Solar Sine Wave Inverter
Contents
1. Protection function Short circuit protection a Sandi Solar Sine Wave Inverter www lgis cc 5 LCD display explanation 5 1 LCD display description Right key Up key Down Key Enter and confirm Menu 5 2 Indicator of LED light function There has 5 LED light in the panel Grid Run Fault Auto Manual Indicator description A Grid AC bypass priority mode it indicates the AC grid input condition B Run Battery priority mode it indicates the battery supply condition C Fault System fault D Auto Inversion running it indicates the inverter work normally E Manual Variable frequency mode the inverter work with variable frequency mode running 6 LCD parameter description Inverter power on the first interface display parameter press down key to display as following 4 item DC IN DC input voltage display AC OUT AC output voltage display AC OUT Output current display Freq Output frequency display A andi soursinewaeimener wwwlgisee _ AC INPUT AC bypass input U V Bypass phase voltage OUT Total generated amounts W KWH Generated amounts E Inv State Inverter working state DCU OVER DC over voltage DCU UNDER DC under voltage OVER LOAD Over load MOD Module error Fault display N indicate no error and Y indicate with error OUTErr Output voltage unbalance gt This error only for 3 phase output single phase output without this error display Fault alarm can be2. 2 4 Please don t make change to the circuit line privately when regular checking in case of damage 2 5 It s a normal phenomenon that the inverter has a certain degree of fever during the use process but should keep the environment of installation ventilated cooling and clean especially can t block air ventilator 2 6 The inside all CMOS components of the machine can t touch when the circuit is powered on don t connect or disconnect the wires and terminals 2 After connect all wires please must be carefully check voltage value positive and negative pole are consistency grounding is well 2 8 Even if the all switch on the panel is OFF but inverter s part of capacitor still electric please don t touch 2 9 When take with motor and pump or other inductive loads the inverter had best leave 30 of the power margin should be considered the impact current to the machine to ensure reliable power supply to inverter 3 Regular checking To ensure SDP series inverter continuously and normally running it is required regular maintenance usually every six months for regular inspections Before opening the cover of cabinet maintenance should completely cut off the power and shut down inverter 10 minutes or longer after capacitors end discharging then can proceed maintenance the machine inside has many capacitors and discharge need some time be careful not to damage any parts and components pay attention to the order of wiri
3. divided into automatic recovery and non automatic recovery When the LCD screen display MOD error and overload need to manually recovery turn off the DC circuit breaker until the LCD screen is completely extinguished and then turn on the DC circuit breaker over voltage under voltage can automatic recovery the under voltage recovery default setting is 10 minutes can set according to the customer needs Keypad function 1 Running Info Running state display 2 Inv Start Mode Inverter Start mode 3 Work Modes Working Mode 4 Parameter Set System parameter setting 10 A Sandt ssursinewaetmener wuer _ Press 2 Inv Start Mode display as following 1 Voltage Constant frequency step down voltage Starting mode 2 Frequency Variable frequency starting mode Y YES N NO Press 3 Work Modes display as following 1 Inv Battery priority mode 2 Bypass AC bypass priority mode Y YES N NO Time Display current time and date Tem Environmental temperature display Press 4 Parameter Set need to enter password lt If you want to adjust the parameter setting please contact the manufacturer ask for password lt When inverter is working please don t adjust parameters setting If you want to adjust parameter setting please turn off start button t hen operation 11 RY Sandi Solar Sine Wave Inverter www lgis cc lt The following settings only for professionals operation the non prof
4. electric shock please do not disassemble the machine When you need to maintain please find and seek support from the professionals 10 The machine will have heating which is the normal condition But it should keep good ventilation and clean and tidy in the installation place 11 Please keep the manual instruction well for the future reference ay Sandi Solar Sine Wave Inverter www lgis cc 2 Product outside view Main engine Main engine a i Lee Ne M Transformer Front view Side view Back view lt Product size and shape varies from different power model it s subject to the actual size confirmation A Sandi ssursinevareimener _wwwlgisce 3 Product Introduction Characteristic Two types of start mode Step down Voltage Start and Variable Frequency Start Customers can set start mode according to the nature of their load If the inverter take inductive load especially for taking motor the instantaneous start current of motor is very big then inverter s power need enlarge many times However our this new inverter don t need enlarge too many power you could set Variable Frequency Start to take your inductive load easily This function is very convenient for users and also reduce frequency converter s usage which reduced the cost of equipment investment also easy to connect wires and control The output frequency can be set For example if you want to control the motor speed 30Hz you could set the freq
