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SR208C

1. Within this time section switch on temperature is 40 C switch off temperature is 45 C The second time section from 10 00 to 10 00 am it means there is no back up heating in this time The third time section back up heating function starts at 17 00 and ends at 22 00 pm Within this time section the switch on temperature is 50 C switch off temperature is 55 C The switch on temperature adjustable range 10 C OFF 2 C The switch off temperature adjustable range ON 2 C 80 C lf you want to shut off one timing heating then you can set the turning on time and turning off time same value for example the second time section no this function then you can set turning on off time is 10 00 10 00 When time is outside of the preset time section back up heating doesn t work automatically even when the tank temperature reaches the switch on temperature of heating Operation manual of solar water controller SR208C Note e When there is no sensor installed in the top part of tank no T3 sensor controller will take the signal of T2 sensor in bottom of tank automatically to control this function e The time in this controlled is 24 hours when you set time section the switch off time of heating should be larger than switch on time For example if you set the switch on time of heating is at 17 00 but switch off time of heating is 6 00 then this setting doesn t take effect that means within this time sectio
2. e Connecting and or all operations that require opening the regulator e g changing the fuse are only to be conducted by specialists 1 2 About this manual This manual describes the installation function and operation of a solar thermal controller When installing the remaining components e g the solar collectors pump assemblies and the storage unit are sure to observe the appropriate installation instructions provided by each manufacturer Only trained professional personnel may only perform installation electrical connection commissioning and maintenance of the device The professional personnel must be familiar with this manual and follow the instructions contained herein 1 3 Liability waiver The manufacturer cannot monitor the compliance with these instructions or the circumstances and methods used for installation operation utilization and maintenance of this controller Improper installation can cause damages to material and persons This is the reason why we do not take over responsibility and liability for Operation manual of solar water controller SR208C losses damages or cost that might arise due to improper installation operation or wrong utilization and maintenance or that occurs in some connection with the aforementioned Moreover we do not take over liability for patent infringements or infringements occurring in connection with the use of this controller on third parties rights The manufacturer preserves
3. manual of solar water controller SR208C 5 4 4 CFR frost protection of collector Description In winter when the temperature of collector is below the preset frost protection temperature factory set is 4 C Solar circuit pump is triggered Besides when tank temperature T2 drops to 4 C electrical heater is triggered automatically and it is in operation until T2 is heated up to 20 C or it is stopped when program of CFR is exited When collector temperature rises up to 7 G solar circuit pump is ceased program of CFR exits automatically This function is used in system which use water as heat transfer liquid to avoid the freezing of solar heat transfer fluid Setup steps To access main menu TEMP then select submenu CFR CFR displays on screen default set is off gt Press SET button default off blinks r F J Pm Repress SET button to activate or deactivate this function gt Press A V button to adjust the frost protection function adjustable range is 10 C 10 after function activated default set is 4 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Ji CFR signal displays on screen it indicates that this function is in activated Note this function is only available in special solar system which using no anti freezing liquid this kind of system is only suitable in area where the ambient temp
4. Nedali sasn N 27 5 9 Temperature Query fUNCTION ccccccsssssceececssssseeceecssssnseeceeceseenaeecessesssaneeeeess 27 6 Protection TUG HOI einean a a aaah 28 Gr lic Memoiy protection serrian E aineetideneanunnenaels 28 02 OCTEON POC LOM arinin a a a a 28 Zs IROURIC SMO OUNG ernan E A ae 28 KOUDE 8 0 2103 a a aioa note eer eterna reerne eager cetera tet omen onEN Cia reverent Perr 28 72 MPOUDIS CMEC ING hcctns deca ni nN esos esaee a adc 29 Oe QUAIINY Gal QC C arn e AA ECEE PN OAE TO 31 S ea eee E ie EAA E E a E E EE eo E A 32 10 Delivery SCOPE ccscrnuo an A A 33 APIS PAC OS Olle nonr a E E eee ents 33 Operation manual of solar water controller SR208C 1 Safety information 1 1 Installation and commissioning e When laying cables please ensure that no damage occurs to any of the constructional fire safety measures presented in the building e The controller must not be installed in rooms where easily inflammable gas mixtures are present or may occur e The permissible environmental conditions can t be exceeded at the site of installation e Before connecting the device make sure that the energy supply matches the specifications that controller requires e All devices connected to the controller must conform to the technical specifications of the controller e All operations on an open regulator are only to be conducted cleared from the power supply All safety regulations for working on the power supply are valid
