UK Operating instructions
Contents
1. not carried out within an appropriate time despite a reasonable grace pe riod determined by the customer the decrease in value caused by the fault will be replaced or provided that is in the user s interests not sufficient the contract will be changed Further claims against the manufacturer based on this guarantee obligation in particular customer claims for damages due to ost profit compensation for use and direct damages are excluded provided claims must not be made according to law The Steca GmbH is an ISO 9001 2000 certified company ZERTIFIKAT DIN EN ISO 9001 2000 708 219 06 02 13 9 Technicel Data The technical data is suject to alterations by the manufacture Elektrical Data Operating voltage 12 Vor 24V automatic recognition Voltage range 12 V 6 9V 17 2V Voltage range 24 V 17 3 V 43 0V Permitted operating temperature range 10 C to 50 C Permitted storage temperature range 20 C to 80 C Power consumption mA 12 V ca 12 5 24 V ca 15 8 PWIM Frequency 30 Hz Maximum input voltage 45V Minimum battery voltage 6 9 V Excess Temperature Protection Disconnect load gt 85 C PR 1010 PR 1515 PR 2020 PR 3030 Max continuous module 10A 15A 20 A 30A current at 25 C Max continuous load 10A 15A 20 A 30A current at 25 C Reconnect loadt lt 75 C Data for final charging voltage compe2. no responsibility and liability for losses damages or costs that result due to incorrect installation improper operation usage and maintenance or in any manner associated therewith Similarly we assume no responsibility for patent right or other right infrin gements of third parties caused by usage of this system regulator The manufacturer reserves the right without prior notification to make modifications concerning the product technical data or installation and operating manual Caution Opening the regulator manipulation and repair attempts as well as improper operation voids the guarantee 4 708 219 06 02 2 Installation 2 1 Installation Site Only install the regulator near the battery on a suitable surface This surface should be solid stabile even dry and nonflammable The battery cable should be as short as possible 1 2 m and have a suitable cable diameter size to minimize loss e g use 2 5 mm at 10 A and 2 m length 4 mm at 20 A and 2m length 6 mm at 30 A and 2 m length The regulator and battery should have same temperature ratio for the tem perature compensation function of the charging voltage When the battery is placed far away from the regulator an external temperature sensor is available as an accessory unit Do not assemble the charge controller outdoors The regulator must be installed so that it is protected against humidity dripping splashing and rain water as well as direct and indir
3. PHOTOVOLTAIK PHOTOVOLTAIC PHOTOVOLTAIQUE FOTOVOLTAICA Operating instructions Solar Charge Controller 10A 15A 20A 30A ae 708 219 DE UK 06 02 LL Contents Us 12 1 3 1 4 21 2 2 23 4 1 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 4 2 7 4 2 8 4 2 9 Si 5 2 5 3 6 1 6 2 6 3 6 4 6 5 6 6 6 7 Safety instructions and liability disclaimer ccccceeeeeees 3 The safety instructions are marked as follows 3 General Safety InstrUCtions oiii 3 Scope of Application Liability Disclaimer ae T a PAPO PEE EAEAN AO T P EEPE E A AT E ATA 5 Insta llatiO Site A EE EEE EIE EEEE ETT EE TEET 5 Contiecting the Regulator c cse ccsacspsssssestsscocssessssesessessstesessesersds 5 Leat e L e PAE AE TEET A A 6 Protective functions of the controller 0 0 0 eee ee eens 6 Operating the system regulator c cece cseeeeeeeeeeeeeeeeeeenee 7 Display and Operation Elements Display Window SOC Window Malta e Wi OW ai 7 Modula CUP REM tistics cctcctsicics tes ceseveesestessachascciecosiessishaaserezsstcvestavevsnitad 8 GRATING GUTOR iaceo 5152 Sede secsesadecestsssaescsescocteeseebesesuevensescyasseeses 8 Pente KON i i REE ITT EEE TEA E 8 Ah Battery charging Meta iiaiisacsisriicarasssrunodrninisnasissssoisu iseina 8 Ah Battery discharging meter 0 00 0 cece eee eneeeeeeeeeeneeee 8 Warning deep discharge protection cccc eee eee e
4. andling i the battery Danger of explosion due to improper handling of batteries Cor rosive hazard by leaking battery acid Keep children away from batteries and acid Smoking fire and naked lights are prohibited when handling batteries Prevent sparking and wear eye protection gear during installation Observe and follow the handling instructions in the user manual and on the battery Solar modules generate power from light incidence Even by low light incidence solar modules carry the full voltage Therefore work cautiously and avoid sparking during all work Observe the cor responding safety precautions During installation and electrical installation the photovoltaic system s DC circuit may carry twice its system voltage value in the 12 V system up to 24 V 24 V system up to 48 V Use only well isolated tools Do not use any technical measuring equipment that you know is damaged or defective When installing the power line ensure that no fire safety measures are damaged The regulator may not be installed and operated in moist rooms e g restrooms or rooms in which easily flammable gasoline mixtures may be present such as by gas bottles paint lacquer solvents etc Do not store any of the mentioned mixtures in the room in which the solar regulator is installed If the regulator is operated in a manner not specified by the manufacturer the regulator s constructive protective measures can deteriorate The factor
