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Operating manual of Controller SR1128 For split

1. Press button tH 2F 10 00 displays on the screen to access the submenu of the switch off time and temperature for the second schedule of heating function 1 l af f Hd Press SET button again 10 of hour time blinks E on screen gt Press button to adjust hour of time Repress SET button again 00 of minute time blinks on screen Press button to adjust minute of time Repress SET button temperature 55 C blinks on screen Press button to set the switch off temperature of heating gt Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically aide SR1128 operation manual Press button tH 30 17 00 displays on the screen to access the submenu of the switch on time and temperature for the third schedule of heating function Press SET button again 17 of hour time blinks on screen att 17 5 t5 Press button to adjust hour of time Repress SET button again OO of minute time blinks on screen Press button to adjust minute of time Repress SET button temperature 50 C blinks on screen Press button to set the switch on temperature of heating gt Then press ESC to exit this submenu P Press button tH 3F 22 00 displays o
2. WE Lighted or VAN The maximum collector nv temperature EM has been blinks reached Solar circuit pump doesn t operate open circuit connected sensor replace all defective sensors and Error message displays or cabling on the screen 1 T Sensor fault short circuit or Check values of every n at d The solar pumps The pump symbol on the Holiday function or Frost No problem it is normal If operated despite the display blinks protection function or tank necessary to deactivate fact that the switch on re cooling function is the corresponding conditions are not activated functions satisfied O no function selected in All inputs and outputs are No fault on controller ac submenu used inputs and outputs can t be used doubly ne function can t be tivated 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 e e e e e e e e e e ee 33620 20174 12535 8037 5301 3588 2486 1759 1270 933 697 529 407 NTC 10K B 3950 resistance value 1000 1039 1077 1116 1155 1194 1232 1270 1309 1347 1385 1422 1460 9 Quality Guarantee Manufacturer provides following quality responsibilities to end users within the peri
3. When these two signals of EM blink on the screen it indicates collector e emergency close function is activated and at this moment temperature of tanks reaches to its maximum limited temperature AN When only this signal of EM blinks on the screen it indicates collector emergency close function is also activated but temperature of tank doesn t reach to its maximum limited temperature 5 3 3 CMX Maximum limited collector temperature collector cooling function Function description If hot water in tank isn t used for long time then the capacity that solar system absorbs solar irradiation reduces when tank temperature rises to its preset maximal temperature solar circuit pump is ceased compulsively even the temperature difference is satisfied then when more solar irradiation shines in as a result collector temperature will rise continuously temperature of collector maybe rise up to the evaporated temperature of heat fluid this phenomenon names collector overheat it should be avoided Through set the Maximum limited collector temperature collector cooling function it can delay the vaporization of the heat transfer fluid Shortly before reaching the maximum temperature of the collector the solar pump starts working to cool down the heat transfer fluid using the heat losses occurring in pipelines and storage cylinder When collector temperature rises up to its maximal temperature solar pump will be triggered again even at the case that
4. are for the best operation condition which 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 rely on the system design not all the parameters can be Following submenu can be access though TEMP main menu eos SR1128 operation manual Tem e Function Function of temperature Adjustable range um EMOF Collector maximum switch off temperature ON 3 C 200 C 130 130 581 EMON Collector maximum switch on temperature maximum switch on Collector maximum switch on temperature 80 C OF 3 C 120 C EE LIE limited collector temperature 70 C 190 C 410 C 107 C collector cooling function EE me om messen woe fo me meum X es 5 3 1 EMOF Collector maximum switch off temperature for collector emergency close function Function description When collector temperature rises up to this maximum switch off limited temperature EM collector emergency function is activated solar circulation pump is stopped in order to avoid the damage of system s other components caused by high temperature The adjustable range of EMOF temperature is CON 3 C 200 C factory set is 130 C If the temperature of collector rises up to EMOF limited temperature solar circuit pump is ceased but when collector temperatu
5. can be triggered automatically at preset schedule by preset temperature Within a preset schedule when the temperature T3 of top part of tank drops below the preset switching on temperature of this function back up heating H1 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 schedule back up heating function starts at 4 00 and ends at 5 00 am Within this time section default switch on temperature is 40 C default switch off temperature is 45 C The second schedule starts at 10 00 and ends also at 10 00 am it means no back up heating in this time The third schedule back up heating function starts at 17 00 and ends at 22 00 pm Within this time section default switch on temperature is 50 C default switch off temperature is clTe SR1128 operation manual Bou The switch on temperature adjustable range 10 C OFF 2 C The switch off temperature adjustable range ON 2 C 80 C If you want to shut off one timing heating then you can set the turning on time and turning off time with a 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 schedule back up heating doesn t work automatically even when the tank temperature drops to the switch on temperature of heating Note
