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Hybrid PV Inverter User Manual

1. i E 22 status Lic mess lt gt ZA mans Section 12 5 describes ee Gee all operation conditions Hf gt 9 gt when the inverter is set up at Grid tie with backup T mode WIRING FAULT Display Funtin 0 YO y c es Indicates AC input voltage or frequency 28 Indicates AC output power voltage frequency or load AC OUTPUT percentage 888 KW power Vac Voltage Hz frequency Load percentage Indicates PV input voltage or power DIN Volt voltage KW power PV INPUT 25 BATTERY CAPACITY mun Indicates battery voltage or percentage i Ka Ku e Volt voltage percentage CHARGING CURRENT Li H Li ie Indicates charging current to battery N Indicates that the warning occurs ERROR Indicates that the fault occurs m Indicates fault code or warning code Fr Indicates date and time or the date and time users set for querying energy generation Indicates solar panels Icon flashing indicates PV input voltage or is out of range 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 BATERY flashing indicates battery is not connected Icon 4 flashing indicates the battery voltage is too low Indicates AC output for loads is enabled and inverter is providing
2. SECTION A Standard It will list local grid standard It s requested to have factory password to make any modifications Please check local dealer only when this standard change is requested CAUTION Wrong setting could cause the unit damage or not working MyPower Management Grid tie with backup Grete Standard vpEo126 I Nominal output voltage 230 Y Nominal output frequency 50 Y Setting PY energy supply priority setting Grid Tie with Backup l Priority 1st Battery gt 2nd Load gt 3rd Grid Configuration details Please enter factory password Charging source PY and Grid v ging Password PV charging first If PV p Login Clear Leo Cesar FV Allow to feed in to the Grid m Load supply source PV is unavailable X Grid Battery Load supply source PV is available PWY Grid Battery Priority 1st PV 2nd oria sro bauery 1 M Allow battery to feed in to the Grid when PV is unavailable Allow AC charging duration 00 00 mem 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 14 33 1 530m 00 00 00 00 means AC Output timer function disable Apply Close Nominal Output Voltage There are 5 options for high voltage system to select 240V 230V 220V 208V and 202V For low voltage system there are four options 127 120 110 and 101 Nominal Output Frequency There are two options to select 50HZ or 60HZ SECTION B This section contents may be di
3. not available to use at this moment BATTERY eme icon is flashing PV power and utility are providing power to the connected loads because of insufficient PV power No battery is connected or battery is not available to f use at this moment icon is BATTERY flashing ES V Loap Inverter mode without grid connected PV ARRAY This inverter is working with DC INV operation and not connecting to the grid PV power is sufficient to charge battery and provide power to the connected SOLAR meet V loads At the same time the utility is PV ARRAY as unury Wah lt FA yA out of range CHE icon is flahsing qun 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 At the same nz the utility is out of range icon is flahsing 34 PV power is not detected or available at this moment Only battery power is available to provide power to connected loads At the same time the ffs UTILITY utility is out of range BE and HH zz d icons are flahsing Only PV power is available to provide power to connected loads At the same time the utility is out of range No battery is connected or battery is not d available to use at this moment BATTERY PV ARRAY and mm icons are flahsing Bypass mode The inverter is working without DC INV operation and connecting to t
4. Hybrid PV Inverter Table Of Contents I INLTOQUELION a innen 1 2 Important Safety Warning uzu2unu000nunannunannununnnnnnnnnnnunnnnunnnnannnnunnnnnnunnnnannnnenn 2 3j UNPACKING amp OVervieW uu u Q Su nennen 4 381 PACKING Ec 4 532 APErOdblcE OVeLVIGW s stas meten dum A di 4 A TASCAM AMON cists 0 EVE INN NEUE 5 4 1 Selecting Mounting Location a 5 4 2 MOUNTING OIG rei 5 5 Grid Utility CONNECTION Guia nie 7 SM PECDAlALION ana se nenne 5 2 Connecting Tote AG Utilkllyuu uu OR Kn Uc c RE clara 7 6 PV Module DC Connect uses nain KR ER ERE een KR AO RR FAC RR E 8 7 Battery Connection asian 9 8 Load AC Output 10 4 4 5 5 3 9 1 465 44644484 884 8 988869 10 9 Communication EX VE F CE 11 10 Commissioning sn El RERO RO ERR RE ERROR RA GER RR ER RR LE LU ER 12 LI Initial Setup 13 12 Operation uni s eaVEKEEENEUEVRE CK VHUERERVEARVES EAEEREN EA 25 TD AE Intel Tae suo robo E M p ED E EON tages 25 12 2 LCD Information Define eere nnn nnn nnn rn nar nnn nni
5. Load and 3 Grid PV power will charge battery first then provide power to the load If there is any remaining power left it will feed in to the grid 15 Battery charging source Um PV and Grid Default It s allowed to charge battery from PV power first If it s not sufficient grid will charge battery 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s from PV power or grid Load supply source When PV power is available 1 PV 2 Grid 3 Battery If battery is not fully charged PV power will charge battery first And remaining PV power will provide power to the load If it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1 Grid 2 Battery Default Grid will provide power to the load at first If grid is not available battery power will provide power backup 2 1 Battery 2 Grid Battery power will provide power to the load at first If battery power is running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage e Grid with backup II Mode Grid tie with backup eme omen Standard vpEo126 I Nominal outputvoltage 240 Y Nominal output frequency 60 Setting PY e