5. Repress SET button activate and deactivate aul MX this function if deactivate the function CMX displays on screen gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically CMX signal displays on screen it indicates that this function Is in activated 5 4 3 CMN low temperature protection of collector Description When the temperature of collector is below preset CMN temperatures solar circuit pump is ceased even when the temperature difference between collector and tank exceeds switch on temperature difference solar pump doesn t work yet When temperature of collector is 3 C higher that the preset CMN temperature solar circuit pump Is restarted controller exits this program Setup steps To access main menu TEMP then select submenu CMN CMN displays on screen default set is off gt Press SET button default off signal blinks on screen gt Repress SET button to activate and deactivate this function gt Press A V button to adjust the low protection temperature of collector CMN adjustable range 00 C 90 C after activate the function factory set is 10 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Ji CMN signal displays on screen it indicates that this function is in activated Operation
6. Science and Technology Create Perfection Installation and Operating Manual SR208C SOLAR CONTROLLER For Split Pressurized Hot Water System A Read the instruction carefully please before operation Operation manual of solar water controller SR208C Contents Di OEY OM MOM cae EAE T E vests Syn asate saves E E AE A taser ee nee 3 1 1 Installation ANd COMMISSIONING ccccessscccesesseececessneceesesseeeeseseeeeessestseeeessensaeeess 3 12 ADOUE THIS MANUA iea E teeta A 3 i Lap Wa Mt Se tate hare elas ee ane a hata yen eesbanane AE 3 1 4 Important TS MAING sivcendscteneredesrncrestieseseiacsseesiiese send esevandiattswustessdunts Jedeassaetempaamasaeatancandee 4 TS LISSEMOUCI OMS VINO OIS Gea Sat ce ee oda le etal eed ll octet crab abcd eeee es Bat hearts 4 1 6 Description Of operation button ce eeccscccssssssceesesseeceesesseeceesessueeessesteseeessensaeeess 4 2 MASTANATION Saitsconvetetee tnd taeai a a a a une atauinad 5 2 AMASTAMMG the Controler sireno E tn clesemmeraria ail 5 2 2 POWT CONNGCUO Nasarener eine Aust E ters ulh orieate altri A A 6 2 2 Terminal connection a hs 6 S COMMISSIONING eeri A eum deeensieeoteadnneneaes 8 IA DST MIME WOCK aeres aE sehen 8 SL MENU STUC U Geena e ner een re emeT nt oe mma Te iy neath nent re nine een tr 9 IIS IMSS CMI TON ensine e Eai 10 34 SV SICI COSC DUO Paste sce ee dacertere oe etic e N lad ones aan R 11 4 Function operation and parameter setup user Qrade cccescccess
7. edo according to above steps 5 9 Temperature query function Under standby status gt Press A V button can check the value of temperature sensors T1 T3 When checking temperature T1 T3 will displays one by one corresponding sensor signal blinks gt Press ESC button clock and tank temperature can be displayed Operation manual of solar water controller SR208C 6 Protection function 6 1 Memory protection In case power failure occurs controller keeps the parameter settings unchanged 6 2 Screen protection When no any press on button for 3 minutes screen protection is activated automatically and then LCD lighting lamp is switched off Through press any button to light LCD lamp again 7 Trouble shooting 7 1 Trouble protection When there is a break or short circuit between the connection of temperature sensors controller switches off the corresponding functions and no more output signals are given at the same time error signals Q are showed on the display If control unit does not work correctly please check following points gt Press A V button to check error code Q Signal displays on the LCD screen Operation manual of solar water controller SR208C Error message Meaning Cause of error Error on LCD screen rectification Sensor wiring Check T1 sensor interrupted not resistance problem SE connected or short circuit value replace Sensor wiring Check T2 senso
8. effects must not be laid close to 230 volt or 400 volt cables minimum separation of 100mm lf external inductive effects are existed e g from heavy current cables overhead train cables transformer substations radio and television devices amateur radio stations microwave devices etc then the cables to the sensors must be adequately shielded Sensor cables may be extended to a maximum length of ca 100 meter when cable s length is up to 50m and then 0 75mm cable should be used When cable s length is up to 100m and then 1 5mm cable should be used Operation manual of solar water controller SR208C Output ports Output R1 for hot water circuit pump electromagnetic relay and max switching current 3 5A R1 ports are always open Output H1 for back up electrical heater electromagnetic relay and max switching current 3 5A H1 connection ports are always open 3 Commissioning i Connect the sensors pumps or switching valves to the controller before you connect the power supply After switching on power to the controller firstly it will ask for to set the time password and parameters of system 3 1 Set time week gt Press Clock button time displays on screen hour selection area OO blinks on display screen gt Press A Y button to set hour of clock S H 1 gt Press Clock button again minute area 00 blinks eal ke gt Press A Y button to set minute of clock