5. ational regulations One ground is possible for all positive connections however only one connec tion is possible for a negative ground Observe that there is no common connection e g across a ground con nection the minus module connections battery minus and load minus Non observance can damage the regulator IN 3 Protective functions of the controller The regulator is equipped with various devices to protect its electronics battery and load If the regulator s maximal permitted data are exceeded the regulator can break down despite the protective functions Never impro perly connect more than one component to the regulator Error messages Point 7 Error messages display any protective devices triggered The protective function is automatically reset after remedying the error Protection against reverse polarity of solar modules The solar module s power may not exceed the regulator s nominal power Protection against reverse polarity of the connected consumer at the load output Protects the regulator not the consumer Protection against reverse polarity of connected battery Charging and discharging the battery is prevented Short circuiting at the module input Short circuiting at the load output Protection against over charging Regulator disconnects the connection to the battery and turns off the consumer Open circuit proof
6. atteries with liquid electrolytes Sealed lead storage batteries AGM GEL The respective battery type must be set on the regulator see 6 3 Battery Type Gel Li Observe the manufacturer s instructions before connecting the battery Important The regulator is not suited for nickel cadmium 1 nickel metal hydride lithium ions or other rechargeable or non rechargeable batteries Such batteries may not be con nected to the regulator Observe the respective battery s safety instructions The corresponding manufacture s installation manual must be observed when installing the remaining components e g solar module battery or consumer The regulator is not for outdoor use The regulator must be in stalled so that it is protected against exposure to the elements such as rain and direct sunlight Vents may not be covered Do not expose the battery regulator to rain The regulator may only be used for the particular solar applica tions provided Also observe that the permitted model speci fic nominal currents and voltages are not exceeded No liability shall be assumed for any non compliant usage Carefully handle the product 1 4 Liability Disclaimer The manufacturer cannot monitor the compliance to this manual as well as the conditions and methods during the installation operation usage and maintenance of the system regulator Improper installation can cause damages and endanger people Therefore we assume
7. during operation without battery or consumer Load output is protected from high module open circuit voltage directly flowing to load side Reverse current protection at night Prevents reverse current in the solar module at night An additional reverse current diode is not necessary Overvoltage and undervoltage protection mmediately turns off the load output during insufficient or excessive battery voltage e Excess temperature protection f the temperature inside the regulator is too high the regulator s load output is turned off to reduce power loss e Overload protection at load output f the permitted load current is exceeded the load output is turned off Transient overvoltage protection A varistor at the module input protects against overvoltage gt 47 V The component limits the diverted energy to 4 4 joules Deep discharging protection low voltage disconnect Prevents excessive deep discharging or overloading the battery e Meets the European CE standards 6 708 219 06 02 4 Operating the system regulator The display shows a variety of system data by symbols and digits Both buttons control all settings and display windows 4 1 Display and Operation Elements m Display window for o fe system information and X messages k Zia gw Button for switching 5 display windows or calling i up the settings fe o gO 90 940 Manual load swi
