USER`S MANUAL
Contents
1. 4KVA 5KVA INVERTER CHARGER CONTENTS ABOUT THIS MANUAL ode 1 RUIDOS Cita cotrmend sibarita crios esto E dadas 1 O o IU a ens aoe eee eee ae te 1 SAFETY INSTRUCTIONS codi ia 1 INTRODUCTION ose 2 ES E A benadli na Bachem nbs ac bOUirumamialandes ot aimonenhaabos Husaccaa gs 2 Basic System Architect cta atole cnica 2 Produc OVER GW 5 secret cette a A int 3 Operation Diagrams and Work condon SS ai 4 INSTALEATION coito o a dr e o e ene coto os 7 Unpacking and Aspect de 7 Prepara Omina A A A A dd 7 Ma o A ante saneane Ea E a Ea 7 Bater COMMOC OMA ai ni Ueacaite cutramneenccaesient aoaiinets ences 8 AG Input OUtpuil GOMMCCUO Mei o a eee 9 PV Connection Only apply for the model with Solar Charger cccccccocnccnncccconcnnncconanennnonnnancnnnonnnnncnnnnnnnns 10 A iaknamuynaueeans 11 OPERATION ii 12 POWERON OE Pr CPE RE ESO PE O a E r E 12 Operation and Display Panelasiata isa mene tencench a a Seaeaete 12 ECW DISDIAY ICONS sitiada 13 HADAS AA en 15 DISHI SOWING E A o cast euvennsie eu Gashua ound als AA E eves 16 Operating Mode DSS COU ON iras A Sees theme eee 18 Faull Relerence Codes cate tuiea sine ries le Es 19 Warming OIC ALON a a dol 20 SREGCIETCATTON Socie tee cee 21 Table LIME Mode SPSCHICAUIONS tibias 21 Table 2 Invert Mode Specifications usina iii 22 Tables Charge Mode SpecitiCalONS aia 23 Table 4 General Specifications 000 ia 23 charon CORTOS in iii A 23 TROUBLE SHOOTING ius a aA EE E Eaa E a A2. AC CHARGE NO CHARGE CUE AC CHARGE CSF CUF CSF SOLAR CHARGE WITH OUTPUT CSF CSF CUF OK Low OK ME OK OK Low OK Low Low Low OK OK OK O A O A CSF SOLAR CHARGE WITHOUT OUTPUT CS UF AC amp SOLAR CHARGE CSF SOLAR CHARGE WITHOUT OUTPUT AC CHARGE OK AC amp SOLAR CHARGE Pox ox our cr AN SS Fox ok on our cs SOLAR CHARGE WITH OUTPUT Tox ox ox our s ACASOLAR CHARGE 1 BAT AC OUTPUT OJO AA O O O O O A FF FF FF FF F O A OF HA DEA MA az Ss ME a a Ld O A OK OW OK OW OW OW OW OK OK OK OK OK Utility Source i Isc Solar Source i Solar Charger f Battery Bank E o O e o o AD AC Load The load is powered by battery power and solar power Solar charger works when solar power is OK The maximum Isc will go up to 50Amp Then the status of solar power and connected load will determine if battery is charge or discharge 2 SOLAR CHARGE WITHOUT OUTPUT Utility Source Solar Source Solar Charger Battery Bank Solar charges the battery The Max Isc goes up to 50Amp if solar panel with enough energy No load is powered at this state 3 SOLAR CHARGE WITH OUTPUT Utility Source Solar Source Solar Charger Battery Bank The load is powered by the utility Solar power charges the battery The maximum Isc will go up to 50Amp if
3. Constant i 2 2 083V cel bars will flash in turns Current mode Bottom two bars wil bavon and tie otner 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 will 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 p Load gt 50 1 8 1 883V cell 1 817V cell 1 9V cell 50 gt 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 14 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
4. enough energy is generated by solar modules AC Load 4 AC CHARGE Utility Source ILOAD DC AC Inverter L AC Load Pesce Battery Bank The battery is charged by the utility The maximum Iyc is 30Amp The solar charger doesn t work When the power ON OFF switch is turned ON the device will generate output to the load When the power ON OFF switch is turned OFF the device won t generate output to the load 5 AC amp SOLAR CHARGE Utility Source O_o o gt iw m Solar Source DC AC Inverter Solar Charger Battery Bank The battery is charged by the utility and solar power at the same time Icug luc Isc and the maximum Ichg is 50Amp When the power ON OFF switch is turned ON the device will generate output to the load If the power ON OFF switch is turned OFF the device won t generate output to the load ano AC Load 6 NO CHARGE Utility Source F A a AC Load Battery Bank When the power ON OFF switch is turned ON the device will generate output to the load If the power ON OFF switch is turned OFF the device won t generate output to the load There is no charging current to the battery gt a cme oie 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