6. 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 27 Setting Display Procedure e Input voltage or frequency of AC input Procedure gt gt AC INPUT AC INPUT 585 v Enter gag 099 ud 4 AC INPUT 0 0 0 1 oo PV INPUT 4 i BHHB BATTERY CAPACITY Dad Lui DATA RECORD FROM 20 00 00 Oooo DATE YY MM DD TIME HH MM SS TODAY ENERGY GENERATED 888888 Frequency voltage power or percentage of AC output Procedure j 5 AC OUTPUT AC OUTPUT 7 Enter aaa gt Enter PV INPUT Cw AC OUTPUT OA 4 B B g vac BATTERY CAPACITY I 8 B 8 vn AC OUTPUT DATA RECORD FROM agg eoucu i gooo oo DATE YY MM DD TIME HH MM SS AC OUTPUT TODAY ENERGY GENERATED 555 555558 28 Input voltage or power of PV input Procedure AC INPUT 8 8 0 AC OUTPUT KW 888 Hz 3 5 PV INPUT i PV INPUT u O 09 95 Ente
7. Load supply source PV is unavailable When Battery is higher priority than Grid in Load supply source PV is unavailable this option is default selected Under Grid tie mode this option is invalid Allow battery to feed in to the Grid when PV is available This option is only valid in Grid tie with backup II or Grid tie with backup III modes Allow battery to feed in to the Grid when PV is unavailable This option is only valid in all options of Grid tie with backup mode Grid tie with backup e Grid tie with backup I Mode 3 rend Standard vpEe4105 PA Nominal output voltage 230 Y Nominal output frequency 50 P Pv energy supply priority setting Grid Tie with Backup l Priority 1st Battery gt 2nd Load 3rd Grid Configuration details Charging source PV and Grid 27 PV charging first If PV power is not sufficient PV and grid will charge battery together PA Allow to feed in to the Grid Load supply source PY is unavailable Grid Battery Load supply source PV is available PWV Grid Battery Priority 1st PV 2nd Grid gt 3rd Battery ESO RULES LORS FN Allow battery to feed in to the Grid when PV is unavailable Allow AC charging duration 00 00 fe 04 008 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 14 33 15 30 00 00 00 00 means AC Output timer function disable Apply Close PV energy supply priority setting 1 Battery 2
8. Peak time Priarity 1st PV gt 2nd Grid gt 3rd Battery Load supply source PV is unavailable PeakOff Peak Grid Electricity Demand r Peak time lt Priority 1st Battery gt 2nd Grid Off Peak time Grid Only Off Peak duration 00 00 04 00 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 00 00 00 00 00 00 00 00 means AC Output timer function disable Apply Close Working logic under peak time PV energy supply priority 1 Load 2 Battery and 3 Grid PV power will provide power to the load first If PV power is sufficient it will charge battery next If there is remaining PV power left it will feed in to the grid Feed in to the grid is default disabled Battery charging source PV only Only after PV power fully supports the load the remaining PV power is allowed to charge battery during peak time Load supply source 1 PV 2 Battery 3 Grid PV power will provide power to the load first If PV power is not sufficient battery power will back up the load If battery power is not available grid will provide the load When PV power is not available battery power will supply the load first If battery power is running out grid will back up the load Working logic under off peak time PV energy supply priority 1 Load 2 Grid and 3 Battery PV power will provide power to the load first If PV power is sufficient it will feed in to the grid Only after feed in power reaches max feed
9. frequency 50 1 N ep Max grid connected voltage 263 5 gr Apply The waiting time before grid connection 30mm 5 Min grid connected frequency 47 6 mm Apply Max feed in grid power 3 000 mee VW Min PV input voltage 80 V Apply Bulk charging voltage C V voltage e m E Max PV input voltage 500mm V Apply Floating charging voltage Min MPP voltage 120 V Apply Battery cut off discharging voltage when Grid is available Ex A npe Max MPP voltage 450 mee V Apply Battery re discharging voltage when Grid is available EOS SER Max charging current 25 xpply Battery cut off discharging voltage when Grid is unavailable TBIMIBIBIBI Start LCD screen saver after 30 Sec 1 Battery re discharging voltage when Grid is unavailable Mute alarm in battery mode Enable Disable Apply Mute the buzzer in the Standby mode Enable Disable dal Generator as AC source Enable O Disable ll EM EN 2m A B mm Min C Any schedule change will affect the power generated and shall be conservatively made System time 2013 07 26 14 14 04 Apply 36 14 Maintenance amp Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals 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
10. in power setting the remaining PV power will charge battery NOTE The max feed in grid power setting is available in parameter setting Please 19 refer to software manual Battery charging source PV and grid charge battery PV power will charge battery first during off peak time If it s not sufficient grid will charge battery Load supply source 1 PV 2 Grid 3 Battery When battery is fully charged remaining PV power will provide power to the load first If PV power is not sufficient grid will back up the load If grid power is not available battery power will provide power to the load Grid Tie Under this operation mode PV power only feeds in to the grid No priority setting is available Mode Grete win backup j rend Standard vpE4105 FA Nominal outputvoltage 230 Y Nominal output frequency 50 Setting Pv energy supply priority setting Grid Only Configuration details Charging source Load supply source PV is available N A Load supply source PV is unavailable NMA 886 HE H Allow AC charging duration 00 00 04 oH 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 14 32 5 30 00 00 00 00 means AC Output timer function disable 20 Off Grid e Off Grid I Default setting for off grid mode Mode Gate win backup Tene 11 6 Standard Nominal output voltage 230 Y Nominal output frequency 50 Y Setting PV energy supply priority setting Off Gri
