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Operating manual of Controller SR1168 For split pressurized solar

1. button to adjust tank priority adjustable range 00 02 Su1 Su2 factory set is 01 l dp gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 6 1 tRUN Interval heating timer Description Interval switch off time TSTP Interval heating time TRUN the temperature rising of collector are three important parameters for priority logic Controller monitors whether the temperature difference between collector and tank caters the switch on temperature difference if DT for the priority tank isn t enough then controller checks the next tank if DT for the next tank caters the condition then it is heated but the heating duration is controlled namely by the interval heating time TRUN TRUN time runs out and then heating is broken off Then control process is shifted to interval switch off time TSTP Within this TSTP time collector is heated by sun and controller keeps on checking temperature of collector if DT of the priority tank is still not enough then controller continues to heat the next tank If the priority tank DT caters the switch on condition then the priority tank is heated Interval heating is no more available Setup steps To select submenu tRUN tRUN 15 displays on screen TE gt Press SET button parameter 15 blinks on the LI LJIN rad screen gt Press button to adjust heating time adjustable range 0
2. TO SR1168 operation manual PT1000 resistance value s Iw sTs s s s 5s 33620 20174 12535 8037 5301 3588 2486 1759 1270 529 NTC 10K Bz3950 resistance value 10 Quality Guarantee Manufacturer provides following quality responsibilities to end users within the period 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 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 11 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 8 200 thermowell SR802 unit for high Dimension 100mmx100mmx65mm power electrical heater Power supply AC180V 264V 50 60Hz Suitable power lt 4000W Available ambient temperature 10 50 C Waterproof grade IP43 71 120 407 SR1168 operation manual SR802 connection diagram Kk Tank Electrical heater A Leakage of electricity switch Electrical heating output from solar controller Note switch off power and perform by profession installer T2
3. button to adjust switch on temperature adjustable range 10 C 80 C factory After 20 seconds this function is activated signal h displays on the screen and heating signal t 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 67 SR1168 operation manual redo according to above steps 7 3 Temperature query function Under standby status gt Press button you can check the value of temperature sensors TO T6 pump speed n accumulative operation time of circuit pump Hp daily thermal energy DKWH accumulative thermal energy KWH or MWH time and date When checking temperature TO T6 displays one by one corresponding sensor signal A blinks TST means the temperature of tank 1 gt Press ESC button TST tank 1 temperature displays Note e Since the difference of selected system the values you can check are different e Daily thermal energy DKWH and accumulative thermal energy KWH or MWH can only be checked after triggering of OHQM thermal energy measuring function 8 Protection function 8 1 Memory protection In case power failure occurs controller keeps the parameter
4. ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 10 MIN1 Minimum switch on temperature for heat transferring between tank and heating loop Setup steps To access main menu TEMP then select submenu MIN1 MIN1 30 C displays on screen gt Press SET button parameter 30 C blinks MATAI I LIN i ea x s CH gt Press button to adjust the value of maximum switch off temperature adjustable range is 10 C MAX1 2 C default set is 30 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 11 MAX2 Maximum switch off temperature for heat transferring between tank and heat exchanger Function description of heat heat exchanger take system SCH3 as example In the case that collector T1 heat exchanger T4 and tank T2 all caters the switch on DT conditions when T4 is between the minimum switch on temperature and the maximum switch off temperature MIN2 lt T4 lt MAX2 then P1 P2 triggers at the same time when T4 is higher than the maximum switch off temperature T4 gt MAX2 P1 is ceased when T4 is less than the minimum switch on temperature T4 lt MIN2 P2 is ceased When collector T1 heat exchanger T4 and tank 2 caters the switch off DT conditions then the corresponding pump P1 P2 is ceased 42 SR1168 operation manual Se
5. Press temperature adjust range 70 C 190 C Factory set is 110 C gt Press SET button to activate and deactivate this function if deactivate the function CMX displays on screen gt Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically M kb ki CMX signal displays on screen it indicates that collector cooling function is activated 6 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 solar 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 V Mh f gt Press SET button default off signal blinks on LL II screen gt Repress SET button to activate and deactivate this function 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 P Press ESC button to exit the menu or wait for 20 seconds to exit automatic
6. SET button PWDN 0000 displays on the F1 uUmr mmr I OUT Lita screen ask for entering a new password doing like above to enter the new password gt Press SET button PWDG 0000 displays on the screen ask for reentering the new password doing like r3 1 above to reenter the new password PWOK displays on SET the screen to indicate reentering password successfully gt Press ESC button to exit set program or wait for 20 seconds to exit automatically AN the password to factory set then you can reedit a password like above descript steps doing Warning If the password is forgot it is not possible to recover but you can recover like following to recover to factory set gt Switch off the power of controller firstly gt Press SET and hold it down then reconnect the power supply gt 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 T Button function 7 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 temperature of collector is 8 C below the storage tank temperature T2 solar circuit pump starts to wor
7. du the daily thermal energy is cleared and daily thermal energy is reset to 00 gt Press button select to check accumulative thermal energy KWH XX or MWH XX SET displays on the screen gt 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 gt 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 49 SR1168 operation manual 6 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 min Setup steps To select submenu FMAX FMAX 2 0 displays on the 4n screen gt Press SET button parameter 2 0 blinks on the screen gt Press button to adjust parameter of flow rate adjustable range 0 1 20 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Note When select digital flow counter used in the solar system this function is deactivated automatically 6 5 2 MEDT Type of
8. e n E L IH l gt Press button to adjust minute of time gt Repress SET button 15 Min blinks on the screen P Press button to adjust interval time of DHW pump gt Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically aaja SR1168 operation manual Description of temperature controlled DHW pump oolar system can provide temperature controlled hot water circulation function this function needs an extra hot water circulation pump connect output port P2 and a sensor which is installed on the return pipe of hot water connect input port T4 When the temperature signal of sensor T4 is less than the preset turning on temperature of DHW pump the hot water circulation pump P2 triggers and works till the temperature exceeds the turning off temperature Condition for triggering hot water circulation pump only when tank temperature T3 is 2 C higher than the required hot water temperature hot water circulation pump just can be triggered Description of time controlled DHW pump DHW pump can also be controlled at the preset time sections this function needs an extra DHW pump connect output port P2 this pump will be timing triggered and within a running time section default operation is pump runs for 3 minutes then stops for 15 minutes the process repeats within the time section Default
9. range 30 10096 factory set is 100 button to adjust pump speed adjustable gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 4 4 DT2S Standard temperature difference for circulation pump 2 speed adjusting Setup steps A TE ICH To access PUMP then select submenu DT2S DT2S U 1 NE 08 C displays on screen gt Press SET button parameter 08 C blinks on the E us SR1168 operation manual screen b Press set is 08 C button to adjust the standard DT2S adjustable range 2 C 30 C factory gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 4 5 RIS2 Gain for circulation pump 2 speed adjusting Setup steps To access menu PUMP then select submenu HIS2 FIT jJ i FL A LI RIS2 01 C displays on screen Jj gt Press SET button parameter 01 C blinks on the screen b Press ke button to adjust standard RIS2 adjustable range 1 C 20 C factory set is gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 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
