Hybrid PV Inverter User Manual
Contents
1. Over temperature alam A Over DE E flashing No electrical ground A lt Ground loss 14 2 Fault Reference Codes When fault occurs the icon LEES will flash as a reminder See below for fault codes for reference FaultEvent nsn gt Code flashing upper threshold breakerfirst Then the lower threshold breaker time out completely shuts down Inverter soft start is ERROR turn on DC breaker first It LCD screen Then turn on event is detected AC breaker After 300 An relay failure event is seconds the system will detected automatically connect to DC component in the output the grid current exceeds the upper If the error message still threshold remains please contact Inverter DC component exceeds the allow able range Leakage current CT failed Over temperature fault ERROR The internal temperature is higher than specif ied temperature Leave inverter to be cooled to room temperature If the error message still remains please contact our installer 11 Over current on PV input is your installer detected 29 Fault 10 Code flashing PV input voltage exceeds the upper threshold Auxiliary power failed Auxiliary power means switch power supply Leakage current exceeds the allow able range ERROR ERROR ERROR 30 Check ifthe open circuit voltage of PV modules is higher than 500VDC If PV ope2. Ds 888888 17 Date and time Procedure aono 0 0 07 DATA RECORD FROM eo LIC DU CL DD 1 DATA RECORD m 20 00 0 Oo oo o 5 TIME HH MM SS e Today or total energy generated LI LI L TODAY ENERGY GENERATED TO CO Cr en Bacca ENERGY GENERATED TOTAL gt gt ft Kwh CC LL LL 18 Mode of query energy generated LCD Display ENERGY GENERATED IU DAY Energy generation display of selected month i LCD Display ENERGY GENERATED ye 19 RI ROM 159 oOo 9 59 DATA RECORD FROM _ 98 98 98 ATE YY DD 68 68 08 DATA RECORD FROM ATE YY MM DD DATAR RECORD DATE YY DD Energy generation display of selected year Procedure 3 i uk EF MM DD Plat a LCD Display ENERGY GENERATED 11 H rr I LI CI L LI 11 5 Operation Mode amp Display Grid tie with backup mode This inverter is connected to grid and working with DC INV operation H i This irverter is activated to generate power to the loads va AC output connector PV power is sufficient to charge battery prov ide power to ARRAY a UA lt WA EA uA A loads and feed power b
3. Hybrid Inverter Table Of Contents Introduction uyu aa u D Su s s 1 2 Important Safety Warning 2 3 UNPACKING amp a KK REDE C nee Ku 4 L PACKIN suyu rH HE 4 S 2 ProOduUCTOVENV EW T 4 4 InstalldUloli cosi ET au 5 4 1 Selecting Mounting Location 5 2 MOURN ONG UNI 5 5 Grid Utility COnNSCUuioiiuuu u aaa wa aan ERR RIO RERO En un 7 SS Prepa aUo E 7 5 2 Connecting to the AC Utility 7 6 PV Module DC Connection 8 7 Battery Connection uu u suu aaa 9 8 Load Output Connection 10 9 COMM NICATION Anne 11 L0 COMMISSIONING iis a REX KRANKEN aa ROO ODER OC CER 12 Ll EE EK EE EYE RE asa asss 13 IBESPEI grotte ees 13 11 2 LCD Information Define rc e ce 13 11 3 Button ceto l Dri ere entia ad c rv rtp edere Ren 15 17 4 Menu AUO Mi nee 15 12 Charging Management U uu KE RE 25 13 Maintenance amp
4. is disabled on AC power outputoreven PY ARRAY AC power output is enabled but an error occurs on AC output O nly PV r7 gi lt WA m power is sufficient to charge battery LLL RY This inverter is disabled to generate power to the loads via AC output connector PV power is not detected or PY ARRAY BATTERY PA em av ailable at this moment utility TET lt WA i is available to charge battery This inverter is disabled to generate power to the loads v ia AC output connector PV pow er and the utility are not detected or available at this moment 24 12 Charging Management Default Charging v oltage Vale Note I It can be adjusted via software from Max charging current 5A mp to 25Amp It can be adjusted via softw are from Floating charging v oltage default 54 0 ging v oltage 54 0Vde 50V acto 56Vdc Floating charging voltage 2Vdc But the max absorption charging Max absorption charging 56 0 Vdc Voltage is 57V dc Therefore if floating voltage default charging v oltage is set to 56Vdc then max absorption charge voltage will be still SW dc Battery overcharge protection 59 0 Vdc Charging process based on default setting 3 stages First max charging voltage increases to 56V Second charging voltage will maintain at 56V until charging current is down to 5 Amp Third go to floating charging at 54V This inverter can connect to batte
