MPP Solar 3000W-120V User Manual
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MPP Solar 3000W-120V User Manual

3kva/3kw lv inverter / charger
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User Manual
3KVA/3KW LV
INVERTER / CHARGER
Version: 1.0

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Summary of Contents for MPP Solar 3000W-120V

  • Page 1 User Manual 3KVA/3KW LV INVERTER / CHARGER Version: 1.0...

  • Page 2: Table Of Contents

    Table Of Contents ABOUT THIS MANUAL ............................. 1 Purpose ................................1 Scope ................................1 SAFETY INSTRUCTIONS ..........................1 INTRODUCTION ............................... 2 Features ................................2 Basic System Architecture ..........................2 Product Overview ............................. 3 INSTALLATION ..............................4 Unpacking and Inspection..........................4 Preparation ..............................

  • Page 3: About This Manual

    ABOUT THIS MANUAL Purpose This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read this manual carefully before installations and operations. Keep this manual for future reference. Scope This manual provides safety and installation guidelines as well as information on tools and wiring. SAFETY INSTRUCTIONS WARNING: This chapter contains important safety and operating instructions.

  • Page 4: Introduction

    INTRODUCTION This is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.

  • Page 5: Product Overview

    Product Overview NOTE: For parallel installation and operation, please check the parallel installation guide for the details. 1. LCD display 2. Status indicator 3. Charging indicator 4. Fault indicator 5. Function buttons 6. Power on/off switch 7. AC input 8. AC output 9.

  • Page 6: Installation

    INSTALLATION Unpacking and Inspection Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items inside of package:  The unit x 1  User manual x 1  Communication cable x 1 ...

  • Page 7: Battery Connection

    Install the unit by screwing three screws. It’s recommended to use M4 or M5 screws. Battery Connection CAUTION: For safety operation and regulation compliance, it’s requested to install a separate DC over-current protector or disconnect device between battery and inverter. It may not be requested to have a disconnect device in some applications, however, it’s still requested to have over-current protection installed.

  • Page 8: Ac Input/Output Connection

    WARNING: Shock Hazard 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.

  • Page 9: Pv Connection

    L→LINE (brown or black) N→Neutral (blue) 5. Make sure the wires are securely connected. 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 restart because it’s required to have enough time to balance refrigerant gas inside of circuits.

  • Page 10: Final Assembly

    3. Make sure the wires are securely connected. Final Assembly After connecting all wirings, please put bottom 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.

  • Page 11: Operation

    OPERATION Power ON/OFF Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch (located on the button of the case) to turn on the unit. 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.

  • Page 12: Lcd Display Icons

    LCD Display Icons Icon Function description Input Source Information Indicates the AC input. Indicates the PV input Indicate input voltage, input frequency, PV voltage, battery voltage and charger current. Configuration Program and Fault Information Indicates the setting programs. Indicates the warning and fault codes. Warning: flashing with warning code.

  • Page 13: Lcd Setting

    In battery mode, it will present battery capacity. Load Percentage Battery Voltage LCD Display < 1.717V/cell 1.717V/cell ~ 1.8V/cell Load >50% 1.8 ~ 1.883V/cell > 1.883 V/cell < 1.817V/cell 1.817V/cell ~ 1.9V/cell 50%> Load > 20% 1.9 ~ 1.983V/cell > 1.983 <...
  • Page 14 button to select setting programs. And then, press “ENTER” button to confirm the selection or ESC button to exit. Setting Programs: Progra Description Selectable option Escape Exit setting mode Utility will provide power to the Utility first (Default) loads as first priority. Solar and battery energy will provide power to the loads only when utility power is not...
  • Page 15 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 If selected, programs of 02, 26, 27 and 29 will be automatically set up.
  • Page 16 Maximum utility 30A (default) charging current Note: If setting value in program 02 is smaller than that in program in 11, the Setting range is 2A, then from 10A to 80A. Increment of each click is inverter will apply 10A. charging current from program 02 for utility charger.
  • Page 17 Alarm on (default) Alarm off Alarm control Return to default display screen If selected, no matter how users (default) switch display screen, it will automatically return to default display screen (Input voltage Auto return to /output voltage) after no button default display screen is pressed for 1 minute.
  • Page 18 phase or it’s up to four inverters L1 phase: 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 L2 phase: phase and “3P3”...
  • Page 19 60min (default) Setting range is from 5min to Battery equalized 900min. Increment of each click time is 5min. 120min (default) Setting range is from 5min to Battery equalized 900 min. Increment of each click timeout is 5 min. 30days (default) Setting range is from 0 to 90 Equalization interval days.