6. is 2 C 95 C default set is 60 C Repress SET button to activate and deactivate this function if function deactivated SMX1 displays on the screen Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically NAP SR1128 operation manual SMX signal displays on screen it indicates that this function is in activated 5 4 PUMP circuit pump speed adjust set Description P1 output can be configured to function either as RPM controlled output or simple switch output When nMIN is set as 30 90 P1 output used as RPM output When nMIN is set as 100 it means P1 output used as switch output Normal switch output circuit pump speed control RPM is deactivated pump is operated with a fixed speed and flow rate is not changed RPM control output speed control is activated the control system attempts to maintain a constant temperature difference between collector and tank The pump performance is continuously adjusted based on the temperature difference flow rate of pump is increased or reduced Setup steps To access main menu PUMP PUMP displays on the screen press SET to access the menu then nMIN 100 displays on screen lut Y hi Press SET button parameter 100 blinks on the HEIN screen Press button to adjust pump speed adjustable range 30 100 factory set is 100 Press ESC button
7. tank temperature is already to its maximal temperature And solar pump works until the temperature of collector drops because of this reversed 18 SR1128 operation manual circulation or when tank temperature rises its emergency temperature 95 C MAC S When 9 displays and N 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 110 C blinks M Da C i button to adjust collector limited pe a 17 5 t5 Press maximum temperature adjust range 70 C 190 C Factory set is 110 C Press SET button to activate and deactivate this function if deactivate the function CMX displays on screen Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically LL A nv CMX signal displays on screen it indicates that collector cooling function is activated 5 3 4 CMN low temperature protection of collector Description When the actual temperature of collector is below the preset CMN temperature solar circuit pump is ceased even when the temperature difference between collector and storage exceeds switch on temperature difference solar pump doesn t work yet When the temperature of collector is 3 C higher than the preset CMN temperature so
8. to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 4 1 DTS Standard temperature difference for circulation pump 1 speed adjusting Description The preset default minimum pump speed in this controller is 30 When the switch on temperature difference ATON reaches solar pump is triggered and then within 10 seconds pump speed increases to its minimum speed 30 Thereafter controller checks temperature continuously when a standard temperature difference DTS reaches the speed of pump increases one grade 10 temperature difference RIS increases every 1 C speed of pump increases 109 until it reaches to its maximum speed 10096 Through setting the temperature difference increase rate RIS can achieve the controlling of pump speed If temperature difference drops to the switch off temperature difference AT OFF circuit pump is ceased Ko SR1128 operation manual Setup steps To access PUMP then select submenu DTS DTS 08 C displays on screen gt Press SET button parameter 08 C blinks on the Tr 4 wu 01 screen Me Press button to adjust the standard DTS adjustable range 2 C 30 C factory set is 08 C Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 4 2 RIS Gain for circulation pump 1 speed adjusting Setup steps To access menu PUM
9. Away O SSS WE Amigomarsobn Os spede feer Dwmaswemevd nmm No card in groove Memory lt 2G Memory gt 2G RTIME left time available for saving data in day us SR1128 operation manual FSYS Error on system files LOGG Possible to log UNIT ERN Celsius and Fahrenheit temperature switch REST me Recovery to factory set 3 6 System description Note storage temperature sensor T3 is optional sensor if this sensor is not installed on the upper part of the storage controller will adopt the temperature signal from sensor T2 installed on the bottom part of storage to control back up heater or circuit pump 1 collector array 1tank 1 circuit pump back up heater System description Controller compares the temperature between collector T1 and storage T2 bottom part if the temperature difference DT rises up to the preset switch on AT 1 or is over it circuit pump P1 is triggered and then storage is heated until DT drops to the switch off DT or when the storage temperature T3 rises up to its preset maximum temperature Then circuit pump P1 is ceased Back up heating see details at tHET timing heating menu With the preset heating time section if tank temperature T3 drops to the switch on temperature of heating then back up heat resource H1 is triggered automatically when tank temperature T3 rises up to the preset switch off temperature then output H1 is ceased T1 Temperature sensor on coll
10. ET button to activate this function then e OHQM ON appears on the screen m Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Thermal energy got in current day accumulative thermal energy and operation time of pump can be reset doing like following Operation steps under standby status 17 5 t5 Press button select the thermal energy of current day DKWH XX SET displays on the screen gt Press SET button for 3 seconds buzzer makes 3 times du the daily thermal energy is cleared and daily thermal energy is reset to 00 17 5t Press button select to check accumulative thermal energy KWH XX or MWH XX SET displays on the screen Press SET button for 3 seconds buzzer makes 3 times du the sum thermal energy is cleared and accumulative thermal energy is reset to OO gt Press button select the operation time of pump hP XX SET displays on the screen Press SET button for 3 seconds buzzer makes 3 times du the operation time of pump is cleared and it is reset to 00 Note Only when the thermal energy measuring function is activated operation time of circulation pump function just can be triggered 5 5 1 FMAX Flow rate FAMX Flow rate L min adjustable range 0 1 20 L min increase rate 0 1L per button press factory set is 2 0L m
