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Summary of Contents for Must EP18-5048
- Page 1 INVERTER/CHARGER 3KW- 5KW Appliances Air- Washing Fridge conditioning machine...
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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 ........................4 Mounting the Unit ......................4 Battery Connection ......................5 AC Input/ Output Connection ....................6... -
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 1. -
Page 4: Introduction
INTRODUCTION This is a multi-function inverter/charger, combining functions of inverter, 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 charger priority, and acceptable input voltage based on different applications. -
Page 5: Product Overview
Product Overview 3KW-5KW single model 3KW-5KW parallel model 1. LCD display 2. Status indicator 3. Charging indicator 4. Fault indicator 5. Function buttons NOTE: For parallel model installation and operation, 6. Power on/off switch please check separate parallel installation guide for 7. -
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 USB cable x 1 Software CD x 1 Preparation Before connecting all wirings, please take off bottom cover by removing two screws as shown below. -
Page 7: Battery Connection
Please refer to typical amperage in below table as required fuse or breaker size. WARNING! All wiring must be performed by a qualified personnel. WARNING! It's very important for system safety and efficient operation to use appropriate cable for battery connection. -
Page 8: Ac Input/Output Connection
CAUTION!! Do not apply anti-oxidant substance on the terminals before terminals are connected tightly. CAUTION!!Before making the final DC connection or closing DC breaker/disconnector, be sure positive (+) must be connected to positive (+) and negative (-) must be connected to negative (-). AC Input/Output Connection CAUTION!! Before connecting to AC input power source, please install a separate AC breaker between inverter and AC input power source. -
Page 9: Final Assembly
Ground (yellow-green) LINE (brown or black) Neutral (blue) WARNING: Be sure to that AC power source is disconnected before attempting to hardwire 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 10: Communication Connection
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. For the detailed software operation, please check user manual of software inside of CD. WARNING:It’s forbidden to use network cable as the communication cable to directly communicate with the PC port. -
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 Function description Icon Input Source Information and Output Information Iindicates the AC information Indicates the DC information Indicate input voltage, input frequency, battery voltage and charger current. Indicate output voltage, output frequency, load in VA, load in Watt and discharging current. Configuration Program and Fault Information Indicates the setting programs Iindicates the warning and fault codes. - Page 13 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% 1.8V/cell~1.883V/cell >1.883 V/cell <1.817V/cell 1.817V/cell~1.9V/cell 50%> Load>20% 1.9 V/cell ~1.983V/cell >1.983 V/cell <1.867V/cell 1.867V/cell~1.95V/cell Load<20% 1.95V/cell~2.033V/cell >2.033 V/cell Load Information Indicates overload. Indicates the load level by 0-24%, 25-49%, 50-74% and 75-100%.
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Page 14: Lcd Setting
LCD Setting After pressing and holding "ENTER" button for 2 seconds, the unit will enter setting mode. Press "UP" or "DOWN" button to select setting programs. And then, press "ENTER" or "MENU" button to confirm the selection and exit. Setting Programs: Program Description Selectable option... - Page 15 60HZ 50HZ(default) Output frequency When the utility is available, if the (default) battery voltage is lower than the setting point in program 21, the energy will never supply to the load or feed into the grid, only charge the battery. If the battery voltage is higher than the setting point in program 21, the energy will supply to the load or feed into the grid...
- Page 16 AGM (default) Flooded LEAD Battery type Lithium Ion User-Defined If "User-Defined" LI is selected, battery charge voltage and low DC cut-off voltage can be set up in program 17, 18 and 19. 48V model default setting: 56.4V Bulk charging voltage If "User-Defined"...
- Page 17 Backlight on Backlight off (default) Backlight control Alarm on (default) Alarm off Alarm control Alarm on Alarm off (default) Beeps while primary source is interrupted Record enable(default) Record disable Record Fault code Saving mode disable If disable, no matter connected load is (default) low or high, the on/off...
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Page 18: Fault Reference Code
Voltage method(default) SOC Percent method BMS control method 20﹪(default) Setting range is from 20﹪ to 100﹪ Battery stop discharging Increment of each click is 1﹪. percent When SOC is ﹪ available Setting range is from 20﹪ to 100﹪ 95﹪(default) Battery stop charging Increment of each click is 1﹪. -
Page 19: Warning Indicator
Inverter grid over current error Inverter radiator over temperature Inverter grid voltage is low Inverter grid voltage is high Inverter grid under frequency Inverter grid over frequency Inverter over current protection error Inverter bus voltage is too low Inverter soft start failed Over DC voltage in AC output Battery connection is open Inverter control current sensor error... -
Page 20: Operating Mode Description
Operating State Description Operating State Description LCD display Sell state Battery energy is sold back to grid. Note: *Sell mode: The system generates electricity form the batteries, supplying power to your home and sending any excess power back to the grid. Match load state Converter by the inverter to the AC load. -
Page 21: Specifications
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(APL,GEN);170Vac±7V(UPS); 186Vac±7V(VDE) Low Loss Return Voltage 100Vac±7V(APL,GEN);180Vac±7V(UPS); 196Vac±7V(VDE) High Loss Voltage 280Vac±7V(UPS,APL,GEN); 253Vac±7V(VDE) High Loss Return Voltage 270Vac±7V(UPS,APL,GEN);... - Page 22 Table 2 Inverter Mode Specifications INVERTER MODEL Rated Output Power 3000W 4000W 5000W Output Voltage Waveform Pure Sine Wave Output Voltage Regulation 230Vac±5% Output Frequency 60Hz or 50Hz Peak Efficiency 5s@≥150% load; 10s@110%~150% load Overload Protection Surge Capacity 2 x rated power for 5 seconds Nominal DC Input Voltage 48Vdc Cold Start Voltage...
- Page 23 Table 3 Charge Mode Specifications Utility Charging Mode INVERTER MODEL 3KW~5KW Charging Current @ Nominal Input 1~60A Voltage AGM / Gel/LEAD 54.8Vdc Floating charging Battery voltage Flooded battery 54.8Vdc AGM / Gel/LEAD Bulk charging 57.6Vdc Battery voltage (C.V voltage) Flooded battery 56.8Vdc Charging Algorithm 3-Step(Flooded Battery, AGM/Gel/LEAD Battery),4-Step(LI)
- Page 24 Table 4 General Specifications INVERTER MODEL Safety Certification Operating Temperature Range -10°C to 50°C Storage temperature -15°C~ 60°C Dimension (D*W*H), mm 488 x 295 x 141 Net Weight, kg 10.0...
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Page 25: Trouble Shooting
TROUBLE SHOOTING Explanation / Possible cause LCD/LED/Buzzer Problem What to do LCD/LEDs and buzzer Unit shuts down will be active for 3 The battery voltage is too low 1. Re-charge battery. automatically during seconds and then ( < 1.91V/Cell) 2. Replace battery. startup process. -
Page 26: Appendix: Approximate Back-Up Time Table
Appendix: Approximate Back-up Time Table Load(W) Backup Time@48Vdc 100Ah(min) Backup Time@48Vdc 200Ah(min) Model 1054 2107 1054 1200 1500 1800 2100 2400 2700 3000 1610 1200 1600 2000 2400 2800 3200 3600 4000 1288 1000 1500 2000 2500 3000 3500 4000 4500 5000 Note: Backup time depends on the quality of the battery, age of battery and type of battery. - Page 28 INVERTER/CHARGER Pleasedownloadthesoftware“SolarPowerMonitor2.2.81”. China:https://cn.must-ee.com Oversea:https://en.must-ee.com 4200-010318-03A1...
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