3 Step Flooded Battery Sealed Lead AGM Gel Battery 4 Step LI Solar Charging Mode INVERTER MODEL 4048 60A 5048 60A 4048 80A 5048 80A Rated Power 3000W 4000W Solar Charging Current 60A 80A Efficiency 98 0 max Max PV Array Open Circuit Voltage 145Vdc max PV Array MPPT Voltage Range 64 130Vdc PV Array Isc 60A 80A Min battery voltage for PV charge 34Vdc Standby Power ...

Страница 29: ...cations INVERTER MODEL 4048 60A 5048 60A 4048 80A 5048 80A Certification IEC62109 1 IEC62109 2 SAA180814 CE Operating Environment IP20 Indoor use only avoid direct sunlight Operating Temperature Range 0 to 55 Storage temperature 15 to 60 Back feed current to array No back feed Inrush current 40A 40A Max output fault current 20 9A 26A Max output overcurrent protection 15 3A 19 1A Dimension D W H mm...

Страница 30: ...f input voltage range setting is correct Appliance wide When the unit is turned on internal relay is switched on and off 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 equ...

Страница 31: ...r Appendix Approximate Back up Time Table Model Load VA Backup Time 48Vdc 100Ah min Backup Time 48Vdc 200Ah min 4KVA 400 766 1610 800 335 766 1200 198 503 1600 139 339 2000 112 269 2400 95 227 2800 81 176 3200 62 140 3600 55 125 4000 50 112 5KVA 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...

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