9. elease SET button Controller recovers to factory set new paramters can be reset now gt Press ESC button to exit set program or wait for 20 seconds to exit automatically Operation manual of solar water controller SR208C 5 8 Manual heating Description Electrical heater gas or oil boiler can be as back up devices in a solar system this controller can achieve constant temperature controlling when controller gets temperature signal of top part tank T3 is 2 C below the preset temperature back up heating will be triggered When temperature of top part tank T3 reaches to the preset temperature heating is ceased Conditions for triggering manual heating function the setting temperature should be 2 C higher than tank temperature Activate deactivate the function gt Press Heating button temperature 60 C blinks on the screen gt Press A V button to adjust switch on temperature adjustable range 10 C 80 factory set is 60 C After 20 seconds this function is activated signal hy displays on the screen and heating signal G blinks also gt Press Heating button again to switch off manual heating function Note manual heating can only heat tank one time after manual heating is triggered when temperature of tank rises up to the preset temperature manual heating ceases and manual heating function will be deactivated automatically if customer wants to heat again you need r
10. er detailed see paragraph 4 3 Within the preset time section of back up heating if the temperature T3 is below the switch on temperature then the circulation pump H1 of back up heating is triggered when T3 is heated to the switch off temperature circulation pump H1 of back up heating is ceased pore E Output ports 8 8S OOo iT T2 ki ERI Hi input Ports T1 Temperature sensor for ae oe collector array T2 Temperature sensor in the top part of tank optional sensor T3 Temperature sensor on hot water circulation pipe optional sensor p el n P R1 Solar circuit pump H1 output for back up electrical heater Operation manual of solar water controller SR208C 4 Function operation and parameter setup user grade 4 1 Main menu THET timing heating Description Electrical heater gas boiler or oil boiler can be integrated into solar system used as back up of system and they can be triggered automatically at preset time by preset temperature Within a preset time section when the temperature T3 of top part of tank drops below the preset switching on temperature of this function back up heating starts to work when T3 rises up to the preset turning off temperature back up heating is stopped Within 24 hours three time sections can be set with this controller Factory set The first time section back up heating function starts at 4 00 and ends at 5 00 am
11. erature 5 4 2 CMX Maximum limited collector temperature collector cooling function Function description The collector cooling function delays the vaporization of the heat transfer fluid Shortly before reaching the maximum temperature of the collector the solar pump starts working in order to cool down the heat transfer fluid using the heat losses occurring in pipelines and storage cylinder When tank temperature rises to its preset maximal temperature solar circuit pump is ceased compulsively even the temperature difference is satisfied If the sunshine is very good as a result collector temperature will rise continuously when collector temperature rises up to its maximal temperature solar pump will be triggered again even at the case that tank temperature is already to its maximal temperature And solar pump works until the temperature of collector drops since this reversed circulation or when tank temperature rises its emergency temperature 95 C When a displays and blinks on the screen it indicates that tank emergency temperature reaches tank temperature is 295 C Setup steps To access main menu TEMP then select submenu CMX CMX 110 C displays on screen gt Press SET button parameter 110 C blinks gt Press A V button to adjust the collector protection temperature adjustable range Operation manual of solar water controller SR208C 100 C 190 C factory set is 110 C gt
12. erature is near to 0 C in only few days If safety requirement is very high then anti freezing is necessary we suggest to use suitable anti freezing liquid to avoid frost problem Operation manual of solar water controller SR208C 5 4 5 SMX Maximum temperature of tank Description When the DT between collector T1 and Tank 2 caters the switch on DT of circulation solar pump is triggered but in order to avoid the high temperature inside tank controller will check whether the temperature T3 of top part of tank is higher than maximum temperature of tank when T3 is higher than preset SMX temperature solar pump is ceased even at the case that DT caters condition When tank temperature drops and is 2 C below the SMX solar pump restarts when DT caters condition Setup steps To access main menu TEMP then select submenu SMX SMX 60 C displays on screen gt Press SET button parameter 60 C blinks G M x gt Press A Y button to adjust the value of fad ie maximum temperature of tank1 adjustable range ont is 2 C 95 C default set is 60 C gt Repress SET button to activate and deactivate this function if function deactivated SMX displays on the screen gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically SMX signal displays on screen it indicates that this function Is in activated 5 4 6 REC Tank re co