5. Cleaning 27 14 Trouble Shooting uuu u uuu KO ERI IE RENER 28 28 14 2 Fault Reference 29 15 RD RR RR REN RE RADO ERE ERE RR a 33 1 Introduction This hy brid PV inverter can provide power to connected loads by utilizing PV power utility power and battery power When PV energy output is good itwill power connected loads from solar electric photov oltaic or PV power feed power back to grid utility and charge battery When PV energy output is not sufficient for connected loads this inverter will conv ert the utility at the same time Hy brid inverter Lhe C A LL Distribution UM Electric grids l _ Load m Battery Figure 1 Basic hybrid PV System Overview Depending on different pow er situations this hybrid inv erter is designed to generate continuous pow er from PV solar modules solar panels battery and the utility When MPP input voltage of PV modules is within acceptable range see specif ication for the details this inv erter is able to generate power to feed the grid utility and charge battery This inv erter is only compatible with PV module types of single cry stalline and poly cry stalline Do not connect any PV array types other than these tw
6. be recorded by remote monitoring software 14 1 Warning List There are 21 situations def ined as warnings When a warning situation occurs AN icon w ill flash and the fault code area will display WR wordings You may check software for the detailed w arning situations Please contactyour installer w hen below warning situations occur uc am o flashing asia SNE ame eem m auto correction of AD signals Data sav ing failure A Flash memory fails Input PV is found lost N The PV input voltage is out of range PV input voltage reads low The input PV voltage is too low to initiate the inv erter Power island A Islandingconditionisdetected initialization turned on e the upper threshold limit the low er threshold TN ime exceeds a upper threshold limit e Mrenmen below the lower threshold Power grid connected Average feeding voltage has exceed the upper av erage voltage exceeds the limit maximum threshold Emergent grid disconnection The utility is abnormal Battery voltage is too low The battery voltage is less than 42V capacity or the battery v oltage less than 44V Battery is disconnected Battery is not detected End of battery discharge A Low voltage from over discharging Battery voltage is below 42V This battery is charging now_and not achiev to DOV yet 28 Overoad CT AK
7. Commissioning Step 1 Check the follow ing requirements before commissioning Ensure the inv erter is firmly secured e Check f the open circuit DC voltage of PV module meets requirement Refer to Section 6 Check if the open circuit utility voltage of the utility is at approximately same to the nominal expected value from local utility company e Check if connection of AC cable to grid utility is correct if the utility is required Full connection to PV modules e AC circuit breaker only applied when the utility is required batter circuit breaker and DC circuit breaker are installed correctly Step 2 Switch on the battery circuit breaker and then switch on PV DC breaker After that if there is utility connection please switch on theAC circuit breaker At this moment the inverter is turned on already However there is no output generation for loads Then If LCD lights up w display the current inverter status commissioning has been successfully After pressing button for 1 second when the utility is detected this inv erter will start to supply power to the loads If no utility exists simply press ON button for 3 seconds Then this inverter will start to supply power to the loads e If red LED lights up or w arning fault indicator appears in LCD an error has occurred to this inv erter Please inform your installer Step 3 Install monitoring software in your PC Follow below steps to install softw are 1
8. FF Press and hold the button until the buzzer continuously Turn off power to the bads Short press Select last selection or increase value If its in query menu press this button to Shore press jump to next selection or decrease value Mute alarm in standby mode or battery NOTE If backlight shuts off you may activate it by pressing any button When an error occurs the buzzer will continuously sound You may press any button to mute it 11 4 Query Menu Operation The display shows current contents that have been set The displayed contents can be changed in query menuv ia button operation Press Enter button to enter query menu There are seven query selections Grid Utility voltage or frequency of AC input Frequency voltage power or load percentage of AC output Input voltage or power of PV input Battery v oltage or capability percentage Date and time Today or total energy generated Mode of query energy generated 15 Setting Display Input voltage or frequency of AC input Procedure soar Gi Frequency voltage power or percentage of AC output Procedure 1 OUTP OUTPUT 0 0 05 I gag Enter 16 Input voltage or power of PV input Procedure 5 PV INPUT 5 5 5 Enter INPUT BATTERY CAPACITY cc 7 17 O zur E 88 9 8 O00 own eO DATE FF FET PU spP
