Crown Micro X-3.6KW-M User Manual
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Crown Micro X-3.6KW-M User Manual

Hybrid inverter with mppt solar charger
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USER MANUAL
X-3.6KW-M / X-5.6KW-M
Hybrid Inverter
With MPPT Solar Charger
Version: 1.0

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Summary of Contents for Crown Micro X-3.6KW-M

  • Page 1 USER MANUAL X-3.6KW-M / X-5.6KW-M Hybrid Inverter With MPPT Solar Charger Version: 1.0...

  • Page 2: Table Of Contents

    Table Of Contents ABOUT THIS MANUAL ............................2 Purpose ................................2 Scope ................................2 SAFETY INSTRUCTIONS ........................... 2 INTRODUCTION ..............................3 Features ................................3 Basic System Architecture ..........................3 Product Overview ............................. 4 INSTALLATION ..............................5 Unpacking and Inspection..........................5 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, 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 1. LCD display 2. Function keys 3. Power on/off switch 4. AC input 5. AC output 6. PV input 7. Battery input 8. Circuit breaker 9. USB communication port 10. RS-232 communication port...

  • 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

    Recommended battery cable and terminal size: Ring Terminal Typical Cable Torque Model Wire Size Dimensions Amperage Value D (mm) L (mm) X-3.6KW-M 167A 2*4AWG 33.2 1*2AWG 39.2 5 Nm X-5.6KW-M 129.6A 2*4AWG 33.2 Please follow below steps to implement battery connection: 1.

  • Page 8: Ac Input/Output Connection

    Make sure polarity at both the battery and the inverter is correctly connected and ring terminals are secured to the battery terminals. X-3.6KW-M/ X-5.6KW-M X-5.6KW-M WARNING: Shock Hazard Installation must be performed with care due to high battery voltage in series.
  • Page 9 WARNING: Be sure that AC power source is disconnected before attempting to hardwire it to the unit. 4. This inverter is equipped with dual-output. There are four terminals (L1/N1, L2/N2) available on output port. It’s set up through LCD program or monitoring software to turn on and off the second output. Refer to “LCD setting”...

  • Page 10: Pv Connection

    PV Connection CAUTION: Before connecting to PV modules, please install separately DC circuit breakers between inverter and PV modules. NOTE1: Please use 600VDC/30A circuit breaker. NOTE2: The overvoltage category of the PV input is II. Please follow the steps below to implement PV module connection: WARNING: Because this inverter is non-isolated, only three types of PV modules are acceptable: single crystalline and poly crystalline with class A-rated and CIGS modules.
  • Page 11 1. Open circuit Voltage (Voc) of PV modules not exceeds max. PV array open circuit voltage of inverter. 2. Open circuit Voltage (Voc) of PV modules should be higher than min. Start-up Voltage. INVERTER MODEL X-3.6KW-M X-5.6KW-M 4000W 6000W Max. PV Array Power Max.

  • Page 12: Final Assembly

    Take the 555Wp PV module as an example. After considering above two parameters, the recommended module configurations are listed in the table below. Solar Panel Spec. SOLAR INPUT Total input Q'ty of panels (reference) Min in series: 2 pcs, max. in series: 11 pcs. power - 555Wp 2pcs in series...

  • Page 13: Operation

    Step 1: The module contains four strong magnetics backing and can be easily be placed on the side of the inverter. Step 2: Please use one RJ45 to RS-232 communication cable to connect an inverter and Wi-Fi module as below chart. OPERATION Power ON/OFF Side view of unit...

  • Page 14: Lcd Display Icons

    LCD Display Icons Icon Function description Input Source Information Indicates the AC input voltage and frequency. Indicates the PV voltage, current and power. Indicates the battery voltage, charging stage, configured battery parameters, charging or discharging current. Configuration Program and Fault Information Indicates the setting programs.
  • Page 15 Battery Information Indicates battery level by 0-24%, 25-49%, 50-74% and 75-100% in battery mode and charging status in line mode. When battery is charging, it will present battery charging status. Status Battery voltage LCD Display <2V/cell 4 bars will flash in turns. The right bar will be on and the other three bars Constant 2 ~ 2.083V/cell...
  • Page 16 Indicates setting program 01 “Output source priority” is selected as “Utility first”. Indicates setting program 01 “Output source priority” is selected as “Solar first”. Indicates setting program 01 “Output source priority” is selected as “SBU”. AC Input Voltage Range Setting Display Indicates setting program 03 is selected as “...