13. f the plug or effective compliance with the provisions of the installation For example switch or fuse please note that it should be separated between the wires and use AC power 2 1 Installing the controller 46mm A protection Fixing the hang panel of controller gt Choose a suitable site gt Mark the position of hole gt Drill the fixing hole insert the expansion screw gt Take away the cover gt Insert the screw fixing hole and hang the controller gt Market the hole of gt Then take away of controller again gt Drill the fixing hole gt Re hang the controller again take away the bottom cover Insert the screw and fixing CO OKC Ol 128mm 7 lt 163mm gt Note the controller can only be installed in an area having an adequate level of Operation manual of solar water controller SR208C hole 2 2 Power connection Power can only be switched on when the house of controller is closed an installer must make sure that the IP protection class of the controller is not damaged during installation Depending on the type of installation the cables may enter the device through the rear hole of the case or the lower side hole of the case Cable come from the rear 8 remove the plastic flaps from the rear side of the case using an appropriate tool Cable come from the below cut the left and right plastic flaps using an appropriate tool e g Knife and break t
14. hem out of the case Notes the flexible wire must be fastened on the case using the clamps provided 2 3 Terminal connection A Terminal layout Before to open the terminal please be sure to switch off the power supplier and pay attention to the local electricity supply rules Input ports Output ports Operation manual of solar water controller SR208C Power connection Power connection terminal is Input ports Ground line terminal is GND Sensor input ports Input sensor ports T1 for Pt1000 sensor used for measuring the temperature of collector Input sensor ports T2 and T3 for NTC10K B 3950 sensors used for measuring the temperature of tank Advice regarding the installation of temperature sensors Only original factory equipped Pt1000 temperature sensors are approved for use with the collector it is equipped with 1 5meter silicon cable and suitable for all weather conditions the temperature sensor and cable are temperature resistant up to 280 C not necessary to distinguish the positive and negative polarity of the sensor connection Only original factory equipped NTC10K B 3950 temperature sensors are approved for use with tank and pipe it is equipped with 1 5meter PVC cable and they are temperature resistant up to 105 C not necessary to distinguish the positive and negative polarity of the sensor connection All sensor cables carry low voltage and to avoid inductive
15. ike following access submenu gt Press SET button to access submenu gt Press A V button to select submenu gt Press SET button again to access program D M X can adjust parameter value now ric vit gt Press A Y button to adjust the value of parameter Forexample submenu gt Press ESC button exit program of submenu gt Press ESC button again to exit main menu Operation manual of solar water controller SR208C 5 3 Main menu DT O amp DT F Temperature difference function Description Solar circuit pump R1 is triggered by the temperature difference function so long as the temperature difference between collector and tank reaches the switch on DT solar circuit pump is triggered For example the switch on DT is 8 C switch off DT is 4 C if the temperature in the bottom part of tank is 20 C then just when collector temperature rises up to 28 C pump is triggered and when collector temperature drops to 24 C pump is ceased Note the switch on off DT of 8 C and 4 C are standard system setting according to many years experience only in special application cases it needs to be changed e g far distance heat transferring normally it is recommend to use default set Switch on and switch off DT are alternating set To avoid mistake the minimum difference between two temperature differences ATon AToff is set as aC Setup the switch on temperature difference Under standby sta