5. package e The unit x 1 e User 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 e 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 e The ambient temperature should be between 0 C and 55 C to ensure optimal operation e The recommended 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 AN SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON COMBUSTIBLE SURFACE ONLY Install the unit by screwing three screws A ERE a LO et oe Y 0 0 ame le O 08 O 09 a OSOSOSUGO 059 5959599202 a 02020208086 b i 9 0989S 969090 l bi o a AAA m N 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 som
6. 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 100C 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 voltage 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 24 Appendix Approximate Back up Time Table HE IT 766 335 198 A META 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 25
7. voltage range Power saving mode Auto restart when overload occurs Auto restart when over temperature occurs Output frequency Charger source priority Saving disable default METE AGM default 05 Abn Restart disable default up Ld Restart disable default rod IJ o EFO 50Hz default mii US a i Hz Solar first IZ O O Solar and Utility default IL cmt Utility first default ryt yyy Saving mode enable FU po Us SEN Flooded NE JJ Restart enable DG LEE Restart enable Alarm control Backlight control Beeps while primary source is interrupted Record Fault code Display Setting Alarm on default DU WA Backlight on default E LU O Alarm on default 1 rir Lili AU e enable ES B LCN PEI Alarm off Alarm off Jo _ e Record disable default c5 FOS oy me 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 charging current PV voltage output voltage output frequency load percentage load in Watt load in VA CPU1 Version and CPU2 Version Selectable information LCD display Input Voltage 230V output voltage 230V Input voltage Output voltage Default Input frequency Output frequency Battery voltage Output voltage PV voltage Load
8. Eaa SO AEE ARS 24 Appendix Approximate Back up Time Table ooncccooncnncccconncanccoconocanccccnnonancncnnonannnnnnnnnnnnnrrnnnnnnnnnnnnnnas 25 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 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 pl
9. NS 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 20ms typical Appliances Output Power A Rated Power Power Limitation 50 Power gt 280V Input Voltage 21 Table 2 Invert Mode Specifications Rated Output Power 4KVA 3 2KW 5KVA 4KW Nominal DC Input Voltage 48Vdc Cold Start Voltage 46 0Vdc Low DC Warning Voltage load lt 20 44 0Vdc 20 lt load lt 50 42 8Vdc load 50 40 4Vdc Low DC Warning Return Voltage load lt 20 46 0Vdc 20 lt load lt 50 44 8Vdc load 50 42 4Vdc Low DC Cut off Voltage load lt 20 41 0Vdc 20 lt load lt 50 40 8Vdc load 50 38 4Vdc 22 Table 3 Charge Mode Specifications Charging Current PWM Max PV Array Open Circuit Voltage AR a Table 4 General Specifications INVERTER MODEL 4KVA 5KVA Operating Tempe
10. TION 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 during maintenance and fully protected from over current of AC input The recommended spec of AC breaker is 40A for 4KVA and 50A for 5KVA 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 O Weno Torque 10 AWG 1 4 1 6Nm 8 AWG 1 4 1 6Nm 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
11. e 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 1 3 m one way Torque value Amperage capacity Terminal 1 4AWG KST RNBS22 6 200AH 2 3 Nm 2 8AWG KST RNBS14 6 1 4AWG KST RNBS22 6 SKVA 200AH 2 3 Nm 2 8AWG KST RNBS14 6 Please follow below steps to implement battery connection 1 Assemble battery ring terminal based on recommended battery cable and terminal size 2 This model supports 48VDC system It s suggested to connect at least 200Ah capacity battery 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 8 WARNING Shock Hazard Installation must be performed with care due to high battery voltage in series CAU
12. ease 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 4 pieces of 30A 150VDC for 4KVA and 5pcs of that for 5KVA 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 back 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 p
13. ime 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 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 RS 232 communication port O A oe EA e Operation Diagrams and Working Conditions Abbreviation Iuc charging current from AC charger Isc charger current from solar charger Ic c total charging current of battery Ipisc discharging current from battery ILoap OUtput current of AC load CSF Solar Charge First CUF Utility Charge First CS UF Solar amp Utility Charge at the same time OSF Output Solar First OUF Output Utility First The device working status is determined by the states of inputs the power on off status charging priority and output priority setting Please refer to the following table for the device s work state Power on off Output Charge Solar Utility Battery Switch Priority Priority State L L L L L OK E OK o o LOSS Ooo BAT AC OUTPUT LOSS SOLAR CHARGE WITHOUT OUTPUT LOSS SOLAR CHARGE WITHOUT OUTPUT CUF CS UF