10. SET button 00 of minute time blinks on the Screen Tex HS ok 6 a gt Press button to adjust minute of time SET gt Repress SET button 15 Min blinks on the screen P Press button to adjust interval time of DHW pump 30 SR1168 operation manual gt Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically 17 5 P Press button access the third schedule set tC 3o 17 00 appears now can set the third turn on time E Aa cR voit wi DD JLA veces gt Press SET button again 17 of hour time blinks on screen gt Press button to adjust hour of time gt Repress SET button again OO of minute time blinks WE m on screen Et 207 Wes P Press button to adjust minute of time P Repress SET button temperature 03 Min blinks on screen gt Press button to set the running time of DHW circuit pump gt Press ESC to exit this submenu gt Press button tC 3F 22 00 displays on the screen LES zz Gre to access the menu to set the third turn off time of DHW LL J l UU pump gt Press SET button 13 of hour time blinks on screen gt Press button to adjust hour P Press SET button 00 of minute time blinks on the screen em RS HI 5 t J
11. T2ON 80 C displays on screen gt Press SET button parameter 80 C blinks 43 SR1168 operation manual 11 7 44 7 Press button to adjust the minimum switch on t temperature adjustable range is 60 C 90 C default set is 80 C P Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 14 T20FF Switch off temperature for pump transferring heat from storage 1 to storage 2 Setup steps To access main menu TEMP then select submenu T2OFF T2OFF 60 C displays on screen gt Press SET button parameter 60 C blinks 11 5 It 7 Press button to adjust the minimum switch on t temperature adjustable range is 0 C ON 2 C default set is 60 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 15 T4ON Switch on temperature for pump transferring heat from storage 2 to storage 1 Description Note this function is only used in system SCH9 When T4 reaches to the switch on temperature T4ON circuit pump H1 is triggered to transfer heat energy from tank 2 to tank 1 When T4 drops to the switch off temperature TAOFF circuit pump H1 is stopped Setup steps To access main menu TEMP then select submenu T4ON T4ON 60 C displays on screen gt Press SET button parameter 60 C blinks 11
12. button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically 6 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 LE MFEINI Tur gt Press SET button parameter 120 C blinks Cot Ika gt Press button to adjust this maximum switch on temperature adjust range 80 C OF 3 C factory set is 120 C 36 SR1168 operation manual gt Repress SET button to activate and deactivate this function if deactivate the function EMON displays on screen gt Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically YS When these two signals of EM blink on the screen it indicates collector emergency close function is activated and at this moment temperature of tanks reaches to its maximum limited temperature N 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 6 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 temperat
13. ensure that the device cannot be accidentally placed into operation SR1168 operation manual 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 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 Overview 2 1 Introduction of controller e LCD display e sensor inputs e 2relay outputs e 2PWM outputs for speed control of pump e Data saved on SD card e RS485 remote control e Timing and temperature set point control function e Energy saved on off operation model SR1168 ir OpenFile Back Color From 2010 12 07 to 2010 12 07 sl 3 Open File QJ Bock Color From 2010 12 07 v s 20101207 Temperature Flow Speed Speed Power kwh Pawer rmwh Total Temperature Flow Speed Speed Powerlkwh Power meh Total
14. is 5 C 120 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically p EEN i p Z 2 Ze Ka zZ E 2 _ M8 LM _ _ e Application example for reference 6 9 4 AHO Auto thermostat function Description Thermostat function keeps the tank temperature is always same it is independent of the solar system s operation when tank temperature is below the switch on temperature ATO of this function the function controls to trigger back up heating device When tank is overheated this function will transfer heat energy from tank to other place and ensure tank temperature is constant For this function it is necessary to install an extra electromagnetic valve or a circuit pump P2 reference temperature is T4 this function is only available in system SCH1 SCH2 Note When AHO lt AHF This function is used to control back up heating When AHO gt AHF This function is used to transfer energy from tank to other place control tank temperature is constant 60 SR1168 operation manual 2 application examples Release energy from tank Heat tank to constant temperature Setup steps To select menu AHO AHO displays on the screen gt Press SET button parameter blinks Factory set NES PILI ree FILI JL SET gt Repress SET button to activate this function and parameter 50 C bl
15. mg VENE T How sl Select Objects v T1 T3 T5 T Frequency Hour Chart type Bo 0 08 30 09 00 09 30 1000 10 30 1100 11 30 1200 12 30 1300 1330 1400 1430 15 00 15 30 16 00 16 30 17 00 17 30 18 00 0 09 00 09 30 10 00 10 30 1100 1130 12 00 1230 13 00 13 30 1400 14 30 1500 1530 16 00 16 30 17 00 17 30 18 00 Chet Doto List Chart Date List Picture Picture 2 SR1168 operation manual Administrator Y SR1168 A A USB to RS485 Converter x LG 25 Terminal 2011 05 20 19 52 0 Communication RS Picture 3 Picture 4 2 2 Scope of delivery e 1 x controller e 1 x user manual e 2xscrew and dowel e 2x PT1000 sensor o6 50mm length of cable 1 5 meter e 5xNTC10K 6 50mm length of cable 3 meter e 1 x bag of strain relief 2 3 Technical data E Material of cases ABS e Available ambient temperature O 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 pump 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 2
16. on Screen P Press button to adjust minute of time gt Repress SET button temperature 50 C blinks on screen gt Press button to set the switch on temperature of heating det Jl d gt Then press ESC to exit this submenu gt Press button tH 3F 22 00 displays on the screen to access the submenu of the switch off time and temperature for the third schedule of heating function 217 SR1168 operation manual gt Press SET button again 22 of hour time blinks on screen gt Press button to adjust hour of time gt Repress SET button again 00 of minute time blinks on screen gt Press button to adjust minute of time gt Repress SET button temperature 55 C blinks on screen gt 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 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 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 controll
17. storage temperature rises up to its preset maximum temperature Then circuit pump P1 is ceased Use another temperature difference between T3 T4 AT2 to control pump P2 can transfer thermal energy from storage 1 to storage 2 See detailed operation at 6 3 9 amp 6 3 10 PS ports e T5 T t B maa PI ES m R1 Input Ports Sensor Description 78 Sensoronthe upper part of storage optional AI O OOo 7M Sensoronthe storage ll T6 Seworonthemotwaerrtumppe eg BINNEN MN The auxiliary functions available in this system available functions B J R For COOL high temperature cooling Above mentioned auxiliary functions need to be activated in menu 18 SR1168 operation manual SCH 5 2 Storages Pump control logic System description Controller compares the temperature between collector T1 and storage T2 AT1 T4 CAT2 if any of 2 temperature difference DT rises up to or exceeds its preset switch on DT then the corresponding circuit pump P1 P2 is triggered and storage is heated until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pump P1 P2 is ceased Priority logic determines to heat the storage 1 prior fa ia at cel porte Output ports dp W Eer e eee PS p 2g i343 o e e e e eee E E Ou 9 T1 T2 T3 f4 T5 Te A B P1 P2 H1 R1 Input Ports VBus 485 Hire Sewo Be
18. t PR 63 6 19 REST RECOVERY tO factory Seleri oed ea bac t tp mde 65 6 1 ee stamattina dert un tds cadence 65 re nei lee eee E 66 EN We e GUTT OM E 66 EE Ne Te er a 67 2 temperature q ery ue el E 68 S EEGENEN 68 oL Memory Protec OF E 68 9 2 Screen e TN 68 Sbeieftdeifiulsfel tele 68 J TO COIS Lee lee utes TEE 69 Ga Ml eitlei foreneeet m MR 69 GER ele enee le DEE 69 OSEE EEEE AE A E A EE AEN ern erent re ee Onno ere mere renee a 71 UN ee 71 SR1168 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 he 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 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
19. 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 gt Press SET button parameter 60 C blinks Press button to adjust the value of maximum temperature of tank1 adjustable range 40 SR1168 operation manual is 2 C 95 C default set is 60 C gt Repress SET button to activate and deactivate this function if function deactivated SMX1 displays on the screen ee I KAS HIN i TN gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically lt SMX signal displays on screen it indicates that this function is in activated 6 3 8 SMX2 Maximum temperature of tank 2 Setup steps To access main menu TEMP then select submenu SMX2 SMX2 60 C displays on screen gt Press SET button parameter 60 C blinks FUS Sch E P os Sak I
20. 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 48 SR1168 operation manual Setup steps To select menu OHQM OHQM displays on the screen e P Press SET button parameter OHQM OFF appears on the screen gt Press SET button parameter OFF blinks on the screen gt Repress SET button to activate this function then OHQM ONT appears on the screen gt 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 gt 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