8. e final charging voltage is temperature compensated Every 30 days a test is automatically performed to determine if an equalization charging must be carried out 5 3 Deep Discharging Protection The regulator protects the connected battery against an excessive discharging If the battery falls below a specified charge level during SOC control or battery voltage during the voltage controlled function the load output is disconnected and the discharge of the battery is prevented The display shows the early warning and disconnection during deep discharging The setpoints of the deep discharging protection are predefined and cannot be reset 6 Regulator Settings The battery type control type and night light function can be set in the regulator Points for the auto test and the serial number query are also loca ted within the menu The settings remain when the battery is disconnected 6 1 Calling up and Modifying the Settings Press the left button for at least 3 seconds to open the first setting window control type Press the left button again to call up the various windows Press the right button to modify settings The display begins to flash Now with the left button select the settings options The setting must be saved with the right button The display then stops flashing The normal window reappears after a 30 second waiting period or pressing the left button for 3 seconds This applies to all windows 6 2 SOC Setting V
9. ect eeeeeeeeee 8 Load disconmectioninss wai cecsssescsst isaac N 8 FUNCTION OVerVieW cccccesccssessessceesseesseeseseesseessessseeneneeneeeseaeens 8 SOE Calculation aA 8 PWIM CHarge Control sondan aA 9 Deep Discharging Protection c cissssisscecsstearsssosssscssctssenioseevscotssestserss 9 Regulator Settings cccccesceeeeeeeeeeeeeeeeceeseeeeeeseaeeeeeeeeeeeeeneenees 9 Calling up and Modifying the Settings ccs 9 SOC Setting Voltage Control ccsccscecsesasteecsinscectsesseseseseceseseses 9 Gel Liquid Battery Type Setting Night Light Function Setting Default Setting Presetting Activatio aTe e P A EE E EEEE coaceseasereeys 10 Serial NUMber QuUeORY cssccsceazcsasasssccssacansacezcasestaresaswesazeesczanciseneesettace 11 Error Messages ssscsssssssssesssnecnssscnsnssssnecnsseccensseanecessaccenaseanene 11 GUArANCE is cssecscetissscnasievssiicacsnnetssnasinesadnaassbeatccaassevantbnadeanarsnnzesie 13 Technicel Data siiani aaia aeda e a aaa aana aaa 14 Subject to change without prior notice 708 219 06 02 1 Safety instructions and liability dis claimer 1 1 The safety instructions are marked as follows In this manual safety instructions for personal protection are i marked with this symbol The relevant operational safety notes of the system and regulator are marked in bold 1 2 General Safety Instructions Observe the following while installing the regulator and h
10. ect warming e g sunlight The regulator also generates heat during normal operation The installation or assembly into another housing may not obstruct the rear vents necessary for cooling the device To ensure the air circulation for cooling the regulator an area of 15 cm on each side of the regulator must be kept free The temperature at the instal ation site may never fall below or exceed the maximal permitted ambient temperature 15cm The integrated LC display should be protected against UV rays e g sun ight Chronic exposure to UV rays can permanently discolor the LCD 2 2 Connecting the Regulator Om On9 Q10 Connect the individual components to the symbols provided Observe the following connection sequence during commissioning 1 Connect the battery to the charge regulator plus and minus 2 Connect the photovoltaic module to the charge regulator plus and minus 3 Connect the consumer to the charge regulator plus and minus The reverse order applies when deinstalling Please observe that the automatic adjustment to 12V 24V systems does not function properly if this sequence order is not followed An improper sequence order can damage the battery 708 219 06 02 2 3 Grounding Grounding the regulator is not technically required when installing a stand alone solar system Observe however the corresponding applicable n