14. insulation sleeve 10mm for six conductors 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 first L LINE brown or black YO Ground yellow green N Neutral blue 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 L LINE brown or black Ground yellow green N Neutral blue 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 Typical Amperage Cable Size AKVA SKVA 8 AWG 1 4 1 6 Nm Please follow below steps to implement PV module connection 1 Remove insulation sleeve 10 mm for positive and negative conductors gt 2 Check correct polarity of connection cable from PV modules and PV input connectors Then connect positive pole of connection cable to positive pole of PV input connector Connect
15. negative pole of connection cable to negative pole of PV input connector 10 3 Make sure the wires are securely connected Final Assembly After connecting all wirings please put bottom cover back by screwing two screws as shown below iS a AO PE 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 E OOo Oe Oe OO sq Os ss Oss sss Es oO oO 00 E A E AA SS D ts MM ad c mi 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 LED indicators Function keys LED Indicator i me Solid On Output i
16. percentage OUTPUT My Cou Current OUTPUT Charging current Output voltage OUTPUT m _I Lo When load is lower than 1kVA load in VA will presents 350V as below INPUT I L in VA is Oae IR When load is larger than 1kVA 1KVA load in VA will presents 1 5KVA as below LOAD ml ln When load is lower than 1kW load in W will present 270W as below INPUT Input volt Load in Watt nput voltage Load in Wa When load is larger than 1kW 1KW load in W will present 1 2kW as below Main CPU version 00014 04 FIL LI Main CPU version checking Secondary CPU version 00003 03 03 03 Secondary CPU version checking Operating Mode Description 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 The unit will provide output power from the mains It will Line Mode also charge the battery at Charging by utility line mode poa naaa naaa 7 100 Y A 25 CHARGING Power from battery and PV power The unit will provide output Battery Mode power from battery and PV power Fault Reference Code me e E DE a fm w fowm R C OS C 0 os omaso aero OS o fonon ES CO O Warning Indicator Toe Warning Event Audible Alarm Icon flashing CRN Fan is locked Beep three times every second J Beep once every 1 mu q Pon CEI seconds 20 SPECIFICATIO
17. rature Range 0 C to 55 C E Storage temperature 15 C 60 C Dimension D W H mm 468 295 120 Charging Controls Voltage Setting ja Battery Voltage per cell Charging Current Charging Curve 2 25Vdc Voltage Bulk Constant Current 23 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 lt 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 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 gt 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
18. riority 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 e Generator or Utility e 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 power option a See Generator BATTERY Utility External Home Appliances Battery packs Figure 1 Hybrid Power System Note Appliances such as air conditioner are required 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 t
19. s available in bypass mode EACE Ez yo Flashing Output is powered by battery in inverter mode 6 CHG E Solid On Battery is fully charged 0 reen S Flashing Battery is charging Solid On Fault mode A FAULT Flashing Warning mode Function Keys 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 Aid CTA MIO e ALI AS A HT OVERLOAD MA 25 Function description Input Source Information Indicates the AC input Indicates the PV input INPUTBATT ulumi Indicate input voltage input frequency PV voltage battery voltage and II jo charger current Configuration Program and Fault Information Indicates the setting programs Indicates the warning and fault codes E ES Warning 7 flashing with warning code JN 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 CL 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
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