Hybrid PV Inverter User Manual
Contents
1. 14 Setting Display Procedure e Input voltage or frequency of AC input Procedure gt AC INPUT AC INPUT 4949 Enter AC OUTPUT KW Vac Hz 96 PV INPUT 888 BATTERY CAPACITY 200 DATA RECORD FROM 55 DATE YY MM DD TIME HH MM SS TODAY ENERGY GENERATED 8888 88 AC INPUT DO AC OUTPUT AC OUTPUT 5 KW 9 8 3 588 T Enter PV INPUT CC AC OUTPUT 6 0 0 C Vac 555 BATTERY CAPACITY BEE AC OUTPUT DATA RECORD FROM i 5 Oooo CI DATE YY MM DD TIME HH MM SS AC OUTPUT TODAY ENERGY GENERATED EE 88333838 15 Input voltage or Procedure power of PV input ae AC OUTPUT KW EG Hz u Yo 3 PV INPUT i BB gu Enter BATTERY CAPACITY paga DATA RECORD FROM Cts Ci e tel Oot YY MM DD TIME HH MM SS TODAY ENERGY GENERATED 888883 e Battery voltage2. ENERGY GENERATED 583388 17 e Mode of query energy generated Energy generation display of selected da Procedure AC INPUT G 8 8 Ha Hz AC OUTPUT KW 8 8 8 3 Hz pS PV INPUT KW Voit us BATTERY CAPACITY 888 DATA RECORD FROM 58 8 5 08 68 99 99 Enter Up Down DATE YY MM DD TIME HH MM DATE YY WM DD Sets year TODAY ENERGY GENERATED Flashes 988888 3 5 PME Enter DAY Enter 8 8 B 8 B g Enter gt u i DATE YY mu DD ets mont Flashes 4 uu 6 l DATA RECORD FROM y 86 68 89 Enter DATE YY MM DI Sets day Flashes LCD Display ENERGY GENERATED Dan ee LLLI LITI Energy generation display of selected month Procedure AC INPUT B 8 8 ms LJ AC OUTPUT KW g g g 3 Hz LJ 9 Pv INPUT nw Ver a BATTERY CAPACITY 888 88 88 88 Esc Enter Returns to main menu TODAY ENERGY GENERATEO DATA RECORD FROM 88885858 3 88 88 Enter Up Down Enter S ES Flashes Sets year 5 DATA RECORD FROM
3. Hybrid PV Inverter Table Of Contents s IntFrOdUcHOD sicat edis e e cun ce even EVA E MUTO UE LFU EUER RUE KE 1 2 Important Safety Warning 2 3 Unpacking amp Overview cisex n anne 4 SL PACKING List anna nee ST a 4 3 2 Product OVEIVIEW need 4 4 AnstallallOB uisi 1 DOO O 020 5 4 1 Selecting MOUNTING Location in ae 5 4 2 MOUNEING UNE een 5 5 Grid Utility Connection 2222 2 22232014 2 212 86 a ER RF 7 DE Lo Prepal ALON sis e O 7 5 2 Connecting to the AC UNIV ann 7 6 PV Module DC Connection eere 8 7 Battery Connection kn lon v s GO UE EcL GC COR GM Vi EVEN UA EN EVEN MN EROR 9 8 Load AC Output Connection 1 nn nn nn nn nnn 10 9 COMMISSIONING 2 a E ERE V E C RR ER RR 11 10 ODeratiOni cascos xus RR ADREXE AER GIORNI aeg 12 TOS LINEN C Eaa a 12 10 2 ECD Information Deine sn a 12 10 3 Button Definition sus 14 10 4 Query Menu OMG Kall ON sans 14 11 Charging Management iiss aaa OF E ER ER RR E RF RN ERR RR ERROR dee 24 12 Maintenance amp Cleaning 26 13 Trouble Shooting ccr RE ia 27 1371 Warning 0100101010101 27 13 2 Fault Reference Codes a 28 14 SDCCIICAUIONS a is arida eia vede asa 1 ae Tann Tau 32 1 Introduction This hybrid PV inverter can provide power
4. 4 CEN Enter 88 88 Enter u Dow nn DATE YY MM DD ets mont Flashes 6 LCD Display ENERGY GENERATED one J LI LI 18 Esc Enter Returns to main menu Energy generation display of selected year Procedure DATA RECORD FROM T DATE YY MM DO TIME HH MM ES LR ENERGY GENERATEO 8858888 3 Enter 7 EN 4 1 Down 5 Esc ema Enter BB Enter Up vi Sets year Flashes Enter Returns to main menu LCD Display ENERGY GENERATED mar un 10 5 Operation Mode amp Display Note This inverter can be set up as a Grid tie or Off grid inverter by communication interface Please contact the supplier for more detailed information Grid tie with backup mode This inverter is connected to grid and working with DC INV operation LCD Display This inverter is activated to generate i 6 us power to the loads via AC output solar MET u connector PV power is sufficient to charge battery provide power to loads
5. Be sure to connect PE protective conductor Chart 7 first Refer to Chart 8 L LINE brown or black Ground yellow green N Neutral blue Step 3 Make sure the wires are securely connected Chart 8 CAUTION It s only allowed to connect load to AC Output Connector Do NOT connect the utility to AC Output Connector CAUTION This inverter is not allowed to operate in parallel Please do NOT parallel connect more than one unit in AC output connector Otherwise it will damage this inverter 10 9 Commissioning Step 1 Check the following requirements before commissioning e Ensure the inverter is firmly secured e Check if the open circuit DC voltage of PV module meets requirement Refer to Section 6 e 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 the AC circuit breaker At this moment the inverter is turned on already However there is no output generation for loads Then e If LCD lights up to display the
