MPP Solar HYBRID LV 6048 User Manual

MPP Solar HYBRID LV 6048 User Manual

Inverter / charger

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User Manual
HYBRID LV 6048
INVERTER / CHARGER
Version: 1.0

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Table of Contents
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Summary of Contents for MPP Solar HYBRID LV 6048

  • Page 1 User Manual HYBRID LV 6048 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-functional inverter/charger, combining the functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support with portability. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, priority setting for AC/solar charger, and acceptable input voltage setting to suit different applications.
  • Page 5: Product Overview

    Product Overview 1. Battery connector 2. Power on/off switch 3. Dry contact 4. USB communication port 5. RS232 communication port 6. PV input 7. Parallel communication port (only for parallel model) 8. Current sharing port (only for parallel model) 9. Parallel ID (Please check chapter 6 in Parallel Function for setting details.) 10.
  • 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 the package: The unit Mounting plate Fixing screws RS-232 cable USB cable Software CD User manual Current sharing cable Parallel communication cable...
  • Page 7: Battery Connection

    Value Cable Dimensions D (mm) L (mm) 1*1/0AWG 49.7 HYBRID LV 6048 220A 200AH 5~6 Nm 2*4AWG 49.7 Please follow the steps below to implement the battery connection: 1. Assemble battery ring terminal based on recommended battery cable and terminal size.
  • Page 8 4. Connect all battery packs as below chart. 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.
  • Page 9: Ac Input/Output Connection

    Suggested cable requirement for AC wires Model Gauge Torque Value HYBRID LV 6048 10 AWG 1.4~ 1.6Nm There are three applications for different AC input as shown in the figure below. For phase angle operation, please refer to LCD #28 When the phase angle between L1 and L2 is 0°.
  • Page 10 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 from the six conductors. And short-circuit phase L and neutral conductor N 3 mm.
  • Page 11: Pv Connection

    NOTICE! When only one MPPT is used, please use MPPT1 first. Model Typical Amperage Cable Size Torque HYBRID LV 6048 8 AWG 1.4~1.6 Nm PV Module Selection: When selecting proper PV modules, please be sure to consider the parameters below: 1.
  • Page 12: Final Assembly

    Final Assembly After connecting all wirings, please put the bottom cover back by fixing 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 the on-screen instructions to install the monitoring software. For the detailed software operations, please check user manual of software inside the CD.
  • Page 13: 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 bottom of the inverter) to turn on the unit. Operation and Display Panel The operation and display panel, as shown in the chart below, are on the front panel of the inverter. It includes three indicators, four function keys and an LCD display, indicating the operating status and input/output power information.
  • Page 14: Lcd Display Icons

    LCD Display Icons Icon Function description Input Source Information Indicates the AC input. Indicates the PV input Indicates the input 1 and output 1 data. Indicates the input 2 and output 2 data. Indicates input voltage, input frequency, PV voltage, battery voltage and charger current.
  • Page 15 bar will flash. In floating mode, batteries are fully charged. 4 bars will be on. 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 <...
  • Page 16: Lcd Setting

    LCD Setting After pressing and holding the ENTER button for 3 seconds, the unit will enter setting mode. Press “UP” or “DOWN” button to select setting programs. And then, press “ENTER” button to confirm the selection or ESC button to exit. Setting Programs: Program Description...
  • Page 17 60A (default) 100A 110A 120A 130A Maximum charging 140A 150A current: To configure the total charging current for solar and utility chargers. (Max. charging current = utility charging current + 160A 170A solar charging current) 180A 190A 200A 210A 220A Appliances (default) If selected, acceptable AC input voltage range will be within...
  • Page 18 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. Restart disable Restart enable (default) Automatically restart when overload occurs Restart disable Restart enable (default) Automatically restart when over temperature occurs 110V 120V (default)
  • Page 19 Battery fully charged 48.0V 49.0V 50.0V 51.0V 52.0V Setting voltage point back to battery mode when selecting “SBU priority” or 53.0V 54.0V “Solar first” in program 01. 55.0V 56.0V 57.0V 58.0V 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...
  • Page 20 Return to default If selected, no matter how users display screen switch display screen, it will (default) automatically return to default display screen (Input voltage /output voltage) Automatically return to after no button is pressed for 1 default display screen minute.
  • Page 21 Support L2 phase output Support L3 phase output on on 3-Phase application. 3-Phase application. Output voltage Output voltage is 120V. is 120V. AC output mode *This setting is able to set Support L1/L2 phase output on split Support L1/L2 phase up only when the inverter phase application with L1 to L2 is in standby mode.
  • Page 22 When “ALL” is selected, parallel or 3-phase system will continue working according to rule of “solar first” setting only when all of inverters are connected to PV modules. For example, two units are All of Inverters: connected in parallel and set “SOL” in output source priority.
  • Page 23: Display Setting