16. in menu Adjustable Factory Function exit Function range set temperature 5 4 1 EM Emergency collector temperature 120 C 200 C 130 C 127 C Emergency switch off temperature of collector 5 4 2 CMX Maximum limited collector temperature 110 C 190 C 110 C 107 C collector cooling function 5 4 3 CMN low temperature 0 C 90 C protection of collector 5 4 4 CFR frost protection of 10 C 10 C OFF collector 5 4 5 SMX Maximum temperature of tank 5 5 6 REC Tank re cooling function 5 4 7 C F Celsius and Fahrenheit temperature transferring Operation manual of solar water controller SR208C 5 4 1 EM Emergency collector temperature Emergency switch off function Function description When temperature of collector rises up to the preset maximum switch off temperature collector emergency switch off function is activated As the result of this function solar circulation pump is stopped it avoids the damage of system components caused by over heated temperature EMOF parameter is for set maximum switch off temperature of collector factory set 130 C if the collector temperature rises up to preset EMOF temperature solar pump is stopped EMON parameter is for set maximum switch on temperature of collector factory set 120 C when the collector temperature drops to EMON temperature solar pump can be triggered again collector emergency switch off function is deactivated automatically EMOF collector maximum
17. link temperature SMX has been Lighted 3 reached N The maximum collector temperature EM has been reached Fault short circuit or open circuit in a Error message temperature displays on the sensor screen The solar pumps The pump symbol Frost operated despite in the display protection the fact that the blinks function or tank switch on re cooling conditions are not function satisfied activated Check the power cable pump No fault On the controller request the current values from all connected temperature sensors replace all defective sensors and or cabling No problem it is normal If necessary to deactivate the corresponding functions Operation manual of solar water controller SR208C A Warning Remove the device from the mains supply before opening the case A potentially defective sensor can be checked using an ohmmeter To do this the sensor must be disconnected its resistance measured and the value compared with the figures in the table below small deviation 1 is acceptable PT1000 resistance value c o 10 20 30 40 50 60 70 80 1155 1194 1309 1347 NTC 10K B 3950 resistance value c o 1 2 30 40 50 60 70 8 90 933 8 Quality Guarantee Manufacturer provides following quality responsibilities to end users within the period of quality responsibilities manufacturer will exclude the failure ca
18. links gt Press A Y button to enter the third digital gt Repress SET button the fourth digital blinks DEINDE gt Press A Y button to enter the fourth digital gt Press SET button PWDN 0000 displays on the screen ask for entering a new password doing like above to enter the new password Operation manual of solar water controller SR208C gt Press SET button PWDG 0000 displays on the screen ask for reentering the new password J W qT E doing like above to reenter the new password waaa PWOK displays on the screen to indicate N E E reentering password successfully gt Press ESC button to exit set program or wait for 20 seconds to exit automatically A lf the password is forgot it is not possible to recover but you can recover the Warning password to factory set then you can reedit a password like above descript steps doing like following to recover to factory set gt Open the connection terminal cover gt Press V and hold down then repress the reset button which is on the terminal plate gt Buzzer makes du 3 times then release button Controller recovers to factory set anew password can be reset now 5 7 LOAD Recovery factory setting Setup steps To access main menu REST PPress SET button YES displays on the YE L screen Hold down SET button buzzer makes du 3 times then r
19. m parameter is saved automatically gt Press A button tH 30 17 00 displays on screen set the switch on time and temperature of the third time section of heating function Operation manual of solar water controller SR208C gt Press SET button 17 of hour time blinks on screen iii t H Jo gt Press A V button to adjust hour of time a T Hi Pm Repress SET button 00 of minute time blinks on screen gt Press A V button to adjust minute of time gt Repress SET button temperature 50 C blinks on screen gt Press A Y button to adjust switch on temperature of heating gt Press ESC to exit this set program and to the switch off time and temperature set gt Press A button tH 3F 22 00 displays on screen the switch off time and temperature of the third time section of heating function can be set SET t H JF gt Press SET button 22 of hour time blinks on 4 4 roe Z L ptt screen gt Press A Y button to adjust hour of time gt Repress SET button 00 of minute time blinks on screen gt Press A V button to adjust minute of time gt Repress SET button temperature 55 C blinks on screen gt Press A Y button to adjust switch off temperature of heating gt Press ESC to exit menu or wait for 20 seconds set parameters are saved automatically Note when no gas or oil boiler is installed in s
20. mperature 45 C blinks on screen gt Press A V button to set switch off temperature of heating gt Press ESC to exit this set program parameters are saved automatically gt Press A button tH 20 10 00 displays on screen the switch on time and temperature for the second time section of heating function can be set H J C CI gt Press SET button 10 of hour time blinks on etm lw screen ah a gt Press A Y button to adjust hour of time gt Repress SET button 00 of minute time blinks on screen gt Press A Y button to adjust minute of time gt Repress SET button temperature 50 C blinks on screen gt Press A V button to adjust switch on temperature of heating gt Then press ESC to exit this set and to access the switch off time and temperature set gt Press A button tH 2F 10 00 displays on screen set the switch off time and temperature of t H J f i second time section of heating function TEERDE gt Press SET button 10 of hour time blinks on ARR screen gt Press A Y button to adjust hour of time gt Repress SET button 00 of minute time blinks on screen gt Press A Y button to adjust minute of time gt Repress SET button temperature 55 C blinks on screen gt Press A V button to adjust switch off temperature of heating gt Press ESC to exit this set progra