6. Do not operate the Inverter with damaged or substandard wiring CAUTION Under high temperature environment the cover of this inverter could be hot enough to cause skin burns if accidentally touched Ensure that this inverter is away from normal traffic areas 2 A A CAUTION 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 CAUTION Do 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 3 Unpacking amp Overview 3 1 Packing List 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 9 e 2 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 selecting where to install e Do not mount the inverter on f
7. and feed power back to utility iM EN LOAD 19 7 SOLAR MPPT 6 TU PV ARRAY 8 Vv AMA lt VA TRA BATTERY PV ARRAY II lt BATTERY ac A Tm lt EA BATTERY 1 Y e PV ARRAY FEE lt BATTERY 20 This inverter is activated to generate power to the loads via AC output connector PV power is charging the battery At the same time PV power and the utility are supplying power to the connected load This inverter is activated to generate power to the loads via AC output connector PV power is generated but not sufficient enough to charge battery by itself PV power and the utility are charging battery at the same time And the utility is also supplying power to the connected load This inverter is disabled to generate power to the loads via 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 via AC output connector PV power and utility are charging battery at the same time This inverter is disabled to generate power to the loads via 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 via AC output connector PV power is sufficient to charge battery provide power to loads and feed power back to utili
8. 265 VAC 47 5 51 5 Hz or 47 5 50 2 Hz or 57 5 61 5 Hz 59 3 60 5Hz 13 6 A pa 00 ominal Output Current ower Factor AC INPUT C Start up Voltage uto Restart Voltage cceptable Input Voltage Range Maximum AC Input Current 2012 O O Z2 C IC ler O fo C IC ler T 5 o S m E gt gt g a gt ID te D 120 140 VAC 194 VAC 184 265 VAC 20A 60 70 VAC 90 VAC 80 130 VAC Maximum AC Input Current UJ oO o zi lt 0 0 m 0 6 V c p P eo ominal Output Voltage 208 220 230 240 VAC Output Frequency 50 Hz 60 Hz auto sensing Output Waveform Pure sine wave fficiency DC to AC 90 92 252142 W AEE 3 5 m C 5 SIZ QIO go o Oo FF a 2 9 3 n N Ul i ominal DC Voltage 48 VDC GENERAL I E lt V 6 O gt r 480 x 438 x 117 15 57 et Weight kgs NTERACE ommunication Port HIZO 3 D gt u 0 5 UO x x I PR 3 3 RS 232 USB Intelligent Slot Optional SNMP Modbus and AS 400 cards available NVIRONMENT umidity 0 90 RH No condensing Operating Temperature 0 to 40 C Ititude 0 1000 m Power derating 1 every 100 m when altitude is over 1000m 32
9. breaker for 3KW and 60VDC 80A circuit breaker for 2KW Please follow below steps to implement battery connection Step 1 Check the nominal voltage of batteries The nominal input voltage for hybrid inverter is 48VDC Step 2 Use two battery cables Remove insulation sleeve 12 mm and insert conductor into cable ring terminal Refer to E 4 chart 5 Step 3 Following battery polarity guide printed near the battery terminal Place the external battery cable ring terminal Chart 5 over the battery terminal Refer to Chart 6 RED cable to the positive terminal BLACK cable to the negative terminal UWS Step 4 Make sure the wires are securely connected EE 1 V fa DY 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 size as below Nominal Grid Voltage 101 110 120 127 VAC 208 220 230 240 VAC Conductor cross section mm 8 Load AC Output Connection WARNING It s very important for system 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 sleeve 8 mm for three conductors And shorten phase L and neutral conductor N 3 Brr T mm Refer to chart 7 2 Step 2 Connect wires according to polarities indicated on terminal block