11. el SOC state of charge The charge level is the energy level still available in the battery Mo difications in the system e g the battery s aging process are automatically taken into consideration by the system s continuous learning process 8 708 219 06 02 Using this SOC information you always have an accurate overview on the actual battery level Using the SOC the regulator also controls the selection of the charging procedure and the deep discharging protection in order to ideally maintain the battery If one of the parameters cannot be recorded because for example a consumer or charging source is directly connected to the battery the SOC calculation is invalid The regulator can then be set to the more simplified voltage guided control see chapter 6 2 The SOC calculation is restarted each time the regulator is reinstalled 5 2 PWM Charge Control The regulator applies a constant voltage charging to the battery The entire available electricity provided by the charging source is used for charging the battery until the final voltage is reached A pulse width modulator PWM regulates the charging current by briefly closing the module input shunt charge controller in the charge control area Depending on the actual battery level various charging procedures float charging boost charging and equalization charging are automatically performed In doing so the settings for the battery and control type are factored in Th
12. er remedying the more significant error The following meaning is assigned to the different error codes Display Meaning Cause Remedy Communication error Disconnect consumer solar LA with the internal module and battery Reinstall memory EEPROM the device If the error Ee reoccurs please contact your specialized dealer Communication error Check the 6 pole plug in a 6 on the external bus connection on the edge 6 pole edge con connector power supply and coo i ews nector function of the external ex tension If the error reoccurs please contact your specialized dealer Short circuit at the Check the contact of the 2 Pa 6 external temperature pole edge connector remove sensor short circuit Check sensor T m fut 708 219 06 02 11 Display gt Meaning Excessive tempera ture regulator turned off the consumer due to internal over heating Cause Remedy Let regulator cool Check the cause for overheating installa tion site other heat sources Possible reduce charge or load current Ensure the regulator has proper ventilation No solar module connected Detection lasts ap prox 15 minutes Check module connection Module connected with reverse polarity perhaps the module feed wire is disrupted Battery voltage too low Voltage lt 10 5 Vor lt 21 0V Check installation Check bat tery voltage possibly recharge batte
13. fferent properties of various modules the twilight threshold cannot be specified accurately An activation delay cannot be set when twilight sets in 6 5 Default Setting Presetting Activation EJ g Calling up the default settings PRE deletes the previous settings and resets the charge controller to the factory settings rr E The default setting is SOC Control Gel Storage Battery Night Light OFF The auto test can determine whether the charge controller is fully operational and localize all possible windows simultaneously The following preparations must be met before you can start the text using the menu item Non compli ance can lead to incorrect test results A Disconnect the solar module from the charge regulator both connections The battery must be connected B Connect a small functional DC consumer e g an energy saving lamp to the load output C Press the right button to manually disconnect the load The load symbol no longer appears in the display After these preparations call up the auto test menu item and continue as follows D Press the right button The display begins to flash 10 708 219 06 02 E Start the auto test with the left button The test expires quickly and automatically F If there is no error this window is displayed shortly 1 sec Afterwards all LCD segments T fade in and out for 1 second Then the auto test aa window reappears in the dis
14. nsation Depends on set Gel storage Liquid elektrolyte Li battery type battery GEL Float charge 14 1 V 28 2 V 13 9 V 27 8 V Boost charge 14 4 V 28 8 V 14 4 V 28 8 V for 2 00 h Equalization charging 14 7 V 29 4V for 2 00 h 30 day maintenance char 14 4 V 28 8 V 14 7 V 28 8 V ge if necessary for 2 00 h for 2 00 h Temperature 4 mV per K and cells internal sensor pre sent optional external sensor possible 708 219 06 02 Charge controller activation Activation threshold of the SOC Control Voltage control charge type Float charge SOC gt 70 gt 12 7 V resp gt 254V Boost charge soc 11 7 V 12 4 V resp 20 09 23 4 V 24 8 V Equalization charge SOC lt 40 lt 11 7 V resp 23 4 V 30 day maintenance charge Load disconnection if within 30 days no equalization or boost charge was active Mechanical Data Protection type SOC Control Voltage control Early warning load SOC lt 40 lt 11 7 V 23 4V disconnection Load disconnection SOC lt 30 lt 11 1V 22 2V Load reconnection SOC gt 50 gt 12 6V 25 2V IP 22 Installation wall installation Weight 350g Housing recycledable plastic housing Dimensions L x B x H 187 x 44 x 96 mm Fastening hole clearance vertical 60 mm horizontal 177 mm Terminals fine strand 16 mm 25 mm AWG 6 4 mm 708 219 06 02