11. P then select submenu HIS RIS 01 C displays on screen r TU 1 c gt Press SET button parameter 01 C blinks on the i screen Press button to adjust standard RIS adjustable range 1 C 20 C factory set is 1 C Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 5 OHQM Thermal energy measuring Description Controller has function for measuring the thermal energy it can measure the energy which is transferred from collector to tank For the sake of measuring the temperature on flow and return pipe should be checked and an extra flow meter should be installed on the circulation pipe it is used for measuring the flow rate The thermal energy transferred by solar system is calculated with measured parameters flow rate and temperature TO installed on the return pipe Thermal energy got in the current day displays in DkWh accumulative thermal energy displays in kWh or MWh The amount of 2 values is the total energy output Note when TO input is used for example used in east west collector OHQM thermal energy measuring function will be deactivated Factory set of OHQM is off Setup steps To select menu OHQM OHQM displays on the i screen gt Press SET button parameter OHQM OFF appears on the screen Nc SR1128 operation manual Press SET button parameter OFF blinks on the screen Repress S
12. R1 ports are always open Note Depending on the solar system selection pump and sensors should be connected to the controller are different all wires should be installed in protection pipe 3 4 Menu structure TIME THET gt 4 Main menu SET y y SET SET SET SET SET SET SET x 9s x Re FSYS CFR REC Submenu SMX1 Submenu Through submenu user can set the parameter as desired value please check it carefully m SR1128 operation manual 3 5 Menu description Menu Description Main menu Submenu or For sette operation temperature difference meme _ Forsetconelative temperatures mor The maximum swich off temperature of collector JENON The maximum switch on temperature of color MENE ull Collector cooling function Fe Low temperature protection of colector OR Frostprotectonof colector Rec Tareoiofmdon O SMXi Maximum temperature oftankt PUMP Forsetihe speed parameters of cirout pump nn Speed ast of circuit pump RPM conto CJ er for speed adjust of circuit E NENNEN dabis circuit pump OHQM me For thermal energy measuring nm MEDT Type of heat transfer liquid MED Concentration of heat transfer liquid mo For timing function feraR swicrontmeofimng unten fen swcmottimeotimmgtuneien RN Pumpintenatrinonsine ST Pewmewineohime 000 FUN
13. Science and Technology Create Perfection Installation and Operating Manual 8R1128 SOLAR CONTROLLER For Split Pressurized Hot Water System SR1128 Read the instruction carefully please before operation SR1128 operation manual Content IN SU eso METTE T m 9 1 1 Installation and commissioning EEE 3 Toe UTEN 3 Bex Niall Anu c 3 1 4 IMportant FOI AIK OE EEE ak usq ER iaoiai 4 LoDE SCIPIONO Sy FO NS eT ee E seen dene ed ear eee tees oon eesete 4 NOU U M eee 4 2 1 Introduction of Controller usus coo teo cet nr ironia b cena ehm nba i ete Sunt SO ned stud utn nb vitae iosuada 4 Zu PETN a NN E 5 20 Ge 112 EE EEE OE 5 eMail NET m 6 TENNE ed 6 SEN Arange EE E 6 VINEN een 7 ANTE 8 JMN 9 3 6 SVSTOMINOSS CIID NOM EEE 10 1 collector array 1tank 1 circuit pump back up heater sss 10 4 Function operation and parameter setup user grade ssseeeesssssse 11 4 1 Set De EEE 11 4 2 tHET Timing Heating usacimiczicdicncks peut klnxtue tias eer uem tinae Desa acdte cms obsit tos eei 11 5 Function operation and parameter setup engineer grade 15 5 1 Access MAIN NCI NEM T 15 5 2 DT Temperature difference ccccecccseccceeeceeeceueccucecauecsueeseuecuecsueeseeeseuesseeenaees 15 99 TEMP TN 16 5 3 1 EMOF Collector maximum switch off temperature for collect
14. button the fourth digital blinks 17 37 66 97 Press T J 1 button to enter the fourth digital Press SET button PWDN 0000 displays on the screen ask for entering a new password doing like rir IN above to enter the new password Press SET button PWDG 0000 displays on the screen ask for reentering the new password doing like above to reenter the new password PWOK 0 SR1128 operation manual displays on the screen to indicate reentering password successfully Press ESC button to exit set program or wait for 20 seconds to exit automatically A Warning If the password is forgot it is not possible to recover but you can recover the password to factory set then you can reedit a password like above descript steps doing like following to recover to factory set gt Switch off the power of controller firstly Press SET and hold it down then reconnect the power supply Buzzer makes du 3 times then release SET button Controller recovers to factory set factory set possword is 0000 a new password can be reset now 6 Button function 6 1 Holiday function Description This function activates in night solar liquid will flow from storage tank to collector to cool the tank and therefore to prevent overheating problem of the solar system due to completely heated storage tank The function is activated at night between 10 pm and 6 am when the tempe
15. ch on temperature of heating gt Then press ESC to exit this submenu mx s SR1128 operation manual Press button tH 1F 05 00 displays on the screen to access the submenu of the switch off time and temperature for the first schedule of heating function Press SET button again 05 of hour time blinks on screen 17 5 t5 Press button to adjust hour of time Repress SET button again 00 of minute time blinks on screen Press button to adjust minute of time Repress SET button temperature 45 C blinks on screen Press button to set the switch off temperature of heating gt Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically Press button tH 20 10 00 displays on the screen to access the submenu of the switch on time and temperature for the second a ua schedule of heating function KER amt ant aa Press SET button again 10 of hour time blinks on screen 17 5 t5 Press button to adjust hour of time Repress SET button again 00 of minute time blinks on screen Press button to adjust minute of time Repress SET button temperature 50 C blinks on screen Press button to set the switch on temperature of heating gt Then press ESC to exit this submenu