  • Page 17: Lcd Setting

    LCD Setting After pressing and holding 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 18 Appliances (default) If selected, acceptable AC input voltage range will be within 90-280VAC. AC input voltage range If selected, acceptable AC input voltage range will be within 170-280VAC. AGM (default) Flooded Battery type 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.
  • Page 19 220V 230V (default) Output voltage 240V Maximum utility charging 30A (default) current Setting range is 2A, then from 10A Note: If setting value in program 02 is smaller than to 100A. Increment of each click is that in program in 11, the 10A.
  • Page 20 Available options in 5.6KW model: Battery fully charged 54V (default) Setting voltage point back to battery mode when selecting “SBU” (SBU priority) in program 01. Setting range is from 48V to 58V. Increment of each click is 1V. Solar first Solar energy will charge battery as first priority.
  • Page 21 Return to default display If selected, no matter how users screen (default) switch display screen, it will automatically return to default display screen (Input voltage /output voltage) after no button is pressed for 1 minute. Auto return to default display screen Stay at latest screen If selected, the display screen will stay at latest screen user finally...
  • Page 22 3.6KW default setting: 28.2V 5.6KW default setting: 56.4V Bulk charging voltage (C.V voltage) If self-defined is selected in program 5, this program can be set up. Setting range is from 25.0V to 31.5V for 3.6KW model and 48.0V to 61.0V for 5.6KW model. Increment of each click is 0.1V. 3.6KW default setting: 27.0V 5.6KW default setting: 54.0V Floating charging voltage...
  • Page 23 3.6KW default setting: 29.2V 5.6KW default setting: 58.4V Battery equalization voltage Setting range is from 25.0V to 31.5V for 3.6KW model and 48.0V to 61.0V for 5.6KW model. Increment of each click is 0.1V. 60min (default) Setting range is from 5min to 900min.
  • Page 24 Enable Disable (default) Solar energy feed to grid configuration (It’s requested to enter password) If “User-defined” is selected in 3.6KW default setting: program 05, this setting range is 21.0V from 21.0V to 31.5V for 24V model. Increment of each click is 0.1V. Low DC cut off voltage on If “User-defined”...

  • Page 25: Display Setting

    Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable information is switched as below order: input voltage, input frequency, PV voltage, charging current, charging power, battery voltage, output voltage, output frequency, load percentage, load in Watt, load in VA, load in Watt, DC discharging current, main CPU Version.
  • Page 26 Battery voltage=50.4V, Low DC cut-off voltage=44.0V, Discharging current=48A output voltage=230V, output frequency=50Hz Load in VA=2.4kVA, Output frequency=50Hz L1 output voltage/output frequency, load in VA, load in Watt, L2 output voltage/output frequency switch every 5 second Load in Watt=2.4kW, Output frequency=50Hz...
  • Page 27 L2 output voltage=230V, L2 output frequency=50 Second output (L2) is off. L2 output voltage=0, L2 output frequency=0 Hz Main CPU version 30.03 Main CPU version checking...

  • Page 28: Operating Mode Description

    Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Charging by utility. Standby mode Note: No output is supplied *Standby mode: The inverter by the unit but it still is not turned on yet but at this can charge batteries.
  • Page 29 Operation mode Description LCD display Grid is available. Fault mode Note: *Fault mode: Errors are No charging at all no caused by inside circuit error matter if grid or PV PV power is available. or external reasons such as power is available. over temperature, output short circuited and so on.
  • Page 30 Operation mode Description LCD display If “SUB” (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 either “SUB”...

  • Page 31: Battery Equalization Description

    Operation mode Description LCD display PV energy will supply power to the loads and charge battery at the same time. No utility is available. Power from battery only. The unit will provide Battery Mode output power from battery and PV power. Power from PV energy only.
  • Page 32 1. Setting equalization interval in program 35. 2. Active equalization immediately in program 36. When to Equalize  In float stage, when the setting equalization interval (battery equalization cycle) is arrived, or equalization is active immediately, the controller will start to enter Equalize stage. Equalize charging time and timeout ...