5. splashing water salt fog rain humidity placed no dust and dry air and ventilated place no combustible and explosive goods Environment temperature 10 C 50 C lf don t use the machine for a long time it should be power on every six months 1 3 Transport During the process of handling the product should avoid strong vibration and bump It s strictly prohibited packing upside down when open the carton and carry the product out please dont missing accessories instruction manual and warranty card when moving out of the box In addition this product is big volume and heavy please pay attention to safety to avoid hurt your body when handling re Sandi Solar Sine Wave Inverter 1 4 Notice www lgis cc This user manual allows you to easily operate and maintain the system be sure to take good care of it Before use this product please read these instructions carefully 1 Before use carefully read and understand the full content of manual instruction 2 Be careful when moving the machine avoid the dropping impact 2 Io avoid injuring personal safety the installation must be grounded 6 The Machine must be installed in a horizontal ground The cable must be connected strengthened to prevent the damaged of mouse 7 Please do not put the machine near heating warmer air conditioner or exhaust pipe 8 Please do not overload to use this machine in order to avoid overload failure 9 In order to avoid
6. turn off DC input breaker under the inverter with load otherwise it will cause DC input breaker damaged 1 4 When the machine happen MOD overload output error and fault alarm turn off the DC input breaker to restart the machine 1 5 Put the inverter on ventilated and away from sunlight confirmed the machine and wall distance is greater than 30cm 1 6 Don t block the vents if found the vents blocked please clean up in time 1 7 When the inverter is running normally and temperature Is rising If the fan stop working please replace the fan in time The starting temperature of the fan is 45 C 1 8 Recommend to turn on the output circuit breaker firstly then turn on start switch Make the inverter starting load can effectively avoid the damage of large inrush current to the machine 1 9 Don t connect ground wire GND of cabinet and neutral wire N together 17 A Sandi ssursinevareimener __wvwlgiscc 2 Notice 2 1 All operations of equipment must be done by professionals please remove metal jewelry on hands before the operation in case of electric shock 2 2 The inside cooling fan of the machine is controlled by temperature its a normal phenomenon that the fan is not running when inverter just start soon or taking little load the fan only will run when cabinet internal temperature exceeds 45 C 2 3 When the machine is working in case of accidents and to avoid electric shock please don t open the cover of cabinet
7. 0ms waveform distortion is very little higher conversion efficiency and stable output voltage 6 re Sandi Solar Sine Wave Inverter www lgis cc Using the fifth generation efficient IPM intelligent module from Japanese Mitsubishi with high efficiency and stable performance It also with powerful protection function the protection for short circuit over load over temperature is more safe and reliable Its service life can up to 15 years or more Wide input voltage can be set according to customer s requirement Input voltage range can be selected from 100 500V or 200 850V Output AC Power suitable for all types of home electric equipment electronics load electric tools and electric motors etc With Low Frequency Transformer which ensures high efficiency and low no load loss European CE EMC amp LVD certificated and Australia CEC amp ERAC approved A Sandi soursinewareiener wwwlgisee _ 4 Main Parameters Overload a E imin 150 10s Inverter efficiency Inverter efficiency NET Runningmode Runningmode Workingcontinuousy continuously Input reverse protection under voltage and lt 2 Linear load lt 3 The nonlinear Waveform distortion rate ae Inverter over voltage output overload short circuit overheat protection No automatic recovery need to restart the machine Ambient temperature 10 C 50 C Using environment humidity 0 90 No condensation Working
8. A Sandi ssursinewaeinener wwwigisee X Please read this user manual carefully before use any wrong operation will do damage to this machine Solar Sine Wave Inverter User Manual Yueqing Sandi Electric Co Ltd A Sandi gie aeren vue CONTENTS t Rabel y WISWUGHON errire E EE EEr E 3 GE ele Hee Tu EE 5 3 Gite e Te le tele Te den EE 6 A CFG A EE 8 5 Rei EE TE e EE 9 6 LCD parameter le de EE 9 7 Schematic RTE Te E 14 8 Installation and operaton cece eee e ee eeeeeeeeeeeeeeeeeeeeneas 15 9 Maintenance and Notce cece ccc eeeceeseeeeeeeeseeeeseeessenerees 16 10 After sales EE 19 A Sandi ssursinewaeimener wwwigisee 1 Safety Instruction 1 1 Open box Sandi SDP series inverters have been tested strictly before leaving our factory however they may be damaged during the transportation please check them carefully if the products received are completed and if the following items model power DC input voltage AC output voltage and Frequency Hz are consistent with the order If any damages or discrepancy found please contact transportation company or us immediately Meanwhile please provide the damaged pictures to help us solve the problem for you asap 1 2 Storage environment In order to ensure good performance and long service life the product should pay attent ion to the following items to avoid adverse effects suffered in the store Away from direct sunlight avoid for outdoor No corrosive liquid oil mist
