USER`S MANUAL
Contents
1. Function Key Description ESC Exit setting mode To previous selection DOWN To next selection ENTER To confirm the selection in setting mode or enter setting mode LCD Display Icons INPUTBATTTEMP fo ao Y QUTPUTBATTLOAD mmm CTA NUMINE ALI AS A IT OVERLOAD M 25 Function description Input Source Information Indicates the AC input Indicates the PV input INPUTBATT COP Indicate input voltage input frequency PV voltage battery voltage and LILILIZG charger current Configuration Program and Fault Information Indicates the setting programs Indicates the warning and fault codes m A Warning flashing with warning code ILI ERROR J lighting with fault code Output Information OUTPUTBATTLOAD l CM g Indicate output voltage output frequency load percent load in VA and load in LU i Vat Battery Information Indicates battery level by 0 24 25 49 50 74 and 75 100 in battery CHARGING mode and charging status in line mode In AC mode it will present battery charging status Battery voltage LCD Display lt 2V cell 4 bars will flash in turns Bottom bar will be on and the other three Constant i 2 v 2 085V cel bars will flash in turns Current mode Bottom two bars wil bavon and HIe other Constant 2 083 2 16 V cell two bars will flash in turns Voltage mode Bottom three bars will be on and the top gt 2 167 V cell bar wi2. 1KVA 2KVA 3KVA INVERTER CHARGER CONTENTS ABOUT THIS MANUAL ess a ode 1 RUIDOS eite eia tat teen iSo OCURRE ddp is recedere poetae Ed cctq d crios DD DR PT MISMO dante dadas 1 SCOPE eM T a N 1 SAFETY INSTRUCTIONS eos casein een eee eons uU I o 1 INTRODUCTION mE 2 mugs a Hunacaa lg 2 Basic System Architecture ecciesie eiiidieesessese sese inna eran cnn rr Ra Da aaa i da 2 PROGUCW OVER VOW TE 3 INSTALLATION e EN 8 Unpacking arid INSPecliON sucia rr 8 SO npe t NA 8 Munting line UN O e o 8 Battery CONNSCUON rocas ao L 9 AC InpavOupBt COMM COTO Meas ak eee A A A AS 10 PV Connection Only apply for the model with solar Charger cccccooocnccnnccoconcnnncnnnancnnnononanennnnnnnanennnnnnnns 11 mila GNSS CMI EE 12 OPERATION ccc Sol 13 POWST ON DEA A i Ri 13 Operation and Display Panel ccccccssssececccsseeceecceeseeeeeseesseeeecseaseeeeeeseeaeeeeesseeaeceeeeseaseceeessaaseeessssageeeessaas 13 EG ESV GON NN RE T UIT rm 14 EEBS a E T T UU LH 16 Biel ge RIO D m e 18 Operating Mode Description eeeeeesssssssseeseeeeeee nennen nennen nennen nnn nnn nnn nnns nna nnn rins aar n nis snas nsns 20 Fault Relererice OC us mici uero pabetck teuer atia mami qtafibeiuss remis fab cect ao esaet caue din eee 21 Warning MaC eH 21 SPECIFICATIONS scores ce aa E a E
3. BELT ANN HN 5 When utility and solar are presented battery charged from utility Ic Iyc load powered from utility the Max Iyc limited at 20Amp for 1KVA 30Amp 2KVA and 3KVA Utility Source f f 4 47 Utility Charger ILOAD Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority utility 6 When utility and solar are presented battery charged from solar Ic4c Isc load powered from utility Max Isc goes up to 50Amp if solar panel with enough energy Charger source will be turned to utility side in case solar panel without enough energy Utility Charger Utility Source L F Solar Source F Solar Charger Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority 7 When utility and solar are presented battery charged from both solar and utility Icuc Isc Iuc load powered from solar and battery If solar priority output source turn to utility side in case solar panel without energy or battery voltage down to pre alarm level If sbu priority output source turn to utility side in case of battery voltage down to pre setting level Ex 3KVA Model AC Load 2000W i e Ijiogap amp 8 7Amp and Ipisc amp 92Amp Max Icug 50Amp it means battery always stay in discharge situation since the required power of AC load is larger than charging Once battery down to pre alarm level AC load will be powered from utility