9. Go to thewebsite http www power software download com solarpower html to dow nload softw are in your PC Then please execute setup exe for initiating installation softw are 2 Follow the on screen instructions to install the software 3 When your computer restarts the monitoring softw are will appear as shortcut icon located in the sy stem tray near the clock 12 11 Operation 11 1 Interface This display is operated by four buttons NOTICE To accurately monitor and calculate the energy generation please calibrate the timer of this unitv ia software every one month For the detailed calibration please check the user manual of bundled software 11 2 LCD Infor mation Define AC INPUT DATA RECORD FROM AC OUT 5585 88 68 98 88 PV INPUT GRID TIE OFF GRID 668 GRID GRID BACK UP BACK UP Lid V SOLAR MPPT 4 BATTERY CAPACITY PV ARRAY Y 8905 mn FA ii CHARGING CURRENT HARGING CURRENT TODAY ENERGY GENERATED CU 25 08889 ERROR Display _ Function lt Vac voltage Hz frequency Indicates AC output power voltage frequency or load percentage KW power Vac Voltage Hz frequency 9o Load percentage 13 Indicates PV input voltage or power Volt voltage KW power Indicates battery voltage or percentage B Volt voltage percentage H H Indicates charging current to batte
10. ack to utility BATTERY 4 LOAD 20 ARRAY am Pe K d BATTERY SOLAR ARRAY REC 7 gi lt VA e AC y 1 LLL LOAD SE v v lt KA BATTERY ur lt 7221 lt VA m MS BATTERY SOLAR PV ARRAY BATTERY q 21 This inverter is activated to generate power to the loads v ia AC output connector PV power is charging the battery At the same time PV power and the utility are supply ing power to the connected load This inverter is activated to generate power to the loads v ia AC output connector PV power is generated but not sufficient enough to charge battery by itself PV power and the utility are charging battery atthe same time And the utility is also supply ing power to the connected load This inverter is disabled to generate power to the loads v ia AC output connector PV power is sufficient to charge battery and feed power back to grid This inverter is disabled to generate power to the loads v ia AC output connector PV power and utility are charging battery atthe same time This inverter is disabled to generate power to the loads v ia AC output connector PV power is feeding power back to the utility No battery is connected or battery is not available to use at this moment This inverter is activated to generate power to the loads va AC output connec
11. battery cables Remove insulation seeve 12 mm and insert conductor into cable ring terminal Refer to chart 5 12 2mm ma Step 3 Follow ing battery polarity guide printed near the battery terminal Place the external battery cable ring terminal Chart 5 ov er the battery terminal Refer to Chart 6 RED cable to the positive terminal BLACK cable to the negative ter minal N 2 2 ETT N Step 4 Make sure the wires are securely connected The reference tightening torque is 2 04 N m WA RNING It s very important for sy stem safety and efficient operation to use appropriate cable for battery connection To reduce risk of injury please use the proper recommended cable size as below Nominal Grid Voltage 101 110 120 127 208 220 230 240 VAC Conductor cross section mm 8 Load AC Output Connection CAUTION To prevent further supply tothe load via the inverter during any mode of operation an additional disconnection dev ice should be placed on in the building wiring installation WA RNING It s very important for sy stem safety and efficient operation to use appropriate cable for AC connection To reduce risk of injury please use the proper recommended cable size as below Step 1 Remove insulation seeve 8 mm for three conductors A nd shorten phase L and neutral conductorN 3 pat I2 mm mm Refer to chart 7 LE 3 Q Step 2 Connectw ires according to polarities in
12. breaker After 300 seconds the system will automatically connect to the grid If error message remains please contact your installer Check if the connection betw een battery and inv erter is well Make sure battery condition is ok Then restart the inverter If error message remains please contact your installer Remove loads Be sure that total connected loads are less than maximum power consumption this inverter can support Then restart the inverter flashing Battery disconnected Check if battery cable is connected firmly If error message remains please contact your installer Inverter current is too high 1 Remove exessi e loads for a long time 2 Then restart the inverter Short circuited on irverter Turn off the im erter output Disconnect AC circuit breakerfirst Then disconnect DC circuit breaker and then disconnect the loads Please che ff load circuit is ok After remov ing the error turn on the PV DC breaker and battery breaker 4 Turn on the inverter 5 If error message remains please contact your installer Fan fault Please check if fans are runing ok Iffansare runing ok please shut down inverter first and then restart it Iffansare stop runing or error message remains after restart the inverter please contact your installer 32 15 Specifications Maximum DC Voltage array GRID UTILITY OUTPUT AC Nominal O utp