21. n heating function doesnt work The correct set is like flowing it should be divided into two time sections one time section is from 17 00 to 23 59 the other time section is from 00 00 to 06 00 Setup steps Under standby status access main menu tHET gt Press SET button access THET program to set parameter tH 10 04 00 displays on screen the switch on time and temperature for first time section of heating function can be set gt Repress SET button 04 of hour time blinks on screen gt Press A Y button to adjust hour of time Pm Repress SET button again 00 of minute at time blinks on screen tie A gt Press A Y button to adjust minute of time gt Repress SET button temperature 40 C blinks on screen gt Press A Y utton to set the switch on temperature of heating gt Then Press ESC to exit this set and to access the switch off time and temperature set gt Press A button tH 1F 05 00 displays on screen the switch off time and temperature for first time section of heating function can be set gt Press SET button 05 of hour time blinks on F screen ap tt i gt Press A Y button to adjust hour of time J i t Hf Operation manual of solar water controller SR208C gt Repress SET button 00 of minute time blinks on screen gt Press A V button to set minute of time gt Repress SET button te
22. oling function Description If tank temperature is over tank s maximum temperature and at the same time collector temperature is 5 C lower than tank temperature then solar pump is triggered through this reversed circulation tank temperature is reduced by heat loss occurs in collector solar pump keep in working until tank temperature drops below its maximum temperature Operation manual of solar water controller SR208C Setup steps To access main menu TEMP then select submenu REC REC OFF displays on screen default set is off gt Press SET button parameter OFF blinks on screen gt Repress SET button to activate or deactivate this function after function activated factory set is REC ON gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically REC signal displays on screen it indicates that this function is in activated 5 4 7 C F Celsius and Fahrenheit temperature transferring Setup steps To access main menu TEMP then select submenu C F C_F C displays on screen Pm Press SET button parameter C blinks on the screen gt Press A button to select between Celsius and Fahrenheit temperature factory setis C Press ESC button to exit menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 5 HND Manual mode When using this cont
23. ott gt Press ESC button to exit set program or wait for 20 seconds to exit program automatically Operation manual of solar water controller SR208C 3 2 Menu structure SET i Enter password Main menu Ta O AY AY Submenu SBS ESES ES EDEN a Submenu Through submenu customer can set the parameter as desired value please check it carefully Operation manual of solar water controller SR208C 3 3 Menu description Code Code Menu Description Mainmenu Submenu Emergency turnoff temperature of collector Collector cooling function Recovery to factory set Operation manual of solar water controller SR208C 3 4 System description Note T3 is alternative sensor when no sensor T3 is installed in the top part of tank controller will use the signal of sensor T2 automatically to control the auxiliary heating or the circulation pump 1 collector array 1 storage tank 1 pump and auxiliary heating Description The solar circuit pump R1 is switched on as soon as the switch on temperature difference AATon between the collector array T1 and the storage tank T2 is reached If the temperature difference between the collector array T1 and storage tank T2 drops below the switch off temperature difference A Toff or the temperature of storage tank T3 reaches the preset maximum storage temperature then the solar circuit pump R1 is switched off Back up heating by auxiliary boil
24. r interrupted not resistance problem a connected or short circuit value replace 7 2 Trouble checking The controller is quality product conceived for years of continuous trouble free operation If a problem occurs the cause of the problem very often lies not in the controller but in the peripheral components The following description of some well known problems should help the installer and operator to isolate the problem so that the system can be place back into operation as quickly as possible and to avoid unnecessary costs Of course not all possible problems can be listed here However most of the normal problems encountered with the controller can be found in the list below only return the controller to seller when you are absolutely sure that none of the problems listed below is responsible for the fault Symptoms Secondary Possible cause Procedure symptoms Controller does Display shows Controller Check the controller not appear to nothing no display power supply is power cable function at all illumination interrupted or Press reset button program is out of work Operation manual of solar water controller SR208C The solar pump The pump symbol Pump power supply is interrupted doesn t in the display blinks operate despite the fact that conditions are switch on satisfied Pump doesn t The pump symbol The maximum operate in the display storage tank doesn t b