4. connector 3 Make sure the wires are securely connected Final Assembly After connecting all wirings please put bottom cover by screwing two screws as shown below Communication Connection This inverter charger is equipped with a communication port to communicate with a PC with corresponding software Please use supplied communication cable to connect to RS 232 of this inverter and RS 232 port of the PC Please access software download site to download the monitoring software in your PC Software download website www power software download com watchpower html For the detailed software operation please check user manual of software 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 mid dba LCD display LED indicators Function keys LED Indicator so Solid On Output is available in bypass mode D Flashing Output is powered by battery in inverter mode CHG E Solid On Battery is fully charged E x reen S Flashing Battery is charging Solid On Fault mode A FAULT Flashing Warning mode Function Keys
5. e The ambient temperature should be between 0 C and 55 C to ensure optimal operation e Therecommended installation position is to be adhered to the wall vertically e Be sure keep other objects and surfaces as shown in the below diagram to guarantee sufficient heat dissipation and to have enough space for removing wires Install the unit by screwing three screws meu iE ET ae Battery Connection CAUTION To safety operation and regulation compliance it s requested to install a separate DC over current protector or disconnect device between battery and inverter It may not be requested to have a disconnect device in some applications however it s still requested to have over current protection installed Please refer to typical amperage in below table as required fuse or beaker 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 To reduce risk of injury please use the proper recommended cable and terminal size as below Recommended battery cable and terminal size Typical Battery Ring Type for Cable 17 3 m one way Torque value Amperage capacity Terminal 1 6AWG KST RNBS14 6 1KVA 2KVA 66A 100AH 2 3 Nm 2 10AWG KST RNBS8 6 100AH 1 4AWG KST RNBS22 6 3KVA 100A 2 3 Nm 200AH 2 8AWG KST RNBS14 6 Please follow below steps to implement battery connection 1 Ass
6. is required Incorrect re assembly may result in a risk of electric shock or fire To reduce risk of electric shock disconnect all wirings before attempting any maintenance or cleaning Turning off the unit will not reduce this risk CAUTION Only qualified personnel can install this device with battery NEVER charge a frozen battery For optimum operation of this inverter charger please follow required spec to select appropriate cable size It s very important to correctly operate this inverter charger Be very cautious when working with metal tools on or around batteries A potential risk exists to drop a tool to spark or short circuit batteries or other electrical parts and could cause an explosion Please strictly follow installation procedure when you want to disconnect AC or DC terminals Please refer to INSTALLATION section of this manual for the details Fuses 40A 32VDC 4pcs for 1KVA 2KVA and 6pcs for 3KVA are provided as over current protection for the battery supply GROUNDING INSTRUCTIONS This inverter charger should be connected to a permanent grounded wiring system Be sure to comply with local requirements and regulation to install this inverter NEVER cause AC output and DC input short circuited Do NOT connect to the mains when DC input short circuits Warning Only qualified service persons are able to service this device If errors still persist after following troubleshooting table please send this inverter charger ba
7. power option e Generator External Home Appliances Battery packs Figure 1 Hybrid Power System Note Appliances like air conditioner need at least 2 3 minutes to restart because it s required to have enough time to balance refrigerant gas inside of circuits If a power shortage occurs and recovers in a short time it will cause damage to your connected appliances To prevent this kind of damage please check manufacturer of air conditioner if it s equipped with time delay function before installation Otherwise this inverter charger will trig overload fault and cut off output to protect your appliance but sometimes it still causes internal damage to the air conditioner