13. connected during maintenance and fully protected from ov er current of AC input NOTE1 Although this inv erter is equipped with a fuse F6 point on PCB 250VAC 30A for 3KW F6 andF7 points PCB 250VAC BOA for 2KW it s still necessary to install a separate circuit breaker for safety consideration Please use 250VAC 30A circuit breaker NOTE2 The over oltage category of the AC input is TIT It should be connected to the power distribution WA RNING It s very important for sy stem safety and efficient operation to use appropriate cable for grid utility connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for AC wire Nominal Grid Voltage 101 110 120 127 VAC 208 220 230 240 VAC Conductor cross section mm 10 11 10 12 5 2 Connecting to the AC Utility Step 1 Che the grid voltage and frequency with an AC voltmeter It should be the same to VAC value on the product label r BE 1 n t Step 2 Turn off the circuit breaker Chart 1 Step 3 Remove insulation sleeve 8 mm for three conductors And shorten phase L and neutral conductor N 3 mm Refer to chart 1 Step 4 Connectwires according to polarities indicated on terminal block Be sure to connectPE protective conductor first L gt LINE brown or black S Ground yellow green N Neutral blue Step 5 Make sure thewires are securely connected The reference tig
14. dicated on terminal block Be sure to connectPE protective conductor first Refer to Chart 8 L LINE brown or black Ground yellow green N Neutral blue Step 3 Make sure thewires are securely connected The reference tightening torque is 0 82N m Chart 8 CAUTION It s only allowed to connect load to AC Output Connector Do NOT connect the utility to AC Output Connector CAUTION Be sure to connect L terminal of load to L terminal of AC Output Connector and terminal of load to N terminal of AC utputC onnector The G terminal of AC Output Connector is connected to grounding of the load Do NOT mis connect CAUTION This inverter is not allowed to operate in parallel Please do NOT paralkl connect more than one unit in AC output connector Otherwise it will damage this inverter 9 Communication The inverter is equipped with RS232 and USB ports and is also equippedwith a slot for alternativ e communication interfaces in order to communicate w ith a PC with corresponding softw are This intelligent slot is suitable to install with SNMP card and Modbus card Follow below procedure to connect communication wiring and install the software For RS232 port y ou should use a DB9 cable as follow s Detailed information is listed in the next chapter After software is installed you may initial the monitoring softw are and extract data through communication port 11 10
15. e pollution degree of the inverter is PD2 Select an appropriate mounting location Install the solar inverter in a protected area that is dry free of excessiv e dust and has adequate air flow Do NOT operate itw here the temperature and humidity is beyond the specif ic limits Please check the specs for the limitations e Installation position shall not prevent access to the disconnection means e This inverter is designed with IP 20 for indoor applications only 4 2 Mounting Unit WA RNING Remember that this inverter is heavy Please be carefully w hen lifting out from the package Installation to the wall should be implemented with the proper screw s Mount wall bracket so that the solar inverter can be easily attached to the wall After that the device should be bolted on securely The inverter only can be used in a CIOSED ELECTRICAL OPERATING AREA WA RNING FIRE HAZARD SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON COMBUSTIBLE SURFACE ONY 1 Drill four holes in the marked locations 2 Place the unit on the surface and align the with four screw s mounting holes with the four screw s 416 gt ipi Check if the solar inverter is firmly Note Recommended specs for screws 7 5 7 9 5 Grid Utility Connection 5 1 Preparation Before connecting to AC utility please install a separate AC circuit breaker betw een inverter and AC utility This will ensure the inv erter can be securely dis
16. htening torque is 0 82 N m 6 Module DC Connection CAUTION Before connecting toPV modules please install separately aDC circuit breaker between inverter and PV modules NOTE1 Please use 600V DC 25A circuit breaker for 3KW 500V DC 25A for 2KW NOTE2 The over oltage category of the PV input is II Please follow below steps to implement PV module connection WA Because this inv erter is non isolated only tw o ty pes of PV modules are acceptable single cry stalline and poly cry stalline with only Class A rated To avoid any malfunction do not connect any PV moduks with possibility of leakage current to the inv erter For example non grounded PV moduleswill cause leakage current to the inverter Step 1 Check the inputvoltage of PV array modules The acceptable inputv oltage of the solar inv erter is 250VDC 450VDC for 3KW and 150V DC 320VDC for 2KW This sy stem is only applied with one string of PV array Please make sure that the maximum current load of PV input connector is 13A for 3KW and 15A for 2KW CAUTION Exceeding the maximum inputv oltage can destroy unit Check the sy stem before wire connection Step 2 Disconnect the circuit breaker Step 3 Remove insulation sleeve 10 mm for positive and negativ conductors Refer to chart 3 nad Step 4 Check correct polarity of connection cable from 3mm max PV moduks and PV input connectors Then connect posi