9. essionals can t change parameters otherwise you will undertake all damages caused by privately settings 1 Freq Set Frequency setting 2 Vlout Set Output voltage setting 3 CT amp Temp Set Current ratio setting and temperature Protection setting 4 Alarm Set DC over voltage and under voltage setting 5 UdcR Set Recovery setting of DC over voltage and under voltage 6 UdcUnder Delay Default recovery time of under voltage is 10 minutes 7 Time Set Date and time setting 8 Overload Set Overload times and overload time setting Press 1 Freq Set output frequency setting display as following Max Fre HZ Recommend maximum output frequency setting between 30 100Hz Min Fre HZ The minimum frequency of output Starting can t less than 5Hz Press 2 Vout Set output voltage and current setting display as following Vout Set Output voltage setting lout Max Set Output current setting Noticed Output voltage and current value setting not more than 20 of the rated power if the transformer damaged caused by wrong settings will out of the warranty 12 RY Sandi Solar Sine Wave Inverter www lgis cc Press 3 CT amp Temp Set Current and mutual inductance ratio and Protection temperature setting display as following CT Set Current and mutual inductance ratio setting Temp Set Protection temperature setting Press 4 Alarm Set over voltage and under voltage setting display as foll
10. hould be added one by one to avoid excessive inrush current of adding all loads at same time to cause inverter overload protection 2 3 During operation if the LCD panel display default light on the device will automatically alarm protection no AC output the indicator for 30 seconds then you should turn off the start switch After identified default reasons you could start inverter under no load to test 3 Connect with wires and operation procedure 3 1 Confirm the machine is in OFF condition 3 2 correctly connect with input wires be careful of the positive and negative pole of input wires which cannot reverse connection 3 3 Correctly connect with output wires 3 4 Recommend to turn on the DC input circuit breaker firstly then turn on AC output breaker then start switch 16 A Jandi sour sine woe mener ber _ Please see the following which is the wiring terminals j L LIN DC INPUT AC OUTPUT Remarks DC Input positive pole negative pole AC Output L and N wires Attention exo Ground wire is connected to the earth can t connect ground wire GND of cabinet and neutral wire N together 9 Maintenance and Notice 1 Caution for use 1 1 Be careful of the positive pole and negative pole of battery input which can t reverse 1 2 Turn on the DC input breaker if the breaker happen to the trip at the first time it s a normal phenomenon because the capacitor is charging 1 3 Please don t
11. ng 18 A Sandi eech ber _ Input and output p loose Tightening terminals The cable whether is Input and output cable Replace cable aging Accumulation of dust Using 392kPa 588kPa pressure dry Control board and dirt E eege EH air to blow off Discoloration or smell Replace capacitor capacitor Radiator Fan Replace fan Accumulation of dust Using 392kPa 588kPa pressure dry Inside of cabinet and dirt compressed air to blow off LCD doesn t display Replace the CR1220 Button Cell on the Button cell Time motherboard 4 Troubleshooting Fault phenomenon solution method Check the battery is normal the Check the battery is normal is normal Check the DC input voltage battery voltage and positive negative connection DC input abnormal are correct Check there has any displays in the LCD The inverter can t start such as overvoltage or under voltage of battery DC input breaker is ON Check DC input breaker Output overload or short Close the load check whether there has circuit breakage or short circuit of load cable When the inverter is in the normal state still no AC AC output breaker is ON Check AC output breaker output 19 ay Sandi Solar Sine Wave Inverter www lgis cc 10 After Sales Service Sales staff cooperate with Engineering department delivery the products that meet the needs of users and be in good condition to the user Terms are stipulated as following We usually adopt entr