10. is not detected or available at this moment Only utility is available to charge battery This inverter is disabled to generate power to the loads via AC output connector PV power and the utility are not detected or available at this moment 11 Charging Management Default Charging voltage Valie Note i It can be adjusted via software from Max charging current 5Amp to 25Amp It can be adjusted via software from Floating charging voltage default 54 0 Vdc 9 a 96 54 0 Vdc 50Vac to 56Vdc Floating charging voltage 2Vdc But the max absorption charging Max absorption charging 56 0 Vdc Voltage is 57Vdc Therefore if floating voltage default charging voltage is set to 56Vdc then max absorption charge voltage will be still 57Vdc Battery overcharge protection 590Vdc Charging process based on default u setti n 0 Bulk Voltage Float Voltage 3 stages First max charging voltage Absorption Floating 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 battery types of Sealed lead acid battery Vented battery and Gel battery Below is recommended floating charging voltage table based on different battery types Battery type Recommended floating charging voltage Sealed lead acid battery 53 6 V Vented battery 52 8 V Gel battery 54 0 V 24 Bu
11. or percentage Procedure AC INPUT DO AC OUTPUT KW Vac LI CI 7 PV INPUT 8887 BATTERY CAPACITY 3 B 999 Enter gt PV INPUT 999 Enter PV INPUT 988 BATTERY CAPACITY 5 999 Enter DATA RECORD FROM COO e ITA DATE YY MM DD TIME HH MM 5 TODAY ENERGY GENERATED 6865685 16 BATTERY CAPACITY 988 e Date and time Procedure AC INPUT AC OUTPUT w K Vac Hz nd 96 PV INPUT KW BBB BATTERY CAPACITY 588 DATA RECORD FROM 3 DATA RECORD FROM PB 9 99 gt Enter gt 88 99 88 DATE YY MM DD TIME HH MM SS DATE YY MM DATA RECORD FROM TODAY ENERGY GENERATED ang 1 88 88 88 AC INPUT OBE AC OUTPUT KW Vac Hz 9 SE 209 DATA le Um Jo c c OOo ot DATE YY MM DD TIME HH MM SS 3 TODAY ENERGY GENERATED topar ENERGY GENERATED 0 0 ut Enter G88
12. range No battery is connected or battery is not available to use at this moment Only PV power is available to provide power to connected loads Bypass mode The inverter is working without DC INV operation and connecting to the loads LCD Displa This inverter is activated to generate power to the loads via AC output SOLAR Tl connector At the same time PV power is not detected or available Only utility is charging battery and providing power to connected loads Inverter fault occurs But this inverter is activated to generate power to the loads via AC output connector PV power is charging battery and the VA gi lt VA A utility is providing power to the BNITENY connected loads Note Refer to section 10 2 for detailed fault reference PV ARRAY 22 SOLAR PV ARRAY Standby mode The inverter is working i 7 SOLAR MPPT 6 PV ARRAY uaa lt GA BATTERY qm gt WM amp BATTERY This inverter is activated to generate power to the loads via AC output connector PV power and battery are not detected or available to use at this moment Only utility is available to provide power to connected loads The utility is out of range This inverter is disabled on AC power output or even AC power output is enabled but an error occurs on AC output Only PV power is sufficient to charge battery This inverter is disabled to generate power to the loads via AC output connector PV power
13. to connected loads by utilizing PV power utility power and battery power When PV energy output is good it will power connected loads from solar electric photovoltaic 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 convert the utility at the same time Hybrid inverter Cc y m Lii T iQ 4 Bun Pi module n Distribution Box m NH TR Battery Electric grids Figure 1 Basic hybrid PV System Overview Depending on different power situations this hybrid inverter is designed to generate continuous power from PV solar modules solar panels battery and the utility When MPP input voltage of PV modules is within acceptable range see specification for the details this inverter is able to generate power to feed the grid utility and charge battery This inverter is only compatible with PV module types of single crystalline and poly crystalline Do not connect any PV array types other than these two 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 inverter 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 man