16. 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 controller is 24 hours model when you set schedule 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 section heating function doesn t 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 gt Press SET button tHET displays on the screen gt Repress SET button to access tHET program t HL menu SET Repress SET button again to set parameters of HET tH 10 04 00 displays on the screen 04 of hour time blinks on screen the switch on time and temperature for the first schedule of heating function ELI L NATT Lil ILI t the can be set gt Press button to adjust hour of time Repress SET button again 00 of minute time blinks on screen gt Press button to adjust minute of time t 1 i d i Repress SET button temperature 40 C blinks on screen Press button to set the swit
17. ector oe T2 Temperature sensor on the bottom 3 P1 H1 Input Ports part of tank T3 Temperature sensor on the top part of tank optional T4 Sensor for thermal energy measuring function installed on the flow pipe to collector not included within delivery scope P1 Solar circuit pump H1 Back up heater TE LETS SR1128 operation manual 4 Function operation and parameter setup user grade 4 1 Set time week Press SET button TIME displays on the screen Repress SET button hour selection area 00 blinks on the display screen Press button to set hour of clock T TT gt Press SET button again minute area 00 blinks PA VIL Ut rg n Press TORY i t button to set minute of clock pes Press SET again week area MO blinks 17 5t Press button to set week Press SET again DAY MONTH YEAR area Year blinks 17 5t Press Press SET again Month blinks Press Press SET again DAY blinks button to set year button to set month 17 5 66 97 Press button to set day Press ESC button to exit set program or wait for 20 seconds to exit program automatically The set parameter values of time and week are saved automatically 4 2 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
18. exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically A Note if SD card is used card signal will appears on the screen if SD card is full D SR1128 operation manual then data log is stopped and 5 card signal blinks LOGI Data save interval in minutes LOGG LOG is possible WRITR Card written protection 5 9 UNIT Display unit C and F switches Setup steps To select menu UNIT UNIT displays on the screen L li gt Press SET button to access program UNIT C appears and C blinks 17 5 66 37 gt Press button to switch unit between C and F factory set is C T Press ESC button to exit the menu or wait for 20 Lt seconds to exit automatically parameters are saved automatically 5 10 HND Manual control When using this controller first time or when debugging this controller output of this controller P1 H1 can be triggered manually with On OFF control Setup steps To access main menu HND Press SET button HND1 off displays on the screen P1 output manually set gt Repress SET button HND1 on displays on the LINE HEL Iii KUNN g is screen P1 output is switched on SET gt Repress SET again HND1 off displays P1 output is switched off Press ESC to exit P1 setup gt Press button HND2 off displays on the screen vn nmc
19. hat 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 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 T SR1128 operation manual 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 cannot 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 P is used to indicate operation step Notes Contains important information about operation or function 2 Overview 2 1 Introduction of controller e LCD d
20. ifications 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 e Connecting and or all operations that require opening the regulator e g changing the fuse are only 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 it should be sure to observe the appropriate installation instructions provided by each manufacturer Only trained professional personnel may 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 person This is the reason why we do not take over responsibility and liability for losses damages or cost that might arise due to improper installation operation or wrong utilization and maintenance or t
21. in Setup steps To select submenu FMAX FMAX 2 0 displays on the screen Press SET button parameter 2 0 blinks on the rriv Screen FATTA LXI 17 5 t5 Press button to adjust parameter of flow rate adjustable range 0 1 20 Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Ne SR1128 operation manual 5 5 2 MEDT Type of heat transfer liquid MEDT type of heat transfer liquid adjustable range 00 03 factory set 01 Type of heat transfer liquid ME IT V Y 00 Water FIL D NE 01 Propylene glycol 02 Glycol 03 Tyfocor LS G LS Setup steps To select submenu MEDT MEDT 01 displays on screen Press SET button parameter 01 blinks on the screen 17 5t Press button to adjust type of heat transfer liquid adjustable range 00 03 Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 5 3 MED Concentration of heat transfer liquid MED Concentration of heat transfer liquid volume percentage 96 depending on the type of heat transfer liquid adjustable range 20 70 factory set 40 Setup steps To select submenu MED MED 40 displays on screen Press SET button parameter 40 blinks on the MI nn IL AAT screen ba JJ Y 17 5 t5 Press button to adjust c
22. ion In case power failure occurs controller keeps the parameter settings unchanged 7 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 3 pump idling protection Pump station monitors that no flow is in the circuit pipe within 3 minutes then system pump is ceased P1 blinks on the screen through this function pump is prevented from damaging caused by pump idling reasons for no flow leakage problem in the system circuit pipe block occuring on the blade of digital flow counter e Switch off the power supplier of controller to exit circuit pump protection function recovery P1to standby status Nc SR1128 operation manual 8 Trouble shooting 8 1 Trouble protection a 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 ZN show on the display If controller does not work correctly please check following points Press button to check error code AN signal displays on the LCD screen Sensor wiring short Check resistance value or T1 sensor problem p or open replace Sensor wiring short Check resistance value or T2 sensor problem P or open replace Sensor wiring short Check resis
