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Related Manuals for Micno 3kW DC24V
Summary of Contents for Micno 3kW DC24V
- Page 1 USER MANUAL 3.5KW/5.5KW SOLARE INVERTER/CHARGER...
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Page 2: Table Of Contents
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 ..................................4 Mounting the Unit ................................ -
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. The following cases are not within the scope of warranty. -
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. Line indicator 3. INV indicator 4. Battery indicator 5. Fault indicator 6. Function button 7. RS232 port 8. USB port 9. AC input 10. AC output 11. PV input 12. Battery input 13. Input over current protection 14. -
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 Preparation Before connecting all wires, please Remove two screws as shown below. -
Page 7: Battery Connection
To reduce risk of injury, please use the proper recommended cable and terminal size as below. Ring terminal: Recommended battery cable and terminal size: Model Typical Amperage Wire Size Cable mm Torque Value Ring Terminal Dimensions D (mm) L (mm) 3kW DC24V 118A 1*2AWG 39.2 3kW DC48V 1*6AWG 39.2 5kW DC48V 118A 1*2AWG 39.2... - Page 8 Please follow below steps to implement battery connection: 1. Assemble battery ring terminal based on recommended battery cable and terminal size. 2. Connect all battery packs as units requires. It's suggested to connect at least 200Ah capacity battery for 3kW~5kW model.
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Page 9: Ac Input/Output Connection
WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC input connection, lb reduce risk of injury, please use the proper recommended cable size as below. Suggested cable requirement for AC wires Model Gauge Torque Value 3KW DC24V 12 AWG 1.2~ 1.6Nm 3KW DC48V 12 AWG 1.4~ 1.6Nm... -
Page 10: Pv Connection
WARNING: Be sure to that AC power source is disconnected before attempting to hard-wire it to the unit. 4. Then, insert AC output wires according to polarities indicated on terminal block and tighten terminal screws. Be sure to connect PE protective conductor @ )first. ... - Page 11 Maximum PV module numbers in Series: Vmpp of PV module*X pcs = Best Vmp of Inverter or Vmp range PV module numbers in Parallel: Max. charging current of inverter/Impp Total PV module numbers=maximum PV module numbers in series*PV module numbers in parallel. Solar Charging Mode 3KW DC24V 3KW DC48V 5KW DC48V INVERTER MODEL...
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Page 12: Final Assembly
3. Make sure the wires are securely connected. Final Assembly After connecting all wires, 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 13: Operation
software inside of CD. WARNING: It is forbidden to use network cable as the communication cable to directly communicate with the PC port. Otherwise, the internal components of the controller will be damaged. WARNING: RJ45 interface is only suitable for the use of the company's supporting products or professional operation. Below chart show RS45 pins definition. -
Page 14: Lcd Display Icons
Battery is in float charge. Yellow Flash Battery is in constant voltage charge. Not in charge Fault occurs. FAULT Flash Warning occurs. No fault or alarm Function keys Function Keys Description Return to previous level. Increase the setting value. DOWN Decrease the setting value. - Page 15 Indicate battery level by 0-24%, 25%-49%, 50-74% and 75-100% in battery mode and charging status in line mode In AC mode, it will present battery charging status Status Battery voltage LCD Display ＜2V/cell 4 bars will flash in turns Constant Current 2V/cell~2.083V/cell mode/Constant Voltage mode Bottom bar will be on and the other three...
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Page 16: Lcd Setting
Indicates unit connects to the mains. Indicates unit connects to the PV panel. Indicates load is supplied by utility power. Indicates the solar charger circuit is working. Indicates the DC/AC inverter circuit is working. Mute Operation Indicates unit alarm is disabled. LCD Setting After pressing and holding "ENTER"... - Page 17 Utility provides power to the loads only when battery voltage drops to either low-level warning voltage or the setting point in program 15. If selected, acceptable AC input AC input voltage voltage range will be within 90-280VAC. range If selected, acceptable AC input voltage range will be within 170-280VAC.