21. to reaches its switch on DT then the first priority tank is heated first and it is heated until its temperature rises up to its maximum limited temperature after that the second priority tank just can be heated If the second priority tank is prior to the first priority tank to reaches its switch on DT then the second priority tank is heated provisionally but the switch on DT conditions of first priority tanks is checked continuously once it is catered then the second priority tank is stopped to heat and controller switches to heat the first priority tank Controller repeats to check the switch on DT every 15 minutes and every check lasts for 2 minutes These 2 times are the default factory set but it can be changed at parameter tRUN and tSTP Tank priority function and parameters are available in system with more tanks or tank is layer heated According to the selection of priority tank heat energy is distributed to 2 tanks This controller has several different priority logics for select 1 Tank priority logic control 01 02 01 indicates tank 1 is priority tank 02 indicates tank 2 is priority one 51 SR1168 operation manual 2 Continuous heating Su1 and Su2 3 Parallel heating 0 that means tank priority option is deactivate 2 tanks can be heated at the same time Setup steps To select submenu PRIO PRIO 01 displays on screen gt Press SET button parameter 01 blinks on the screen gt Press
22. 1 30 factory set is 15 minutes 52 SR1168 operation manual gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 6 2 tSTP Interval switch off time Setup steps To select submenu tSTP tSTP 02 displays on screen Fe E ES EE gt Press SET button parameter 02 blinks on the ES screen gt Press button to adjust heating switch off time adjustable range 01 305 factory set is 02 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically ERR Default set Adjustable ra Priority tank PRIO LR 00 02 Sut Interval switch off time tSTP 01 30 minutes Interval heating time tRUN 01 30 minutes Note if priority logic is set as Su1 or Su2 then the corresponding priority tank is heated until its maximum temperature reaches After that controller just heats the next tank If the temperature of the priority tank drops below its SMX again then when the switch on DT conditions of priority tank caters controller stops to heat the second tank but switches to heat the priority tank if the switch on conditions of the priority tank isn t catered then heating is stopped 6 7 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 o
23. 33 44 7 gt Press button to adjust the minimum switch on t temperature adjustable range is 30 C 60 C default set is 60 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically 44 SR1168 operation manual parameters are saved automatically 6 3 16 TAOFF Switch off temperature for pump transferring heat from storage 2 to storage 1 Setup steps To access main menu TEMP then select submenu E Qoi RU TA4OFF TAOFF 40 C displays on screen gt Press SET button parameter 40 C blinks gt Press button to adjust the minimum switch on t temperature adjustable range is 0 C ON 2 C default set is 40 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 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 t
24. 40V 50 60 Hz e Power consumption lt 1W e Accuracy of temperature measuring 2 C e Range of collector temperature measuring 20 200 C e Range of tank or pipe temperature measuring 0 110 C e Inputs 2 x Pt1000 sensor lt 500 C for collector silicon cables280 C qe SR1168 operation manual e 5xNTC10K B3950 sensor s 135 C for tank PVC cable lt 105 C e 1x RS485 remote control connection e Outputs 2 PWM outputs x200W 2 relays outputs each available powers300W 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 gt Drill the upper fixing hole on the wall P Fasten a screw gt Move the terminal cover gt Hang the base plate on the position showed in picture gt Mark the position of 2 bottom holes 2 gt Remove the base plate gt Drill the bottom fixing hole gt Rehang the base plate on screw 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 th
25. 8 operation manual SCH 7 1 storages Heating return control logic System description Controller compares the temperature between collector T1 and storage T2 AT1 ifthe temperature difference DT rises up to or exceeds its preset switch on DT then the circuit pump P1 is triggered the storage is heated until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pumps P1 is ceased Another temperature difference T4 T6 AT2 to control R1 it can heat heating return Note if T4 isn t installed then DT between T3 T6 AT2 to control R1 to heat heating return If T3 T4 both aren t installed the DT between T2 T6 AT2 to control R1 to heat heating return See detailed operation at 6 3 9 amp 6 3 10 UY Output ports To 7 T2 T3 T4 TS T6 AB py p2 Ho RI Input Ports vm mm y c i S VBus 485 Sensor Descipon Ouputreay Description EE Tz Sensor on the bottom part of storage Hi Forbackupheter T3 Sensor on the upper part of storage optional EN dci switch to heat heating T4 Sensor on the middle part of storage optional 15 Sensor onthe ho water eum pe Copiona Sensor on or hea gt 21 SR1168 operation manual SCH 8 2 storages Heating return control logic System description Controller compares the temperature between collector T1 and storage T2 AT 1 T
26. A AT2 if the temperature difference DT rises up to or exceeds its preset switch on DT then the corresponding circuit pump P1 P2 is triggered to heat storage until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pump P1 P2 is ceased Priority logic determines to heat storage 1 prior Another temperature difference T5 T6 AT3 to control R1 it can heat heating return Note if T5 isn t installed then DT between T4 T6 AT3 to control R1 to heat heating return See detailed operation at 6 3 9 amp 6 3 10 Input ports M NT ee E uA ATEM x m Output ports EM Ce GI Ou TO T T2 T3 T4 T5 BE ae m P2 Hi R1 uf Pots CL la EF E p b ei Sensor for thermal energy measuring optional For solar circuit pump 1 Sensor on the collector For solar circuit pump 2 Sensor Description Output relay Sensor on the bottom part of storage 1 For back up heater Sensor on the bottom part of storage 2 Sensor on the upper part of storage 2 optional Sensor on floor heating l T Val h h h Sensor on the upper part of storage 1 optional Pind switch to heat heating 22 SR1168 operation manual SCH 9 2 storages Heat inter transferring control logic System description Controller compares the temperature between collector T1 and storage T2 AT1 if the temperature difference DT rises up to or exceeds its preset switch on DT then the corresponding cir
27. EE C displays on screen gt Press SET button parameter 08 C blinks on the screen gt Press button to adjust the standard DTS adjustable range 2 C 30 C factory set is 08 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 4 2 RIS Gain for circulation pump 1 speed adjusting Setup steps To access menu PUMP then select submenu RIS RIS 01 C displays on screen 46 SR1168 operation manual gt Press SET button parameter 01 C blinks on the cert m 0c screen A8 i E i Press button to adjust standard RIS adjustable range 1 C 20 C factory set is 1 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 4 3 n2MN Speed adjusting of circulation pump 2 pump2 RPM controlling Description P2 output can be configured to function either as RPM controlled output or simple switch output When n2MN is set as 30 90 P2 output used as RPM output When n2MN is set as 100 it means P2 output used as switch output Example for control electromagnetic valve or control pump with integrated RPM Setup steps To select n2MN submenu pump 2 RPM controlling n2MN 100 displays on screen gt Press SET button parameter 100 blinks on the screen __ INANE lu OCI T gt Press
28. FON 50 C displays on the UE TINI i C screen gt Press SET button parameter 50 C blinks on the screen gt Press button to adjust the turn on temperature adjustable range 10 C OF 2 C factory setis 50 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 8 2 SFOF Maximum turn off temperature of tank Setup steps To select submenu SFOF SFOF 55 C displays on the screen 56 SR1168 operation manual gt Press SET button parameter 55 C blinks on the screen M LIF EU Press button to adjust the turn off temperature adjustable range ON 2 C 80 C factory set is 55 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 8 3 MAX3 Maximum turn off temperature of solid fuel boiler Setup steps To select submenu MAX3 MAX3 60 C displays on the screen gt Press SET button parameter 60 C blinks on the Iu Ut v Screen CR E es ch LN rs aw Li SEN gt Press adjustable range MIIN3 2 C 95 C factory setis 60 C button to adjust the turn off temperature gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 8 4 MIN3 Maximum turn on temperature of solid fuel boi