14. 8 mm for three conductors And shorten phase L and neutral conductor N 3 mm Refer to chart 1 Step 4 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor amp first L LINE brown or black Ground yellow green N Neutral blue Step 5 Make sure the wires are securely connected CAUTION To prevent risk of electric shock ensure the ground wire is properly earthed before operating this hybrid inverter no matter the grid is connected or not 6 PV Module DC Connection CAUTION Before connecting to PV modules please install separately a DC circuit breaker between inverter and PV modules NOTE Please use 600VDC 25A circuit breaker for 3KW 500VDC 25A for 2KW Please follow below steps to implement PV module connection WARNING This inverter is only compatible to two types of PV modules single crystalline and poly crystalline To avoid any malfunction do not connect any PV modules with possibility of leakage current to the inverter Step 1 Check the input voltage of PV array modules The acceptable input voltage of the solar inverter is 250VDC 450VDC for 3KW and 150VDC 320VDC for 2KW This system 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 input voltage can destroy the unit Check the system before wire con
15. RRENT cd 1 I cn C UL TODAY ENERGY GENERATED ERA 035 3 20 O 4 aay 2 0 0 0 0 0 Display EE Vac voltage Hz frequency Indicates AC output power voltage frequency or load percentage KW power Vac Voltage Hz frequency Load percentage AC OUTPUT 12 oo mm Indicates PV input voltage or power DIN Volt voltage KW power BATTERY CAPACITY mun Indicates battery voltage or percentage ecc Volt voltage 9o percentage CHARGING CURRENT LH H E dis Indicates charging current to battery N Indicates that the warning occurs ERROR Indicates that the fault occurs Indicates fault code or warning code ROM D0o n moo 5 Indicates date and time or the date and time users set for SCSI CALA Al f viet d EP LI CI LI querying energy generation Indicates solar panels SOLAR Icon flashing indicates PV input voltage or is out of range PV ARRAY Indicates utility Icon flashing indicates utility voltage or frequency is out of e Indicates battery condition And the lattice of the icon indicates battery capacity Icon BATTERY flashing indicates battery is not connected Icon flashing indicates the battery voltage is too low Indicates AC output for loads is enabled and inverter is SAN providing power to the connected loads 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
16. aximum power consumption this inverter can support Then restart the inverter Overload fault 30 Battery disconnected ERROR Check if battery cable is connected firmly If error message remains please contact your installer for a long time Then restart the veneer 26 Short circuited on inverter ERROR Turn off the inverter output Disconnect AC circuit breaker first Then disconnect DC circuit breaker and then disconnect the loads Please check if load circuit is ok After removing 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 27 Fan fault A Please check if fans are runing ok If fans are runing ok please shut down inverter first and then restart it If fans are stop runing or error message remains after restart the inverter please contact your installer 31 14 Specifications Hybrid Inverter 2KW Hybrid Inverter 3KW 2000 W 3000 W 360 VDC 500 VDC 116 VDC 150 VDC 250 VDC 450 VDC 13A MODEL RATED POWER I lt 2 U c j pm Jg e 300 VDC 350 VDC 80 VDC 120 VDC 150 VDC 320 VDC ominal DC Voltage aximum DC Voltage tart up Voltage Initial Feeding Voltage Ql ZI gt nz zZ 273 955 SEB 513 8 5 lo ei O Js 52 gc do dlc pom gt 0 Ul ominal Output Voltage 208 220 230 240 VAC 88 127 VAC 184
