Sigineer Power M3048BP User Manual
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Sigineer Power M3048BP User Manual

Transformerless off grid solar inverter charger
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Transformerless Off Grid
Solar Inverter Charger
User's Manual
For Model:
M3048BP
M5000H-48BP
Version 2.1 (PN:M35202111222)
Manufacturer Information
Sigineer Power Limited
Email: info@sigineer.com
TEL: +86 769 82817616
US Warehouse: 4415 S 32nd St, Phoenix, AZ 85040
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Summary of Contents for Sigineer Power M3048BP

  • Page 1 Transformerless Off Grid Solar Inverter Charger User’s Manual For Model: M3048BP M5000H-48BP Version 2.1 (PN:M35202111222) Manufacturer Information Sigineer Power Limited Email: info@sigineer.com TEL: +86 769 82817616 US Warehouse: 4415 S 32nd St, Phoenix, AZ 85040...

  • Page 2: Table Of Contents

    Appendix 1 : M3048BP M5000H-48BP Solar Inverter Spec Sheet ..............51 Please record the Sigineer Power unit’s model and serial number in case you need to provide this information in the future. It is much easier to record this information now than try to gather it after the unit has been installed.

  • Page 3: Important Safety Information

    www.sigineer.com 1 Important Safety Information Save This Manual! Read this manual before installation, it contains important safety, installation and operating instructions. Keep it in a safe place for future reference. All wiring must follow the National Electric Code, Provincial or other codes in effect at the time of installation, regardless of suggestions in this manual.

  • Page 4: Precautions When Working With Batteries

    2 Introduction 2.1 General Information Thank you for purchasing the M3048BP & M5000H-48BP Off Grid Solar Inverter/Chargers. The M3048BP & M5000H-48BP transformerless Off Grid Solar Inverter/Charger is a combination of 4 products: 1. Transformerless DC to AC power inverter 2. AC to DC utility battery charger 3.

  • Page 5: Mechanical Design

    & amperage, DC/AC transfer conditions, etc. The M3048BP & M5000H-48BP model with 48V DC input and output pure sine wave single phase output. You can get split phase or three phase power by stacking them up to 6 pcs.

  • Page 6: Features

    2.4 Electrical Performance 2.4.1 DC to AC Invert Overload Capacity The M3048BP & M5000H-48BP inverter/charger has different overload capacities, making it ideal to handle demanding loads. 1 For 110%<Load<150%, Fault (Power off) after 10 seconds. 2 For 150%<Load≤200%, Fault (Power off) after the 5 seconds.
  • Page 7 www.sigineer.com helpful if this powerful charger applies charging on a small capacity battery bank. The max charging current decreases according to the input AC voltage. There are three main charging stages: Bulk Charging: This is the initial stage of charging. While Bulk Charging, the charger supplies the battery with controlled constant current.
  • Page 8 The M Series pure sine wave inverter/charger is built with MPPT solar charging modules up to 100A. Model # AC Charging Current MPPT Solar Charger Max Charging Current M3048BP M5000H-48BP 100A 100A The MPPT Solar Charger will automatically work when the inverter is powered off.

  • Page 9: Dc&Ac Transfer

    When AC input voltage drops below 170Vac, the output power will be de-rated linearly to as long as 20% at 90Vac. M5000H-48BP Output Power Rated Power 20% Power 90V 170V 280V Input Voltage M3048BP Output Power Rated Power 20% Power 140V Input Voltage 65V 95V 2.4.4 Power Saver...

  • Page 10: Protections

    www.sigineer.com In “Power saver” mode, the inverter will draw power mainly in sensing moments, thus the idle consumption is reduced from 60 watts to 30 watts. Power Saver On Power Saver Off Power Saver On (Load detected) Note: The minimum power of a load to take inverter out of sleep mode (Power Saver On) is 100 Watts.

