ISI-501 Series Stand-alone Photovoltaic (PV) Inverter User Manual
Contents
1. MW MEAN WELL ISI 501 Series Stand alone Photovoltaic PV Inverter User Manual MW MEAN WELL Stand alone Photovoltaic PV Inverter User Manual Table of Contents 1 Safety Guidelines ali na 1 Z AMUPOCUCH TEE 1 2 1 EE 1 2 2 Main Specification i 2 S User Interface Panel 2 S T Front Panels ease 2 3 2 LED indicator on Front Panel 3 3 3 Rear Panel ceccccseccceecusececceneeeeeneeeeeseeeseeeesseseessaeeeeaees 3 4 Output Voltage and Frequency Settings sitemeter 4 4 1 Initial Factory State i 4 4 2 Procedure to Setting Output Voltage and Frequency 4 EO jo cl VE 6 6 Protectio assassinas aaa sera sb etd S ETEEN E E EE 7 6 1 Input Protection i 7 6 2 Output Protection iii 7 J Installation amp Wifingi sai tata 7 S Trouble SNOOLING ieee Rene e RAR RR APR RP NR ER E PR PAR 10 9 Warranty 10 Nov 2013 Version 0 1 Safety Guidelines Please read through this manual before assembling the Inverter Risk of electrical shock and energy hazard All failures should be examined by a qualified technician Please do not remove the case of the inverter by yourself Please donotinstall the inverter in places with high moisture or near water Please do notinstall the inverter in places with high ambient temperature under direct sunlight or near fire source P2. Battery Status Connector Status Alarm Battery Low Connector Open Beep Sound Battery Normal Connector Short E PV Input Terminal Pay extra caution to PV module polarity when wiring Grounding Terminal FG O i ER SN E BATTERY INPUT ON OFF low dam ENANA HEN OO SOLAR INPU O O Se N 2 S S S eo fie Unit Figure 3 2 Rear Panel A Output Voltage and Frequency Settings 4 1 Initial Factory State Initially the ISI 501 is set to output 110Vac at 60Hz or 230Vac at 50Hz 4 2 Procedure to Setting Output Voltage and Frequency The user can adjust the output voltage and frequency through the function setting button onthe front panel After changing the settings the inverter will reboot and set the userinput values as default In the future evenifthebatteryis removed oris there is no source of power the inverter will keep these most recent values that the user input Step 1 The inverter should be turned off while resetting Input batteries should be connected and the loads should be removed Step 2 Use an insulated stick to press down on the setting button and then turn on the power switch the Panel s orange colored LED should flash After pressing for 5 seconds the inverter will send out a Beep sound User can release the button and go on wi
3. Mounting The case has four reserved holes for fixing the user can utilize these to mount the ISI 501 as shown below It is advised to mount the ISI 501 horizontal E Example of System Setup Leads should be as shortas possible Larger LJ than AC O P 15cm AC Load ISI 501 Solar panel Larger Inverter My than xy X Battery 150m Son axe DC I P up FG o Leads should be less than 1 5m Wall or system FG Based on the actual length of wiring choose suitable cross section of the leads F Derating e 80 607 o S q q le O 207 20 D 10 20 30 20 50 60 10 5VDC 71 5VDC TEVDE HORIZONTAL R A 21VDC 23VDC 30VDC Ambient Temperature C Ta 42v0C 46VDC 60VDC Figure 7 2 Output Derating Curve Battery Input Voltage V Figure 7 3 Input Derating Curve KAYAN Notes on Output Loads ISI 501 Series can power most equipment requiring an AC source of 500W but for certain type of load the unit may not work properly 1 Since inductive loads or motor based equipments needs a large start up current 6 10 times of its rated current please make sure this startup current is less than the maximum current capability of the inverter 2 When the loads are capacitive or rectified equipments such as switching power supply we suggest operating these equipment at no load