  • Page 20: Display Setting

    Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable input voltage, input frequency, PV voltage, MPPT charging current, information is switched as below order: MPPT charging power, charging current, charging power, battery voltage, output voltage, output frequency, load percentage, load in VA, load in Watt, DC discharging current, main CPU Version and second CPU Version.
  • Page 21 AC and PV charging current=50A Charging Current PV charging current=50A AC charging current=50A Charging current AC and PV charging power=500W PV charging power=500W Charging power AC charging power=500W Battery voltage=25.5V, output voltage=230V Battery voltage and output voltage...
  • Page 22 Output frequency=50Hz Output frequency Load percent=70% Load percentage When connected load is lower than 1kVA, load in VA will present xxxVA like below chart. Load in VA When load is larger than 1kVA (≧1KVA), load in VA will present x.xkVA like below chart. When load is lower than 1kW, load in W will present xxxW like below chart.

  • Page 23: Operating Mode Description

    Battery voltage=25.5V, discharging current=1A Battery voltage/DC discharging current Main CPU version 00014.04 Main CPU version checking Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Charging by utility. Standby mode Note: No output is supplied by the *Standby mode: The inverter unit but it still can charge is not turned on yet but at this...
  • Page 24 Charging by utility and PV energy. Charging 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 The unit will provide output provide the loads and charge the battery at the power from the mains.

  • Page 25: Fault Reference Code

    Power from PV energy only. The unit will provide output Battery Mode power from battery and PV power. Fault Reference Code Fault Code Fault Event Icon on Fan is locked when inverter is off. Over temperature Battery voltage is too high Battery voltage is too low Output short circuited.

  • Page 26: Warning Indicator

    Warning Indicator Warning Warning Event Audible Alarm Icon flashing Code Fan is locked when Beep three times every inverter is on. second Over temperature None Battery is over-charged Beep once every second Low battery Beep once every second Overload Beep once every 0.5 second Output power derating Beep twice every 3 seconds PV energy is low...

  • Page 27: Battery Equalization

    BATTERY EQUALIZATION Equalization function is added into charge controller. It reverses the buildup of negative chemical effects like stratification, a condition where acid concentration is greater at the bottom of the battery than at the top. Equalization also helps to remove sulfate crystals that might have built up on the plates. If left unchecked, this condition, called sulfation, will reduce the overall capacity of the battery.
  • Page 28 However, in Equalize stage, when battery equalized time is expired and battery voltage doesn’t rise to battery equalization 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 29: Specifications

    SPECIFICATIONS Table 1 Line Mode Specifications MODEL 3000W-120V Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 120Vac 90Vac± 7V (UPS) Low Loss Voltage 80Vac± 7V (Appliances) 100Vac± 7V (UPS); Low Loss Return Voltage 90Vac± 7V (Appliances) High Loss Voltage 140Vac±...
  • Page 30 Table 2 Inverter Mode Specifications MODEL 3000W-120V Rated Output Power 3KVA/3KW Output Voltage Waveform Pure Sine Wave Output Voltage Regulation 120Vac± 5% Output Frequency 60Hz or 50Hz Peak Efficiency Overload Protection 100ms@≥205% load;5s@≥150% load; 10s@110%~150% load Surge Capacity 2* rated power for 5 seconds...
  • Page 31 Table 3 Charge Mode Specifications Utility Charging Mode MODEL 3000W-120V Charging Current (UPS) @ Nominal Input Voltage Flooded 29.2 Bulk Charging Battery Voltage AGM / Gel 28.8 Battery Floating Charging Voltage 27.6Vdc Overcharge Protection 33Vdc Charging Algorithm 3-Step Battery Voltage, per cell Charging Current, % 2.43Vdc (2.35Vdc)

  • Page 32: Trouble Shooting

    TROUBLE SHOOTING Problem LCD/LED/Buzzer Explanation / Possible cause What to do Unit shuts down LCD/LEDs and buzzer automatically will be active for 3 The battery voltage is too low 1. Re-charge battery. during startup seconds and then (<1.91V/Cell) 2. Replace battery. process.

