User Manual – UCG Solar 3KVA Inverter
Contents
1. connector 8 in Diagram 2 pg 9 of the invert er through one DC switch Note Reverse connection is dangerous Power input wires for the models with grid standby function 1 Grid power cables 220V should be connected to the power inverter via circuit breakers according to the AC input socket 13 in Diagram 2 pg 9 Note The circuit breaker for inverters can not be used together with any other loads Power output wires 1 The power output wires should be connected to the AC output socket 12 in Diagram 2 pg 9 2 The output wires should avoid any short circuits 3 The load should be limited to the rated power capacity of the inverter ON OFF Before turning on the inverter please re check all cables and terminals are properly con nected the loads connect should abide to the following rules 1 Purely resistive loads the maximum rated power of loads should not be over the inverter rated power 2KW 2 Purely inductive loads the maximum rated power of loads should not be over the invert er rated power of 40 800W 3 Resistive and inductive mixed loads the maximum rated power should not be over the inverter rated power of 50 1KW www ucgsolar com Installation Method and Operations 1 Turn on the general switch 9 in Diagram 2 pg 9 The LCD will show POWER OFF After turning on the general switch the inverter starts initializing the system 2 Push the start buttons on2. the front panel after 30s 2 in Diagram 1 pg 8 3 After 2s the inverter starts outputting AC power the LCD show EMERGENCY POWER 4 Press the screen page button on the right side of the LCD 6 in Diagram 1 pg 8 the LCD will show system OK 5 Press the screen page button on the right side of the LCD 6 in Diagram 1 pg 8 again the LCD will show information of AC input AC output loads and battery When one dis play cycle finishes press the screen page button to start next cycle 6 Turn on the loads 7 To shut down the inverter turn off the switches of the loads and then turn off the inverter general switch 9 in Diagram 2 pg 9 Notice When the inverter shuts off due to the protection features for under voltage overloads or over temperature Turn off the general switch 9 in Diagram 2 pg 9 ONLY turn it on after the problem is identified and resolved Corporate 1 888 417 9312 7 Structure and Function Description Front Panel Diagram 1 UCG3KVA single phase 3KVA inverter OVE Sack le ere LED Display Show for AC DC voltage and load status Start Button Used to start and shut down the machine Charging Indicator Valid when charging function is available Inverter Indicator It is ON when Inverter is functioning Fault Indicator It is ON when there is a fault also the inverter stops working Screen Page Button To view the data and stop thei
3. UCGS LAR User Manual Brief Introduction UCG3KVA pure sine wave power inverter is made of high quality power frequency transformers advanced CPU control technology IGBT tubes or FUJI IGBT modules combined with DSP technology to generate sine wave power source Inverters with IGBT and DSP technology are characterized of wide load range fast response anti interference low self consumption high efficiency etc They are regarded as the best choice for areas without grid power or for solar wind generator systems Application Area Computer systems communications systems precision instruments precision machine tools railways shipping hospitals shopping malls schools families travel alarm system widely used for solar and wind power generation equipments Also when connected with a direct external maintenance free battery bank it can be used as an EPS Emergency power system Attention 1 When utilizing UCG3kva inverter the switch time between grid power and battery power is less than 1s so it s not suitable for the loads which requires switch time to be less than 20ms Per customer s request UCG3kva inverter can be customized to 0 switch time Please mention the need for this feature when ordering 2 UCG3KVA inverters can be used within industrial and commercial sectors it can be applied to all kinds of loads normally the max starting current of the loads should not exceed 2 5 times of the inverter r