  • Page 11: Remote Monitoring

    www.sigineer.com *Wire the AC input power to the AC output terminals. 2.4.6 Remote Monitoring The M series inverter (produced after 2021 Nov) can be remotely monitored and controlled. It supports 4 different types of remote monitoring 1. Plug in the remote LCD panel to the RS485 port. 2.
  • Page 12 www.sigineer.com Green Solid On Battery is fully charged. Flashing Battery is being charged. Solid On Fault occurs in the inverter. Flashing Warning condition occurs in the inverter. Button Description To exit setting mode To go to previous selection DOWN To go to next selection ENTER To confirm the selection in setting mode or to enter setting mode...
  • Page 13 www.sigineer.com Other Information Indicate output source priority: solar first, utility first, SBU mode or SUB mode Indicate warning code or fault code Indicate a warning or a fault is happening Indicate it’s during setting values Indicate the alarm is disabled In AC mode, battery icon will present Battery Charging Status Status Battery voltage...
  • Page 14 www.sigineer.com 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 working. These three signs indicate the output priority. SOL.FIRST indicates solar first. BAT.FIRST indicates battery first.
  • Page 15 Battery provides power to the loads only when solar energy is not sufficient and there is no utility. Program 02: Maximum Charging Current M3048BP model: default 40A, 10A~80A Settable M5000H-48BP model: default 60A, 10A~100A Settable (If Li is selected in program 5, this program can’t be set up) The MPPT charger will stop when charging is completed.
  • Page 16 The program is set to “LI”, the LCD will show a hidden program of 36 about BMS protocol types. There are many lithium battery BMS communication protocols, L01, L02 to L99. For Sigineer Power LFP power walls, the protocol is L01. When the battery type set as “LI”, the maximum charge current can be modified by the user.
  • Page 17 Program 08: AC Output Voltage The AC output voltage between hot and neutral can be set to 208V, 220V, 230V and 240V for M5000H-48BP and 100/110/120Vac for M3048BP. Program 09: AC Output Frequency The AC Output Frequency can be set to 50Hz or 60Hz.
  • Page 18 When enabled, the unit will transfer to line mode if overload occurs in battery mode. Program 19 C.V. Charging Voltage Model # Default Value Resettable Range M3048BP 56.4V 48V~58.4V M5000H-48BP If user-defined setting (USE/US2) is selected in program 5, this program can be set up.
  • Page 19 Program 28 Address setting Default 001. 001-255. Settable. It is for external solar charger expansion. Program 36 Lithium BMS Protocol For Sigineer Power LFP power walls, the protocol is L01. Please refer to “05: LI” for details. Program 37 Real time setting---Year...
  • Page 20 If “Flooded” or “User-Defined” is selected in program 05, this program can be set up. The Equalization is banned for AGM batteries. Program 44 Battery Equalization Voltage Model # Default Value Resettable Range M3048BP 58.4V 48-58.4V M5000H-48BP Program 45 Battery Equalized Time Default 60min, 5min~900min Settable...
  • Page 21 www.sigineer.com Program # Description ICON 01 Power Priority for AC Utility Priority Loads 01 Power Priority for AC Solar Priority Loads 01 Power Priority for AC SBU Priority Loads 01 Power Priority for AC SUB Priority Loads 02 Maximum Charging Max PV+Utility Current Charging Current...
  • Page 22 www.sigineer.com 11 Maximum Utility Charging 10A to Max(default 30A) Current 12 DC to AC Transfer Voltage Default 46.0V, 44.0V~51.2V resettable, 12 DC to AC Transfer Voltage Lithium mode: default 40%, 5%~50% resettable 13 AC to DC Transfer Voltage Default 54.0V, 48.0V~58.0V resettable, 13 AC to DC Transfer Voltage Li mode: default 80%,...
  • Page 23 www.sigineer.com 23 AC Output Mode Split phase 28 RS485 Default 001. 001-255 Communication Address Settable. For external solar charger expansion. 36 Lithium BMS Protocol Default L01 37 Real time setting---Year 38 Real time setting---Month 39 Real time setting---Date 40 Real time setting---Hour 41 Real time setting---Minute 42 Real time setting---Second 43 Battery Equalization...
  • Page 24 www.sigineer.com 49 Utility charging time 50 AC output time LCD Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable information is switched in below order: input voltage, input frequency, PV voltage, MPPT charging current, MPPT charging power, battery voltage, output voltage, output frequency, load percentage, load in VA, load in Watt, DC discharging current, main CPU Version and second MCU Version.
  • Page 25 www.sigineer.com Firmware Version of Inverter PCB and MPPT (CPU1: 040-00-b21; CPU2:041-00-b21) Time (15:20:10, December 15, 2018) The LCD will display different inverter status when the up or down button is pressed. The last page of LCD shows the software version of the inverter PCB. There are 8 digits. Operating Mode Description Operation mode Description...