11. open or mutilate batteries Released electrolyte is harmful to the skin and eyes Tt may be toxic 39 15 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 be recorded by remote monitoring software 15 1 Warning List There are 21 situations defined 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 Description 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 The PV input voltage is out of range PV input voltage reads low The input PV voltage is too low to initiate the inverter AN N N Powerisand A Islanding condition is detected initialization turned on The grid voltage has exceeded the highest the upper threshold limit The grid voltage is beyond the lowest limit the lower threshold The grid frequency has exceeded the highest exceeds the upper threshold limit Power grid frequency falls The grid frequency is beyond the lowest limit below the lower threshold Power grid connected Average feeding voltage has exceed the upper average voltag
12. 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 power exists but is not able to provide power to the connected loads OVERLOAD Indicates overload TODAY ENERGY GENERATED TOTAL 4 Kwh gagag tcoze Indicates PV energy generated 26 12 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 12 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 Input voltage or frequency of AC input Frequency voltage power or load percentage of
13. power will provide power to the load first Tf it S not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1 Grid 2 Battery Grid will provide power to the load at first If grid is not available battery power will provide power backup 2 1 Battery 2 Grid Battery power will provide power to the load at first If battery power is running out grid will back up the load 18 NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage e Grid tie with backup IV Users are only allowed to set up peak time and off peak electricity demand Mode Grid tie with backup T Orem Standard VDEO0126 PP Nominal outputvoltage 230 MP Nominal outputfrequency so MW Setting PY energy supply priority setting Grid Tie with BackupiV P Peak time Priority 1st Load gt 2nd Battery gt 3rd Grid Off Peak time Priority 1st Load gt 2nd Grid gt 3rd Battery Configuratian details Charging source Peak Off Peak Grid Electricity Demand Peaktime PV power charge battery Off Peak time PV and grid charge battery Allow to feed in to the Grid Load supply source PY is available Peak Off Peak Grid Electricity Demand 22 Peak time Priority 1st PV gt 2nd Battery gt 3rd Grid Off
14. 25 125 siarum M M 27 12 4 Query Menu Operation U 27 12 5 Operation Mode amp Display a 32 13 Charging Man agem tu uu i ia RNANA ANAKAN EREADER EE ER 37 14 Maintenance amp Cleaning u 39 15 Trouble Sliootll ig dri sav KE Fen UNSERES 40 15 Walllinigiiisuuu y y verge Euren RENS Vers dt ibid Feo Educa c dU 40 15 2 Fault Reference Codes 2 eere nmn nnn nnn nar nna rn nuni 41 16 SDEEINCALIONS nie 46 1 Introduction This hybrid PV inverter can provide power to connected loads by utilizing PV power utility power and battery power Hybrid inverter Comm Distribution Box LO Load Battery PV module 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 typ
15. None It is not allowed to charge battery no matter it s PV power or grid NOTE It s allowed to set up AC charging duration Load supply source When PV power is available 1 PV 2 d Battery 3 Grid PV power will provide power to the load first If it s not sufficient battery power will back up the load Only after battery power is running Grid will back up the load When PV power is not available 1 1 Grid 2 4 Battery Grid will provide power to the load at first If grid is not available battery power will provide power backup 2 1 Battery 2 4 Grid Battery power will provide power to the load at first If 23 battery power is running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage 24 12 Operation 12 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 12 2 LCD Information Define DATA RECORD FROM AC OUTPUT EDS a TEL I AEA AE LEE DATE YY MM DD TIME HH MM SS z z nS 94 11 LE u Y sous vy GRID ENEN BACK UPJ III Qe 4 BATTERY CAPACITY PV INPUT i Real time operation
16. able to install with SNMP card and Modbus card Follow below procedure to connect communication wiring and install the software For RS232 port you should use a DB9 cable as follows li Please install monitoring software in your computer Detailed information is listed in the next chapter After software is installed you may initial the monitoring software and extract data through communication port 11 10 Commissioning Step 1 Check the following requirements before commissioning Ensure the inverter is firmly secured Check if 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 Check if connection of AC cable to grid utility is correct if the utility is required Full connection to PV modules 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 If LCD lights up to display the current inverter status commissioning has been successfully After pressing ON button for 1 second when the utility is detected this
17. an destroy the unit Check the system before wire connection Step 2 Disconnect the circuit breaker i JE Step 3 Remove insulation sleeve 10 mm for positive and negative conductors Refer to chart 3 Step 4 Check correct polarity of connection cable from PV Chart 3 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 Step 5 Make sure the wires are securely connected The reference tightening torque is 1 22 N m 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 D gt N gt o CAUTION Never directly touch terminals of the inverter It will cause lethal electric shock CAUTION Do NOT touch the inverter to avoid electric shock When PV modules are exposed to sunlight it may generate DC voltage to the inverter 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