15. ntee obligations towards the end user The manufacturer will remove all manufacturing and material faults that ap pear in the regulator and affect the correct functioning of the device during the guarantee period Normal wear does not constitute a fault The warran ty is void if after the end user completes the purchase contract the fault is attributable to the end user or a third party is caused in particular by impro per installation or commissioning improper or negligent handling excessive wear mechanical damage inappropriate resources faulty construction work inappropriate building grounds or improper operation or use The warrantee is only valid if after discovery the fault is immediately claimed to your specialized dealer The claim is to be sent by the specialized dealer to the manufacturer A copy of the purchase contract must be enclosed An exact fault description is required for a rapid settlement The warrantee expires 24 months after the end user has completed the purchase contract unless the manufacturer has expressively agreed to an extension period in writing The manufacturer s warrantee based on the purchase contract with the end user is not affected by these present guarantee obligations The manufacturer is entitled to carry out the warranty by repairing the fault or delivering a replacement This does not include exchange shipping or reinstallation costs If repairs or replacement delivery are is not possible or
16. oltage Control The SOC control is the factory setting This way the charging procedure and the deep discharging protection are controlled by the calculated SOC value for ideal battery usage Only fixed voltage thresholds gt gt gt 5 are used and the SOC bar dis play is faded out in all windows during voltage guided control cmr ve MERDA Ws ol 708 219 06 02 9 6 3 Gel Liquid Battery Type Setting The standard setting is Li Li The setting of the battery type influences the cutoff voltage of jo the controller If you use a Gel bn k t or AGM battery you have to change the battery type to GEL Dod 5 Caution An incorrect battery type setting can damage the battery 6 4 Night Light Function Setting This setting provides three options in the following order OFF The function is deactivated default Operating time choice of 1 to 8 hours ON The consumer output remains on for the entire night c gt lie gt lie gt J NEC m hae toh Lave This function controls the load output only when it is dark at night During daylight the consumer output remains off The connected solar module records information on the light intensity The load is activated once the solar module detects that it is dark Once it becomes light the regulator deactivates the consumer output regardless which illumination duration has been selected Due to di
17. play gpg G If there is an error an error code is displayed Note the code your Steca distributor can help you find the error with this information After a 30 seconds the display returns to the auto test m window During this the display flashes Jaf ont Iis H In the flashing auto test window press the left button again to repeat the test or the right button to end the test 6 7 Serial Number Query Each regulator has a serial number that can be queried using this window Press the right button and the SN display begins to flash Now press the left button to display the number The digits are e displayed successively 12345678 art Press the right button to stop or continue the display Note the order of the digits for the complete serial number 7 Error Messages Caution Please do not open the regulator or attempt to replace components when troubleshooting Improper maintenance can be hazardous to the user and the system If the regulator detects errors or unauthorized operating states it flashes error codes on the display Error codes can generally be differentiated whether there is a temporary malfunction e g regulator overload or a more serious system error that can be remedied by appropriate external measures Since not all errors can be simultaneously displayed the error with the highest error number priority is displayed If several errors are present the second error code is displayed aft
18. ry manually Consumer connected directly to the battery can deep discharge the battery O KI pon Battery voltage too high Voltage gt 15 5V or gt 31 V Check installation Check battery voltage possibly check additional charge sources od Load current too Reduce the load current using 6 high The regulator s the consumer output coo sais eae Perhaps current spikes are oc Cus current has been curring through the consumer exceeded the load output has therefore Try reconnecting the load been disconnected Ry gt Module current too Reduce the load current or pi high module power coun The regulator s per thy mitted input current has been exceeded sj i Short circuiting at the Remove short circuit dis 6 load output connect consumer and try to Eii reconnect et If there is a short circuit in the module the moon symbol appears during the day The module input is protected by an internal electronic fuse 12 708 219 06 02 Display Meaning Cause Remedy e o No battery connected Supply only by solar module Pa 6 or connection inter Connect battery to regulator pas rupted and check battery fuse E e l ci Storage battery con Disconnect battery and con Z nected with reverse nect to regulator with correct polarity polarity 8 Guarantee The manufacturer assumes the following guara