17. itors can remain charged for 5 minutes after disconnecting all sources of power A CAUTION Do not disassemble this inverter yourself It contains no user serv iceable parts Attempt to serv ice this inverter yourself may cause a risk of electrical shock or fire and will void the warranty from the manufacturer CAUTIO N To avoid a risk of fire and electric shock make sure that existing wiring is in good condition and that the wire is not undersized Do not operate the Inverter with damaged or substandard wiring CAUTIO N Under high temperature env ironment the cover of this inverter could be hot enough to cause skin burns if accidentally touched Ensure that this inv erter is aw ay from normal traffic areas 2 CAUTIO N Use only recommended accessories from installer Otherwise not qualified tools may cause a risk of fire electric shock or injury to persons CAUTION To reduce risk of fire hazard do not cover or obstruct the cooling fan not operate the Inverter if it has received a sharp blow been dropped or otherwise damaged in any way If the Inverter is damaged called for an RMA Return Material Authorization Symbols used in Equipment Markings Refer to the operating instructions N Caution risk of danger A _ Caution risk of electric shock Caution risk of electric shock Energy storage timed discharge au Caution hot surface 3 Unpacking amp Overview 3 1 Packing List Before i
18. n circuit voltage is less than 500VDC and the error message remains contact your installer Turn off the im erter Then restart the inverter If the error message still remains please contact your installer The ground voltage is too high Please disconnect AC breakerfirst and then DC breaker C heck if grounding is connected properly after LCD screen completely shuts down If grounding is correctly connected turn on DC brearker After it display s NoUtility in LCD screen turn on AC breaker After 300 seconds the sy stem will automatically connect to the grid If the error message still remains please contact your installer Fault N N Code PV insulation resistance is too low A difference occurred in readings from the main and secondary controllers Communication w the main and secondary controllers is interrupted ese aliy flashing ERROR ERROR ERROR Discharge circuit fault Soft start in battery discharge fails Charging voltage is too high Overload fault ERROR ERROR ERROR 31 Check if the impedance between positive and negati e poles to the ground is greater than 1 If the is lower than 1 please contact y our installer Please disconnect AC breakerfirst and then disconnect DC breaker After LCD screen is completely off turn on DC breaker Until it show s No Utility in LCD display turn on AC
19. nstallation pkase inspect the unit Be sure that nothing inside the package is damaged You should have received the follow ing items inside of package An 2 ah Inverter unit Software CD Manual USB cable 3 2 Product Overview 1 PV connectors 2 Grid connectors 3 Battery connectors 4 AC output connectors Load connection 5 RS 232 communication port 6 USB communication port 7 Intelligent slot 8 LCD display panel Please check section 10 for detailed LCD operation 9 Operation buttons 4 Installation 4 1 Selecting Mounting Location Consider the following points before sekcting where to install e Do not mount the inv erter on flammable construction materials e Mount on a solid surface e This inverter can make noises during operation which may be perceived as a nuisance in a living area 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 20 cm to the side and approx 50 cm above and below the unit e Dusty conditions on the unit may impair the performance of this inv erter e The ambient temperature should be between OC and 40C and relative humidity should be betw een 5 and 8596 to ensure optimal operation e The recommended installation position is to be adhered to vertical e For proper operation of this inverter please use appropriate cables for grid connection e Th