Product Overview 2KVA 3KVA Model 1KVA Model LCD display Status indicator Charging indicator Fault indicator Function buttons Power on off switch AC input AC output PV input 10 Battery input 11 Circuit breaker 12 Communication port REL D ib p SUD dew O9 Dh qos Operation Diagrams and Working Conditions Abbreviation Iuc charging current from AC charger Isc charger current from solar charger Ics total charging current of battery Ipisc discharging current from battery I o4 output current of AC load sbu output priority is solar battery utility 1 When utility source is not present Iyc 0 battery charged from solar source Icug Isc load powered from solar and battery power the Max Isc goes up to 50Amp if solar panel
8. protector is tripped and AC wiring is connected well Input voltage is displayed as 0 on the LCD and green LED is flashing 1 Check if AC wires are too Mains exist but the thin and or too long unit works in Insufficient quality of AC power 2 Check if generator if battery mode Green LED is flashing applied is working well or Shore or Generator EA check if input voltage range setting is correct UPS Appliance Green LED is flashing set Solar power as the priority of Change output source priority output source to Utility first When the unit is turned on internal LCD display and LEDs relay is switched on are flashing and off repeatedly Overload error The inverter is Reduce the connected load by Fault code 07 loaded with more than 110 load switching off some and time is up equipment Check if wiring is connected Check if battery wires are Battery is disconnected connected well Output short circuited well and remove abnormal Fault code 05 load Temperature of internal converter Check whether the air flow of component is over 120 C the unit is blocked or whether Fault code 02 Internal Inverter component over the ambient temperature is 100 C too high Battery is over charged Return to repair center Fault code 03 Check if spec and quantity of The battery voltage is too high batteries are meet requirements Fault code 01 Fan fault Replace the fan Output abnormal Inverter v
9. then Ip1sc become zero DC AC Inverter ILOAD Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority 8 When utility and solar are presented battery charged from both solar and utility Ic i 1sc luc load powered from utility Ex 3KVA Model AC Load 2000W i e Ijigap amp 8 7Amp Ipisc O Battery always charged by the max power from both utility and solar source Utility Source F F Utility Charger Solar Source F Solar Charger Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority solar and utility utility 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 e The unit x 1 e User s manual x 1 e Communication cable x 1 Preparation Before connecting all wirings please take off bottom cover by removing two screws as shown below Mounting the Unit Consider the following points before selecting where to install e Do not mount the inverter on flammable construction materials Mount on a solid surface e Install this inverter at eye level in order to allow the LCD display to be read at all times e For proper air circulation to dissipate heat allow a clearance of approx 10 cm to the side and approx 50 cm above and below the unit
10. Be sure to connect PE protective conductor 77 first L LINE brown or black CD Ground yellow green N Neutral blue 2KVA 3KVA 5 Make sure the wires are securely connected PV Connection Only apply for the model with solar charger CAUTION Before connecting to PV modules please install separately a DC circuit breaker between inverter and PV modules 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 PV module connection To reduce risk of injury please use the proper recommended cable size as below KVA 2KVA 3KVA 8 AWG 1 4 1 6 Nm 11 Please follow below steps to implement PV module connection 1 Remove insulation sleeve 10 mm for positive and negative conductors 2 Check correct polarity of connection cable from PV modules and PV input connectors Then connect positive pole of connection cable to positive u pole of PV input connector Connect negative pole of connection cable to negative pole of PV input