29. IN2 Minimum switch on temperature for heat transferring between tank and plore mre e E Le ec TT 43 6 3 13 T2ON Switch on temperature for pump transferring heat from storage 1 to lge e pc T nde eclead 43 SR1168 operation manual 6 3 14 T2OFF Switch off temperature for pump transferring heat from storage 1 to tele e LH c 44 6 3 15 TAON Switch on temperature for pump transferring heat from storage 2 to Storage a C ee 44 6 3 16 TAOFF Switch off temperature for pump transferring heat from storage 2 to ENEE Tx cati DRE D MEME ME NM 45 6 4 PUMP circuit pump speed adjust eet errereen 45 6 4 1 DTS Standard temperature difference for circulation pump 1 speed adjusting 46 6 4 2 RIS Gain for circulation pump 1 speed adjusting sss 46 6 4 3 n2MN Speed adjusting of circulation pump 2 pump2 RPM controlling 47 6 4 4 DT2S Standard temperature difference for circulation pump 2 speed adjusting 47 6 4 5 RIS2 Gain for circulation pump 2 speed adjusting sss 48 6 5 OHQM Thermal energy measuring asramasa E 48 6 5 1 FMAX FOW TEE 50 6 5 2 MEDT Type of heat transfer liquid eese eese nee reen testa rtnntnss 50 6 5 3 MED Concentration of heat transfer liquid seenen 51 eonun NE eleg ert 51 0 5 re BIC Interval heating E uscscie apt nein a rn ERROR HE Oe ra p HO ee etes 52 6 6 2 tSTP
30. Interval switch off me 53 6 7 INTV Pump interval TUI GOD irent hada na deser deterrere t epe IEEE 53 6 7 1 ISTAR Turn on time set for pump interval running function sss 54 6 7 2 IEND Turn off time set for pump interval running function sss 54 O59 1S PURmp TEE ALTI dcos nalis citet hg are edid sU coste tomi dto RO oti data ttes 55 6A IRUN PUMO TUNNING IMO itam oem E od meis 55 5 9 Elle E Beleeg ON O EE 55 6 8 1 SFON Minimum turn on temperature of tank eese trente tnntnsnis 56 6 8 2 SFOF Maximum turn off temperature of tank esee 56 6 8 3 MAX3 Maximum turn off temperature of solid fuel boiler 57 6 8 4 MIN3 Maximum turn on temperature of solid fuel boiler 57 dos SR1168 operation manual 6 9 FUN Auxiliary TU OT EE 57 6 9 1 DVWG Anti legionnaires function eese nente treten testes ttns tato siis 58 6 9 2 FTYPE Flow counter type selection reset nreeten tne reen tnn ttnrtnntnss 59 6 9 3 COOL Tank Cooling TUNGU N secasses aaia 59 5 94 ARO Auto Bi Erna Ee ale LOIN E 60 6 10 OSDO SD card data Save TUNG HOM ens ducat erm truces dee dedii oni eet d UN Eco 62 6 10 1 0SDG Gard function Switch on and offitio tese teer tnb 62 6 10 2 LOGI e ee 62 6 11 UNIT Display unit C and F SWN Ssss 63 612 HND Mandal ee gle
31. L gt Press button to adjust the value of the maximum temperature of tank 2 adjustable range is 2 C 95 C default set is 60 C gt Repress SET button to activate and deactivate this function if function deactivated SMX2 displays on the screen gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 9 MAX1 Maximum switch off temperature for heat transferring between tank and heating loop Function description of heat heating return take system SCH7 as example If temperature difference between tank T4 and heating return T6 reaches AT2 switch on temperature then 3 way valve H1 is turned to heating return tank will heat heating return When temperature difference between tank T4 and heating return T6 reaches AT2 switch off temperature or when tank temperature T4 drops to its minimum switch on temperature MIN1 or when temperature of heating return rises up to its maximal switch off temperature MAX1 then close 3 ways valve H1 41 SR1168 operation manual Setup steps To access main menu TEMP then select submenu MAX1 MAX1 60 C displays on the screen MATT 1 c gt Press SET button parameter 60 C blinks IRAN SET gt Press button to adjust the value of maximum switch off temperature adjustable range is MIN1 2 C 95 C default set is 60 C gt Press
32. R1 Electromagnetic relay and Max Switching current 3 5A for T type electromagnetic valve Note R1 used for controlling the electromagnetic valve and COM NC is always the closed port COM NO is always the open port e lf this port is used for control circuit pump Circuit pump is connected to port COM NO always open valve e 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 10 SR1168 operation manual 4 Commissioning 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 4 1 SCH system selection Under standby status 17 5 gt Press SET button and then press button PWD 0000 appears on the screen then press SET again and the left digital blinks it asks for e i entering password default password is 0000 A LTB gt Press button to enter the first digital of password gt Then press SET button the second digital blinks gt Press button to enter the second digital of pona password e L f d d f SET gt Then press SET again the third digital blinks i gt Press button to enter the third digital of password gt Then press SET a
33. Science and Technology Create Perfection Installation and Operating Manual R1168 SOLAR CONTROLLER For Split Pressurized Hot Water System SR1168 A Read the instruction carefully please before operation SR1168 operation manual Contents ieri iae I T UT 5 1 1 Installation and COMMISSIONING ssssssssssssssscsecsscssssssesssessesssssssesssessessssssscssssssessuessucesseesessuesasesseessesssesesss 5 1 2 JADODULUIDIS un E EE 5 ES BE e TH E 5 T 4 Atmportarit EMA Ian c tri te ceti t eati E rice UE RC d Cu FUE EE SURE LEE 6 WR le ee OS INDO E 6 QW SUV NOW 6 2 1 ag gees Raeren tye EE 6 ee Ee delle slides tte tni etd e ear t eec iri delit rea tbe rs 7 20 elle e M EE EE EO EE m 7 S MTS TeV IO DE 8 Sal ae CONTO lle E 8 3 2 Wiresarral debite blue dria rtv ote dete m e MU E ERO dti n us 8 SEET 9 a Commissio He EE 11 e BEE E e aestus t artksr traded dieron cnd tdt eua vade d 11 4 2 Meis Ill E 12 A E Ee S CMI e n EE 13 EE EENEG 14 Eelere LE 14 SCH 1 Standard solar system 1 Storage reet 15 SCH 2 1 Storage T valve layer heating eese tenerent tenen tnnnnniis 16 SCH 3 Standard system heat exchanger control logic2 17 SCH 4 2 Storages heat transferring control IOGIC eere 18 SGH5 C2 Storages Pump control Een acierto EA 19 SOHO CEaSt WES CONCCIOIS storage EE 20 SR1168 operation manual SCH 7 1 storages Heating return control logic seenen 21 SCH 8 2 st
34. age 2 to storage 30 C 60 C 1 TAOFF Switch off temperature for pump transferring heat from storage 2 to storage OC ON 2C 40 C 1 30 C 0 C 60 C 60 C 35 SR1168 operation manual 6 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 ON 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 temperature drops to the collector maximum switch on temperature EMON factory set is 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 CWA TE IT E 1 UL AM ER gt Press SET button parameter 130 C blinks cu gt 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 gt Press ESC
35. ally parameters are saved automatically 38 SR1168 operation manual CMN signal displays on screen it indicates that this function is activated 6 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 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 l gt Repress SET button to activate or deactivate this function gt 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 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 3x CFR signa
36. 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 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 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
37. aved automatically 6 7 2 IEND Turn off time set for pump interval running function Setup steps To select submenu IEND IEND 18 00 displays on the screen gt Press SET button parameter 18 00 blinks 17 5 t Press button to adjust turn off time gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 54 SR1168 operation manual 6 7 3 ISTP Pump interval time Setup steps To select submenu ISTP ISTP 30 displays on the Pert 3 1 ER i d m screen gt Press SET button parameter 30 blinks factory set is 30 minute 17 33 tt J gt Press button to adjust time adjustable range 2 60 minutes gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 7 4 IRUN Pump running time Setup steps To select submenu IRUN IRUN 15 displays on the pr screen gt Press SET button parameter 15 displays and blinks factory set is 15 seconds 17 5 tt J gt Press button to adjust time adjustable range 5 120 seconds gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 8 SFB Solid fuel boiler turn on off Description take system SCH01 as example Under SFB boiler is sta
38. cuit pump P1 is triggered to heat storage until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pump P1 is ceased See detailed operation at 6 3 13 amp 6 3 16 pu Bore Sewor Seet Output relay Sensor for thermal energy measuring optional For solar circuit pump 1 T1 Sensor on the collector P2 per EE EEN tank 1 to tank 2 T2 Sensor on the bottom part of storage 1 Ht Forback up heater For heat transferring pump from om Sensor on the upper part of storage 1 optional sn MEM T4 Sensor on the bottom part of storage 2 ee e Sensor onthe heat run pipe optional NGC NEG EG 23 SR1168 operation manual 5 Function operation and parameter setup user grade 5 1 Set time week gt Press SET button Time displays on the screen gt Repress SET button hour selection area 00 blinks on the display screen b Press button to set hour of clock up Meaning gt Press SET button again minute area 00 blinks Press button to set minute of clock gt Press SET again week area MO blinks gt Press button to set week gt Press SET again DAY MONTH YEAR area Year blinks b Press button to set year gt Press SET again Month blinks Press button to set month gt Press SET again DAY blinks Press butt
39. e case B Cable comes from the rear hole A Remove the plastic flaps from the rear side of the case using an appropriate tool SR1168 operation manual 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 provided 464646466 amp Veen ei 6 t amp re Sadani eben fr en A ege e 1 3 3 Wire connection Before opening the terminal please be sure to switch off the power and pay attention to the local electricity supply rules Input ports aie a IN 7 vir wir ur Input Ports Inputs TO T1 For PT1000 temperature sensor used for measuring the temperature of collector and measuring the produced thermal energy Inputs T2 T6 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 gt 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 280 C not necessary to distinguish the positive and negative polarity of the sensor connection gt Only original factory enclosed NTC10K B 3950 te