19. tch or confirmation button in program mode 4 2 Display Window Symbols for current direction Battery symbol Sun Charging day Moon Night Symbol for load Face symbol for system status Tools for error messages SOC Bar display inea nits display 7 Segment display for text and numbers Change the display windows with the left button After switching windows the window selected remains To return to the beginning simply press the left button until the SOC window appears The bar display shows the actual battery level SOC state of charge of the battery in each window If the regulator is set to voltage control the SOC bar display does not appear and the battery voltage value replaces the SOC percentage value Please observe that the accuracy of the regulator s display is not com parable to that of a measuring device 4 2 1 SOC Window Displays the charge level day night level and consumer on off Instead of the SOC value the battery voltage is displayed during voltage control 4 2 2 Voltage window Displays the battery voltage measured by the regulator 708 219 06 02 7 4 2 3 Module current Displays the actual produced solar module s current output 4 2 4 Charging current Displays the charging current flowing into battery from the solar module 4 2 5 Load current Displays the current drawn by the load o
20. utput 4 2 6 Ah Battery charging meter Displays the accumulative sum of recharged Ah since the initial installation or reset Press both buttons for 3 seconds to reset the meter to 0 Ever when the battery is disconnected the value remains When 99 9 KAh are rea ched it will switch back to 0 Ah 4 2 7 Ah Battery discharging meter Displays the accumulative sum of Ah drawn by load since the initial installation or reset Press both buttons for 3 seconds to reset the meter to 0 When 99 9 KAh are reached it will switch back to 0 Ah 4 2 8 Warning deep discharge protection As an early warning the SOC bar or the voltage value flashes The face still looks friendly 4 2 9 Load disconnection If the deep discharging protection has been activated the SOC bar or the voltage value flashes The face looks sad until the reconnec tion setpoint is reached 5 Function Overview This charging regulator has basic functions for specifying the charging state SOC charging specification and deep discharge protection that are descri bed in the following section Additional functions that can be activated such as the settings night light function auto test presetting and serial number query are explained under the corresponding menu items in chapter 6 5 1 SOC Calculation During operation the regulator monitors various parameters U 1 of the battery and from that calculates the battery s charge lev
21. y signs and marking may not be modified removed or made unrecognizable All work must be performed in confor mity with the national electrical specifications and related local regulations When installing the regulator in foreign countries information concerning regulations and protective measures must be obtained from the relevant institutions authorities Do not begin the installation until you are sure that you have technically understood the manual and perform the work only in the order provided in this manual The manual must be available during all work performed on the system third parties included This manual is a component of the system regulator and must be included with the regulator when given to a third person 708 219 06 02 3 1 3 Scope of Application This manual describes the function and installation of a regulator for photo voltaic PV systems for charging 12 V or 24 V lead batteries for recreational residential business commercial areas and small businesses The charge regulator is only suitable for regulating photovoltaic solar mo dules Never connect another charging source to the charge regulator This can destroy the regulator and or source Consult your specialized dealer or installer if other charging sources should be used and observe the 5 1 SOC Calculation item in this manual The regulator is only suitable for the following chargeable 12 V or 24 V battery types Lead storage b
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