11. a ERE EEG 22 Table 1 Line Mode SpecifICcatloris naasia dc 22 Table 2 Invert Mode Specifications anzeni se iio 23 Table 3 Charge Mode Specifications cccccssssseeeeccsosseesecssasseeeecssasseeeeeseagsaesesseagsarsesseasaesesseaseessesseages 24 BEI ESe ia sseliecei teee e 24 CHOKING CONTOS ERN m Tm 24 TROUBLE SHOOTING uU IU Re MM EE eo o ee ee 25 Appendix Approximate Back up Time Table 1111 LeeeeLLeeeee eee Lieeeee rne nena nn nana annnm nn 26 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 10 11 12 13 WARNING This chapter contains important safety and operating instructions Read and keep this manual for future reference Before using the unit read all instructions and cautionary markings on the unit the batteries and all appropriate sections of this manual CAUTION To reduce risk of injury charge only deep cycle lead acid type rechargeable batteries Other types of batteries may burst causing personal injury and damage Do not disassemble the unit Take it to a qualified service center when service or repair
12. ck to local dealer or service center for maintenance 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 Features e Pure sine wave inverter e Configurable input voltage range for home appliances and personal computers via LCD setting e Configurable battery charging current based on applications via LCD setting e Configurable AC Solar Charger priority via LCD setting e Compatible to mains voltage or generator power e Auto restart while AC is recovering e Overload Over temperature short circuit protection e Smart battery charger design for optimized battery performance e Cold start function Basic System Architecture The following illustration shows basic application for this inverter charger It also includes following devices to have a complete running system Generator or Utility PV modules option Consult with your system integrator for other possible system architectures depending on your requirements This inverter can power all kinds of appliances in home or office environment including motor type appliances such as tube light fan refrigerator and air conditioner Solar
13. emble battery ring terminal based on recommended battery cable and terminal size 2 1KVA model supports 12VDC system and 2KVA 3KVA model supports 24VDC system Connect all battery packs as below chart It s suggested to connect at least 100Ah capacity battery for each Inverter 1KVA Inverter 2KVA 3KVA NOTE Please only use sealed lead acid battery or sealed GEL AGM lead acid battery 3 Insert the ring terminal of battery cable flatly into battery connector on the inverter and make sure the bolts are tightened to a torque of 2 3 Nm Make sure polarity at both the battery and the inverter charge is correctly connected and ring terminals are tightly screwed to the battery terminals A WARNING Shock Hazard Installation must be performed with care due to high battery voltage in series CAUTION Do not place anything between the flat part of the inverter terminal and the ring terminal Otherwise overheating may occur 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 This will ensure the inverter can be securely disconnected dur
14. ing maintenance and fully protected from over current of AC input The recommended spec of AC breaker is 10A for 1KVA 20A for 2KVA 32A for 3KVA CAUTION There are two terminal blocks with IN and OUT markings Please do NOT mis connect input and output connectors 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 AC input connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for AC wires AWGnm Torge 16 AWG 0 5 0 6 Nm 14 AWG 0 8 1 0 Nm 12 AWG 1 2 1 6 Nm Please follow below steps to implement AC input output connection 1 Before making AC input output connection be sure to open DC protector or disconnector first 2 Remove insulation sleeve 6mm for six conductors of 1KVA and 10mm for 2K 3KVA And shorten phase L and neutral conductor N 3 mm 3 Insert AC input wires according to polarities indicated on terminal block and tighten the terminal screws Be sure to connect PE protective conductor D first L LINE brown or black Ground yellow green N Neutral blue 2KVA 3KVA 4 Then insert AC output wires according to polarities indicated on terminal block and tighten terminal screws