  • Page 26: Audible Alarm

    www.sigineer.com at line mode. Charging by utility No battery connected Power from battery and PV energy The unit will provide output Battery Mode power from Power from battery only battery and PV power. The inverter is built with automatic PV and utility power wakeup feature. When the power switch is in power off, and qualified PV input, the PV charger will be activated, and the rest part of the inverter will remain powered off.

  • Page 27: Auto Generator Start Dry Contact

    When the battery setting is in “LI” mode, low battery alarm is 5% higher than Low DC Cut-off Soc. 2.4.11 Automatic Recovery Operation For the M3048BP & M5000H-48BP, it is designed with automatic recovery from: ⚫ Overloads shutoff ⚫ Over temperature shutoff ⚫...

  • Page 28: Advanced Utility Charging & Bypass Control With Timer

    Users can also use utility power as to supplement the load consumption to save power. 2.4.13 Advanced Utility Charging & Bypass Control With Timer The M3048BP and M5000H-48BP inverters are designed with a timer to control its AC output power and AC charger at preset time frame.

  • Page 29: Other Features

    The M3048BP and M5000H-48BP inverters will use solar or AC input power to wake up overdischarged lithium battery by a boost circuitry. When they detect a 0V battery, the charger will output a small current of 48Vdc voltage to awaken the lithium batteries.

  • Page 30: Battery Wiring

    DC cable with length from 1 meter to 5 meters. Ring terminal: Maximum Battery Ring Terminal Torque Model# Amperage capacity Wire Size value Cable Dimensions D (mm) L (mm) M3048BP 100AH 1*4 AWG 39.2 2-3Nm 1 x 2AWG 39.2 2-3Nm M5000H-48BP 117A 200AH...
  • Page 31 Recommended breaker specification of battery for each inverter: Model 1 unit M3048BP 100A/60VDC M5000H-48BP 150A / 60VDC *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.
  • Page 32 www.sigineer.com Please follow below steps to implement battery connection: Assemble battery ring terminal based on recommended battery cable and terminal size. Connect all battery packs as units requires. It is suggested to connect at least 200AH capacity battery for 5kva inverter. 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.

  • Page 33: Pv Wiring

    The PV terminal pins can accept cable size up to 8AWG, and the torque for the screws is 1.6Nm. Max. PV Array Open Circuit Voltage is 450Vdc, pls make sure Open circuit Voltage (Voc) of PV modules does not exceed 450V. INVERTER MODEL M3048BP M5000H-48BP Max. PV Array Open Circuit Voltage 250VDC...
  • Page 34 Wiring Instruction for M5000H 230V Single Phase inverter in 120/240 split phase system Sigineer Power’s M5000H-48BP 230V single phase inverter is an international model which can be used in 120/240V Split phase systems in America and also 230Vac single phase systems.

  • Page 35: Communication With Lithium Batteries

    4 Connect Output Hot to AC output Hot1. 5 Connect output Neutral to AC output Hot2. 6 DON’T CONNECT AC INPUT NEUTRAL or load neutral to the inverter. NOTE: The M5000H-48BP can work with Sigineer Power transformer to split the 240Vac into 120/240Vac voltages. CAUTION: Important Be sure to connect AC wires with correct polarity.
  • Page 36 www.sigineer.com Lithium Battery Connection (optional) If choose lithium battery for the inverter, you are allowed to use the lithium battery which has been configured. There're two connectors on the lithium battery, RJ45 port of BMS and power cable. Please follow below steps to implement lithium battery connection: Assemble battery ring terminal based on recommended battery cable and terminal size (same as Lead acid, see section Lead-acid Battery connection for details) .

  • Page 37: Inverter Parallel Operation

    TheM5000H-48BP inverters can be stacked up to 6 pcs to expand output power in 230Vac or create 230/400Vac three phase. The M3048BP can be stacked up to 6 pcs to expand output power in 120Vac or create 120/208Vac three phase.
  • Page 38 www.sigineer.com Three inverters in parallel: Power Wire Connection Communication Wire Connection Four inverters in parallel: Power Wire Connection...
  • Page 39 www.sigineer.com Communication Wire Connection Five inverters in parallel: Power Wire Connection Communication Wire Connection Six inverters in parallel: Power Wire Connection...