- Page 18 Auto restart when Restart disable (default) Restart enable over temperature occurs Beeps while primary Alarm on (default) Alarm off source is interrupted Power Saving OFF (default) Power Saving ON Low power power saving Bypass disable (default) Bypass enable Overload bypass: When enabled, the unit will transfer to line mode if overload...
- Page 19 When the battery definition mode is AGM (lead-acid battery type), FLD (water injection battery type) mode:the setting point in program 17. 3KW 24VDC 3KW 48VDC/5KW 48VDC Default setting : 26.0V Default setting : 52.0V Set Range : 24-29V Set Range : 48-58V When the battery definition mode is LIB (lithium battery type) mode: the setting point in program 17.
- Page 20 When the battery definition mode is CUS (customer set type) mode: the Battery Constant setting point in program 17. Voltage 3KW 24VDC 3KW48VDC/5KW48VDC Default setting : 28.2V Default setting : 56.4V Set Range : 28-29V Set Range : 48-60V When the battery definition mode is LIB (lithium battery type) mode: the setting point in program 17.
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Page 21: Fault Reference Code
values) interface will display OFF again. Setting conditions: It can be set in mains mode and standby (standby: no output but bright screen state). It cannot be set in battery mode. Fault Reference Code Fault: The inverter enters the fault mode, the LED red light is always on, and the LCD displays the fault code. The alarm code ALA flashes and the buzzer beeps for Is and stops for 1 minute. -
Page 22: Operating Mode Description
Warning Code Warning Event Icon Flashing Battery terminal Battery under Battery low Battery charge short Battery over charge Over temperature Fan fault EEPROM Fault Over load warning PV energy weak Operating Mode Description Operating Mode Description LCD display Standby mode/ Power saving No output is supplied by the unit, Charged by utility and PV energy. - Page 23 Fault mode: Errors are caused by inside circuit error or external reasons such as over temperature, output short circuited and so on. Charged by utility. Charged by PV energy. No charging. Line Mode The unit will provide output power Charged by utility and PV energy. from the mains.
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Page 24: Display Setting
Battery Mode The unit will provide output power Power from battery and PV energy. from battery and PV power. PV energy will supply power to the loads and charge battery at the same time. Power from battery only. Power from PV energy only. Display Setting The LCD display information will be switched in turns by pressing "UP"... -
Page 25: Specifications
PV voltage and power PV charger output voltage and PV charging current SPECIFICATIONS Table 1 Line Mode Specifications INVERTER MODEL 3kW/5kW Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac Low Loss Voltage 90Vac±7V(APP); 170Vac±7V(UPS) Low Loss Return Voltage 100Vac±7V(APP)；... - Page 26 Table 2 Inverter Mode Specifications INVERTER MODEL 3KW DC24V 3KW DC48V 5KW DC48V Rated Output Power 3000W 3000W 5000W Output Voltage Waveform Pure Sine Wave Output Voltage Regulation 230Vac±5% Output Frequency 60Hz or 50Hz Peak Efficiency >93% Overload Protection 60S@102%~110% load; 10S@110%~130% load; 3s@130%~150 load; 200ms@>150% load;...
- Page 27 Charging Algorithm 17-Step(Battery Type , AGM/FLD/UB/CUS Battery) Charging algorithm for lead acid battery Charging algorithm for lithium battery Joints Utility and Solar Charging INVERTER MODEL 3KW DC24V 3KW DC48V 5KW DC48V Solar charging mode MPPT Maximum charging current Default charging current...
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Page 28: Trouble Shooting
Trouble shooting Problem LCD/LED/Buzzer Explanation / Possible cause What to do Unit shuts down LCD/LEDs and buzzer will The battery voltage is too low (< 1. Re-charge battery. automatically during be active for 3 seconds and 2. Replace battery. 1.91V/Cell) startup process. - Page 29 Model Load(W) Backup Time@24Vdc 100Ah(min) Backup Time@24Vdc 200Ah(min) 1100 1200 1500 1800 2100 2400 2700 3000 Model Load(W) Backup Time@48Vdc 100Ah(min) Backup Time@48Vdc 200Ah(min) 1054 2107 1054 1200 1500 1800 2100 2400 2700 3000 1288 1000 1500 2000 2500 3000 3500 4000 4500...
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