20. o types of PV modules to the inverter See Figure 1 for a simple diagram of a typical solar system with this hybrid inverter Note When PV input voltage is lower than 250V for 3KW and 150V for 2KW the power of inv erter will de rate 2 Important Safety Warning Before using the inverter please read all instructions and cautionary markings on the unit and this manual Store the manual where it can be accessed easily This manual is for qualified personnel The tasks described in this manual may be performed by qualified personnel only General Precaution Conventions used WA RNING Warnings identify conditions or practices that could result in personal injury CAUTION Caution identify conditions or practices that could result in damaged to the unit or other equipment connected WA RNING Before installing and using this inverter read all instructions and cautionary markings on the inverter and all appropriate sections of this guide WA Nomally grounded conductors may be ungrounded and energized when a qround fault is indicated WA RNING This inverter is heavy It should be lifted by at least two persons AN CAUTION Authorized serv ice personnel should reduce the risk of electrical shock by disconnecting AC DC and battery pow er from the inverter before attempting any maintenance or cleaning or working on any circuits connected to the inverter Turning off controls will not reduce this risk Internal capac
21. r to connected loads This inverter is activated to generate power to the loads v ia AC output connector At the same time the utility is out of range No battery is connected d n or battery is not available to use at this moment Only PV power is available to prov ide power to connected loads PY ARRAY By pass mode The inverter is working without DC INV operation and connecting to the loads This inverter is activated to generate power to the loads via AC output PV ARRAY EE connector At the same time PV power is not detected or available utility AMA lt pA lt is charging battery and prov iding BELIEBT 4 power to connected bads LOAD 09 Inverter fault occurs But this inverter is activ ated to generate power to loads via AC output connector PV PV ARRAY power is charging battery and the lt FA utility is prov iding power to the connected loads Note Refer to section 10 2 for detailed fault reference 23 This inverter is activated to generate power to the loads v ia AC output connector PV power and battery are not detected or available to use at this PV ARRAY moment Only utility is available to il prov ide power to connected loads LOAD N Standby mode The is working without DC INV operation and load connected The utility is out of range This inverter
22. rvice the unit yourself Battery maintenance Servicing of batteries should be performed or supervised by personnel know kdgeabk about batteries and the required precautions e When replacing batteries replace with the same type and number of batteries or battery packs e The following precautions should be observed when working on batteries a Removewatches rings or other metal objects b Use tools with insulated handles C Wear rubber glov es and boots d Do not lay tools or metal parts on top of batteries e Disconnect charging source prior to connecting or disconnecting battery terminals f Determine if battery is inadvertently grounded If inadvertently grounded remove source from ground Contact with any part of a grounded battery can result in electrical shock The likelihood of such shock can be reduced if such grounds are removed during installation and maintenance applicable to equipment and remote battery supplies not hav ing a grounded supply circuit CAUTIO N A battery can present a risk of electrical shock and high short circuit current CAUTIO N Do not dispose of batteries in a fire The batteries may explode CAUTIO N Do not open or mutilate batteries Released electroly te is harmful to the skin and eyes It may be toxic 27 14 Trouble Shooting When there is no information displayed in the LCD please check if PV module connection is correctly connected NOTE The warning and fault information can
23. ry AN Indicates that the warning occurs ERROR Indicates that the fault occurs Indicates fault code or warning code DATA RECORD FROM a 9 g B 5 Indicates date and time or the date and time users set for query ing energy generation BATTERY CAPACITY DATE YY MM DD TIME HH S Indicates solar panels Icon flashing indicates PV input v oltage or is out of range Indicates utility Icon flashing indicates utility voltage or frequency is out of range Indicates battery condition A nd the lattice of the icon Zh indicates capacity Icon um flashing indicates battery is not connected A Icon d flashing indicates the battery voltage is too low Indicates AC output for loads is enabled and inverter is prov iding power to the connected bads Indicates AC output for loads is enabled but there is no power provided from inverter At this time no battery and the utility are available Only PV power exists but is not able to provide power to the connected loads OVER LOAD Indicates overload TODAY ENERGY GENERATED TOTAL Kwh 595999899 Indicates PV energy generated 14 11 3 Button Definition Short press If its in query menu press this button to confirm selection or entry ENTER ON Press and hold the button for This inverter is able to provide power to approximately 1 second when connected loads via AC output connector the utility is detected or 3 seconds without the utility ESC O