18. between positive and negative poles to the ground is greater than 1MQ If the impedance is lower than 1MQ please contact our installer Discharge circuit fault circuit fault secondary controllers j Communication with the main and secondary Eee me e EN is interrupted ERROR ERROR ERROR ERROR Soft start in battery discharge fails Charging voltage is too high Overload fault ERROR ERROR Battery disconnected Short circuited on inverter output ERROR disconnect DC breaker After LCD screen is completely off turn on DC breaker Until it shows No Utility in LCD display turn on AC breaker After 300 seconds the system will automatically connect to the grid If error message remains please contact your installer 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 maximum power consumption this inverter can support Then restart the inverter Check if battery cable is connected firmly If error message remains please contact your installer 25 Inverter current is too high 1 Remove exessive loads for a long time 2 Then restart the inverter Turn off the inverter Disconnect AC circuit breaker first Then disconnect DC circuit breaker and then dis
19. connect the loads Please check if load circuit is ok After removing the Fan fault OP Current Sensor fault Charger failure Version mismatch between controller board and power board Reverse connection of input and output wires ERROR ERROR ERROR ERROR ERROR 44 error turn on the PV DC breaker and battery breaker Turn on the inverter If error message remains please contact your installer 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 Shut down the inverter completely Restart the inverter to see if it s ok If error message still remains please contact your installer Shut down the inverter completely Restart the inverter to see if it s ok If error message still remains please contact your installer Shut down the inverter completely Restart the inverter to see if it s ok If error message still remains please contact your installer Shut down the inverter completely Check if grid wires are connected to AC output terminals 45 If mis connected re connect it correctly And turn on the inverter again If error message still remains please contact our installer 16 Specifications MODEL RATED POWER 3000 W g lt lt I c m Jg 2000 W Star
20. d l Priority 1st Load 2nd Battery Grid relay is connected in inverter mode Configuration details Charging source PY or Grid PV will charge battery first If Pv power is loss grid will charge battery Load supply source PV is available PV Battery Grid 27 Priority 1st PV gt 2nd Battery gt 3rd Grid Load supply source PV is unavailable Battery Grid m m m Priority 1st Battery gt 2nd Grid This option is ineffective during of AC charging I T I Allow AC charging duration 000 0400 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 1433 153088 00 00 00 00 means AC Output timer function disable PV energy supply priority setting 1 Load 2 Battery PV power will provide power to the load first and then charge battery Feed in to the grid is not allowed under this mode At the same time the grid relay is connected in Inverter mode That means the transfer time from inverter mode to battery mode will be less than 15ms Besides it will avoid overload fault because grid can supply load when connected load is over 3KW Battery charging source 1 PV or Grid If there is remaining PV power after supporting the loads it will charge battery first Only until PV power is not available grid will charge battery Default 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s PV power or grid Load s
21. e DATA RECORD FROM i 88 88 85 DATE YY MM DD TIME HH NM SS DATA RECORD FROM TODAY ENERGY GENERATED 8888885 E 3 8a B g Up Down Enter DAY Y cm Sets year DATA RECORD FROM 4 T 88 88 Enter DATE MM DO Sets month Flashes Returns to main menu LCD Display ENERGY GENERATED ori LI LI 31 Energy generation display of selected year Procedure Enter DAY 4 1 om 5 Esc Enter M ONBS SEnter Up Down Sets year Flashes Enter Returns to main menu LCD Display ENERGY GENERATED mori 12 5 Operation Mode 8 Display Below is only contained LCD display for grid tie with backup mode I If you need to know other operation mode with LCD display please check with installer Inverter mode with grid connected This inverter is connected to grid and working with DC INV operation LCD Display a PV power is sufficient to charge ups F Y battery provide power to
22. e 240 P Nominal output frequency 60 Y Setting PY energy supply priority setting Off Grid lll Priority 1st Load gt 2nd Battery Grid relay is disconnected in inverter mode Configuration details Charging source PV or Grid Y PV will charge battery first If Pv power is loss grid will charge battery Load supply source PV is available PY Battery Grid Priority 1st PV gt 2nd Battery gt 3rd Grid Load supply source PV is unavailable Grid Battery r Priority 1 st Grid gt 2nd Battery 8 8 8 B E Allow AC charging duration 08 00 08 000 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 08 008 08 008 00 00 00 00 means AC Output timer function disable Apply Close PV energy supply priority setting 1 Battery 2 Load PV power will charge battery first After battery is fully charged if there is remaining PV power left it will provide power to the load Feed in to the grid is not allowed under this mode The grid relay is NOT connected in Inverter mode That means the transfer time from inverter mode to battery mode will be about 15ms If connected load is over 3KW this inverter will activate fault protection Battery charging source 1 PV or Grid If there is remaining PV power after supporting the loads it will charge battery first Only until PV power is not available grid will charge battery 2 PV only It is only allow PV power to charge battery 3