4. Ventilation Slits The inverter requires good ventilation for proper operation and for prolonging its lifetime i KREE w eSF OA oH Macon 1 _ UWVococovococococooUU Figure 3 1 Front Panel Type A 3 2 LED Indicator On Front Panel Operation Status Indicator Status LED Represents the current ISI 501 state LED Display Green Orange Red Status Normal Operation Remote Off Error Note When an error occurs please refer to chapter 8 Troubleshooting of the user manual Battery Capacity Indicator Battery LED Represents the remaining capacity of external batteries LED Display Green Orange Red Battery Capacity gt 70 40 70 lt 40 3 3 Rear Pane A Battery Input Pay extra caution to battery polarity when wiring Fan Ventilation Opening The inverter requires good ventilation for proper operation and for prolonging its lifetime Remote ON OFF Control While set at ON the ISI 501 can be powered ON OFF through remote control Connector Status Inverter Status Open Remote ON Short Remote OFF D Battery Low Alarm This is an electrically isolated dry contact which can provide the user with an external control signal User will be alarmed of a low battery when the two pins are open while the IS1 501 makes a Beep sound
5. choose suitable batteries that are within the input DC voltage range of the inverter refer to spec If the input DC voltage is too low e g using 12Vdc battery bank for 24Vdc models the inverter cannot startup properly If the input DC voltage is too high e g using 48Vdc battery bank for 24Vdc models the inverter will get damaged 6 2 Output Protection If the ISI 501 detects any of the following errors while operating the status LED indicators will stay lit until the error is removed A Over Temperature Protection OTP When the internal temperature of the ISI 501 reaches a threshold over temperature protection will activate causing shut down Wait at least 30 minutes before restarting to recover normal operation B AC Output Short Circuit Protection When the AC output of the ISI 501 is short circuited it will go into protection Restart to recover normal operation C Over Load Protection When the load is in the over load range of 500 550W 450 495W for 112 212 models the inverter can continue supplying power for a short duration of 1 minute If the load is not removed the sensing circuit will activate causing shut down 7 Installation amp Wiring A Wiring for batteries Wire connection should be made as short as possible less than 1 5mis highly recommended Also make sure suitable wires are chosen based on safety requirement and current rating Cross sections that are too small will result in lower efficiency less outp
6. ain a peak load of 1000W aslong as 30 AC power cycles ISI 501 adopts a high frequency design which greatly reduces product weight and improves maximum efficiency to 88 ISI 501 has a built in solar charger with the MPPT function which effectively utilizes energy from the PV module ISI 501 progresses the concept of a miniature independent power station Itis ideal for areas suitable for PV modules and where mains power is absent 2 1 Features 500W rated output Surge power capability up to 1000W True sine wave THD lt 3 O AC output voltage tolerance 3 High efficiency up to 88 Builtin MPPT solar charger MPPT efficiency 98 Typ Adjustable output voltage and frequency LED indication for operation and battery capacity Battery low alarm with electrically isolated dry contact Remote On Off function Compliance to FCC CE regulations 3 year warranty 2 2 Main Specification MODEL 112 124 148 212 224 248 o Power 500W continuous 550W for 1 min 1000W for 30 AC power cycles 450W u Rating 495W 900W for 112 212 models Factory T p Setting 110Vac 60Hz Default 230Vac 50Hz Default U Output Voltage 100 110 115 120Vac Adjustable 200 220 230 240Vac Adjustable T Protection AC short overload and over temperature Bat Voltage 10 5 15 0V 21 0 30 0V 42 0 60 0V 10 5 15 0V 21 0 30 0V 42 0 60 0V I IDC Cu
7. he battery voltage will slowly increase When battery voltage reaches 13 26 52V the system will restart after three minutes and start providing AC voltage output Same action as t3 The status of the inverter changes depending on the power provided by the PV module and its load consumption 6 Protection 6 1 Input Protection A PV Module Reverse Polarity Protection In the case where the user accidently reverses the polarity of the PV module the ISI 501 internal fuse will blow to protect other circuitry Please contact your nearest distributer or send the goods back to Mean Well for repair B Battery Reverse Polarity Protection In the case where the user accidently reverses the polarity of the battery connection the ISI 501 internal fuse will blow to protect other circuitry Please contact your nearest distributer or send the goods back to Mean Well for repair C Battery Low Shutdown Protection When the battery voltage is lower than rated shutdown point the ISI 501 will shut down to guarantee the lifetime of the battery D Battery Overvoltage Protection When the battery voltage is too high the inverter will shut down and an alarm will sound Please resolve the error and restart the inverter to return to normal operation AT WARNING Before installation or after use make sure the power ON OFF switch at the front panel is inthe OFF position to safely wire or remove battery Under normal working conditions please