17. current inverter status commissioning has been successfully After pressing ON button for 1 second when the utility is detected this inverter 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 warning fault indicator appears in LCD an error has occurred to this inverter Please inform your installer Step 3 Install monitoring software in your PC Follow below steps to install software 1 Go to the website http www power software download com solarpower html to download software in your PC Then please execute setup exe for initiating installation software 2 Follow the on screen instructions to install the software 3 When your computer restarts the monitoring software will appear as shortcut icon located in the system tray near the clock 11 10 Operation 10 1 Interface This display is operated by four buttons NOTICE To accurately monitor and calculate the energy generation please calibrate the timer of this unit via software every one month For the detailed calibration please check the user manual of bundled software 10 2 LCD Information Define AC INPUT DATA RECORD ve AC OUTPUT Cc LEN ac gga HHHH HH 888 DATE YY MM DD TIME HH MM SS PV INPUT Cic c BS o Em uer LI LLLI BATTERY CAPACITY PV ARRAY REC 999 za 5 xim CHARGING CU
18. e contact our installer The ground voltage is too high Please disconnect AC breaker first and then DC breaker Check if grounding is connected properly after LCD screen completely shuts down If grounding is correctly connected turn on DC brearker After it displays No Utility in LCD screen turn on AC breaker After 300 seconds the system will automatically connect to the grid If the error message still remains please contact your installer Check if the impedance between positive and negative poles to the ground is greater than 1MQ If the impedance is lower than 1MQ please contact our installer Please disconnect AC breaker first and then disconnect DC breaker After LCD screen is completely off turn on DC breaker Until it shows No A difference occurred in the readings from the main and controllers Communication with the ERROR main and secondary controllers is interrupted Utility in LCD display turn Soft start in battery on AC breaker After 300 discharge fails seconds the system will automatically connect to the grid If error message remains please contact your installer Charging voltage is too high EEB Check if the connection between battery and inverter is well Make sure battery condition is ok Then restart the inverter If error message remains please contact your installer Remove exessive loads Be sure that total connected loads are less than m
19. eference Codes When a fault occurs the icon EM will flash as a reminder See below for fault codes for reference me ty mmol Code upper threshold the lower threshold time out time out event is detected DC component in the output EEE current exceeds the upper threshold detected An relay failure event is detected Leakage current CT failed ERROR 28 Over temperature fault 14 Inverter DC component exceeds the allowable range Disconnect AC circuit breaker first Then disconnect DC circuit breaker Until LCD screen completely shuts down turn on DC breaker first It will show No Utility in LCD screen Then turn on AC breaker After 300 seconds the system will automatically connect to the grid If the error message still remains please contact your installer The internal temperature is higher than specified temperature Leave inverter to be cooled to room temperature If the error message still remains please contact your installer PV input voltage exceeds the upper threshold Auxiliary power failed Auxiliary power means switch power supply Leakage current exceeds the allowable range 29 Check if the open circuit voltage of PV modules is higher than 500VDC If PV open circuit voltage is less than 500VDC and the error message remains pelase contact our installer Turn off the inverter Then restart the inverter If the error message still remains pleas
20. he surface and align the with four screws mounting holes with the four screws 416 2 Fre pou Hire ni r Note Recommended specs for screws DIDI CJ O 2 Q 7h ct ct h 3 lt 5 Grid Utility Connection 5 1 Preparation Before connecting to AC utility please install a separate AC circuit breaker between inverter and AC utility This will ensure the inverter can be securely disconnected during maintenance and fully protected from over current of AC input NOTE1 Although this inverter is equipped with a fuse F6 point on PCB 250VAC 30A for 3KW F6 and F7 points on PCB 250VAC 30A for 2KW it s still necessary to install a separate circuit breaker for safety consideration Please use 250VAC 30A circuit breaker WARNING It s very important for system 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 3KW 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 Check the grid voltage and frequency with an AC voltmeter It should be the same to VAC value on the product label 5 Step 2 Turn off the circuit breaker etes Chart 1 Step 3 Remove insulation sleeve
