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.
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.
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 ...
2. Connect all battery packs as units requires. It’s suggested to connect at least 200Ah capacity battery for 3KW model and at least 200Ah capacity battery for 5KW model. 3. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are tightened with torque of 2-3 Nm.
AC input power source. This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input. The recommended spec of AC breaker is 30A for 3KW, 50A for 5KW. CAUTION!! There are two terminal blocks with “IN” and “OUT” markings. Please do NOT mis-connect input and output connectors.
WARNING: Be sure 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.
PV Module Selection: When selecting proper PV modules, please be sure to consider below parameters: 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. battery voltage. Solar Charging Mode INVERTER MODEL 145Vdc...
Remote Display Panel Installation The LCD panel can be removable and installed in a remote site with an optional communication cable. Please follow below steps to implement this remote panel installation. Step 1. Loosen the screw on the two sides of bottom case and push up the case cover. Then, remove screw on the top of the display panel.
Communication Connection Serial 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. Bluetooth Connection This series is built in Bluetooth technology.
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.
LCD Display Icons Icon Function description Input Source Information Indicates the AC input. Indicates the PV input Indicate input voltage, input frequency, PV voltage, charger current, charger power, battery voltage. Configuration Program and Fault Information Indicates the setting programs. Indicates the warning and fault codes. Warning: flashing with warning code.
Page 15
1.892V/cell ~ 1.975V/cell 1.975V/cell ~ 2.058V/cell > 2.058V/cell Load Information Indicates overload. Indicates the load level by 0-24%, 25-49%, 50-74% and 75-100%. 0%~24% 25%~49% 50%~74% 75%~100% Mode Operation Information Indicates unit connects to the mains. Indicates unit connects to the PV panel. Indicates load is supplied by utility power.
LCD Setting ” After pressing and holding “ button for 3 seconds, the unit will enter setting mode. Press “ ” or “ ” button to select setting programs. And then, press “ ” button to confirm the selection or “ ”...
Page 17
60A (default) 3KW model setting range is from Maximum charging current: 10A to 120A and increment of To configure total charging each click is 10A. current for solar and utility 5KW model setting range is from chargers. 10A to 140A and increment of (Max.
Page 18
“SBU” (SBU priority) or “SUB” (Solar 3KW model setting range is from 22.0V to 28.5V and increment of first) in program 01 each click is 0.5V. 5KW model setting range is from 44.0V to 57.0V and increment of each click is 1.0V.
Page 19
5KW model: The setting range is from 48.0V to 64.0V and increment of each click is 1.0V. Setting voltage point back Battery fully charged 54.0V (default) to battery mode when selecting “SBU” (SBU priority) or “SUB” (Solar first) in program 01 SbL: Solar energy for Solar energy charges battery first battery first...
Page 20
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 21
(C.V voltage) If self-defined is selected in program 5, this program can be set up. Setting range is from 24.0V to 32.0V for 3KW model and 48.0V to 64.0V for 5KW model. Increment of each click is 0.1V. 3KW default setting: 27.0V 5KW default setting: 54.0V...
Page 22
3KW default setting: 29.2V 5KW default setting: 58.4V Battery equalization voltage Setting range is from 24.0V to 32.0V for 3KW model and 48.0V to 64.0V for 5KW model. Increment of each click is 0.1V. 60min (default) Setting range is from 5min to 900min.
Page 23
For minute setting, the range is from 00 to 59. Time setting – Minute For hour setting, the range is from 00 to 23. Time setting – Hour For day setting, the range is from 00 to 31. Time setting– Day For month setting, the range is from 01 to 12.
Display Setting The LCD display information will be switched in turns by pressing “ ” or “ ” button. 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 25
AC and PV charging current=50A PV charging current=50A Charging current AC charging current=50A 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 26
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 27
PV energy generated Today = 3.88kWh, Load output energy Today = 9.88kWh. PV energy generated today and Load output energy today PV energy generated this month = 388kWh, Load output energy this month = 988kWh. PV energy generated this month and Load output energy this month.
Page 28
Main CPU version 00014.04. Main CPU version checking. Secondary CPU version 00003.03. Secondary CPU version checking. Bluetooth version 00003.03. Bluetooth version checking. SCC version 00003.03. SCC 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 batteries.
Page 30
Charging by utility The unit will provide output power from the utility. PV Bypass/ECO Mode energy and utility can charge No charging batteries. Charging by utility and PV energy. The unit will provide output power from the mains. It will Line Mode also charge the battery at Charging by utility.
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 or over temperature is detected by internal converter components. Output voltage is too high.
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 33
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.
SPECIFICATIONS Table 1 Line Mode Specifications INVERTER MODEL Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac Low Loss Voltage 110Vac± 7V Low Loss Return Voltage 120Vac± 7V High Loss Voltage 280Vac± 7V High Loss Return Voltage 270Vac± 7V Max AC Input Voltage 300Vac Nominal Input Frequency...
Table 2 Battery Mode Specifications INVERTER MODEL 3KVA/3KW 5KVA/5KW Rated Output Power Pure Sine Wave Output Voltage Waveform 230Vac± 5% Output Voltage Regulation 50Hz or 60Hz Output Frequency Peak Efficiency Overload Protection 5s@≥150% load; 10s@105%~150% load 2* rated power for 5 seconds...
Table 4 ECO/Bypass Mode Specifications Bypass Mode INVERTER MODEL Input Voltage Waveform Sinusoidal (utility or generator) Low Loss Voltage 176Vac± 7V Low Loss Return Voltage 186Vac± 7V High Loss Voltage 280Vac± 7V High Loss Return Voltage 270Vac± 7V Nominal Input Frequency 50Hz / 60Hz (Auto detection) Low Loss Frequency 46(56)±...
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.
Need help?
Do you have a question about the 3KW and is the answer not in the manual?
Questions and answers