23. e exceeds the limit maximum threshold Emergent grid disconnection The utility is abnormal Battery voltage is too low A 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 40 bes EEE Hum Ovroad N Overload S Over temperature alarm N Over temperature No electrical ground A Ground loss 15 2 Fault Reference Codes When a fault occurs the icon ittis will flash as a reminder See below for fault codes for reference Ele malo Code DC bus voltage exceeds the Disconnect AC circuit upper threshold breaker first Then DC bus voltage falls below disconnect DC circuit the lower threshold breaker 03 DC bust voltage soft start is Until LCD screen time out completely shuts down 04 Inverter soft start is ERROR turn on DC breaker first It time out will show No Utility in An Inverter overcurrent 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 EEE the grid current exceeds the upper If the error message still threshold remains please contact Over cur
24. es 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 3KW plus and 150V for 2KW the power of PV input 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 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 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 capaci
25. fferent based on different selected types of operations Allow AC charging duration It s a period time to allow AC grid to charge battery When the duration is set up as 0 00 00 00 it means no time limitation for AC to charge battery AC output ON Off Timer Set up on off time for AC output of inverter If setting it as 00 00 00 00 this function is disabled Allow to charge battery This option is automatically determined by setting in Charging source It s not allowed to modify here When NONE is selected in charging source section this option becomes unchecked as grey text Allow AC to charge battery This option is automatically determined by setting in Charging source It s not allowed to modify here When Grid and PV or Grid or PV is selected in charging source section this option is default selected Under Grid tie 14 mode this option is invalid Allow to feed in to the Grid This option is only valid under Grid tie and Grid tie with backup IV modes Users can decide if this inverter can feed in to the grid Allow battery to discharge when PV is available This option is automatically determined by setting in Load supply source PV is available When Battery is higher priority than Grid in Load supply source PV is available this option is default selected Under Grid tie this option is invalid Allow battery to discharge when PV is unavailable This option is automatically determined by setting in
26. ftware from 50Vac to 58Vdc Max absorption charging 56 0 Vdc It can be adjusted via software from voltage default 50Vac to 58Vdc Battery overcharge protection 60 0 Vdc This value is 2 Vdc higher than max charging voltage Charging process based on default setti n 9 Bulk Voltage Float Voltage 3 stages First max charging voltage Absorption 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 bulk charging voltage and floating charging voltage table based on different battery types Battery type Bulk Charging Voltage Recommended floating charging voltage Sealed lead acid 53 6 V battery AGM Gel battery 56 4 54 0 V 37 If using sealed lead acid battery please set up the max charging current according to below formula The maximum charging current Battery capacity Ah x 0 2 For example if you are using 125 Ah battery then maximum charging current is 125 x 0 2 25 A Please use at least 25Ah battery because the settable minimum value of maximum charging current is 5A If using AGM Gel or other types of battery please consult with installer for the details Below is setting screen from software Min grid connected voltage 199m k Max grid connected
27. he inverter can be securely disconnected during maintenance and fully protected from over current of AC input NOTE1 Although this inverter is equipped with 250VAC 30A fuse it s still necessary to install a separate circuit breaker for safety consideration Please use 250VAC 30A circuit breaker between inverter and AC utility NOTE2 The overvoltage category of the AC input is IIT Tt should be connected to the power distribution 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 Plus Nominal Grid Voltage 101 110 v 127 VAC 208 220 230 240 VAC Conductor cross section mm gt 5 25 25 10 5 2 Connecting to the AC Utility Step 1 Check the grid voltage and frequency with an AC voltmeter Tt should be the same to VAC value on the product label B mm 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 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor first L LINE brown or black Ground yellow green N Neutral blue Step 5 Make sure the wires are securely connected The reference tightening
28. he loads PV power is not detected or available Only utility is charging battery and SOLAR providing power to connected loads PV ARRAY es SE w Icon is flashing LOAD ER 5G PV power and battery are not detected or available to use at this moment Only utility is available to provide PV ARRAY SOLAR power to connected loads and BATTERY 3 icons are flashing 35 Standby mode The inverter is working without DC INV operation and load connected LCD Displa The utility is out of range This inverter is disabled on AC output or even MPPT power output is enabled but an error occurs on AC output Only PV power is 7 7 gi VA VA zb vnum sufficient to charge battery TEE BATTERY SOLAR PV ARRAY icon is flashing This inverter is disabled to generate power to the loads via AC output PV PV ARRAY power is not detected or available at REC gE this moment Only utility is available Z7 VA FA lent NAC 4 BATTERY SOLA to charge battery im icon is flashing 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 Three icons are flashing 36 13 Charging Management It can be adjusted via software from Max charging current 25A 5Amp to 25Amp Floating charging voltage default 54 0 Vdc It can be adjusted via so