40. e 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 Br P screen Default set is gt Press SET button parameter blinks on the screen m L i m gt Repress SET button function is triggered And then 70 C blinks on the screen 58 SR1168 operation manual 17 5t b Press button to adjust this temperature adjustable range is 5 95C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Note in system SCH21 24 it is default set no anti legionalle function not possible to adjust 6 9 2 FTYPE Flow counter type selection FTYPE flow counter type adjustable range 01 02 Type of flow counter 01 Mechanical flow counter 02 Digital flow counter Setup steps SET To select menu OHQM then select FTYPE submenu FTYPE 01 displays on screen gt Press SET button parameter 01 blinks on the screen gt Press button select type o
41. eating function can be set gt Press button to adjust hour of time T i 1 gt Repress SET button again 00 of minute time blinks on screen gt Press button to adjust minute of time gt Repress SET button temperature 40 C blinks on screen P Press button to set the switch on temperature of heating gt Then press ESC to exit this submenu P 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 Ter heating function a gt Press SET button again 05 of hour time blinks on screen Press button to adjust hour of time gt Repress SET button again 00 of minute time blinks on screen gt Press button to adjust minute of time gt Repress SET button temperature 45 C blinks on screen gt 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 P Press button tH 20 10 00 displays on the screen to access the submenu of the switch on time and temperature for the second schedule of heating function TEL gt Press SET button again 10 of hour time blinks on screen gt Press button to adjust hour of time
42. er we strongly recommend equipping with SR802 device with this controller SR802 detailed technical data see paragraph spare parts 5 3 CIRC DHW pump control function Select CIRC submenu CIRF OFF appears on the EDIT screen the default set is OFF E LE LU d gt Press SET button parameter OFF blinks on the screen gt Press SET button again to activate this function CIRC ON appears on the screen 28 SR1168 operation manual P Press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically gt Press button tCYC appears on the screen gt Press SET button to access tCYC menu P Press SET button access tCYC three schedules function tC 10 05 00 appears now can set the first turn on time gt Press SET button again 05 of hour time blinks on screen gt Press button to adjust hour of time gt Repress SET button again 00 of minute time blinks on screen gt Press button to adjust minute of time gt Repress SET button temperature 03 Min blinks on screen P Press button to set the running time of DHW circuit pump gt Press ESC to exit this submenu gt Press button tC 1F 07 00 displays on the screen to access the menu to set the first turn off time of DHW pump gt Press SET bu
43. er will adopt the temperature signal from sensors T2 T4 installed on the bottom part of storage to control back up heater or circuit pump 14 SR1168 operation manual SCH 1 Standard solar system 1 Storage 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 AT1 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 rises up to its preset maximum temperature Then circuit pump P1 is ceased Input ports b Lo b D 4 i l jod jJ i d 32 j TO T T2 T3 T4 TS TO A B P 1 4 VBus 485 g e R1 Input Ports Sensor Descip on Owputreiay Description Pi For solar circuit pump 1 eo T H1 For back up heater E Ww Ww The auxiliary functions available in this system available functions For measuring the hot water Available for temperature P2 DHW pump d the temperature of Circuit pump for solid fuel boiler R1 For COOL high temperature cooling Above mentioned auxiliary functions need to be activated in menu 15 SR1168 operation manual SCH 2 1 Storage T valve layer heating System description Controller compares the temperature between collector T1 and storage T2 AT1 T3CAT2 if the temperature difference DT rises up t
44. es Joupureay Bech Sensor for thermal energy measuring optional 13 Sensor on the upper pat of storage fpina REP 7M Sensoronite storage L5 Sersoron he hot ater etme eg 1 Ew 0 0 M The auxiliary functions available in this system available functions B 4 JR For COOL high temperature cooling Above mentioned auxiliary functions need to be activated in menu 19 SR1168 operation manual SCH 6 East west collectors 1 storage System description Controller compares the temperature between collector T1 TO and storage T2 AT1 if any of 2 temperature difference DT rises up to or exceeds its preset switch on DT then 2 corresponding circuit pump P1 P2 are triggered and the storage is heated until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pumps P1 P2 are ceased gt e KR o EE pore Output ports B ur CO DEREN ke I WR A 9 eee 9 lei eleleleielele E E jJ 7 Ou TO 11 42 T3 74 T5 T AB P1 ga H1 R1 Input Ports VBus 485 X dr EE Sensor Description Owputreay Description T2 Sensor on the botom part of storage Hi Forbadkupheder L5 Semwowmewperptosuae PRE The auxiliary functions available in this system available functions B J RI For COOD high temperature cooling Above mentioned auxiliary functions need to be activated in menu 20 SR116
45. f displays R1 output B4 SR1168 operation manual is switched off P Press ESC to exit R1 setup Note when manual mode is activated hy signal displays on the screen after 15 minutes all outputs are switched off controller exits manual mode automatically 6 13 REST Recovery to factory set Setup steps To access main menu REST U l gt Press SET button YES displays on the screen gt Hold down SET button buzzer makes du 3 times then release SET button and wait for display recovery to initial interface that means 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 6 14 PASS Password set Setup steps To access main menu PASS gt Press SET button PWDC 0000 appears the left digital blinks ask for entering current password factory set is 0000 VW oF Lt S button to enter the first digital SET Press gt Repress SET button the second digital blinks gt Press button to enter the second digital R ger Pile vind 0140 409 401 PVN UIN LUCILIO C gt Repress SET button the third digital blinks gt Press button to enter the third digital gt Repress SET button the fourth digital blinks gt Press button to enter the fourth digital 65 SR1168 operation manual gt Press
46. f flow counter adjustable range 01 02 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 9 3 COOL Tank cooling function Description Tank high temperature cooling function is independent of solar system s operation this function is used to maintains the tank with a constant temperature so extra energy in tank will be transferred to other devices to achieve this function it is necessary to add a electromagnetic valve or a circuit pump H1 the corresponding tank is tank 1 its temperature is monitored by T3 For example The set point of tank high temperature cooling function is 70 C then when tank temperature T3 rises up to 71 C tank cooling function is activated electromagnetic valve or circuit pump and DT circuit pump P1 are triggered at the same time when tank temperature T3 drops to 67 C electromagnetic valve or circuit pump and DT circuit pump P1 are ceased at the same time Setup steps To select submenu COOL COOL displays on screen 59 SR1168 operation manual gt Press SET button blinks on the screen default eel ILI set is SET gt Repress SET button to activate cooling function and COOL 95 C displays on the screen 95 C blinks m i g La pme a m Li K bt E b Press button to adjust function switched on temperature adjustable range
47. gain the forth digital blinks 17 5 t P Press button to enter the forth digital of password gt After password entering then press SET to enter main menu SCH 01 appears on the screen gt Repress SET to select system 01 blinks and the first solar system showed on the screen Press button to scroll the solar system and select one suitable for your system SCH1 to SCH9 systems are available P Press ESC to exit system setup or wait for 20 seconds to exit set program automatically the selected system is saved automatically dd s SR1168 operation manual 4 2 Menu structure t ser frie frer fore Shreve gt 4 Main menu sT y y y v At At Vt At At At At vt 0 vM Spd Lo EE EE SET SET SET SET EL DELL SS are FS s JL Submenu zs z 77 Co fo ria rab xix Z IHS It x HR 2S 2S N O ET Bi B AIS It T4OFF Submenu Through submenu user can set the parameter as desired value please check it carefully Note since the selected solar system is different and then menu details for the according system are different Aa SR1168 operation manual 4 3 Menu description Code Code Menu Description Main menu Submenu For set desired system For set the operation temperature difference TEMP For set relevated temperatures EMOF The maximum switch off temperature of collector EMON The maximu