12. owing Udc over Set DC over voltage protection setting Udc under Set DC under voltage protection setting Press 5 UdcR Set DC over voltage and under voltage recovery setting display as following Udc over Set DC over voltage recovery setting Udc under Set DC under voltage recovery setting Press 6 Udc Under Delay Under voltage recovery time setting display as following Udc Under Delay Under voltage recovery time setting Min Minute 13 A andi soursnewaeimener wwwlgisee _ Press 7 Time Set to display as following Time Display date and time setting Press 8 Over Load Set Rover Load Set Overload times setting Over load Time Set Overload time setting 7 Schematic Diagram switching OAC OUTPUT iG O capacitance E 240Vdc J J 5V DC DC 15V ee N E Feedback 14 A Sandi soursinewaeimener wuer _ AC Output curve II HH wins E TI a al A CREM TRAC CCT TENET ttt Tt Le II LTL CT LL Lae LLL TTT 45 SRR TTT ICT let III III Wilt ttt tit III E SRR RRS RRR EE 3 8 Installation and Running Status 8 1 When wiring should attention to the following 1 1 Check the front panel breakers are in OFF state check whether there is a short circuit on load 1 2 DC inpu
13. t cable must be through from the DC input terminals correctly connect to the positive and negative pole of the machine attention can t be reversed 1 3 Absolutely prohibit DC input power supply connect to the inverter output terminal 1 4 The connection cable between the battery and inverter should be as short as possible otherwise the harmonic leakage current from cables will be harmful to inverter and the system equipment 1 5 System grounding terminal must be grounded and make the ground wire s length as short as possible Do not allow welding machine motor and other high current device in this system common ground Ensure all system s ground wires are separately layout from high current electrical equipment 15 A Sandi ssursinevareimener _wwmlgisce 1 Please don t turn off the DC Input Breaker often otherwise it will cause will cause DC input breaker damaged If you want to shut down the inverter just need tu rn off the AC output breaker and Start button 2 If you have to turn off the DC input breaker please turn off the AC Output Breaker and Start button to make inverter stop working then turn off the DC Input breaker 2 Power on and running status 2 1 The power of load that inverter will take can t exceed the rated power of inverter otherwise it will shorten the service life of equipment or cause the device trouble 2 2 After inverter start up normally under no load conditions then connect with the load Load s
14. uency 30Hz and the inverter output will be 30Hz Because it belongs to low frequency inverter we suggest choose the output frequency over 30Hz to avoid transformer overheating This function is also convenient for customer you can change the frequency setting on the LCD screen The output voltage can be set between 40 to 20 of rated voltage For example the output rated phase voltage L to N is 220V you can set the output voltage between 80 264V And the accuracy of output voltage is very high usually no more than 1 The DC input voltage range can also be set Over voltage point under voltage point over voltage recovery point and under voltage recovery point can be set via the LCD panel Convenient for increasing or reducing the quantity of batteries photovoltaic modules also can be used flexibly Not need worry about adding new photovoltaic modules or change battery voltage in solar power system change these parameters settings on LCD then all is ok It reduced the cost of investment again If the customer want to change these parameters please try to communicate with our engineers we will provide you professional service for free Powerful data display and fault instruction function The LCD can display DC input voltage output frequency phase voltage phase current AC bypass input voltage Generated amount KWH time and date temperature fault code display Pure sine wave output with good transient response less than 5
15. ust transport way to delivered the goods when the user sign for the goods by delegating transport should carefully check whether the structure and appearance of product is damaged if with doubt the user shall not sign for it if you sign for it then means you agree the goods without any fault or damage during transportation 1 Our company seriously promised For all sold out inverter we provide one year warranty from the date of delivery and supply maintenance services all the time 2 Within warranty time when inverter meets all the installation environment and using conditions also operation correctly if the inverter have damage or accident happens please inform our company after sales service department when contact us please provide the equipment model serial number and complete problem explanation We will provide free components for replacement firstly if the problems still can t be solved please contact the manufacturer as soon as possible prohibit remove the parts by yourself However any of the following situation happened are not included in the warranty 3 1 Damage caused by any modification or repair privately and without company s permission 3 2 Damage because of an irresistible natural disasters and man made damage 3 3 Damage caused by supply power not according to the electrical specification or the bad environment 3 4 Damage caused by not following user manual s security items and using instruction 3 5 Damage caused b
16. y without the permission of the company maintenance person disassemble repair modification or add additional accessories privately 3 6 Irresistible natural disasters 20
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