8. lease only connect batteries with the same brand and model numberinone battery bank Using batteries from different manufacturers or different capacities is strictly prohibited Never allow a spark or flame in the vicinity of the batteries Make sure the airflow from the fan is not obstructed at both sides front and back of the inverter Please allow at least 15cm of space Please do not stack any objects on the inverter as it may impede heat dissipation Please turn off the inverter through the power ON OFF switch before removing the battery A WARNING Batteries will have aging problems after years of operation It is suggested to execute regular battery maintenance e g every year Once aged the batteries should be changed by a professional technician or the failed batteries may cause fire or other hazards D Ee D x mas Inverter Don t Keep away from Keep away from Don t stack on Keep good disassemble moisture fire or high the inverter ventilation temperature 2 Introduction 1SI 501 is atrue sine wave DC AC inverter equipped with a solar charger with MPPT which is digitally controlled by an advanced microprocessor and is designed for high frequency operation This high performance inverter can be paired with both battery and PV modules panels ISI 501 can provide 500W pure sine wave output continuously 550W for 1 minute and sust
9. n SW ON Protection Auto Recovery AC Output t 14 4 28 8 57 6V Battery Voltage 13 26 52V 10 5 21 42V gt t ON ON Charger Status OFF OFF OFF vi t1 t2 t3 t4 t5 t6 t7 tl t2 t3 t4 t5 t6 t7 Figure 5 1 Operation Sequence When user turns on the ISI 501 battery voltage will be sensed If battery voltage is greater than 13 26 52V itis adequately charged and the charger circuit will not activate to prevent overcharging While the ISI 501 operates battery voltage will slowly drop when battery voltage is lower than 13 26 52V battery low signal is sensed and the charger will automatically activate and charge accordingly If the power provided by the PV module is greater than load consumption the battery will increase in voltage When this battery voltage reaches 14 4 28 8 57 6 the charger circuit will shut off its charging current to the battery modules to prevent the batteries from overcharging When battery voltage drops to 13 26 52V again gt the charger will automatically restart charging action If the power provided by the PV module is less than load consumption even if the charger is operational the battery voltage will still drop When battery voltage is below 10 5 21 42V the ISI 501 will shut down output voltage to prevent the battery from over discharging thereby increasing its lifetime Under circumstances that the charger continuously charges the battery t
10. or light load during power ON Increase the load slowly only after the IS1 501 has started up to ensure proper operation 8 Troubleshooting ISI 501 is a complex product which should be serviced by professional technician Improper usage or modification may damage the unit or result in shock hazard If you are not able to clear the failure condition according to the following instructions please contact us or your closest distributor for repair service Failure Statue Possible Reasons Recommended Solutions Abnormal Input Check the DC input sources PV battery to make sure the voltage is within the required range Make sure that the ventilationis not Over Temperature blocked and the ambient temperature Protection is not too high Please derate load usage NoAC Output or lower the ambient temperature Voltage Make sure the outputload doesnot exceed therated value or the peak startup current is not too high typically found in inductive or capacitive loads Overload Protection Make sure the output is not overloaded Short Circuit Protection or short circuited Battery Aged or Broken Replace the batteries Battery Discharging Battery Capacity is Reconfirm battery specification and Period to short too Small enlarge the battery capacity as suggested 9 Warranty Three years of warranty is provided under normal operating conditions Please do not change components or modify the unit by yo