29. 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 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 Please insert CD into your computer and install monitoring software in your PC Follow below steps to install software 1 Follow the on screen instructions to install the software 2 When your computer restarts the monitoring software will appear as shortcut icon located in the system tray near the clock NOTE If using modbus card as communication interface please install another bundled software Check local dealer for the details 12 11 Initial Setup Before inverter operation it s required to set up Operation Mode via software Please strictly follow below steps to set up For more details please check software manual Step 1 After turning on the inverter and installing the software please click Open Monitor to enter main screen of this software Step 2 Log in into software first by entering default password administrator Step 3 Select Device Control MyPower Management It is to set up inverter operation mode and personalized interface Refer to diagram below Setting Pv energy supply priority setting Grid Tie with Backup I Priority 1st Battery gt 2nd Load gt 3rd Grid Configura
30. is connected in Inverter mode That means the transfer time from inverter mode to battery mode will be less than 15ms Besides it will avoid overload fault because grid can supply load when connected load is over 3KW Battery charging source 1 PV or Grid If there is remaining PV power after supporting the loads it will charge battery first Only until PV power is not available grid will charge battery 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s PV power or grid NOTE It s allowed to set up AC charging duration Load supply source When PV power is available 1 PV 2 Grid 3 Battery PV power will provide power to the load first If it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1 Grid 2 Battery Grid will provide power to the load at first If grid is not available battery power will provide power backup 22 2 1 Battery 2 4 Grid Battery power will provide power to the load at first If battery power is running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage e Off Grid IIT Mode Grate win backup Grete Off Grid Standard Ivoeo1 26 v Nominal outputvoltag
31. le PY Battery Grid Priority 1st PV 2nd Battery 3rd Grid Load supply source PV is unavailable X Battery Grid Batten dnd Gnd M Allow battery to feed in to the Grid when PV is unavailable This option is ineffective during of AC charging Allow AC charging duration 08 00 08 00 fe 00 00 00 00 Means AC charger operates all time Ac Output ON Off Timer 08 00 fee 08 00 fee 00 00 00 00 means AC Output timer function disable Apply Close PV energy supply priority setting 1 Load 2 Grid and 3 Battery PV power will provide power to the load first If there is more PV power available it will feed in to the grid If feed in power reaches max feed in power setting the remaining power will charge battery NOTE The max feed in grid power setting is available in parameter setting Please refer to software manual Battery charging source 1 PV and Grid It s allowed to charge battery from PV power first If it s not sufficient grid will charge battery 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s PV power or grid Load supply source When PV power is available 1 1 PV 2 Battery 3 d Grid PV power will provide power to the load first If it s not sufficient battery power will provide power to the load When battery power is running out or not available grid will back up the load 2 1 PV 2 Grid 3 Battery PV
32. loads and dure then feed in to the grid VA lt BATTERY dfi aS LOAD 32 SOLAR MPPT 2 TU PV ARRAY Vv AMA FINVN BATTERY PV ARRAY II lt 2 BATTERY Tm lt BATTERY Y e PV ARRAY FEE lt a BATTERY 33 PV power is sufficient to charge the battery first However remaining PV power is not sufficient to back up the load Therefore remaining PV power and the utility are supplying power to the connected load 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 PV power is sufficient to charge battery first Remaining PV power will feed in back to grid This inverter is disabled to generate power to the loads via AC output PV power and utility are charging battery at the same time because of insufficient PV power This inverter is disabled to generate power to the loads via AC output PV power is feeding power back to the utility No battery is connected or battery is not available to use at this moment orm icon is flashing PV power is sufficient to charge battery provide power to loads and SOLAR feed power back to utility No battery is connected or battery is
33. nergy supply priority setting Grid Tie with Backup 00 Ly Priority 1st Load gt 2nd Battery gt 3rd Grid Configuration details Charging source PY and Grid I PV charging first If PV power is not sufficient PV and grid will charge battery together V Allow to feed in to the Grid MDC Se PM Allow battery to feed in to the Grid when PV is available Priority 1st Battery gt 2nd Grid Load supply source PV is available Pv Battery Grid Priority 1st PV gt 2nd Battery gt 3rd Grid Allow battery to feed in to the Grid when PV is unavailable This option is ineffective during of AC charging Allow AC charging duration 08 00 080 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 08 00 es N 08 00 00 00 00 00 means AC Output timer function disable Apply Close PV energy supply priority setting 1 Load 2 Battery and 3 Grid PV power will provide power to the load first Then it will charge battery If there is any 16 remaining power left it will feed in to the grid Battery charging source 1 PV and Grid It s allowed to charge battery from PV power first If it s not sufficient grid will charge battery 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s PV power or grid Load supply source When PV power is available 1 1 PV 2 Battery 3 d Grid PV power will pro
