SUNFLOWER SR868C8 Installation And Operating Manual Download Page 1

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Summary of Contents for SR868C8

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Page 2: ... menu 13 4 2 Access submenu 13 4 3 Main menu DT O DT F Temperature difference function 14 4 4 Main menu THET timing heating 15 4 5 TEMP Temperature main menu 18 4 5 1 EM Emergency collector temperature emergency switch off temperature of collector 19 4 5 2 CMX Maximum limited collector temperature collector cooling function 19 4 5 3 CMN low temperature protection of collector 20 4 5 4 CFR frost pr...

Page 3: ...p interval time 31 4 6 5 2 tRUN Pump running time 31 4 6 6 BYPR High temperature by pass function tank temperature automatically adjusting 31 4 7 HND Manual mode 32 4 8 PASS Password setting 33 4 9 LOAD Recovery to factory setting 34 4 10 ON OFF button 35 4 11 Holiday function 35 4 12 Manual heating 36 4 13 Temperature query function 36 5 Protection function 37 5 1 Memory Protection 37 5 2 Screen ...

Page 4: ...cialists 1 2 About this manual This manual describes the installation function and operation of a solar thermal controller When installing the remaining components e g the solar collectors pump assemblies and the storage unit are sure to observe the appropriate installation instructions provided by each manufacturer Only trained professional personnel may only perform installation electrical conne...

Page 5: ...cked the text and pictures of this manual and provided the best of our knowledge and ideas however inevitable errors maybe exist Please note that we can not guarantee that this manual is given in the integrity of image and text they are just some examples and they apply only to our own system Incorrect incomplete and erroneous information and the resulting damage we do not take responsibility 1 5 ...

Page 6: ...h an additional plug which should have minimum 3mm distance between the pole of the plug or effective compliance with the provisions of the installation For example switch or fuse please note that it should be separated between the wires and use AC power 2 1 Installing the display unit of controller Take away the back cover plate of display unit by screwdriver see picture Fix the back cover plate ...

Page 7: ...ectricity supply Open close the cover of terminal Loosen the screw move cover upwards and take away the cover Close the cover downwards close cover fix cover by using screw 2 4 Power connection Power can only be switched on when the house of controller is closed an installer must make sure that the IP protection class of the controller is not damaged during installation Depending on the type of in...

Page 8: ...le wire must be fastened on the case using the clamps provided 2 5 Terminal connection Before to open the terminal please be sure to switch off the power supplier and pay attention to the local electricity supply rules Terminal layout FUSE 2A 250V Power connection Power connection terminal is Input ports Ground line terminal is GND Display connection Port 1 connect red wire 12V Port 2 connect whit...

Page 9: ... 1 5meter PVC cable and they are temperature resistant up to 105 not necessary to distinguish the positive and negative polarity of the sensor connection All sensor cables carry low voltage and to avoid inductive effects must not be laid close to 230 volt or 400 volt cables minimum separation of 100mm If external inductive effects are existed e g from heavy current cables overhead train cables tra...

Page 10: ...er firstly it will ask for to set the time password and parameters of system 3 1 Set time week Press Clock button time displays on screen hour selection area 00 blinks on display screen Press button to set hour of clock Press Clock button again minute area 00 blinks Press button to set minute of clock Press Clock again week area MO blinks Press button to set week Press ESC button to exit set progr...

Page 11: ... of solar water controller SR868C8 SR868C8Q 10 3 2 Menu structure Menu of controller SR868C8Q Menu of controller SR868C8 Submenu Through submenu customer can set the parameter as desired value please check it carefully ...

Page 12: ...nk REC Tank re cooling function C F Celsius and Fahrenheit temperature transferring FUN Auxiliary function DVWG Anti legionnaires function CIRC Temperature controlled hot water circulation pump nMIN Speed controlling of circulation pump RPM pump controlling Only available on controller SR868C8Q DTS Standard temperature difference for circulation pump speed adjust RIS Increase scale circulation pum...

Page 13: ...n the solar circuit pump P1 is switched off Back up heating by auxiliary boiler detailed see paragraph 4 4 Within the preset time section of back up heating if the temperature T3 is below the switch on temperature then the circulation pump H1 of back up heating is triggered when T3 is heated to the switch off temperature circulation pump H1 of back up heating is ceased Note T3 is alternative senso...

Page 14: ...n to enter first digital of password Press SET button again the second digital blinks Press button button to enter second digital of password Press SET button again the third digital blinks Press button to enter the third digital of password Press SET button again the fourth digital blinks Press button to enter the fourth digital of password Press SET button again to access main menu Press button ...

Page 15: ...ommend to use default set Switch on and switch off DT are alternating set To avoid mistake the minimum difference between two temperature differences ΔTon ΔToff is set as 2 o C Setup the switch on temperature difference Under standby status access main menu DT O Press SET button to access settings program of DT O DT O 08 displays on screen 08 blinks the switch on temperature difference can be set ...