11. rrent 50A 30A 15A 50A 30A 15A N Efficiency 85 87 87 86 88 88 u Off Mode T Current Draw Under 1 0mA while power switch OFF PROTECTION Over current battery reverse polarity internal fuse battery low alarm battery low shutdown Open Circuit Voltage 35 50V 45 90V 90 160V 35 50V 35 90V 70 160V MPPT Voltage Range 25 50V 35 90V 70 160V 25 50V 35 90V 70 160V Maximum Short Circuit 11A 7A 4 5A 11A 7A 4 5A Current AC Charger Charge Voltage v cooz lt v 14 4V 28 8V 57 6V 14 4V 28 8V 57 6V Charge Current 30A 17A 8 5A 30A 17V 8 5A 3 Main Specification 3 1 Front Panel A AC Output Outlet To satisfy global demands there are many optional AC outlets to choose from O PS i a Receptacle 0 I l I T T q P oo type TYPE A TYPE B TYPE C TYPE D TYPE E TYPE F TYPE U Standard Standard Optional Optional Optional Optional Optional Country USA EUROPE AUSTRALIA UK JAPAN GEO UNIVERSAL Certiicat FE Ce Ce Ce FE FE Non LED Indicator Status Displays the operation status of the ISI 501 LED Indicator Battery Displays remaining capacity of battery D Function Setting Output voltage and frequency can be set through this button E Power ON OFF Switch The inverter will turn OFF if the switchis in the OFF position E
12. th the setting procedure Step 3 Check output voltage and frequency with table 4 1 If the output is desired please continue to step 5 if not please continue adjusting according to step 4 untilitis AC OUTPUT EA UM e Isl II UI Figure 4 1 Adjusting output voltage and frequency Table 4 1 Voltage amp Frequency Chart Use an insulated plastic stick to press onthe Setting button A OIP Voltage 490Vac 110Vac 115Vac 120Vac Frequency 200Vac 220Vac 230Vac 240Vac Sab Status Red Red Red Red z Battery Green x Green Yellow Yellow 60H Status x Red x Red x Red Red Battery Green x Green Yellow Yellow Light X Flashing Step 4 Press the setting button around 1 second before letting go The LED indicators Table 4 1 will change status Please adjust accordingly 115Vac 220Vae 50HZ 230Vac 90H2 240Vae 5 0Hz a a 100Vac 100Vac 200Vac 90Hz 200Vac 60Hz x CHE 110Vac a 60Hz 115Vac 60Hz 240Vac uri 230Vac 60Hz 220Vac Figure 4 2 Output voltage amp frequency changing sequence Step 5 When the output is at user s desired value press and hold the setting button for 3 5 seconds until the inverter makes a Beep sound The output setting is now complete the inverter will now save the settings and restart 5 Operation System On Battery Low Shutdow
13. urself or attempt to repair the unit by yourself because Mean Well reserves the right to void the warranty AA it Se AY ABRA MEAN WELL ENTERPRISES CO LTD 248 k bh D CSS A B 285 No 28 Wu Chuan 3rd Road Wu ku Ind Park Xinbei City Taiwan 248 Tel 886 2 2299 6100 Fax 886 2 2299 6200 http Awww meanwell com E mail info meanwell com Your Reliable Power Partner
14. ut power and the wires may also become overheated and cause danger Please refer to table 7 1 orconsultus orour distributors if you have any questions Table 7 1 Suggestion for wire selection qi E AWG Suggested Model 1 5 14 PV module input wire 2 5 12 48V battery models 4 10 24V battery models 6 8 12V battery models B Suggested Battery Type and Capacity Battery Type Lead acid 12V models 24V models 48V models Battery Capacity 12V 120Ah 24V 60Ah 48V 30Ah 12V 400Ah 24V 200Ah 48V 100Ah Note If the desired battery type is not Lead Acid based please contact the battery manufacturer for an advised value C Installation Requirements The unit should be mounted on a flat surface or holding rack with suitable strength In order to ensure the lifespan of the unit please refrain from operating the unit in dusty or moist environments This is a power unit with built in DC fan Please make sure the ventilation openings are not blocked and refrain from continuous operation with heavy load in high ambient environment because this may prevent inverter from operating properly and its life span may be affected We highly recommend that there should be no objects impeding airflow within 15cm of the ventilation openings Ge gt 15cm gt 15cm Air Inverter lt 3 Air da Figure 7 1 Example of Installation D Suggested
Download Pdf Manuals
Related Search