    120min (default) Setting range is from 5min to 900 min. Battery equalized timeout Increment of each click is 5 min. 30days (default) Setting range is from 0 to 90 days. Equalization interval Increment of each click is 1 day Enable Disable (default) If equalization function is enabled in program 33, this program can be set up.
  • Page 24 AC Input 2 frequency=50Hz, AC output 2 frequency=50Hz AC Input 2 frequency /AC output 2 frequency PV1 voltage=60V , PV1 Power = 200W MPPT Input 1 Charging current / MPPT Input 1 Charging power PV2 voltage=60V ,PV2 Power = 200W MPPT Input 2 Charging current / MPPT Input 2 Charging power Load 1 Watt=200W, Load 1 percent=6%...
  • Page 25 Load 1 in Watt=500W, Load 1 in VA=600VA Load 1 in Watt/ Load 1 in VA Load 2 in Watt = 500W, Load 2 in VA=600VA Load 2 in Watt/ Load 2 in VA Charging current=25A, Battery voltage=56.0V DC charging current / Battery voltage Battery voltage=53.0V, discharging current=1A Battery voltage/ DC discharging current Main CPU version 00014.04...
  • Page 26: Operating Mode Description

    Secondary CPU version: 00003.03 Secondary CPU version checking Operating Mode Description Operation mode Description LCD display Charging by utility. Charging by PV energy. 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 Charging by PV energy and utility the batteries.
  • Page 27: Fault Reference Code

    Charging by PV energy Charging by utility. The unit will provide output power from the mains. It Line Mode will also charge the battery in line mode. Charging by PV energy and utility Power from battery and PV energy. The unit will provide output Battery Mode power from battery and PV Power from battery only.
  • Page 28: Warning Indicator

    Over current or surge Bus voltage is too low Inverter soft start failed Over DC voltage in AC output Battery connection is open Current sensor failed Output voltage is too low Internal circuit mismatch Parallel ID missing Parallel ID in conflict Working mode synchronization loss Warning Indicator Warning...
  • Page 29: Specifications

    SPECIFICATIONS Table 1: Line Mode Specifications INVERTER MODEL HYBRID LV 6048 Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 110/120Vac(L-N or L1-N-L2) 95Vac± 7V (UPS) Low Loss Voltage 65Vac± 7V (Appliances) 100Vac± 7V (UPS); Low Loss Return Voltage 70Vac±...
  • Page 30 Table 2: Inverter Mode Specifications INVERTER MODEL HYBRID LV 6048 6KVA/6KW Rated Output Power Pure Sine Wave Output Voltage Waveform 110/120Vac(L-N or L1-N-L2) Output Voltage Regulation 60Hz or 50Hz Output Frequency Peak Efficiency Overload Protection 5s@≥150% load; 10s@110%~150% load 2* rated power for 5 seconds...
  • Page 31 Charging Curve Solar Charging Mode(Per number of MPPT) INVERTER MODEL HYBRID LV 6048 Rated Power 4000 W x 2 Max. efficiency Max. PV Array Open Voltage 145Vdc PV Array MPPT Voltage Range 60~115Vdc Min. battery voltage for PV charge 34Vdc Standby Power Consumption <23W...
  • Page 32: Troubleshooting