48. gt Repress SET button again 00 of minute time blinks on screen 26 SR1168 operation manual P Press button to adjust minute of time gt Repress SET button temperature 50 C blinks on screen gt Press button to set the switch on temperature of heating gt Then press ESC to exit this submenu P 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 gt Press SET button again 10 of hour time blinks on screen Press button to adjust hour of time x gt Repress SET button again 00 of minute time blinks on screen P Press button to adjust minute of time gt Repress SET button temperature 55 C blinks on screen gt 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 P 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 gt Press SET button again 17 of hour time blinks on screen K SAL Press button to adjust hour of time gt Repress SET button again OO of minute time blinks
49. he heat exchanger temperature rises up to its preset maximum temperature Then circuit pump P1 is ceased Use another temperature difference between T4 T2 AT1 to control pump P2 can heat the storage Note If T4 isn t installed then when DT between collector T1 and storage T2 rises up to or exceeds the switch on DT circuit pump P1 P2 will be triggered at the same time and they will keep running until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature then both pumps are stopped input ports Output ports See detailed operation at 6 3 11 amp 6 3 12 ee TET I nec T9 02 3 4 s B i a RB T Ri Input Ports e 295 o A p us de A Sensor Description 738 Sensoronthe upper pantof storage opona P J ooo o o o M Sewoontemetexhamer OOO CP T5 Sensoronthehotwater reum pipe eg o o o o o o o SoooSo wm A The auxiliary functions available in this system available functions B II For COOD high temperature cooling Above mentioned auxiliary functions need to be activated in menu SAT SR1168 operation manual SCH 4 2 Storages heat transferring control logic System description Controller compares the temperature between collector T1 and storage T2 AT1 if the temperature difference DT rises up to or exceeds the preset switch on DT the circuit pump P1 is triggered and storage is heated until DT drops to the switch off DT or when the
50. he temperature difference flow rate of pump is increased or reduced Setup steps LI To access main menu PUMP PUMP displays on the screen press SET to access the menu then nMIN 100 displays on screen 45 SR1168 operation manual gt Press SET button parameter 100 blinks on the screen MTI TEIE TN TEIS P Press button to adjust pump speed adjustable range 30 10096 factory set is 100 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 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 3096 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 1096 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 AAT OFF circuit pump is ceased Setup steps To access PUMP then select submenu DTS DTS 08 d E
51. heat transfer liquid MEDT type of heat transfer liquid adjustable range 00 03 factory set 01 Type of heat transfer liquid AT T II 00 Water FH 453 LI 01 Propylene glycol 02 Glycol 03 Tyfocor LS G LS Setup steps To select submenu MEDT MEDT 01 displays on screen gt Press SET button parameter 01 blinks on the screen gt Press button to adjust type of heat transfer liquid adjustable range 00 03 gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 50 SR1168 operation manual 6 5 3 MED Concentration of heat transfer liquid MED Concentration of heat transfer liquid volume percentage 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 gt Press SET button parameter 40 blinks on the UR IE fk Lu Ut screen dE ua P gt Press button to adjust concentration adjustable range 20 70 gt 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 6 6 PRIO Tank priority Description The temperature difference between tank and collector is continuous checked If the first priority tank is prior to the second priority tank
52. inks on the screen gt Press button to adjust switch on temperature of thermostat function adjustable range 2 95 C gt Press ESC button to exit menu IJ if Z C Nu rs gt Press button AHF 55 C displays parameter 55 oC blinks and factory set 55 C 17 5 t b Press range 2 95 C button to adjust switch off temperature of thermostat function adjustable P Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically AMM Signal blinks on the screen it indicates AHO function is activated Note when any one of functions AHO COOL CIRC SFB is activated then other functions will be deactivated 61 SR1168 operation manual 6 10 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 ONT 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 6 10 1 OSDC Card function switch on and off Setup steps To select menu OSDC OSDC displays on the screen gt Press SET button OSDC OFF appears in this case EI J d data isn t saved gt Repress SET button OFF blinks on the screen factory default set OFF gt Repress SET button again to activate
53. ions are not satisfied One function can t be activated Display shows nothing no display illumination The pump symbol on the display blinks The pump symbol in the display doesn t blink M 208 Lighted or HN N blinks JA Se Error message displays on the screen The pump symbol on the display blinks no function selected in submenu Possible cause Controller power supply is interrupted or program is out of work Pump power supply is interrupted The maximum storage tank temperature SMX1 has been reached The maximum collector temperature EM has been reached Sensor fault short circuit or open circuit Holiday function or Frost protection function or tank re cooling function is activated All inputs and outputs are used inputs and outputs can t be used doubly Procedure Check the controller power cable and fuse Check the pump power cable No fault Check values of every connected sensor replace all defective sensors and or cabling No problem it is normal If necessary to deactivate the corresponding functions No fault on controller 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
54. k 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 66 SR1168 operation manual Note The function is deactivated when the temperature on bottom of tank is below 35 C Activate deactivate this function gt Press pill button for a long time until the signal of holiday function displays on the screen and then holiday function is activated gt Repress d 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 7 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 temperature 60 C blinks on the screen Press set is 60 C
55. l 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 39 SR1168 operation manual 6 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 through this reversed circulation storage temperature is reduced by heat loss occurs in collector solar pump keeps in working until storage temperature 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 gt Press SET button parameter OFF blinks on screen r1 d 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 39 REC signal displays on screen it indicates that this function is activated 6 3 7 SMX1 Maximum temperature of tank 1 Description When
56. ler Setup steps tt Op H To select submenu MINS MIN3 30 C displays on the jM TNI rc screen ICT d JL gt Press SET button parameter 30 C blinks on the screen gt Press button to adjust the turn off temperature adjustable range 10 C MAX3 2 C factory setis 30 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 9 FUN Auxiliary function The auxiliary functions of this controller can be set under FUN menu it is possible to activate 57 SR1168 operation manual several auxiliary functions at the same time Note Sometimes your selected function needs an extra signal input to connect temperature sensor or an extra output to connect pump or electromagnetic valve When all inputs and outputs have been occupied function you selected may not be available for activating n such case you can t see the submenu options For different system activated or deactivated statuses for following auxiliary functions in submenu are different Following submenu can be accessed through menu FUN DVWG Anti legionnaires function FTYPE Selection flow counter COOL Tank cooling function Auto thermostat function 6 9 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 temperatur
57. m switch on temperature of collector The maximum temperature of collector Collector cooling function Low temperature protection of collector X N H Frost protection of collector C Tank recooling function The Maximum temperature of storage 1 The Maximum temperature of storage 2 Sensor set of the maximum temperature of storage 2 The maximum switch off temperature for heat transferring between storage and heating return The minimum switch on temperature for heat transferring between storage and heating return The maximum switch off temperature for heat transferring MAX between heat exchanger and storage pum The minimum switch on temperature for heat transferring MIN2 between heat exchanger and storage T2ON The switch on temperature of circuit pump for heat transferring from tank 1 to tank2 T2OFF The switch off temperature of circuit pump for heat transferring from tank 1 to tank2 The switch on temperature of circuit pump for heat transferring from tank 2 to tank1 The switch off temperature of circuit pump for heat transferring from tank 2 to tank1 For set the speed parameters of circuit pump Speed adjust of circuit pump 1 RPM control Standard temperature difference of pump 1 DTS for speed adjust of circuit pump 1 ee Increase scale of pump 1 for speed adjust of circuit pump RIS 1 Speed adjust of circuit pump 2 RPM control Standard temperature difference of pump 2 DT2S for soeed adjust of ci