4. ated current 2 www ucgsolar com Safety Please take note of the following safety measures which also applies to inverter loads Please read the details carefully and reserve it for future reference lle To avoid electric shock without the guide of a technician do not open the cover of the inverter or pull the input and output terminals When functioning the inverter input output cables should be arranged in proper order to avoid any cable damage Inverter power supply lines must be ground connected to avoid electric shock Don t connect the inverter ground lines to heating pipes water pipelines gas pipelines and other public facilities to avoid violating the rights of the third party Don t connect the ground line and neutral line If connected together or reversely connected it may cause abnormal working of the inverter or lead to electric shock When the battery voltage is higher than 48V in order for safety installation and future easy maintenance should connect in series with one high current DC switch between batteries and inverter For the inverter with AC input grid charger please connect in series with one power switch between grid and inverter to ensure safety In avoid fire caused by overload please don t overload the inverter with appliances Corporate 1 888 417 9312 3 Main Data Single Phase PModel vc S pSpecss aA Overload protection 2 4KW 120 of the rated po
5. r calls Diagram 1 Front panel 1 LED display 2 Start button 3 Charging Indicator 4 Inverter Indicator 5 Fault indrcator 6 Screen page button www ucgsolar com Structure and Function Description Back side Diagram 2 UCG3KVA single phase 3KVA inverter 7 Positive connector of the battery 8 Negative connector of the battery 9 General switch 10 Positive connector of the solar panel 11 Negative connector of the solar panel 12 AC output socket 13 AC input grid socket 14 Vent for cooling fan 7 8 10 11 Diagram 2 Back side 7 Positive connector of the battery 8 Negative connector of the battery 9 General switch 10 Positive connector of the solar panel 11 Negative connector of the solar panel 12 AC output socket 13 AC input grid socket 14 Vent of cooling fan Corporate 1 888 417 9312 9 Structure and Function Description LCD Display POWER OFF EMERGENCY POWER 1 The display shows the status within 30s 2 The display shows the status after press after turn on general switch please press the start button the inverter working normally the start button after 30s and with a gap their calls SYSTEM OK 3 The display show the status after first press the screen page button and at the same time the their calls gone 4 The display shows the status when press the screen page button again EMERGENCY POWER EMERGENCY POWER OVER TEMP OVER LOAD 5 The inverter has no AC outpu
6. t and with 6 The inverter has no AC output and with their calls means the temperature is over their calls means over loads or over current the highest working temperature and the and the over loads over current protection over temperature protection works works 10 www ucgsolar com Need to Contact Us ER CUSTOMER SERVICE g If you have questions about one or our products please call one of our offices listed below or email us at info ucgsolar com US Corporate Office 7411 Riggs Road Suite 208 Adelphi Maryland 20783 Phone 1 888 417 9312 f Imo State Nigeria Office 49 MCC Road Owerri Imo State Phone 083801311 Corporate 1 888 417 9312 11 UCG Solar Corporate Office 7411 Riggs Road Suite 208 Adelphi Maryland 20783 Powering the World 7411 Riggs Road Suite 208 Accra North Ghana Adelphi Maryland 20783 233208116862 1 888 417 9312 Ikota Shopping Complex Suite A77 VGC Lekki Lagos 016284773 49 MCC Road Owerri Imo State 083801311 www ucgsolar com
7. wer 10 sec onds Under voltage protec 42VDC 87 5 of battery rated voltage tion gt 80 full load Working Environment Temperature 0 20 540 Relative Humid ity 30 90 Dimension 430 220 340mm Weight 42Kg The UCG3KVA is a off grid inverter please do not connect the AC output to the grid Power DC Voltage Wire of DC AC voltage Wire of AC Single phase 48V 16mm2 220V 1 5mm2 3000VA Attentions Moving i 2 S Don t move the inverter in reverse Handle the inverter slowly avoid crash Before moving turn off the inverter and remove all wires Installation place lle 2 Put the inverter on a flat ground or spot Put the inverter in a well ventilated place at least 50cm surrounding space in one meter range of the inverter should not have combustible material or heat source Avoid sun rain and damp Put far away from fire Do not place objects on the inverter Do not put the inverter in a place with corrosive gas Best working Temperature 0 40 Corporate 1 888 417 9312 5 Installation Method and Operations Before wiring please turn the general switch off 9 in Diagram 2 pg 9 Wires between the battery and Inverter 1 According to the input DC voltage 48VDC requirements of inverter connect the posi tive red wire and negative black wire of the batteries to relative terminals positive connector 7 in Diagram 2 and negative
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