    TROUBLESHOOTING 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 the battery. during startup seconds and then (<1.91V/Cell) 2. Replace the battery. process.
  • Page 33: Appendix I: Approximate Back-Up Time Table

    Appendix I: Approximate Back-up Time Table Model Load (VA) Backup Time @48Vdc 200Ah (min) Backup Time @48Vdc 400Ah (min) 1226 2576 1000 1226 1500 2000 2500 HYBRID 6048 3000 3500 4000 4500 5000 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 34: Appendix Ii: Parallel Function

    Appendix II: Parallel function 1. Introduction This inverter can be used in parallel with four different operation modes. 1. Parallel operation in single phase with up to three units. The supported maximum output power is 18KW/18KVA. 2. Maximum three units work together to support split phase equipment. The supported maximum output power is 18KW/18KVA.
  • Page 35 Recommended cable size of AC input and output for each inverter: Model AWG no. Torque HYBRID LV 6048 10 AWG 1.4~1.6Nm You need to connect the cables of each inverter together. Take the battery cables for example: You need to use a connector or bus-bar as a joint to connect the battery cables together, and then connect it to the battery terminal.
  • Page 37 4-1. Parallel Operation in Single phase One inverter in single phase: Power Connection L1 L2 Load Note:NO Communication Connection Two inverters in parallel: Power Connection L1 L2 L1 L2 Load Communication Connection ❶ ❷...
  • Page 38 Three inverters in parallel: Power Connection L1 L2 L1 L2 L1 L2 Load Communication Connection ❶ ❷ ❸ 4-2. Support split phase equipment One inverter in split phase (Line to Line output voltage is 240V): Power Connection Load Note:NO Communication Connection...
  • Page 39 Two inverters in parallel (Line to Line output voltage is 240V): Power Connection Load Communication Connection ❶ ❷ Three inverters in parallel (Line to Line output voltage is 240V): Power Connection Load...
  • Page 40 Communication Connection ❶ ❷ ❸ 4-3. Support two of the three-phase equipment One inverter in two of the three-phase (Line to Line output voltage is 208V): Power Connection Load Note:NO Communication Connection Two inverters in parallel (Line to Line output voltage is 208V): Power Connection Load...
  • Page 41 Communication Connection ❶ ❷ Three inverters in parallel (Line to Line output voltage is 208V): Power Connection Load Communication Connection ❶ ❷ ❸...
  • Page 42 4-4. Support 3-phase equipment One inverter in each phase Power Connection L1 L2 L1 L2 L1 L2 Load Communication Connection ❶ ❷ ❸ WARNING: Do NOT connect the current sharing cables between the inverters in different phases. Otherwise, it may damage the inverters. NOTE: For parallel model operation, please refer to LCD program 28 5.
  • Page 43 Parallel ID Setting It’s necessary to set up parallel ID for each inverter. Parallel ID * Not used...
  • Page 44 7. LCD Setting and Display Setting Program: Program Description Selectable option Parallel output in single When the units are used in parallel for phase. Output voltage is single phase application, please select “2A0” in program 28. L1 to L2 output 120V.
  • Page 45 When “ONE” is selected, as long as one of the 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 One Inverter (Default): parallel and set “SOL”...
  • Page 46 8. Commissioning Parallel in single phase Step 1: Check the following requirements before installation: Correct wire connection  Ensure all breakers in Line wires at load side are open and each Neutral wires of each unit is connected  together. Step 2: Turn on all of the units and configure LCD program 28 as 2A0.
  • 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. Parallel in two of three-phase Step 1: Check the following requirements before installation: Correct wire connection ...
  • Page 48 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 icon will flash and they will not work in line mode.
  • Page 49 9. Troubleshooting If the device fails to function as expected, check the list of common faults below before consulting the service center. 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 current sharing cables Current feedback into are connected to all inverters.

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