Page 16: ...f temperature adjustable range ON 2 80 If you want to shut off one timing heating then you can set the turning on time and turning off time same value for example the second time section no this function then you can set turning on off time is 10 00 10 00 When time is outside of the preset time section back up heating doesn t work automatically even when the tank temperature reaches the switch on ...

Page 17: ...st hour of time Repress SET button 00 of minute time blinks on screen Press button to set minute of time Repress SET button temperature 45 blinks on screen Press button to set switch off temperature of heating Press ESC to exit this set program parameters are saved automatically Press button tH 2o 10 00 displays on screen the switch on time and temperature for the second time section of heating fu...

Page 18: ...links on screen Press button to adjust minute of time Repress SET button temperature 50 blinks on screen Press button to adjust switch on temperature of heating Press ESC to exit this set program and to the switch off time and temperature set Press button tH 3F 22 00 displays on screen the switch off time and temperature of the third time section of heating function can be set Press SET button 22 ...

Page 19: ...rs can be adjusted in a solar system Following submenu can be access though TEMP main menu EM Emergency collector temperature Emergency switch off temperature of collector 4 5 1 CMX Maximum limited collector temperature collector cooling function 4 5 2 CMN low temperature protection of collector 4 5 3 CFR frost protection of collector 4 5 4 SMX Maximum temperature of tank 4 5 5 REC Tank re cooling...

Page 20: ...reen Press SET button parameter 130o C blinks on the screen Press button to adjust the EMOF temperature adjustable range ON 3o C 200o C factory set is 130o C Repress SET button activate and deactivate this function if deactivate the function EMOF displays on screen Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameter is saved automatically EMON collector maximum...

Page 21: ...aximal temperature And solar pump works until the temperature of collector drops since this reversed circulation or when tank temperature rises its emergency temperature 95o C When displays and blinks on the screen it indicates that tank emergency temperature reaches tank temperature is 95 Setup steps To access main menu TEMP then select submenu CMX CMX 110 displays on screen Press SET button para...

Page 22: ...e saved automatically CMN signal displays on screen it indicates that this function is in activated 4 5 4 CFR frost protection of collector Description In winter when the temperature of collector is below the preset frost protection temperature factory set is 4 o C Solar circuit pump is triggered Besides when tank temperature T2 drops to 4o C electrical heater is triggered automatically and it is ...

Page 23: ...er will check whether the temperature T3 of top part of tank is higher than maximum temperature of tank when T3 is higher than preset SMX temperature solar pump is ceased even at the case that DT caters condition When tank temperature drops and is 2o C below the SMX solar pump restarts when DT caters condition Setup steps To access main menu TEMP then select submenu SMX SMX 60 displays on screen P...

Page 24: ...it temperature transferring Setup steps To access main menu TEMP then select submenu C F C F displays on screen Press SET button parameter blinks on the screen Press button to select between Celsius and Fahrenheit temperature factory set is Press ESC button to exit menu or wait for 20 seconds to exit automatically parameters are saved automatically 4 6 FUN Auxiliary function The auxiliary function...

Page 25: ...X Flow rate 4 6 4 1 MEDT Type of heat transfer liquid 4 6 4 2 MED Concentration of anti freezing liquid 6 4 3 INTV Pump interval function 4 6 5 tRUN Pump interval time 4 6 5 1 tSTP Pump running time 4 6 5 2 BYPA High temperature by pass function tank temperature automatically adjusting 4 6 6 4 6 1 DVWG Anti Legionella function Description In order to avoid occurring bacteria in water tank when the...

Page 26: ...perature is 40o C when return temperature T4 drops to 35o C circulation pump P2 is triggered when T4 rises up to 40o C circulation pump P2 is ceased Condition for triggering hot water circulation pump only when tank temperature T3 is 1o C higher than the required hot water temperature hot water circulation pump just can be triggered T3 is alternative sensor when no sensor T3 is installed in the to...

Page 27: ...ntinuously adjusted and the volume flow pumped is increased or reduced depending on the temperature difference Setup steps To access main menu FUN then select submenu nMIN nMIN 30 displays on screen Press SET button parameter 30 blinks on the screen Press button to adjust speed of circuit pump adjustable range 30 100 factory set is 30 Press ESC button to exit the menu or wait for 20 seconds to exi...

Page 28: ...menu RIS RIS 01o C displays on screen Press SET button parameter 01o C blinks on the screen Press button to adjust increase rate of RIS of temperature difference adjustable range 1 20 factory set is 1o C Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 4 6 4 OHQM Thermal energy measuring Note SR868C8 doesn t have this function Descri...

Page 29: ...urrent day DKWH XX SET displays on the screen Press SET button for 3 seconds buzzer makes 3 times du the daily thermal energy is cleared and daily thermal energy is reset to 00 Press button select to check accumulative thermal energy KWH XX or MWH XX SET displays on the screen Press SET button for 3 seconds buzzer makes 3 times du the sum thermal energy is cleared accumulative thermal energy is re...