  • Page 33: Appendix I: Parallel Function

    Appendix I: Parallel function 1. Introduction This inverter can be used in parallel with two different operation modes. 1. Parallel operation in single phase with up to 9 units. The supported maximum output power is 27KW/27KVA. 2. Maximum nine units work together to support three-phase equipment. Seven units support one phase maximum.
  • Page 34 a connector or bus-bar as a joint to connect the battery cables together, and then connect to the battery terminal. The cable size used from joint to battery should be X times cable size in the tables above. “X” indicates the number of inverters connected in parallel.
  • Page 35 Three inverters in parallel: Power Connection Communication Connection Four inverters in parallel: Power Connection Communication Connection...
  • Page 36 Five inverters in parallel: Power Connection Communication Connection Six inverters in parallel: Power Connection Communication Connection...
  • Page 37 Seven inverters in parallel: Power Connection Communication Connection ❸ ❹ ❺ ❻ ❼ ❶ ❷ Eight inverters in parallel: Power Connection Communication Connection ❸ ❹ ❺ ❻ ❼ ❽ ❶ ❷ Nine inverters in parallel: Power Connection Communication Connection ❽ ❾...
  • Page 38 5-2. Support 3-phase equipment Three inverters in each phase: Power Connection Communication Connection ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❶ ❷ Three inverters in one phase, three inverters in second phase and two inverter for the third phase: Power Connection Communication Connection ❽...
  • Page 39 Three inverters in one phase, two inverters in second phase and two inverters for the third phase: Power Connection Communication Connection ❶ ❷ ❸ ❹ ❺ ❻ ❼ Two inverters in each phase: Power Connection Communication Connection...
  • Page 40 Seven inverters in one phase and one inverter for the other two phases: Power Connection Note: It’s up to customer’s demand to pick 7 inverters on any phase. P1: L1-phase, P2: L2-phase, P3: L3-phase. Communication Connection ① ② ③ ⑤ ⑥...
  • Page 41 Three inverters in one phase, two inverters in second phase and one inverter for the third phase: Power Connection Communication Connection Three inverters in one phase and only one inverter for the remaining two phases: Power Connection Communication Connection...
  • Page 42 Two inverters in two phases and only one inverter for the remaining phase: Power Connection Communication Connection Two inverters in one phase and only one inverter for the remaining phases: Power Connection Communication Connection...
  • Page 43 One inverter in each phase: Power Connection Communication Connection WARNING: Do not connect the current sharing cable between the inverters which are in different phases. Otherwise, it may damage the inverters. 5-3. Support split-phase equipment Three inverters in each phase: Communication Connection...
  • Page 44 Two inverters in each phase: Power Connection Communication Connection One inverter in each phase: Power Connection Communication Connection 6. PV Connection Please refer to user manual of single unit for PV Connection. CAUTION: Each inverter should connect to PV modules separately.
  • Page 45 7. LCD Setting and Display Setting Program: Program Description Selectable option When the units are used in parallel Single: with single phase, please select “PAL” in program 28. It is required to have at least 3 inverters or maximum 6 inverters to Parallel: support three-phase equipment.
  • Page 46 Fault code display: Fault Code Fault Event Icon on Power feedback protection Firmware version inconsistent Current sharing fault CAN fault Host loss Synchronization loss Battery voltage detected different AC input voltage and frequency detected different AC output current unbalance AC output mode setting is different Code Reference: Code Description...
  • Page 47 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. Support three-phase equipment Step 1: Check the following requirements before commissioning: Correct wire connection ...
  • Page 48 Support split-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: Turn on all units and configure LCD program 28 as 2P1 and 2P2 sequentially. And then shut down all units.
  • Page 49 9. Trouble shooting Situation Fault Solution Fault Event Description Code Restart the inverter. Check if L/N cables are not connected reversely in all inverters. For parallel system in single phase, make sure the sharing are Current feedback into connected in all inverters. the inverter is For supporting three-phase or split-phase system, make sure the detected.

  • Page 50: Appendix Ii: Bms Communication Installation

    Appendix II: BMS Communication Installation 1. Introduction If connecting to lithium battery, it is recommended to purchase a custom-made RJ45 communication cable. Please check with your dealer or integrator for details. This custom-made RJ45 communication cable delivers information and signal between lithium battery and the inverter.
  • Page 51 Restart Multiple group condition. It’s required to set up master battery on the take effect second group with this setting and slave batteries are unrestricted. Multiple group condition. It’s required to set up master battery on the third group with this setting and slave batteries are unrestricted. Multiple group condition.
  • Page 52 Step 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.
  • Page 53 6. Code Reference Related information code will be displayed on LCD screen. Please check inverter LCD screen for the operation. Code Description Action If battery status is not allowed to charge and discharge after the communication between the inverter and battery is successful, it will show code 60 to stop charging and discharging battery.

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