ISI-501 Series Off-Grid Solar Inverter User Manual
Contents
1. 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 0 aged e Receptacle J 1 3 T oo 1 l Es T7 3 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 U K JAPAN GFCI UNIVERSAL Certificate FE c C d Fe Fe Non A 3 Supporting your great ideas www pewatron com a member of ihe Angst Pfister Group 040 06 409 042 EH 0614 pdf LED Indicator Status Displays the operation status of the ISI 501 LED Indicator Battery Displays remaining capacity of battery unction Setting Output voltage and frequency can be set through this button F ion Setti O df b h h this b ower witch The inverter will turn ifthe switchisinthe EP ON OFF Switch Thei ill OFF if th itchis inthe OFF position entilation Slits The inverter requires good ventilation for proper operation Ventilation Slits The i t i d ilation f i and for prolonging its lifetime OUTPUT E 00058000000000 VAN Status O 000 Pep z I loooocooo0000000 Figure 3 1 Front Panel Type A E 3 2 LED Indicato2. AC Output t 14 4 28 8 57 6V Battery Voltage 13 26 52V 10 5 21 42V gt t Charger Status OFF OFF t2 t3 t4 t5 t6 t7 Figure 5 1 Operation Sequence t1 When user turns on the ISI 501 battery voltage will be sensed If battery voltage is greater than 13 26 52V it means the battery is adequately charged and the charger circuit will remain de activated 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 will be detected and the charger will automatically activate and charge accordingly If the power provided by the PV module is greater than the load consumption the battery voltage will increase When this battery voltage reaches 14 4 28 8 57 6V the charger circuit will stop charging the battery modules to prevent the batteries from overcharging When battery voltage drops to 13 26 52V again gt the charger will automatically restart the charging action If the power provided by the PV module is less than load consumption even if the charger is operating the battery voltage will still drop When battery voltage is below 10 5 21 42V the ISI 501 will shut down to prevent the battery from over discharging thereby increasing its lifetime If the charger continuously charges the battery the battery voltage will slowly increase When battery voltage reaches 13 26 52V the system will re
3. Under normal working conditions please 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 be damaged 6 2 Output Protection If the ISI 501 detects any of the following errors while operating the status red LED indicator will remain 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 shutdown of the inverter 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 mode 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 ashort 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 1 5m or less is strongly recommended Also make sure suitable wires are chosen based on safety requirement and current rating Cross section
4. be affected It is highly recommended that there should be no objects impeding airflow within 15cm of the ventilation openings 7 gt 15cm gt 15cm Air Co Inverter lt Air Figure 7 1 Example of Installation A 3 Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf D Suggested Mounting The four holes on the sides of the case allow the users to mount and fix the ISI 501 on a flat surface It is highly recommended the ISI 501 is placed horizontally Also please pay attention to the ventilation Leads os be as short Ss possible Great AC O P 15cm AC Load ISI 501 Solar panel Greater Inverter w than X HHH Battery 5m gt 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 20 0 10 20 R gl T5VDC HORIZONTAL 30VDC Ambient Temperature C Ta sovoc Figure 7 2 Output Derating Curve Battery Input Voltage V Figure 7 3 Input Derating Curve A 3 Supporting your great ideas www pewatron com a member of ihe Angst Pfister Group 040 06 409 042 EH 0614 pdf G A Notes on Output Loads ISI 501 Series can power most equipments requiring an AC source of 500W continuously for a long time but for certain
5. power on 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 A a Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf 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 inverter 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 inverter back to Mean Well for repair C Battery Low Shutdown Protection When the battery voltage is lower than 10 5 21 42V 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 the built in alarm will sound Please resolve the error and restart the inverter to return to normal operation AN WARNING Before installation or after use make sure the power ON OFF switch on the front panel is in the OFF position to safely wire or remove batteries