23. isplay e 4 sensor inputs e 1 relay output e 1 PWM output for speed control of pump e Data saved on SD card Picture 1 2 3 e RS485 remote control Picture 4 e Timing and temperature set point control function e Energy saved on off operation model sas a OpenFie QBekCoer From 2010 1247 Tampershee Flow Speed Speed Powerlkwh Powerline Total 7 5 n To Select Objects v T T3 0 0830 09 00 0930 10 00 1030 1100 11 30 1200 1230 13 00 1330 1400 1430 15 00 1530 16 00 1630 17 00 1730 18 00 ED 0990 0930 1000 10 30 1100 1130 1200 1230 13 00 1330 1400 1430 1500 1530 1600 1630 1700 1730 1800 Chat Deta List Picture 1 Picture 2 zd SR1128 operation manual Administrator Ln pw mes PE SR1128 USB to RS485 Converter Terminal Picture 3 Picture 4 2 2 Scope of delivery e 1 x controller e 1 x user manual e 2xscrew and dowel e 1xPT1000 sensor 96 50mm length of cable 1 5 meter e 2xNTC1OK q6 50mm length of cable 3 meter e 1 x bag of strain relief 2 3 Technical data o Material of cases ABS e Available ambient temperature 0 40 C e Dimensions 188 x 138 x 43 mm e Mounting on wall or in the electrical cases e Operation button 6 operation buttons on panel e Functions controller used in solar hot water system and solar heating system has functions like temperature difference control thermal energy measuring accumulated running time of solar circuit pu
24. lar circuit pump is standby to work controller exits this program Setup steps To access main menu TEMP then select submenu CMX CMN displays on screen default set is OFF I NAN I JE Press SET button default off signal blinks on L 1 UN screen Repress SET button to activate and deactivate this function 17 37 97 Press 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 Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 219 SR1128 operation manual CMN signal displays on screen it indicates that this function is activated 5 3 5 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 to transfer hot water from tank to collector and to heat collector by this reversed circuit And when tank temperature T2 drops to 6 C electrical heater is triggered automatically and it keeps running until tank temperature T2 raises up to 21 C or it is stopped when program of CFR is exited When collector temperature rises up to 7 C solar circuit pump is ceased program of CFR exits automatically This function is used in system which uses water as heat transfer liquid to avoid the f
25. mp collector interval function thermostator storage layer heated priority logic back up heating heat transferring Anti Legionella function PWM pump speed etc e Communication port SD card groove e Power supply 100 240V 50 60 Hz e Power consumption lt 1W e Accuracy of temperature measuring 2 C e Range of collector temperature measuring 10 200 C e Range of tank or pipe temperature measuring 0 110 C e Inputs 1 x Pt1000 sensor x500 C for collector silicon cables280 C 3 xNTC10K B3950 sensor lt 135 C for tank PVC cable lt 105 C 5 SR1128 operation manual 1 x RS485 remote control connection e Outputs 1 PWM output x200W 1 relay output each available power lt 300W e Ambient temperature 10 50 C e Water proof grade IP40 Note SD card isn t included within the delivery scope of controller 3 Installation Controller can only be installed indoors far away from dangerous place and away from the electromagnetic field 3 1 Installing controller Note the controller can only be mounted in an area having an adequate level of protection gt Determine the mounting site of controller Drill the upper fixing hole on the wall Fasten a screw gt Move the terminal cover Hang the base plate on the position CO showed in picture Mark the position of 2 bottom holes 2 Remove the base plate Drill the bottom fixing hole Re hang the base plate on sc
26. n the t LLI screen to access the submenu of the switch off time and temperature for the third schedule of heating function Press SET button again 22 of hour time blinks on screen 17 5 t5 Press button to adjust hour of time Repress SET button again 00 of minute time blinks on screen Press button to adjust minute of time gt Repress SET button temperature 55 C blinks on screen Press button to set the switch off temperature of heating Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically Note when no gas or oil boiler is connected to solar system electrical heater can be installed as back up device when electrical heater is in operation status signal t blinks on screen and LED light is on Application sample sd SR1128 operation manual If customer uses 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 spare parts 5 Function operation and parameter setup engineer grade 5 1 Access main menu Under standby doing like following to access main menu Press SET button then press button 3 times and wait fo
27. od of quality responsibilities manufacturer will exclude the failure caused 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 35 SR1128 operation manual 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 10 Accessories A01 sensor for PT1000 6 50mm collector A02 sensor for tank NTC10K B 3950 6 50 and pipe A05 stainless steel Parameter 1 2 OT 48 200 thermowell USB to RS485 Converter Digital flow meter 1 20L min SR802 unit for high pow Dimension 100mmx100mmx65 mm Power supply AC180V 264V 50 60Hz Suitable power lt 4000W Available ambient temperature 10 50 C Waterproof grade IP43 ue SR1128 operation manual SR802 connection diagram EK 3 Leakage of electricity switch Tank Electrical heater Electrical heating output from solar controller Note switch off power and perform by profession installer 3 m
28. off DT of 8 C and 4 C are standard system setting according to many A S SR1128 operation manual years experience only in special application cases it needs to be changed e g far distance heat transferring normally we recommend using 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 2 C Setup temperature difference Under standby following steps descript in paragraph 6 1 to access main menu DT Press SET button to access settings program of main menu DT DT 10 08 C displays on screen 08 C blinks the first switch on temperature difference can be set L i 17 5 66 J Press button to adjust the value of switch on DT adjustable range OFF 2 C 20 C factory setting is 8 C gt Press ESC button to exit this setting parameter is saved automatically Press button DT 1F 04 C displays on screen nr uM the first switch off temperature difference can be set i gt Press SET button 04 C blinks Press DT adjustable range 0 C ON 2 C factory set is 4 je button to adjust the value of switch off MINO LUCI 1 Press ESC to exit menu or wait for 20 seconds to exit automatically the setup parameters are saved automatically 5 3 TEMP Temperature For solar system the factory set parameters