15. istongn 08 NO Bus soft start failed Jam Le S Main relay failed ue U a Warning Indicator n Warning Event Audible Alarm Icon flashing Expte iced Beep three times every A second 1 7 Battery is over charged Beep once every 1second LJ m a zm 2 E r U Beep once every 0 5 Bn Overload p y LI second CT OVERLOAD Beep twice every 3 seconds Power limitation 21 SPECIFICATIONS Table 1 Line Mode Specifications Input Voltage Waveform Sinusoidal utility or generator Nominal Input Voltage 230Vac 170Vac 7V UPS Low Loss Voltage 90Vac 7V Appliances 180Vac 7V UPS Low Loss Return Voltage 100Vac 7V Appliances High Loss Voltage 280Vac 7V High Loss Return Voltage 270Vac 7V Max AC Input Voltage 300Vac Nominal Input Frequency 50Hz 60Hz Auto detection Low Loss Frequency 40 1Hz Low Loss Return Frequency 42 1Hz High Loss Frequency 65 1Hz High Loss Return Frequency 63 1Hz Output Short Circuit Protection Circuit Breaker Efficiency Line Mode gt 95 Rated R load battery full charged 10ms typical UPS Transfer Time l 20ms typical Appliances Output Power A Rated Power Power Limitation 5096 Power 280V Input Voltage 22 Table 2 Invert Mode Specifications Rated Output Power 1KVA 0 8KW 2KVA 1 6KW 3KVA 2 4KW Nominal DC Input Voltage 12Vdc 24Vdc Cold Start Voltage 11 5Vdc 23 0Vdc Low DC Warning Voltage load lt 20 20 lt l
16. ll flash Floating mode Batteries are fully charged 4 bars will be on In battery mode it will present O capacity Load Percentage a Battery Voltage LCD E Load gt 50 1 8 1 883V cell 1 817V cell 1 9V cell 50960 Load gt 20 1 9 1 983V cell gt 1 983 lt 1 867V cell 1 867V cell 1 95V cell Load lt 20 1 95 2 033V cell gt 2 033 Load Information Indicates overload Indicates the load level by 0 24 25 50 50 74 and 75 100 0 25 25 50 50 75 75 100 Mode Operation euo Indicates unit connects to the mains Indicates unit connects to the PV panel Indicates load is supplied by utility power Indicates the utility charger circuit is working Indicates the DC AC inverter circuit is working Mute Operation A Indicates unit alarm is disabled 15 LCD Setting After pressing and holding ENTER button for 3 seconds the unit will enter setting mode Press UP or DOWN button to select setting programs And then press ENTER button to confirm the selection or ESC button to exit Setting Programs Selectable option Exit setting mode Output source priority Maximum charging current AC input voltage range Power saving mode Battery type Auto restart when overload occurs Auto restart when over temperature occurs Output frequency AP O Saving disable default MII p Ut 503 AGM default NE o Hun Restart disable defau
17. lt Ub Led Restart disable default 11 Ui Cd 5OHz default F1 US 5 a Hz Utility first default FO qq I Saving mode enable Mu ccm UH JC 1 D Flooded NE LJ FLO GE A Restart enable NE UD Ure A M Restart enable Ul EFE 11 5V default _ BATT IC v L I A A Pre setting voltage back to utility side for sbu priority BATT J dv L que Li 23 0V default BATT j 2n L CALI Y V Solar first I p ju Lue a e Solar and Utility IL cn HJ Alarm on default Alarm off 18 Alarm control ta L 1n IL I I G a Se Backlight on default F1 20 Backlight control main E CU Lu Alarm on default Alarm off Beeps while primary source is 2 c 0 An Jc LL MN C interrupted Record enable Record disable default JC IC i Record Fault code C gt E E Ed Display Setting The LCD display information will be switched in turns by pressing UP or DOWN key The selectable information is switched as below order input voltage input frequency battery voltage PV voltage charging current output voltage and load in Watt Selectable information LCD display Input Voltage 230V output voltage 230V INPUT OUTPUT SU cu 100 E l 25 Input voltage Output voltage Default Input frequency Output frequency Battery voltage Output voltage PV voltage Load percentage Charging current Outpu