21. lammable 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 Install this inverter at eye level in order to allow the LCD display to be read at all times 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 Dusty conditions on the unit may impair the performance of this inverter The ambient temperature should be between 0 C and 40 C to ensure optimal operation The recommended installation position is to be adhered to vertical For proper operation of this inverter please use appropriate cables for grid connection Select an appropriate mounting location Install the solar inverter in a protected area that is free of excessive dust and has adequate air flow Do NOT operate it where the temperature and humidity is beyond the specific limits Please check the specs for the limitations e This inverter is designed with IP20 for indoor applications only 4 2 Mounting Unit WARNING Remember that this inverter is heavy Please be carefully when lifting out from the package Installation to the wall should be implemented with the proper screws Mount the wall bracket so that the solar inverter can be easily attached to the wall After that the device should be bolted on securely 1 Drill four holes in the marked locations 2 Place the unit on t
22. nection Step 2 Disconnect the circuit breaker Step 3 Remove insulation sleeve 10 mm for positive and E negative conductors Refer to chart 3 Step 4 Check correct polarity of connection cable from E PV modules and PV input connectors Then connect positive pole of connection cable to positive pole of PV input connector Connect negative pole of connection cable to negative pole of PV input connector Refer to Chart 4 Chart 3 Step 5 Make sure the wires are securely connected Chart 4 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 Conductor cross section mm 23 35 6 12 gt 1 G j 0 CAUTION Never directly touch terminals of the inverter It will cause lethal electric shock CAUTION If it s necessary to turn off the inverter during operation make sure to disconnect the AC breaker first and then PV DC breaker 7 Battery Connection CAUTION 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 when 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
23. ned as warnings When a warning situation occurs AN icon will flash and the fault code area will display WR wordings You may check software for the detailed warning situations Please contact your installer when below warning situations occur U Te CPU is performing the Sampling adjustment is in process in DSP auto correction of AD signals Data saving failure A Flash memory fails Input PV is found lost FEN The PV input voltage is out of range PV input voltage reads low A The input PV voltage is too low to initiate the inverter Power island AA Islanding condition is detected initialization turned on the upper threshold limit the lower threshold exceeds the upper threshold limit below the lower threshold Power grid connected Average feeding voltage has exceed the upper average voltage exceeds the limit maximum threshold Emergent grid disconnection The utility is abnormal Battery voltage is too low N The battery voltage is less than 42V Low battery an Battery voltage is less than 25 of battery capacity or the battery voltage less than 44V Battery is disconnected N Battery is not detected End of battery discharge Low voltage from over discharging Battery voltage is below 42V This battery is charging now and not achieving to 50V yet Overload TAA Overload Over temperature alarm Over temperature 27 ee No electrical ground A o Ground loss 13 2 Fault R