29. oncentration adjustable range 20 70 Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Note When MEDT is set as 00 or 03 then its MED concentration doesn t appear 5 6 INTV Pump interval function Description This function is useful when collector sensor isn t installed on collector sensor installed on the outlet pipe of collector In order to measure the actual temperature of collector when circuit pump is in standby every 30 minutes this parameter is set at ISTP menu solar pump is triggered to run for 15 seconds this is set at the IRUN menu so that the hot water inside the collector can flow into the pipe where sensor is mounted as the result the actual temperature of collector is measured It is unnecessary to activate this function in all time you can use it within a preset time section default set time is 07 00 18 00 this time can set 25 SR1128 operation manual at ISTAR and IEND submenu Setup steps yy To select submenu INTV INTV displays on the Th ES qf screen Press SET button to access menu INTV OFF displays Repress SET button parameter OFF blinks factory set is OFF F Tr i LL Press SET button to activate this function then INTV ON displays on the screen Press ESC button to exit the menu or wait for 20 seconds to e
30. operation manual gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 8 OSDC SD card data save function Description Put the SD card in the groove data is logged immediately Then under menu of the OSDC card OSDC ON displays automatically it means data is logging the interval of data log can be set If card is full then data logging is stopped and CFULL displays on the screen 5 8 1 OSDC Card function switch on and off Setup steps To select menu OSDC OSDC displays on the screen frit C w t us m Press SET button OSDC OFF appears in this LJ 4 uL a EE case data isn t saved Repress SET button OFF blinks on the screen factory default set OFF Repress SET button again to activate this function 1 E w and OSDC ON displays on the screen start to save LILJA ca Ht data now Press SET button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 8 2 LOGI Data save intervals Description By this function SD card can save data in every 60 seconds factory default time 60 seconds T Setup steps ku hd To select menu LOGI LOGI 60 displays on the screen Press SET button to access program LOGI 60 appears and 60 blinks 17 5 t5 Press button to adjust data save interval adjustable range 01 1200 seconds Press ESC button to
31. or emergency close Eg 10 EEE I S EEA OES eet I 5 3 2 EMON Collector maximum switch on temperature for collector emergency close PUIG TOM 7 18 5 3 3 CMX Maximum limited collector temperature collector cooling function 18 5 3 4 CMN low temperature protection of collector eeeseeseeeseeesese 19 59 0 CFR r st protection of ee e o NN NE 20 5 3 6 REC Storage re cooling function rrrarrrrrnrrrrarrrranrrvanerranrnranrnrnnnennnnennnnennansnnnn 20 5 3 7 Maximum temperature of tank EE PE 21 5 4 PUMP circuit pump speed adjust set vasene Gees 22 5 4 1 DTS Standard temperature difference for circulation pump 1 speed adjusting 22 5 4 2 RIS Gain for circulation pump 1 speed adjusting 23 SR1128 operation manual 5 5 OHQM Thermal energy measuring ccccsecccceecccceeececeeeceseeeceeseeeeesseeeeseeeeeeeeeeeeas 23 Dol FMAX NNN 24 5 5 2 MEDI Type of heat transfer liquid eee de 25 5 5 3 MED Concentration of heat transfer liquid eeeeseeeseeeeeeeees 25 5 6 INTV Pump NEA 25 5 6 1 ISTAR Turn on time set for pump interval running function 26 5 6 2 IEND Turn off time set for pump interval running function 26 5600 ed Muelle MONETE TT 26 5 6 4 IRUN Pump running UME asus eus atas nirenaiasudo
32. perature drops below its maximum temperature Setup steps To access main menu TEMP then select submenu REC REC OFF displays on screen default set is off 1 nire Press SET button parameter OFF blinks on ECL m screen Repress SET button to activate or deactivate this function after function activated factory set is REC ON Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Mu Vi HEC signal displays on screen it indicates that this function is activated TT Hiv 5 3 7 Maximum temperature of tank 1 Description When the DT between collector T1 and tank 1 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 the top part of tank is higher than the maximum temperature of tank when T3 is higher than the preset maximum tank temperature SMX solar pump is ceased even at the case that DT caters condition When tank temperature drops and is 2 C below the SMX temperature solar pump restarts when DT caters condition Setup steps To access main menu TEMP then select submenu SMX1 SMX1 60 C displays on screen SEES F nav I KEYS Press SET button parameter 60 C blinks JIN I it Press button to adjust the value of maximum temperature of tank1 adjustable range
33. r PWD 0000 appears on the screen then repress SET button the left first r ry nu digital blinks ask for entering password factory WN Hu default set password is 0000 Press button to enter first digital of password Repress SET button the second digital blinks P Repress Repeat press SET button the third digital blinks 5 t 37 button to enter second digital of password Repress Repeat press SET button the forth digital blinks 5t button to enter third digital of password Repress button to enter forth digital of password gt Repress SET button to access the main menu Press button select any menu you wanted Press ESC button you can exit main menu Note default factory set password is 0000 if you don t set new password just press SET four times then you can access main menu interface 5 2 DT Temperature difference Description Solar circuit pump P1 is triggered by the temperature difference function so long as the temperature difference between collector and storage 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 on the bottom part of storage 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