Page 30: ...d 00 Water 01 Propylene glycol 02 Glycol 03 Tyfocor LS G LS Setup steps To access main menu FUN then select submenu MEDT MEDT 01 displays on screen Press SET button parameter 01 blinks on the screen Press button to adjust type of heat transfer liquid adjustable range 00 03 Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 4 6 4 3 MED ...

Page 31: ...ime is 06 00 20 00 During the period that solar pump is in operating the period of running time can be set by parameter tRUN controlled check the temperature signal of sensor if the temperature increases less than 1o C then solar pump is ceased automatically After the break time interval can be set by parameter tSTP same process repeats During the period that solar pump is in operating if measured...

Page 32: ... range 5 120 seconds Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 4 6 6 BYPA High temperature by pass function tank temperature automatically adjusting Description High temperature bypass role is independent of the solar system s operation the extra thermal energy of tank can be transferred to other application through this funct...

Page 33: ...menu or wait for 20 seconds to exit automatically parameters are saved automatically This signal displays on the screen it indicates by pass function is activated Application example Picture1 Picture2 4 7 HND Manual mode When using this controller first time or when debugging this controller output of this controller P1 P2 R1 H1 can be triggered manually On OFF control Setup steps To access main m...

Page 34: ...ly set Press SET button HND3 on displays on the screen R1 output is switched on Repress SET again HND3 off displays R1 output is switched off Press ESC to exit R1 set program Press button HND4 off displays on the screen H1 output manually set Press SET button HND4 on displays on the screen H1 output is switched on Repress SET again HND4 off displays H1 output is switched off Press ESC to exit H1 s...

Page 35: ...splays on the screen ask for reentering the new password doing like above to reenter the new password PWOK displays on the screen to indicate reentering password successfully Press ESC button to exit set program or wait for 20 seconds to exit automatically Warning If the password is forgot it is not possible to recover but you can recover the password to factory set then you can reedit a password ...

Page 36: ...d storage tank The function is activated at night between 10 pm and 6 am when the collector temperature drops 8 below the storage tank temperature T2 solar circuit pump starts to work when the temperature of collector is 2 below the tank temperature and solar circuit pump is ceased Activate this function if You intend to be absent for an extended period holiday No hot water is required for an exte...

Page 37: ...0 After 20 seconds this function is activated signal displays on the screen and heating signal blinks also Press Heating button again to switch off manual heating function Note manual heating can only heat tank one time after manual heating is triggered when temperature of tank rises up to the preset temperature manual heating ceases and manual heating function will be deactivated automatically if...

Page 38: ...on 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 6 Trouble shooting 6 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 ...

Page 39: ...age on LCD screen Meaning Cause of error Error rectification T0 T0 sensor problem Sensor wiring interrupted not connected or short circuit Check resistance value replace Thermal measuring function is switched on T0 sensor not connected Connect T0or switch off this function OHQM T1 T1 sensor problem Sensor wiring interrupted not connected or short circuit Check resistance value replace T2 T2 sensor...

Page 40: ... power supply is interrupted or program is out of work Check the controller power cable Press reset button The solar pump doesn t operate despite the fact that switch on conditions are satisfied The pump symbol in the display blinks Pump power supply is interrupted Check the pump power cable Pump doesn t operate The pump symbol in the display doesn t blink Lighted or blinks The maximum storage tan...

Page 41: ...e measured and the value compared with the figures in the table below small deviation 1 is acceptable PT1000 resistance value 0 10 20 30 40 50 60 70 80 90 100 110 120 Ω 1000 1039 1077 1116 1155 1194 1232 1270 1309 1347 1385 1422 1460 NTC 10K B 3950 resistance value 0 10 20 30 40 50 60 70 80 90 100 110 120 Ω 33620 20174 12535 8037 5301 3588 2486 1759 1270 933 697 529 407 7 Quality Guarantee Manufac...

Page 42: ...Suitable power of pump 3个 600W 3个 600W Suitable power of electrical heater 1个 1500W 1个 1500W Inputs 2 x Pt1000 sensor 500o C for collector silicon cable 280o C 3 x NTC10K B3950 sensor 135o C for tank PVC cable 105o C 1 x Pt1000 sensor 500o C for collector silicon cable 280o C 2 x NTC10K B3950 sensor 135oC for tank PVC cable 105o C Outputs 3 relays for circulation pumps or 3 way electromagnetic val...

Page 43: ...llector high accuracy PT1000 sensor A01 Parameter PT1000 Ф 6X50mm Sensor for tank high accuracy NTC 10K sensor A02 Parameter NTC10K B 3950 Ф 6X50mm Thermowell of sensor stainless thermowell A05 Parameter 1 2 male thread Ф 8X200mm Contactor unit of high power SR802 When user selects electrical heater as back up device we recommend using SR802 unit connecting controller and electrical heater Technic...

Page 44: ...Operation manual of solar water controller SR868C8 SR868C8Q 43 SR802 CONNECTION DIAGRAM ...

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SUNFLOWER SR868C8, Installation And Operating Manual

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