24. power exists but is not able to provide power to the connected loads OVER LOAD Indicates overload TODAY ENERGY GENERATED TOTAL mm Kwh LI LI LB Lg SG Ll 1 D ODDO 8 Indicates PV energy generated 13 10 3 Button Definition 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 OFF Press and hold the button until the buzzer continuously Turn off power to the loads sounds Short press Select last selection or increase value If it s in query menu press this button to ous Shore jump to next selection or decrease value Mute alarm in standby mode or battery mode 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 10 4 Query Menu Operation The display shows current contents that have been set The displayed contents can be changed in query menu via 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 voltage or capability percentage Date and time Today or total energy generated Mode of query energy generated
25. ty RATE il No battery is connected or battery is PV ARRAY LOAD not available to use at this moment UN Gono neon I This inverter is activated to generate power to the loads via AC output connector PV power and utility are providing power to the connected 0 loads No battery is connected or BATTERY il battery is not available to use at this PV ARRAY Y LOAD moment KD Em ae Inverter mode This inverter is working with DC INV operation and not connecting to the grid This inverter is activated to generate power to the loads via AC output SOLAR wert pu connector At the same time the utility PV ARRAY as is out of range PV power is sufficient AMA lt WA lent 5 to charge battery and provide power to the connected loads This inverter is activated to generate power to the loads via 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 providing power to the connected loads at the same time 21 This inverter is activated to generate power to the loads via AC output connector At the same time the utility is out of range PV power is not detected or available at this moment Only battery power is available to provide power to connected loads This inverter is activated to generate power to the loads via AC output connector At the same time the utility is out of
26. ual is for qualified personnel The tasks described in this manual may be performed by qualified personnel only General Precaution Conventions used WARNING 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 WARNING Before installing and using this inverter read all instructions and cautionary markings on the inverter and all appropriate sections of this guide WARNING Normally grounded conductors may be ungrounded and energized when a ground fault is indicated WARNING This inverter is heavy It should be lifted by at least two persons A C CAUTION Authorized service personnel should reduce the risk of electrical shock by disconnecting AC DC and battery power 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 capacitors can remain charged for 5 minutes after disconnecting all sources of power CAUTION Do not disassemble this inverter yourself Tt contains no user serviceable parts Attempt to service this inverter yourself may cause a risk of electrical shock or fire and will void the warranty from the manufacturer CAUTION 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
27. zzer alarm Mute the buzzer in the Standby mode Min AC input voltage Max AC input voltage Min AC input frequency Max AC input frequency Max grid connected average voltage Max feeding power Start LCD screen saver after Mone Disable Disable Mute alarm in battery mode Enable Min PV input voltage Max PV input voltage Min MPP voltage Max MPP voltage Max charging current Floating charging voltage Any schedule change will affectthe power generated and shall be conservatively made stem time 2012 01 18 Apply 25 Disable ja da da da da aa aa qa 12 Maintenance amp Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals e Ensure all connectors of this inverter are cleaned all the time e Before cleaning this inverter be sure to turn off all the breakers AC breaker battery breaker and PV DC breaker e Clean this inverter during the cool time of the day whenever it is visibly dirty e Periodically inspect the system to make sure that all wires and supports are securely fastened in place WARNING There are no user replaceable parts inside of the inverter Do not attempt to service the unit yourself 26 13 Trouble Shooting When there is no information displayed in the LCD please check if PV module connection is correctly connected 13 1 Warning List There are 21 situations defi
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