34. r FM M ut LIE e P2 output manually set c Press SET button HND2 on displays on the 202 SR1128 operation manual screen H1 output is switched on gt Repress SET again HND2 off displays H1 output is switched off gt Press ESC to exit H1 setup Note when manual mode is activated i signal displays on the screen after 15 minutes all outputs are switched off controller exits manual mode automatically 5 11 REST Recovery to factory set Setup steps To access main menu REST Press SET button YES displays on the screen vr Hold down SET button buzzer makes du 3 Vt J SET times then release SET button and wait for display recovery to initial interface that means controller recovers to factory set new paramiers can be reset now Press ESC button to exit set program or wait for 20 seconds to exit automatically 5 12 Password set Setup steps To access main menu PASS Press SET button PWDC 0000 appears the left digital blinks ask for entering current password factory set is 0000 gt Press Repress SET button the second digital blinks 17 5 t5 Press button to enter the first digital FVN button to enter the second digital Repress SET button the third digital blinks 17 5 t5 Press ee mn P button to enter the third digital Repress SET
35. rature of collector is 8 C below the storage tank temperature T2 solar circuit pump starts to work until the temperature of collector is 2 C below the tank temperature and then solar circuit pump is ceased Activate this function if e You intend to be absent for an extended period holiday e No hot water is required for an extended period Note The function is deactivated when the temperature on bottom of tank is below 35 C Activate deactivate this function Press button for a long time until the signal of holiday function displays on the screen and then holiday function is activated Repress B button signal disappears holiday function is deactivated Note This function is only activated when you are not at home for long time when you come back please make sure to deactivate it ul SR1128 operation manual 6 2 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 temperature of top part tank T3 is 3 C below the preset switch on temperature back up heating will be triggered When the temperature on the top part tank T3 rises up to the preset temperature then heating is ceased Conditions for triggering manual heating function the preset switch on temperature of this function should be 3 C higher than tank temperature Activate deactivate the function gt Press Heating button
36. re drops to the collector maximum switch on temperature EMON factory setis 120 C solar circuit pump will be reset and collector emergency close function is deactivated Setup steps To access main menu TEMP then select submenu EMOF EMOF 130 C displays on the screen D MID C Lt IL AI att Press SET button parameter 130 C blinks Press button to adjust this maximum switch off temperature adjust range ON 3 C 200 C factory set is 130 C gt Repress SET button to activate and deactivate this function if deactivate the function EMOF displays on the screen Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically SR1128 operation manual 5 3 2 EMON Collector maximum switch on temperature for collector emergency close function Setup steps To access main menu TEMP then select submenu EMON EMO 120 C displays on screen E li gt Press SET button parameter 120 C blinks 17 5 t5 Press button to adjust this maximum switch on temperature adjust range 80 C OF 3 C factory set is 120 C Repress SET button to activate and deactivate this function if deactivate the function EMON displays on screen Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically AN
37. reezing of solar heat transfer fluid Setup steps To access main menu TEMP then select submenu CFR CFR displays on screen default set is off 3 gt Press SET button default off blinks I J j m SET Repress SET button to activate or deactivate this function Press button to adjust the temperature of frost protection function adjustable range is 10 C 10 C after function activated default set is 4 C Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 3x CFR signal displays on screen it indicates that this function is 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 temperature is near to 0 C only for a few days If safety requirement is very high then anti freezing is necessary we suggest using suitable anti freezing liquid to avoid frost problem 5 3 6 REC Storage re cooling function Description If storage temperature rises up to its maximum temperature and at the same time collector temperature is 5 C lower than storage temperature then solar pump can be triggered aD SR1128 operation manual through this reversed circulation storage temperature is reduced by heat loss occurs in collector solar pump keeps in working until storage tem
38. rew D gt Fasted screw on and fix base plate 3 2 Wire arrangement Depending on the type of installation the cables may enter the controller through the rear hole of the case A or the lower side hole of the case B Cable comes from the rear hole A Remove the plastic flaps from the rear side of the case using an appropriate tool Cable comes from the below hole B Cut the left and right plastic flaps using an appropriate tool e g knife and break them out of the case Notes the flexible wire must be fastened on the case using the clamps C provided ns SR1128 operation manual 3 3 Wire connection Before opening the terminal please be sure to switch off the power and pay A attention to the local electricity supply rules Input ports LJ A LL LL A B 11 2 TS T4 VBus 485 Input Ports Inputs T1 For PT1000 temperature sensor used for measuring the temperature of collector and measuring the produced thermal energy Inputs T2 T4 for NTC10K B 3950 temperature sensor used for measuring the temperature of storage or pipe VBus 485 for RS485 remote control connection Advice regarding the installation of temperature sensors Only original factory enclosed 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 2809C not neces