25. roller first time or when debugging this controller output of this controller R1 H1 can be triggered manually On OFF control Setup steps To access main menu HND gt Press SET button HND1 off displays on the screen R1 output manually set Operation manual of solar water controller SR208C gt Repress SET button HND1 on displays on the screen R1 output is switched on gt Repress SET again HND1 off displays R1 a HNJ I output is switched off gt Press ESC to exit R1 set program gt Press A button HND2 off displays on the screen H1 output manually set gt Press SET button HND2on displays on the screen H1 output is switched on gt Repress SET again HND2off displays H1 output is switched off gt Press ESC to exit H1 set program Note when manual mode is hy activated signal displays on the screen after 15 minutes all outputs are switched off controller exits manual mode automatically 5 6 PASS Password setting Setup steps To access main menu PASS Press SET button PWDC 0000 the left digital blinks ask for to enter the password factory set is 0000 J a gt Press A V button to enter the first digital mf W Hi L gt Repress SET button the second digital blinks F J aW UN gt Press A Y button to enter the second digital gt Repress SET button the third digital b
26. steeeseesteeeeees 12 4 1 Main menu THET timing heating ee eecesseceeeessssneeeecessssseeeeeessesseeeeeeees 12 5 Function operation and parameter setup engineer grade cccsessseeeeeees 16 Dil ACCESS MaN MCN iscccelsdunsensitesscitcsinectaniasenud ase E a A a a 16 I2 ACCESS SUBMENU A N ees 16 5 3 Main menu DT O amp DT F Temperature difference fUNCTION eeeeeeeeeees 17 5 4 TEMP Temperature Main MON ccessscccecessssencececssssseeeececssesseeeeeeesesesaneseeeens 18 5 4 1 EM Emergency collector temperature Emergency switch off function 19 5 4 2 CMX Maximum limited collector temperature collector cooling function 20 5 4 3 CMN low temperature protection Of COMECtO cccccecessseecesssseeeeessseeeessees 21 5 4 4 CFR frost protection Of collector cc cessscccesssssececessnseeesesseeeeseesssesessessaseeees 22 5 4 5 SMX Maximum temperature Of tank ce cececcssecesssececesseeeesseeeessseeessseeeseees 23 Operation manual of solar water controller SR208C 5 4 6 REC Tank re Cooling function ccccccceccssssecesssssseeeceseseeeecssssseeecssnueeeeesesaseeeses 23 5 4 7 C F Celsius and Fahrenheit temperature transferring c ccceseecesteeeeees 24 5 OAND Manual MOG sicicssiseccaseets es Getcha tba Co ole aa oie 2a aia aes 24 5 60 PASS Password SUING arenino a E AR 25 5 7 LOAD Recovery TAClOly Sendi eeseian a E beat scec tall edeaetie 26 5 9 Manual
27. switch off temperature Select submenu EMOF EMOF 130 C displays on the screen gt Press SET button parameter 130 C blinks on the screen gt Press A V button to adjust the EMOF temperature adjustable range ON 3 C 200 C factory set is 130 C gt Repress SET button activate and deactivate this function if deactivate the function EMOF displays on screen gt Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameter is saved automatically EMON collector maximum switch on temperature Select submenu EMON EMON 120 C displays on the screen gt Press SET button parameter 120 C blinks on the screen gt Press A Y button to adjust the EMON temperature adjustable range OFF 3 C 200 C factory set is 120 C gt Repress SET button activate and deactivate this function if deactivate the function EMON displays on screen Operation manual of solar water controller SR208C gt Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameter is saved automatically Tk signals display on the screen means collector emergency switch off function is activated and tank temperature rises up to its maximum permitted temperature 4 Only this signal displays on the screen means this function is activated but tank temperature doesn t rise up to its maximum temp
28. the right to put changes to product technical date or installation and operation instructions without prior notice As soon as it becomes evident that safe operation is no longer possible e g visible damage Please immediate take the device out of operation Note ensure that the device cannot be accidentally placed into operation 1 4 Important remark We have carefully checked the text and pictures of this manual and provided the best of our knowledge and ideas however inevitable errors maybe exist Please note that we can not guarantee that this manual is given in the integrity of image and text they are just Some examples and they apply only to our own system Incorrect incomplete and erroneous information and the resulting damage we do not take responsibility 1 5 Description of symbols Safety instruction A The safety instructions in the manual are marked with a warning triangle They indicate measures which can lead to personal injury and safety risks Operation steps small triangle is used to indicate operation step Notes Contains important information about operation or function 1 6 Description of operation button Operation manual of solar water controller SR208C 2 Installation Controller can only be installed indoors far away from dangerous place and away from the electromagnetic field Controller should be equipped with an additional plug which should have minimum 3mm distance between the pole o