  • Page 40: Parallel To Form Three Phase

    www.sigineer.com Communication Wire Connection 3.7.2 Parallel To Form Three Phase One inverter in each phase: Power Wire Connection Communication Wire Connection Two inverters in one phase and only one inverter for the remaining phases: Power Wire Connection...
  • Page 41 www.sigineer.com Communication Wire Connection Two inverters in two phases and only one inverter for the remaining phase: Power Wire Connection Communication Wire Connection...
  • Page 42 www.sigineer.com Three inverters in one phase and only one inverter for the remaining two phases: Power Wire Connection Communication Wire Connection Two inverters in each phase: Power Wire Connection Communication Wire Connection Three inverters in one phase, two inverters in second phase and one inverter for the third phase:...
  • Page 43 www.sigineer.com Power Wire Connection Communication Wire Connection Four inverters in one phase and one inverter for the other two phases: Power Wire Connection Communication Wire Connection WARNING: Do not connect the current sharing cable between the inverters which are in different phases.

  • Page 44: Parallel To Form Split Phase

    www.sigineer.com 3.7.2 Parallel To Form Split Phase One inverter in each phase: Power Connection Communication Connection Two inverters in each phase: Power Connection Communication Connection Three inverters in each phase:...

  • Page 45: Lcd Setting For Parallel Operation

    www.sigineer.com Power Connection Communication Connection 3.7.4 LCD Setting For Parallel Operation Setting Program: Please refer to program 23 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.
  • Page 46 www.sigineer.com Step 5: If there is no more fault alarm, 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. Parallel in three 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...

  • Page 47: Communication With Computer

    www.sigineer.com Parallel in Split 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 all units and configure LCD program 23 as 2P0 on phase1 units, then set as 2P2(or 2P1) on phase2 units: 2P0+2P1: split phase 120V/208V 2P0+2P2: split phase 120V/240V...

  • Page 48: Grounding

    www.sigineer.com 3.9 Grounding Connect an AWG 8 gauge or greater copper wire between the grounding terminal on the inverter and the earth grounding system or the vehicle chassis.

  • Page 49: Maintenance & Troubleshooting

    4 Maintenance & Troubleshooting This troubleshooting guide contains information about how to troubleshoot possible error conditions while using the M3048BP and M5000H-48BP Solar Power Inverter/Chargers. The following chart is designed to help you quickly pinpoint the most common inverter failures.
  • Page 50 www.sigineer.com CAN fault Host loss Warning Indicator Warning Code Warning Event Audible Alarm Icon flashing Fan is locked Beep 3 times every second Over temperature Beep once every second Battery is over-charged Beep once every second Low battery Beep once every second Overload Beep once every 0.5 second Output power derating...
  • Page 51 www.sigineer.com Cell over voltage Beep once every second Cell under voltage Beep once every second Total over voltage Beep once every second Total under voltage Beep once every second Discharge over current Beep once every second Charge over current Beep once every second Discharge over temperature Beep once every second Charge over temperature...
  • Page 52 www.sigineer.com 2.Replace the fan. continuously and red 1.Check whether the air flow of the unit is blocked or LED is on.(Fault code) Internal temperature of component Fault code 02 whether the ambient temperature is too high. is over 100℃. 2.Check whether the thermistor plug is loose. Buzzer beeps once Restart the unit, if the error happens again, please Battery is over-charged.

  • Page 53: Warranty

    Appendix 1 : M3048BP M5000H-48BP Solar Inverter Spec Sheet MODEL #...
  • Page 54 www.sigineer.com 10 ms(Typical) ; 20 ms Max; <30ms 10 ms(Typical) ; 20 ms Max; <30ms Transfer Time Parallel Parallel AC Input Breaker Battery Voltage 48 VDC 48 VDC Output Waveform Pure Sine Wave Pure Sine Wave AC Voltage Regulation (Batt. Mode) 120 VAC ±...
  • Page 55 READ THIS MANUAL BEFORE INSTALLATION, IT CONTAINS IMPORTANT SAFETY, INSTALLATION AND OPERATING INSTRUCTIONS. KEEP IT IN A SAFE PLACE FOR FUTURE REFERENCE. Sigineer Power Limited Email: info@sigineer.com TEL: +86 769 82817616 US Warehouse: 4415 S 32nd St, Phoenix, AZ 85040...

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M5000h-48bp

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