34. or Nicd battery please consult with installer for the details NOTE Please use Please use 60VDC 100A circuit breaker for 3KW 3KW Plus 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 12 2mm ma Step 2 Use two battery cables Remove insulation sleeve 12 mm and insert conductor into cable ring terminal Refer to chart 5 Step 3 Following battery polarity guide printed near the battery mi terminal Place the external battery cable ring terminal over the 26 3mm_min battery terminal Refer to Chart 6 RED cable to the positive terminal Chart 5 BLACK cable to the negative terminal Step 4 Make sure the wires are securely connected The reference tightening torque is 2 04 N m 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 Chart 6 3KW 3KW Plus Nominal Grid Voltage 101 110 120 127 VAC 208 220 230 240 VAC Conductor cross section mm 8 Load AC Output Connection CAUTION To prevent further supply to the load via the inverter during any mode of operation an additional disconnection device should be placed on in the building wiring installation WARNING It s very important for s
35. or total energy generated AC INPUT Vac Hz LJ OUTPUT Kw Vac PV INPUT B Ci CIS Volt BATTERY CAPACITY i hiii DATA RECORD FROM I Ci C1 r 1 BB BB BB DATE YY MM DD TIME HH MM SS 3 5388BBB 9 Enter 888888 TODAY ENERGY GENERATED TODAY ENERGY GENERATED ENERGY GENERATED 0090090909 30 9 Mode of query energy generated FROM C B Pym e HH BB 88 8g8 Enter Up Down Sets year TODAY ENERGY GENERATED i ae Ese PS88009 3 s BE Enter amm Enter 88 8B88 88 Enter Dat DATF YY MM DD ets mont Flashes Paci MONTH DATA RECORD FROM i Returns to main menu B8 B8 B Wines YY MM DD DATE Sets day Flashes LCD Display ENERGY GENERATED LLLILILI DAY Energy generation display of selected month Procedure BATTERY CAPACITY Gag
36. r Bag Enter OI BATTERY CAPACITY PV INPUT 885 4 299 DATA RECORD FROM 1 Go O0 B5 DATE YY MM DD TIME HH MM SS TODAY ENERGY GENERATED 88888 B T e Battery voltage or percentage Procedure AC INPUT Ns Vac O09 LI s AC OUTPUT KW Hz PV INPUT c Volt sag 3 5 BATTERY CAPACITY BATTERY CAPACITY 999 Enter 999 Enter DATA Os G n O B O BBO BI 4 DATE YY MM DD TIME HH MM SS BATTERY CAPACITY H B H Volt TODAY ENERGY GENERATED 6888809 u 29 e Date and time Procedure AC INPUT Hz AC OUTPUT KW i Hz s PV INPUT 999 BATTERY CAPACITY 588 Volt DATA RECORD FROM DATA RECORD FROM 66 00 68 gt Enter BB5 BB85 88 YY MM DD TIME HH MM SS DATE YY MM DD DATA RECORD FROM TODAY ENERGY GENERATED LOO 88 88 88 e Today
37. rent on PV input is your installer detected Leakage current CT failed Over temperature fault ERROR The internal temperature is higher than specified temperature Leave inverter to be cooled to room temperature If the error message still remains please contact 41 14 Inverter DC component exceeds the allowable range yourinstaller PV input voltage exceeds the upper threshold Auxiliary power failed Auxiliary power means switch power supply Leakage current exceeds the allowable range PV insulation resistance is too low 2 15 A difference occurred in the 1 Please disconnect AC readings from the main and breaker first and then 42 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 please 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
38. stallation please inspect the unit Be sure that nothing inside the package is damaged You should have received the following items inside of package 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 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 inverter e The ambient temperature should be between 0 C and 40 C and relative humidity should be between 5 and 85 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 The pollu
39. t up Voltage Initial Feeding Voltage Br OA OA array 57 5 61 5 Hz 59 3 60 5Hz AC INPUT C Start up Voltage 60 70 VAC 120 140 VAC uto Restart Voltage 85 VAC 180 VAC cceptable Input Voltage Range 80 130 VAC 80 150VAC 170 280 VAC ominal Frequency 50 Hz 60 Hz C Input Power 2400VA 2400W 5100VA 5100W aximum AC Input Current 30A 30A nrush Input Current 30A 30A ominal Output Voltage 208 220 230 240 VAC Output Frequency 50 Hz 60 Hz auto sensing Output Waveform Pure sine wave Output Power 2000VA 2000W 3000VA 3000W Output Current 14 4A 13 6A 13A 12 5A fficiency DC to AC 92 ominal DC Voltage 48 VDC Maximum Battery Discharging Current 65 Maximum Charging Current 25 A 46 2 lt lt Jg m c 2 c p P eo bs DJ rT 2 lt go O G m P gt Dimension D X W X H mm et Weight kgs ommunication Port Intelligent Slot Optional SNMP Modbus and AS 400 cards available rotective Class ngress Protection Rating umidi Operating Temperature Ititude This figure may vary depending on different AC voltage Power derating 1 every 100 m when altitude is over 1000m 47
40. this inverter during the cool time of the day whenever it is visibly dirty 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 Battery maintenance Servicing of batteries should be performed or supervised by personnel knowledgeable about batteries and the required precautions When replacing batteries replace with the same type and number of batteries or battery packs e following precautions should be observed when working on batteries a Remove watches rings or other metal objects b Use tools with insulated handles C Wear rubber gloves and boots d Do not lay tools or metal parts on top of batteries 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 having a grounded supply circuit CAUTION A battery can present a risk of electrical shock and high short circuit current CAUTION Do not dispose of batteries in a fire The batteries may explode CAUTION Do not
41. tion degree of the inverter is PD2 Select an appropriate mounting location Install the solar inverter in a protected area that is dry 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 Installation position shall not prevent access to the disconnection means e This inverter is designed with IP20 for indoor applications only e Regularly clean the fan filter 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 After that the device should be bolted on securely The inverter only can be used in a CLOSED ELECTRICAL OPERATING AREA WARNING FIRE HAZARD SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON COMBUSTIBLE SURFACE ONLY 1 Drill four holes in the marked locations 2 Place the unit on the surface and align the with four screws mounting holes with the four screws 416 5 LII Bami Hp Ht i LI 999 E 1 mig Note Recommended specs for screws 657 09 naa M4 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 t