24. ry types of Sealed lead acid battery Vented battery and Gel battery Below is recommended floating charging voltage table based on different battery pes Battery ty pe Recommended floating charging v oltage Sealed lead acid battery 53 6V Vented battery 52 8V Gel battery 54 0V NiCd battery 56 0V 25 Nicd battery alarm gt Enable le 1i ery mode Mute the buzzer in the Standby mode Enable Disable ED Miri PY inputwaltage i Aj PY inpulwollage Min AC input frequency D Min MPP voltage AC input frequency Max grid connected average von changing current Tegding power 1 Floating charging voltage Start LCD screens C Any schedule change will affect ihe power generated and shall be consenaively made System time 2012 01 18 Am 26 13 Maintenance amp Cleaning Check the following points to ensure proper operation of whok solar system at regular interv als e X Ensure all connectors of this inverter are cleaned all the time Before cleaning this inverter be sure to turn off all the breakers AC breaker battery breaker and PV DC breaker Clean this inverter during the cool time of the day whenever it is visibly dirty e Periodically inspect the sy stem to make sure that all wires and supports are securely fastened in place WA RNING There are no user replaceable parts inside of the inv erter Do not attempt to se
25. tiv e pole of connection cable to positive pole of PV input connector Connect negative pole of connection cable to negati e pole of PV input connector Refer to Chart 4 Step 5 Make sure thewires are securey connected The reference tightening torque is 1 22 N m Chart 4 WA RNING It s very important for sy stem 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 Conductor cross section mm AWG no 6 12 CAUTIO N Never directly touch terminals of the inverter It will cause lethal electric shock CAUTION DoNOT touch the inverter to avoid electric shock When PV modules are exposed to sunlight it may generate DC voltage to the inverter 7 Battery Connedion CAUTIO N Before connecting to batteries please install separately a DC circuit breaker between inverter and batteries NOTE Please only use sealed lead acid battery vented and Gel battery Please check maximum charging voltage and current w hen first using this inverter If using Lithium iron or Nicd battery please consult with installer for the details NOTE Please use Please use 60VDC 100A circuit breaker for 3KW and 60V DC 80A circuit breaker for 2KW Please follow below steps to implement battery connection Step 1 Check the nominalvoltage of batteries The nominal inputv oltage for hy brid inv erter is 48V DC Step 2 Use two
26. tor PV power is sufficient to charge battery provide power to loads and feed power back to utility No battery is connected or battery is not available to use at this moment PV ARRAY BATTERY This inverter is activated to generate power to the loads va AC output connector PV power and utility are prov iding pow er to the connected loads No battery is connected or battery is not available to use at this I T moment Pets T T E aS Inverter mode This inverter is working w ith DC INV operation and not connecting to grid This inverter is activated to generate power to the loads v ia AC output connector At the same time the utility PV ARRAY 1 _ a is out of range PV power is sufficient dA ANA yA TVN to charge battery and prov ide power to BATTERY the connected loads V mun This inverter is activated to generate power to the loads v ia AC output connector At the same time the utility is out of range PV power is generated but not sufficient enough to power loads by itself PV power and battery are prov iding power to the connected loads at the same time 22 This inverter is activated to generate TE power to the loads AC output DV ARRAY 4 connector At the same time the utility 77 2 7 7 A Bu EN is out of range PV power is not SATTEEY detected or available at this moment battery power is available to prov ide powe
27. ut V oltage 101 110 120 127 VAC 230 VAC Output Voltage Range 184 265 VAC 47 5 51 5 Hz or 47 5 51 5 Hz or 57 5 61 5 Hz 59 3 60 5Hz Nominal utput Current 17 A nrush Current Maximum O utput Fault Current 51A Maximum output Overcurrent P rotection 51A Power Factor Range 0 9 lead 0 9 lag ACINPUT 120 140 VAC 194 VAC 184 265 VAC Nominal Frequency BATTERY MODE OUTPUT AC Output Waveform BATTERY amp CHARGER m N Nominal Output Voltage Nominal Output Current Maximum Output Fault Current amp Maximum output Overcurrent Protection C 15 oj in 05 sihi lt Sele CU D gt CU gt D BATTERY amp CHARGER Nominal DC V oltage 48 VDC Maximum Battery Current Maximum Charging Current 33 Dimension D X W XH mm Net Weight kgs Communication Por Optional SNMP Modbus AS 400 cards ENVIRO NM ENT Protective C lass I Ingress Protection Rating Humidity 0 90 RH No condensing Operating Temperature 0 to 40 Altitude 0 1000 m Power derating 1 every 100 m when altitude is over 1000m 34
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