6. type of load this inverter may not work properly 1 Since inductive loads or motor based equipments need alarge 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 ISI 501 2 When the loads are capacitive or rectified equipment such as switching power supply itis suggested to operate the equipment at no load or light load during power ON Increasethe load slowly only after the ISI 501 is powered up normally and steadily to ensure proper operation 8 Troubleshooting The ISI 501 is a complex product which should be serviced by professional technicians Improper usage or modification may damage the unit or result in shock hazards 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 source PV battery to make sure the voltage is within the specified range Make sure the ventilation is not Over temperature blocked and the ambient temperature protection is not too high Please derate the load NoAC Output or lower the ambient temperature Voltage Make sure the output load does not exceed the rated value or the peak startup current is not too high typically found in inductive or capacitive loads Make sure the output is not overloaded or short
7. 040 06 409 042 EH 0614 pdf MW MEAN WELL ISI 501 Series Off Grid Solar Inverter User Manual iH Mi E u Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf MW MEAN WELL Off Grid Solar Inverter User Manual Table of Contents 1 Safety Guidelines 2 Introduction 2 1 Features 2 2 Main Specification 3 User Interface Panel 3 1 Front Panel 3 2 LED indicator on Front Panel 3 3 Rear Panel 4 Output Voltage and Frequency Settings 4 1 Initial Factory State 4 2 Procedure to Change Output Voltage and Frequency 5 Operating 6 Protection 6 1 Input Protection 6 2 Output Protection 7 Installation amp Wiring 8 Troubleshooting 9 Warranty Mar 2014 Version 1 A 3 Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf 1 Safety Guidelines Please read through this manual before assembling the Inverter Risk of electrical shock and energy hazard All failures should be examined bya 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 Please only connect batteries with the same brand and model number inone battery bank Using batteries from
8. 48773525 peter felder pewatron com Sales International Key Accounts Sales Germany Postcode 00000 59999 Postcode 80000 99999 Kurt Stritzelberger Neumarkter Str 86a D 81673 Munich Phone 49 89 260 38 47 Mobile 49 171 803 41 35 Fax 4989 43109191 kurt stritzelberger pewatron com Postcode 60000 79999 Dieter Hirthe Auf der Entenweide 4 69502 Hemsbach Tel 49 6201 508 9250 Mobil 49 1637 627 430 Fax 49 6201 508 9751 dieter hirthe pewatron com Sales Austria Kurt Stritzelberger Neumarkter Str 86a D 81673 Munich Phone 49 89 260 38 47 Mobile 49 17 18 03 41 35 Fax 4989 431091 91 kurt stritzelberger pewatron com Sensors Physical Sensors Data Acquisition Thomas Clausen Phone 41 44 877 35 13 thomas clausen pewatron com Geometrical Sensors Eric Letsch Phone 41 44 877 35 14 eric letsch pewatron com Sales Other Countries Product Management Power Supplies DC DC Converters Switching Power Supplies DC AC Inverters Sebastiano Leggio Phone 41 44 877 35 06 sebastiano leggio pewatron com E Components Current Sensors Man Machine Interface Measurement Probes Sebastiano Leggio Phone 41 44 877 35 06 sebastiano leggio pewatron com PEWATRON AG Thurgauerstrasse 66 CH 8052 Zurich Phone 41 44 877 35 00 Fax 41 4487735 25 www pewatron com info pewatron com A m u Supporting your great ideas www pewatron com
9. SI 501 adopts a high frequency design which greatly reduces product weight and improves efficiency up to 88 1SI 501 has a built in solar charger with the MPPT function which effectively utilizes energy from the PV module 1SI 501 progresses the concept of a miniature independent power station Itis ideal for areas where the power mains is absent but PV modules are available 2 1 Features 500W rated output Surge power capability up to 1000W True sine wave THD lt 3 A a Supporting your great ideas www pewatron com PEWATIRON a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf AC output voltage regulation 3 High efficiency up to 88 Built in 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 i RATED POWER 450W 500W 450W 500W MAXIMUM OUTPUT POWER Typ 550W for60 sec surge power 1000W for 30 cycles 112 212 models 495W for 60 sec surge power 900W for 30 cycles Factory setting set at 110VAC Factory setting set at 230VAC 100 110 115 120VAC selectable by setting button S W 200 220 230 240VAC selectable by setting button S W OUTPUT Factory setting set at 110VAC Factory setting set at 230
10. VAC FREQUENCY 60 0 1Hz 50 60Hz selectable by setting button S W 50 0 1Hz 50 60Hz selectable by setting button S W WAVEFORM True sine wave THD lt 3 at rated input voltage AC REGULATION 3 FRONT PANEL INDICATOR In verter status Charger status Battery capacity BAT VOLTAGE 12V 24V 48V 12V 24V 48V VOLTAGE RANGE 10 5 15VDC 21 30VDC 142 60VDC 10 5 15VDC 21 30VDC 42 60VDC DC CURRENT Typ 50A 30A 15A 50A 30A 15A NO LOAD CURRENT DRAW 1 25A 0 63A 0 32A 1 25A 0 63A 0 32A OFF MODE CURRENT DRAW 1mA EFFICIENCY Typ 85 87 87 86 88 88 OVER TEMPERATURE Shutdown o p voltage re power on to recover OUTPUT OUTPUT SHORT Shut down o p voltage re power on to recover PROTECTION OVERLOAD Typ 110 load for 60 sec Protection type Shut down o p voltage re power on to recover CHARGER CURRENT Typ 30A 17A 8 5A 30A BATTERY TYPE Open amp sealed Lead Acid FUSE 40A 2 40A 1 20A 1 40A 2 BAT LOWALARM 11V 22V 44V v BAT LOW SHUTDOWN 110 5V 21V 42V 10 57 REVERSEPOLARITY _ By internal fuse open MPPT CHARGER EFFICIENCY peak 98 OPEN CIRCUIT VOLTAGE RANGE 35 50V 45 90V 90 160V 90 160V MPPT RANGE 25 50V 35 90V 70 160V 70 160V SOLAR INPUT CURRENT Typ 11A 7A 4 5A 4 5A SOLAR INPUT POWER Typ 500W AC VOLTAGE INVERTER SECTION BATTERY SECTION MPPT SOLAR SECTION