58. mperature 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 SR1168 operation manual gt A 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 fexternal 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 2 length is up to 50m and then 0 75mm cable should be used When cable s length is up 2 to 100m and then 1 5mm cable should be used Output Ports Output ports ET tt CYT tes LE P1 P2 H1 R1 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 P2 Semiconductor relay SCR relay for solar circuit pump also suitable for RPM speed control Max Switching current 1A Output H1 Electromagnetic relay and Max Switching current 3 5A Output
59. n 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 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 he 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 m gt Press SET button tHET displays on the screen L gt Repress SET button to access tHET program menu gt Repress SET button again to set parameters of tHET tH 10 04 00 displays on the 25 SR1168 operation manual screen 04 of hour time blinks on screen the switch on time and temperature for the first schedule of h
60. ndby If the tank temperature T3 drops below the turn on temperature of solid fuel boiler SFON and temperature of solid fuel boiler T4 is between its MIN3 and MAXS3 MIN3 T4 MAX3 then solid fuel boiler P2 is triggered when tank temperature T3 rises up to the turn off temperature of solid fuel boiler SFOF or when temperature of the solid fuel boiler T 4 exceeds its MIN3 and MAX3 that is T4 gt MAX3 or T4 lt MIN3 then solid fuel boiler P2 is stopped Note the preset MIN3 should be at least 1 C higher than the preset SFOF for example set SFON is 50 C SFOF is 55 C then MIN3 should be at least 1 C higher than SFON and 55 SR1168 operation manual namely it is 56 C Then when the tank temperature is below 50 C solid fuel boiler is triggered when the tank temperature rises over 55 C solid fuel boiler is stopped Setup steps To select submenu SFB SFB displays on the screen LE 4 gt Press SET button SFB OFF displays on the screen gt Repress SET button parameter OFF blinks rm ur A i 5 os factory set is OFF gt Press SET button again to activate this function then SFB ON displays on the screen gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 8 1 SFON Minimum turn on temperature of tank Setup steps To select submenu SFON S
61. nds to exit automatically parameters are saved automatically 6 12 HND Manual control FAT16 Memory of card is less than 2G WRITR Card written protection When using this controller first time or when debugging this controller output of this controller P1 P2 H1 R1 can be triggered manually with On OFF control Setup steps To access main menu HND 63 SR1168 operation manual gt Press SET button HND1 off displays on the screen y uw P1 output manually set gt Repress SET button HND1 on displays on the screen P1 output is switched on gt Repress SET again HND1 off displays P1 output is switched off gt Press ESC to ext P1 setup gt Press button HND2 off displays on the screen P2 output manually set gt Press SET button HND2 on displays on the screen P2 output is switched on gt Repress SET again HND2 off displays P2 output is switched off gt Press ESC to exit P2 setup gt Press button HND3 off displays on the screen H1 output manually set EN ad Lug gt Press SET button HND3 on displays on the screen H1 output is switched on gt Repress SET again HND3 off displays H1 output is switched off gt Press ESC to exit H1 setup P Press SET button HND4 on displays on the screen H1 output is switched on gt Repress SET again HND4 of
62. o the preset switch on DT or is over it circuit pump P1 is triggered and simultaneously T Valve R1 switches to the according part and this part of the storage is heated until DT drops to the switch off DT or when the storage temperature rises up to its preset maximum temperature Then circuit pump P1 is ceased Priority logic determines to heat the bottom part of storage prior Input ports LET E EC puput por EE GE CH TO T T2 T3 T4 5 e di d Pa dk ec paas ma CN usi LET HS Sensor Description Ouputreay Description mn Soest For backup heater For T valve o switch to heat tark RI T6 Sensor onthe hotwaterretumn pipe opora wm T The auxiliary functions available in this system available functions For measuring the hot water Available for temperature DHW pump Circuit pump for solid fuel boiler AHO auto thermostat For measuring the temperature of gt solid fuel boiler For auto thermostat Above mentioned auxiliary functions need to be activated in menu 16 SR1168 operation manual SCH 3 Standard system heat exchanger control logic System description Controller compares the temperature between collector T1 and storage T2 AT1 if the temperature difference DT rises up to the preset switch on DTor is over it then correspondingly circuit pump P1 is triggered and the heat exchanger is heated until DT drops to the switch off DT or when t
63. on to set day gt 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 5 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 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 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 294 SR1168 operation manual 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 55 C 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 ca
64. onnected Sensor wiring short or open T4 sensor not connected Sensor wiring short or open Check resistance value or replace Connect TO or switch off function COHQM Check resistance value or replace Check resistance value or replace Connect T3 sensor or switch to other system Check resistance value or replace Connect T4 sensor deactivate functions AHO SFB Check resistance value or replace 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 69 SR1168 operation manual 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 Controller does not appear any functions at all The solar pump doesn t operate despite the fact that switch on conditions are satisfied Solar circuit pump doesn t operate The solar pumps operated despite the fact that the switch on condit
65. orages Heating return control logicO serene tenens 22 SCH 9 2 storages Heat inter transferring control logic2 sss 23 5 Function operation and parameter setup user grade senes 24 SACU IMG WEEK mera 24 eebe Ca Ep Minn Un Te Bel BE 24 5 3 CIRG DAW p mp Control TUNCUO E 28 6 function operation and parameter setup engineer grade sss 33 om eet Nc M 33 6 2 DT Temperature dillereriCe sauce Sci he vadis a me da dd eae cadi ila iis 33 6 S TEMP Rn e E 34 6 3 1 EMOF Collector maximum switch off temperature for collector emergency close TUNC IOM eR MM 36 6 3 2 EMON Collector maximum switch on temperature for collector emergency COSC UNCION Mercer 36 6 3 3 CMX Maximum limited collector temperature collector cooling function 37 6 3 4 CMN low temperature protection of collector ere 38 623 0 GER Trost DFOIGCHODEOT CO IGGIOT eer 39 6 9 6 e Ee ER reCoolng Die elen DEE 40 6 3 7 SMX1 Maximum temperature of tank 1 eer 40 6 3 8 SMX2 Maximum temperature of tank 2 eener 41 6 3 9 MAX1 Maximum switch off temperature for heat transferring between tank and Eer 41 6 3 10 MIN1 Minimum switch on temperature for heat transferring between tank and Dnealirig OOD uut aan a I M E nU NM TI 42 6 3 11 MAX2 Maximum switch off temperature for heat transferring between tank AMG heatexchangeT jasmanine 42 6 3 12 M
66. rcuit pump 2 Increase scale of pump 2 for speed adjust of circuit pump RIS2 2 For thermal energy measuring BE FMAX Flow rate Type of heat transfer liquid Concentration of heat transfer liquid Storage priority heating ump running time ump interval time INTV For timing function witch on time of timing function witch off time of timing function ump interval run on time PUMP OHQM o Ce LI Kr d ET LA d SR1168 operation manual ISTP Pump interval run off time For turn on off the solid fuel boiler SFON The minimum turn on temperature of storage SFOF he maximum turn off temperature of storage T MAX3 The maximum temperature for switch off solid fuel boiler T NENNEN BEDS UE b Po MIN3 he minimum temperature for switch on solid fuel boiler BEN OO Po Po OSDC Auxiliary functions DVWG Anti legionnaires function SDcardfuntionn j OSDC LOGI Data save interval in minute E NOCRD No card in groove FAT32 Memory gt 2G L RIME ett time available for saving data in day too Pobetbg OOOO LOGG Possible to log UNT UNIT EMEN ee REST Recovery to factory set as PASS 4 4 System overview 4 5 System description Note storage temperature sensor T3 T5 are optional sensor if these 2 sensors are not installed on the upper part of the storage controll
67. rder 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 at ISTAR and IEND submenu 53 SR1168 operation manual Setup steps To select submenu INTV INTV displays on the screen L N A l P Press SET button to access menu INTV OFF displays gt Repress SET button parameter OFF blinks factory set is OFF LININ PR TNITITIJ II M P Press SET button to activate this function then SET INTV ON displays on the screen P Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 7 1 ISTAR Turn on time set for pump interval running function Setup steps To select submenu ISTAR ISTAR 07 00 displays on the screen LE 1d Hi gt Press SET button parameter 07 00 blinks 17 5t Press button to adjust turn on time gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are s