42. tion details Charging source Pv and Grid m PV charging first If PY power is not sufficient PY and grid will charge battery together Allow to feed in ta the Grid Load supply source PV is available PV Grid Battery m aces Priority 1 st PV gt 2nd Grid gt 3rd Battery Load supply source PV is unavailable Grid Battery Priority 1 st Grid gt 2nd Battery Allow AC charging duration 00 00 04 00 00 00 00 00 Means AC charger operates all time AC Output ON Off Timer 1 4 33 15 30 00 00 00 00 means AC Output timer function disable Apply Close Mode There are three operation modes Grid tie with backup Grid Tie and Off Grid e Grid tie with backup PV power can feed in back to grid provide power to the load and charge battery There are four options available in this mode Grid tie with backup I II III and IV In this mode users can configure PV power supply priority charging source priority and load supply source priority However when Grid tie with backup IV option is selected in PV energy supply priority the inverter is only operated between two working logics based on defined peak time and off peak time of electricity Only peak time and off peak time of electricity are able to set up for optimized electricity usage e Grid Tie PV power only can feed in back to grid e Off Grid PV power only provides power to the load and charge battery No feed in back to grid is allowed 13
43. torque is 0 82 N m Chart 2 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 NOTE1 Please use 600VDC 20A circuit breaker for 3KW 600VDC 25A for 3KW Plus 500VDC 25A for 2KW NOTE2 The overvoltage category of the PV input is IT Please follow below steps to implement PV module connection WARNING Because this inverter is non isolated only two types of PV modules are acceptable single crystalline and poly crystalline with only Class A rated To avoid any malfunction do not connect any PV modules with possibility of leakage current to the inverter For example non grounded PV modules will cause leakage current to the inverter CAUTION It s requested to have PV junction box with surge protection Otherwise it will cause inverter damage when lightning occurs on PV modules Step 1 Check the input voltage of PV array modules The acceptable input voltage of the solar inverter is 250VDC 450VDC for 3KW 3KW Plus 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 18A for 3KW Plus and 15A for 2KW CAUTION Exceeding the maximum input voltage c
44. tors 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 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 Symbols used in Equipment Markings Refer to the operating instructions Caution risk of danger Caution risk of electric shock a Caution risk of electric shock Energy storage timed discharge MNN Caution hot surface 3 Unpacking amp Overview 3 1 Packing List Before in
45. upply source When PV power is available 1 1 PV 2 Battery 3 Grid Default PV power will provide power to the load first If it s not sufficient battery power will provide power to the load When battery power is running out or not available grid will back up the load 2 1 Pv 2 Grid 3 Battery PV power will provide power to the load first If it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1 Grid 2 d Battery Grid will provide power to the load at first If grid is not available battery power will 21 provide power backup 2 1 Battery 2 Grid Default Battery power will provide power to the load at first If battery power is running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage e Off Grid II V energy supply priority setting Of Grid I Priority 1st Battery gt 2nd Load Grid relay Is connected In Inverter mode bd Lal PV energy supply priority setting 1 Battery 2 Load PV power will charge battery first After battery is fully charged if there is remaining PV power left it will provide power to the load Feed in to the grid is not allowed under this mode At the same time the grid relay
46. vide power to the load first If it s not sufficient battery power will provide power to the load When battery power is running out or not available grid will back up the load 2 1 PV 2 Grid 3 Battery PV power will provide power to the load first If it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1 Grid 2 Battery Grid will provide power to the load at first If grid is not available battery power will provide power backup 2 1 Battery 2 Grid Battery power will provide power to the load at first If battery power is running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order Otherwise it will cause battery damage 17 e Grid tie with backup III Mode Grid tie with backup us usu Standard VDEO126 Nominal outputvoltage 240 Nominal outputfrequency co MW Setting PY energy supply priority setting Grid Tie with Backup lID lt Priority 1st Load gt 2nd Grid gt 3rd Battery Configuration details Charging source PV and Grid Y PV charging first If PV power is not sufficient PV and grid will charge battery together PA Allow to feed in to the Grid Fl Allow battery to feed in to the Grid when PV is available Load supply source PV is availab
47. ystem 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 mm Refer to chart 7 1 Step 2 Connect wires according to polarities indicated on EN terminal block Be sure to connect PE protective conductor Chat 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 The reference tightening torque is 0 82 N 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 N terminal of load to N terminal of AC Output Connector 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 parallel 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 it is also equipped with a slot for alternative communication interfaces in order to communicate with a PC with corresponding software This intelligent slot is suit

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