39. s factory set is 15 seconds 17 7 amp 97 Press button to adjust time adjustable T 7 n range 5 120 seconds Tru mg E Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 7 FUN Auxiliary function The auxiliary functions of this controller can be set under FUN menu it is possible to activate several auxiliary functions at the same time 5 7 1 DVWG Anti legionnaires function Description In order to avoid occurring bacteria in water tank when the temperature of tank is lower for a long time controller will check the temperature of tank every 7 days in a period automatically if the temperature of tank is never over 70 C during this period then at the factory default time of 01 00 on Sunday of the period auxiliary heating system is triggered automatically to heat water until it rises up to 70 C this is factory default set impossible to reset bacteria is killed by high temperature thereafter function is deactivated Setup steps To select submenu DVWG DVWG displays on Ki hl VE screen Default set is Press SET button parameter blinks on the screen Repress SET button function is triggered And then p od _ E 70 C blinks on the screen A 17 5t Press button to adjust this temperature adjustable range is 5 95 C ee SR1128
40. sad vba nx Cope oS asistida ex impu a aevi ius aima 27 FN TN NN 27 5 7 1 DVWG Anti legionnaires function sosseiesxentauccoe iussimus SubEL xq IPs Ses asat dux aset 27 5 8 OSDG SD card data save TUlellOEi uusueeiesusesb cet aetse nS ba deba bocas se SE dboutetindesentiadedeatecsas 28 5 8 1 OSDC Card function switch on and eee 28 5 8 2 LOGI Data sav intervals EEE 28 5 9 UNIT Display unit C and F switches rrrrrrrrrrrrrrrrrrrrrrrrrrrrrnnnrrrrrrrrvvnrvvnenensesssennn 29 SIAN NTN 29 5 11 RESIT Recovery t factory NN 30 TRA E EEE SOL EEE E E E Eddp 30 PN 31 HI FIA NNN 31 6 2 EGEN 32 6 3 Temperature query function ccccceccceecceeeeceecceeceueccucecueceueceuseseeeseueeseeessuseness 32 aeree m m IT 33 Toda Memory 00 gt ee EE 33 7 2 Screen protection JE EE oo EP ONG EN 33 Fe 0 01 EEE Air nErinn 34 8 1 Trouble OS epo MN 34 S MOUDE CIEC KIO e OT 34 OVE RUAN A EE SE 35 10 Accessories MNR 36 uu SR1128 operation manual 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 spec
41. sary to distinguish the positive and negative polarity of the sensor connection Only original factory enclosed NTC10K B23950 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 effects must not be laid close to 230 volt or 400 volt cables minimum separation of 100mm gt If 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 gt Sensor cables may be extended to a maximum length of ca 100 meter when cable s 2 length is up to 50m and then 0 75mm cable should be used When cable s length is 2 up to 100m and then 1 5mm cable should be used NS SR1128 operation manual Output ports Output ports LJ EL eu P1 H1 Input Ports Input Ports Input ports L N is power connection terminal please connect correctly is Ground line terminal Output P1 Semiconductor relay SCR relay for solar circuit pump also suitable for RPM speed control Max Switching current 1A Output H1 for by pass circuit pump or valve electromagnetic relay max switching current 3 5A
42. tance value or or open replace T4 sensor problem Connect T4 Sensor deactivate functions OHQM OHQM function is T4 Sensor not activated connected 8 2 Trouble checking The controller is a qualified product which is conceived for years of continuous trouble free operation If a problem occurs the most of causes is from the peripheral components but no relation with controller itself The following description of some well known problems should help the installer and operator to isolate the problem so that the system can be put 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 E SR1128 operation manual Controller does not Display shows nothing Controller power supply is Check the controller power appear any functions at no display illumination interrupted or program is out cable and fuse all of work The solar pump doesn t The pump symbol on the Pump power supply is Check the pump power operate despite the fact display blinks interrupted cable that switch on conditions are satisfied The pump symbol in the The maximum storage tank No fault display doesn t blink temperature SMX1 has been Mu reached
43. temperature 60 C blinks on the screen 17 5 t5 gt Press button to adjust switch on temperature adjustable range 10 C 80 C factory set is 60 C After 20 seconds this function is activated signal hy displays on the screen and heating signal blinks also 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 redo according to above steps 6 3 Temperature query function Under standby status 17 5 t5 Press button you can check the value of temperature sensors T1 T4 pump speed n96 accumulative operation time of circuit pump Hp daily thermal energy DKWH accumulative thermal energy KWH or MWH time and date When checking temperature T1 T4 displays one by one corresponding sensor signal 9 blinks TST means the temperature of tank 1 Press ESC button TST tank temperature displays Note e Value of accumulative operation time of circuit pump hp Daily thermal energy DKWH and accumulative thermal energy KWH or MWH can only be checked after triggering of OHQM thermal energy measuring function x SR1128 operation manual 7 Protection function 7 1 Memory protect
44. xit automatically parameters are saved automatically 5 6 1 ISTAR Turn on time set for pump interval running function Setup steps To select submenu ISTAR ISTAR 07 00 displays on the screen Press SET button parameter 07 00 blinks TE TEIT Cnm Press button to adjust turn on time HJT FL Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 6 2 IEND Turn off time set for pump interval running function Setup steps To select submenu IEND IEND 18 00 displays on the screen Press SET button parameter 18 00 blinks TUN uan gt Press button to adjust turn off time ALIN hl Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 6 3 ISTP Pump interval time Tr Yr u Setup steps oe M z wI To select submenu ISTP ISTP 30 displays on the screen Press SET button parameter 30 blinks factory DO SR1128 operation manual set is 30 minute 17 5t Press button to adjust time adjustable range 2 60 minutes Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 5 6 4 IRUN Pump running time Setup steps To select submenu IRUN IRUN 15 displays on the screen Press SET button parameter 15 displays and blink

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