  • Page 33: Fault Reference Code

    Fault Reference Code Fault Code Fault Event Icon on Fan is locked when inverter is off. Over temperature or NTC is not connected well. Battery voltage is too high Battery voltage is too low Output short circuited or over temperature is detected by internal converter components.

  • Page 34: Warning Indicator

    Warning Indicator Warning Warning Event Audible Alarm Icon flashing Code Beep three times every Fan is locked when 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 35: Clearance And Maintenance For Anti-Dust Kit

    CLEARANCE AND MAINTENANCE FOR ANTI-DUST KIT Overview Every inverter is already installed with anti-dusk kit from factory. Inverter will automatically detect this kit and activate internal thermal sensor to adjust internal temperature. This kit also keeps dusk from your inverter and increases product reliability in harsh environment.

  • Page 36: Specifications

    SPECIFICATIONS Table 1 Line Mode Specifications INVERTER MODEL X-3.6KW-M X-5.6KW-M Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac 170Vac± 7V (UPS); Low Loss Voltage 90Vac± 7V (Appliances) 180Vac± 7V (UPS); Low Loss Return Voltage 100Vac± 7V (Appliances) High Loss Voltage 280Vac±...
  • Page 37 Table 2 Inverter Mode Specifications INVERTER MODEL X-3.6KW-M X-5.6KW-M Rated Output Power 3.6KVA/3.6KW 5.6KVA/5.6KW Pure Sine Wave Output Voltage Waveform 230Vac± 5% Output Voltage Regulation 50Hz Output Frequency Peak Efficiency Overload Protection 5s@≥130% load; 10s@105%~130% load 2* rated power for 5 seconds...
  • Page 38 Table 3 Charge Mode Specifications Utility Charging Mode INVERTER MODEL X-3.6KW-M X-5.6KW-M Charging Algorithm 3-Step AC Charging Current (Max) 100Amp (@V =230Vac) Bulk Charging Flooded Battery 29.2 58.4 Voltage AGM / Gel Battery 28.2 56.4 Floating Charging Voltage 27Vdc 54Vdc...

  • Page 39: 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 40: Appendix I: Approximate Back-Up Time Table

    Appendix I: Approximate Back-up Time Table Model Load (VA) Backup Time @ 24Vdc 100Ah (min) Backup Time @ 24Vdc 200Ah (min) 99.2 1200 1500 X-M-3.6KW 1800 2100 2400 2700 3200 3600 Model Load (VA) Backup Time @ 48Vdc 100Ah (min) Backup Time @ 48Vdc 200Ah (min) 1030 1000...

  • Page 41: Appendix Ii: The Wi-Fi Operation Guide

    Appendix II: The Wi-Fi Operation Guide 1. Introduction Wi-Fi module can enable wireless communication between off-grid inverters and monitoring platform. Users have complete and remote monitoring and controlling experience for inverters when combining Wi-Fi module with Crown Monitor App, available for both iOS and Android based device. All data loggers and parameters are saved in iCloud.
  • Page 42 Step:2 Local Wi-Fi Module Configuration In the Home Screen, tap “Wi-Fi Configuration” to access Wi-Fi Settings. There are detailed setup procedure listed below “How to Connect?” section. You may follow it to connect Module to Wi-Fi. How to Connect? 1. Enter the phone system Settings WLAN 2.
  • Page 43 Then Return to “Crown Monitor App” and tap button, when Wi-Fi module is connected successfully. Step 3: Wi-Fi Network Settings: icon to select your local Wi-Fi Router name (to access the Internet) and enter password. Step 4: Tap "Confirm" to complete the Wi-Fi configuration between the Wi-Fi module and the Internet. If the Connection Fails, please Repeat Step1 and Step2...
  • Page 44 Step 5: Login Successful After Successful Login, User can access "Dashboard" page to Monitor currently Running devices. User can Monitor overall situation and Energy information for Current power and Today power as below diagram.

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X-5.6kw-m

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