68. settings unchanged 8 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 8 3 Circuit pump protection In the case that digital flow counter is used in the system when controller monitors that no flow is existed then circuit pump P1 will be stopped and P1 displays on the screen Switch off the power supplier of controller to exit circuit pump protection function recovery P1to standby status 68 SR1168 operation manual 9 Trouble shooting 9 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 f ZN show on the display If controller does not work correctly please check following points gt Press button to check error code AN signal displays on the LCD screen Cause of error Error rectification 9 2 Trouble checking TO sensor problem Thermal measuring function is triggered T1 sensor problem T2 sensor problem Appears in system with layer heated tank T4 sensor problem AHO SFB function is activated T6 sensor problem Sensor wiring short or open TO not connected Sensor wiring short or open Sensor wiring short or open T3 sensor not c
69. ss button to enter third digital of password gt Repeat press SET button the forth digital blinks 17 5 tt gt Repress button to enter forth digital of password gt Repress SET button to access the main menu gt Press button select any menu you wanted gt 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 6 2 DT Temperature difference Description Solar circuit pump P1 P2 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 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 we recommend using default set Switch on and switch off DT are 33 SR1168 operation manual alternating set To avoid mistake the minimum difference between two temperature differences ATon AToff is set as 2 C Setup
70. temperature difference Under standby following steps descript in paragraph 6 1 to access main menu DT P 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 17 5t 5 Press button to adjust the value of switch on DT HTC unc adjustable range OFF 2 C 20 C factory setting is 8 At UU m LI C P Press ESC button to exit this setting parameter is saved automatically e WT m li rc Ai H LI gt Press button DT 1F 04 C displays on screen the first switch off temperature difference can be set gt Press SET button 04 C blinks Press button to adjust the value of switch off DT adjustable range 0 C ON 2 C factory set is 4 C gt Press ESC to exit menu or wait for 20 seconds to exit automatically the setup parameters are saved automatically Note As every system is different to each other maximum 3 sets temperature difference DT10 DT1F DT2o DT2F DT 3o DTSF can be set setting steps are same like above description 6 3 TEMP Temperature For every system the factory set parameters 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 componen
71. this function lul om and OSDC ONT displays on the screen start to save data i t i h i KA i mt now gt Press SET button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 10 2 LOGI Data save intervals Description By this function SD card can save data in every 60 seconds factory default time 60 seconds Setup steps HEEL IL Cit X To select menu LOGI LOGI 60 displays on the screen inim e P Press SET button to access program LOGI 60 appears and 60 blinks gt Press button to adjust data save interval adjustable range 01 1200 seconds gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically Note if SD card is used data log is stopped and card signal will appears on the screen if SD card is full then card signal blinks 62 SR1168 operation manual FSYS File system error FAT32 RTIME Left log time in days LOGI Data save interval in minutes LOGG LOG is possible 6 11 UNIT Display unit C and F switches Setup steps To select menu UNIT UNIT displays on the screen gt Press SET button to access program UNIT C appears and C blinks gt Press button to switch unit between C and F factory set is C gt Press ESC button to exit the menu or wait for 20 seco
72. time sections The first time section pump works at 05 00 and stops at 07 00 The second time section pump works at 11 00 and stops at 13 00 The third time section pump works at 17 00 and stops at 22 00 If user wants to switch off any time section then just set the start time and close time with same time e g starts at 05 00 and close also at 05 00 Note e Temperature controlled DHW function is prior to time controlled DHW e When T4 is installed on the return pipe of hot water controller will automatically turn off the time controlled function inverse to use temperature control DHW e n order to avoid large measuring error the sensor T4 on hot water return pipe should be installed 1 5m far away from tank This function isn t available in all systems 32 SR1168 operation manual 6 function operation and parameter setup engineer grade 6 1 Access main menu Under standby doing like following to access main menu 17 5 gt Press SET button then press button until PWD 0000 appears on the screen then repress SET button the left first digital blinks ask for entering password factory default set password is 0000 gt Press button to enter first digital of password gt Repress SET button the second digital blinks 17 5t P Repress password button to enter second digital of E T aa gt Repeat press SET button the third digital blinks 17 5 tt gt Repre
73. ts after setting UB s SR1168 operation manual Note 1 Parameters that can be set rely on the selected system not all the parameters can be adjusted in every solar system 2 Because of different of system the content of following submenus is also different Following submenu can be access though TEMP main menu Factory Function Code Function of temperature Adjustable range sel exit tem Paragraph 6 3 1 Collector maximum switch off temperature e SET ER 130 C Collector maximum switch on temperature 80 C OF 3 C 120 C CMX Maximum limited collector temperature 709 C 190 C 410 C 107 C 6 3 3 collector cooling function p D Maximum switch off temperature for heat MIN1 2 C 95 transferring between storage and heating C loop el D 3 6 3 2 CMN 6 3 4 CFR 6 3 5 REC OFF 6 3 6 60 C 58 C 6 3 7 60 C Minimum switch on temperature for heat T transferring between storage and heating C MAX1 2 loop 30 C Maximum switch off temperature for heat Dean transferring between storage and heat ene Bees 60 C exchanger Minimum switch on temperature for heat C MAX2 2 transferring between storage and heat exchanger TOON Switch on temperature for pump transferring heat from storage 1 to storage 60 C 90 C 8 2 T2OFF Switch off temperature for pump transferring heat from storage 1 to storage 0C ON 2 C 2 T4ON Switch on temperature for pump transferring heat from stor
74. tton 07 of hour time blinks on screen gt Press button to adjust hour P Press SET button 00 of minute time blinks on the screen gt Press button to adjust minute of time gt Repress SET button 15 Min blinks on the screen 29 SR1168 operation manual P Press button to adjust interval time of DHW pump gt Then press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically P Press button access the second schedule set tC 20 11 00 appears now can set the second turn on time Lf oJ Uu gt Press SET button again 11 of hour time blinks on CI I T A ek Screen T P Press button to adjust hour of time gt Repress SET button again 00 of minute time blinks on screen UN per a JL Se LE T UJ LI P Press button to adjust minute of time P Repress SET button temperature 03 Min blinks on Screen gt Press button to set the running time of DHW circuit pump gt Press ESC to exit this submenu P Press button tC 2F 13 00 displays on the screen to access the menu to set the second turn off time of cllk E E DHW pump gt Press SET button 13 of hour time blinks on screen gt Press button to adjust hour P Press
75. tup steps To access main menu TEMP then select submenu MAX2 MAX2 60 C displays on screen gt Press SET button parameter 60 C blinks O gt Press button to adjust the value of maximum SET switch off temperature adjustable range is MIN2 2 C 95 C default set is 60 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 12 MIN2 Minimum switch on temperature for heat transferring between tank and heat exchanger Setup steps To access main menu TEMP then select submenu MIN2 MIN2 30 C displays on screen gt Press SET button parameter 30 C blinks l CH lut TIC Peru button to adjust the value of maximum sert Press switch off temperature adjustable range is 10 C MAX2 2 C default set is 30 C gt Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 6 3 13 T2ON Switch on temperature for pump transferring heat from storage 1 to storage 2 Description Note this function is only used in system SCH9 When T2 reaches to the preset switch on temperature T2ON then circuit pump P2 is triggered to transfer heat from tank 1 to tank 2 when T2 drops to the switch off temperature T2OFF circuit pump P2 is stopped Setup steps To access main menu TEMP then select submenu T2ON
76. ure 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 tank temperature is already to its maximal temperature And solar pump works until the temperature of collector drops because of this reversed circulation or when tank temperature rises its emergency temperature 95 C M 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 37 SR1168 operation manual gt Press SET button 110 C blinks luv UL Se l LIANA I button to adjust collector limited maximum is

Operating manual of Controller SR1168 For split pressurized solar

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