18. oad lt 50 load 50 Low DC Warning Return Voltage load lt 20 20 lt load lt 50 load 50 Low DC Cut off Voltage load lt 20 20 lt load lt 50 load 50 11 0Vdc 10 7Vdc 10 1Vdc 11 5Vdc 11 2Vdc 10 6Vdc 10 5Vdc 10 2Vdc 9 6Vdc 22 0Vdc 21 4Vdc 20 2Vdc 23 0Vdc 22 4Vdc 21 2Vdc 21 0Vdc 20 4Vdc 19 2Vdc 23 Table 3 Charge Mode Specifications Charging Algorithm 3 Step Solar Charging Mode Charging Current PWM 50Amp Max PV Array Open Circuit Voltage A Table 4 General Specifications Operating Temperature Range Dimension D W H mm Charging Controls Battery Type Charging Curve Battery Voltage per cell Charging Current 96 2 43Vdc 2 35Vdc Voltage 2 25Vdc T1 10 TO minimum 10mins maximum 8hrs Bulk Absorption Constant Current Constant Voltage 24 TROUBLE SHOOTING 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 complete off 1 The battery voltage is far too 1 Check if batteries and the No response after No indication low lt 1 4V Cell wiring are connected well power on l 2 Battery polarity is connected 2 Re charge battery reversed 3 Replace battery Check if AC breaker is tripped Input
19. oltage 1 Reduce the connected Fault code 06 below than 190Vac or is higher load than 260Vac 2 Return to repair center Buzzer beeps continuously and red LED is on Fault code 08 Fault code 09 Internal components failed Return to repair center 25 Appendix Approximate Back up Time Table Oo IO 1600 O 100 766 200 335 300 198 500 112 80 95 Load VA Backup Time 24Vdc 100Ah min Backup Time 24Vdc 200Ah min 1610 766 198 503 800 139 339 1000 269 227 176 140 125 12 222 525 90 ZJ D4 303 227 164 126 108 Note Backup time depends on the quality of the battery age of battery and type of battery Specifications of batteries may vary depending on different manufacturers 26
20. t voltage Input voltage Load in VA Input voltage Load in Watt Main CPU version checking OUTPUT When load is lower than 1kVA load in VA will presents 350V as below INPUT When load is larger than 1kVA 1KVA load in VA will presents 1 5kVA as below INPUT When load is lower than 1kW load in W will present 270W as below INPUT LOAD Jan i 100 J AN When load is larger than 1kW 1KW load in W will present 1 2kW as below T LOAD Secondary CPU version 00003 03 ri 12 Secondary CPU version checking Operating Mode Description Operation mode LCD display Charging by utility and PV No output is supplied by the unit but it still can charge batteries Standby mode Fault mode Power saving mode Charging by utility and PV The unit will provide output power from the mains It will Line oag also charge the battery at Charging by utility line mode Bos z The unit will provide output Battery Mode power from battery and PV power 20 Fault Reference Code la SN Fan is locked 4 ERROR L J FT 02 Over temperature a moo oeme 000000000 UC m3 03 Battery voltage is too high ERROR mo aateryvotaseistoomioh me 0 Battery voltage is too low J l Vn ms Y Output short circuited or Over temperature J E UR 2 5 a E moe en CI Y Lh U TE Output voltage is abnormal q Over load time out me Bus voltage is too high qnn Busvotage
21. with enough energy DC AC Inverter nies Solar Charger ILOAD Battery Bank AC Load Priority Setting Combinations s ou www ou 2 When solar source is not present Isc 0 battery charged from utility source Icyg Iyc load powered from utility the Max lyc limited at 20Amp for 1KVA and 30Amp for 2KVA 3KVA Utility Source F F Utility Charger e ae ae es a Battery Bank AC Load Priority Setting Combinations solar and utility utility EN MEME CN solar and utility 3 When utility and solar are presented battery charged from solar source Icug Isc load powered from solar and battery the Max Isc goes up to 50Amp if solar panel with enough energy If solar priority output source turn to utility side in case solar panel without energy or battery voltage down to pre alarm level If sbu priority output source turn to utility side in case of battery voltage down to pre setting level Utility Charger DC AC Inverter Solar Charger LOAD Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority solar solar 4 When utility and solar are not present Iyc Isc 0 connected load will be powered from battery DC AC Inverter ILOAD a se cP o css A A A aD P ae O cP A Battery Bank AC Load Priority Setting Combinations Charger Priority Output Source Priority EN GNE HN
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