29. thread 8X200mm SSS ee ae Operation manual of solar water controller SR208C Contactor unit of high power SR802 When user selects electrical heater as back up device we recommend using SR802 unit connecting controller and electrical heater Technical data of SR802 Dimension 100mmx100mmx65mm Power supply 180V 264V AC 50 60Hz Suitable power lt 4000W Available ambient temperature 10 50 C DW G XO CE Water proof grade IP43 Retry Losa 240 Vir 596D Hz 7 i tO 1 AVEDA 4 1 i t SVA ONLY TO BE INSTALLED BY SERVICE PERSONNEL SEE INSTALLATION INSTRUCTIONS BEFORE CONNECTING TO THE SUPPLY SR802 connection diagram LO Leakage of electricity switch D Tank Electrical heater Electrical heating output from solar controller A Note switch off power and perform by profession installer
30. tus access main menu DT O gt Press SET button to access settings program of DT O DT O 08 C displays on screen 08 C blinks the switch on temperature difference can be set gt Press A V button to adjust the value of switch on DT adjustable range OFF 2 C 20 C factory setting is 8 C mPress ESC button to exit this setting parameter is saved automatically Setup the switch off temperature difference Under standby status access main menu DT F gt Press SET button to access settings program of DT F DT F 04 C displays on screen 04 C blinks the switch off temperature difference can be set gt Press A V button to adjust the value of switch off DT adjustable range 0 C CON 2 C factory set is 4 C Operation manual of solar water controller SR208C gt Press ESC to exit menu or wait for 20 seconds to exit automatically the setup parameters are saved automatically 5 4 TEMP Temperature main menu For every system the factory set parameters are in the best condition that is fully integrated into the entire solar system But these parameters can also be set individually to cater the special requirements please carefully observe the operation data of system components after setting Note parameters that can be set depend on the selected system not all the parameters can be adjusted in a solar system Following submenu can be access though TEMP ma
31. used by production and material selection A correct installation will not lead to failure When a user takes incorrect handling way incorrect installation improper or crud handling wrong connection of sensor in system and incorrect operation the quality responsibility is invalid for them The warrantee expires within 24 months after the date of purchasing the controller Operation manual of solar water controller SR208C 9 Technical data a Technical Data Specification Appearance of controller 187mmx128mmx46mm Power supply 200V 240V AC 50 60Hz Accuracy of temperature 2 C measuring Range of collector temperature r 10 220 C measuring Range of tank temperature 0 110 C measuring 2 5 lt 500W 1 x Pt1000 sensor lt 500 C for collector silicon cables280 C Inputs 2 x NTC10K B3950 sensor lt 135 C for tank PVC cable lt 105 C 1 relays for circulation pumps power lt Outputs 600W 1 relay for electrical heater power lt 600W 10 50 C Operation manual of solar water controller SR208C 10 Delivery scope ee ee Controller Operation manual PT1000 sensor size 6 50mm cable length1 5m 11 Accessories Sensor for collector high accuracy PT1000 sensor A01 Parameter PT1000 6X50mm Sensor for tank high accuracy NTC 10K sensor A02 Parameter NTC10K B 3950 6X50mm oe Thermowell of sensor stainless thermowell A05 Parameter 1 2 male
32. ystem electrical heater can be installed as back up device when electrical heater is in operation status signal G blinks on screen lf customer use electrical heater as back up please according to the power of electrical heater to equip corresponding safety devices like contactor and breaker with this controller we strongly recommend equipping with SR802 device with this controller SR802 detailed technical data see paragraph 11 Accessories Operation manual of solar water controller SR208C 5 Function operation and parameter setup engineer grade 5 1 Access main menu Under standby status doing like following access main menu gt Press SET button PWD O000 displays on screen the left first digital blinks ask for entering password factory default set password is 0000 gt Press A V button to enter first digital of password gt Press SET button again the second digital blinks gt Press A Y button button to enter second digital of password gt Press SET button again the third digital blinks gt Press A V button to enter the third digital of password PmPress SET button again the fourth digital blinks gt Press A V button to enter the fourth digital of password gt Press SET button again to access main menu gt Press A V utton can select the main menu gt Press ESC button to exit main menu 5 2 Access submenu After selecting main menu do l

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