11. circuited Overload protection Short circuit protection Battery aged or broken Replace the batteries Battery Discharging Battery capacity is Reconfirm battery specification and Period too 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 yourself or attempt to repair the unit by yourself because Mean Well reserves the right to void the warranty m ai E Supporting your great ideas www pewatron com PEWATRON a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf BA a E AY ft BBR Al MEAN WELL ENTERPRISES CO LTD 248 mH i 5 AR LEE A HB 28 5k 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 www meanwell com E mail info meanwell com Your Reliable Power Partner A ai Supporting your great ideas www pewatron com a member of the Angst Pfister Group PEV AIRON a member of the Angst Pfister Group We are here for you Addresses and Contacts Matthias R egg Ruhbergstrasse 32 CH 9230 Flawil Phone 41 44 877 35 18 Mobile 41 76 491 66 66 Fax 41 448773519 matthias rueegg pewatron com Sales Switzerland amp Liechtenstein Peter Felder Thurgauerstrasse 66 CH 8052 Ziirich Phone 41 44 877 35 05 Mobile 41 79 406 49 83 Fax 41 4
12. different manufacturers or different capacities is strictly prohibited Never allow a spark or flame in the vicinity of the batteries Make sure the airflow through the fan is not obstructed on both sides front and back of the inverter Please keep any objects clear from the fan at least 15cm Please donot 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 E 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 ISI 501 is a true sine wave DC AC off grid inverter equipped with a solar charger with Maximum Power Point Tracking or MPPT which is digitally controlled by an advanced microprocessor and incorporates a high frequency design This high performance inverter can be paired with both battery and PV modules panels 1SI 501 can provide 500W pure sine wave output continuously 550W for 1 minute and sustain a peak load of 1000W as long as 30 AC power cycles I
13. eas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf AC OUTPUT ll Im Use an insulated plastic IL stick to press onthe Setting button Figure 4 1 Adjusting output voltage and frequency Table 4 1 Voltage amp Frequency Chart 100Vac 110Vac 115Vac 120Vac 200Vac 220Vac 230Vac 240Vac Red Red Red Red Battery Green Green Yellow Yellow Status Red k Red Red Red Battery Green Green Yellow Yellow Light Flashing Step 4 Press the setting button for around 1 second before letting it go The LED indicators Table 4 1 will change with status Please adjust accordingly 115Vac e 50H Hover sonz 230Vac 240Vae 50Hz a N 100Vac ae 200Vac 50Hz 200Vac 60Hz NN 720Vac 110Vac lt 60Hz 115Vac 60Hz 240Vac 230Vacy0HZ 220Vac Figure 4 2 Outputvoltage 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 A a Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf 5 Operation System On Battery Low Shutdown SW ON Protection Auto Recovery
14. n to PV module polarity when wiring Grounding Terminal FG oO I Rende Bite y BATTERY INPUT ONIOF low dam alles LAR Reverse Polarity S Will Damage The Unit Figure 3 2 Rear Panel 4 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 Change 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 restart and adopts the setup the user entered Even ifthe battery is removed ata later time or if there is no source of power the inverter will keep the most recent setup Step 1 The inverter should be turned off while resetting The 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 the panel s orange LED should flash After pressing for 5 seconds the inverter will send out a beep sound Users can release the button and goon with 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 until itis A a Supporting your great id
15. r 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 Panel 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 m a E Supporting your great ideas www pewatron com PEWATRON a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf D Battery Low Alarm This is an electrically isolated dry contact which can provide the user with an external control signal Users will be alarmed of a low battery when the two pins are open and the ISI 501 makes a beep sound Battery Status Connector Status Alarm Battery Low Connector Open Beep Sound Battery Normal Connector Short PV Input Terminal Pay extra cautio
16. s that are too small will resultin lower efficiency less output power and the wires may also become A a Supporting your great ideas www pewatron com a member of the Angst Pfister Group 040 06 409 042 EH 0614 pdf overheated and cause danger Please refer to table 7 1 or consult with our distributors or us if you have any questions Table 7 1 Suggestion for wire selection Cross section of wire lead mm 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 ISI 501 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 the unit from operating in dusty or moist environments This is a power unit with a built in DC fan Please make sure the ventilation openings are not blocked please do not drive the inverter continuously under heavy loadin high ambient environment because it may prevent the inverter from functioning properly and the inverter s lifespan may
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