Table of Contents
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Table of Contents
Related Manuals for SUNFLOWER SR868C8
Summary of Contents for SUNFLOWER SR868C8
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Page 2: Table Of Contents
Operation manual of solar water controller SR868C8/SR868C8Q Contents Contents----------------------------------------------------------------------------------------------------1 1. Safety information ----------------------------------------------------------------------------------3 1.1 Installation and commissioning -----------------------------------------------------------------3 1.2 About this manual ----------------------------------------------------------------------------------3 1.3 Liability waiver ---------------------------------------------------------------------------------------3 1.4 Important remark------------------------------------------------------------------------------------4 1.5 Description of symbols----------------------------------------------------------------------------4 1.6 Description of operation button------------------------------------------------------------------4 2. Installation --------------------------------------------------------------------------------------------5 2.1 Installing the display unit of controller ---------------------------------------------------------5... - Page 3 Operation manual of solar water controller SR868C8/SR868C8Q (for circuit pump’s speed adjusting)----------------------------------------------26 4.6.3.2 RIS Temperature increase rate (for circuit pump speed adjusting)-----------------------------------------------27 4.6.4 OHQM Thermal energy measuring-----------------------------------------------------27 4.6.4.1 FMAX Flow rate---------------------------------------------------------------------------28 4.6.4.2 MEDT Type of heat transfer liquid----------------------------------------------------29 4.6.4.3 MED% Concentration of heat transfer liquid -----------------------------29 4.6.5 INTV Pump interval function-------------------------------------------------------------30...
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Page 4: Safety Information
Operation manual of solar water controller SR868C8/SR868C8Q 1. Safety information 1.1 Installation and commissioning -• When laying cables, please ensure that no damage occurs to any of the constructional fire safety measures presented in the building. • The controller must not be installed in rooms where easily inflammable gas mixtures are present or may occur. -
Page 5: Important Remark
Operation manual of solar water controller SR868C8/SR868C8Q 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. -
Page 6: Installation
Operation manual of solar water controller SR868C8/SR868C8Q Button description Power indicating light “On/off” button “Clock” button “Holiday” button(SR868C8 have no such function) “Heating”- manual heating button “Recovery” button “ESC”, exit program setup “SET” confirm button “+” Parameter adjust button “-” Parameter adjust button LCD display screen 2．Installation... -
Page 7: Preparing Before Wire Connection
Operation manual of solar water controller SR868C8/SR868C8Q Fixing the hang-panel of controller ►Choose a suitable site ►Mark the position of hole ►Drill the fixing hole, insert the expansion screw ►Fix the hanging plate by using screw ►Press the control unit on the hanging plate 2.3 Preparing before wire connection... -
Page 8: Terminal Connection
Operation manual of solar water controller SR868C8/SR868C8Q Cable come from the below⑤: 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 2.5 Terminal connection... - Page 9 Operation manual of solar water controller SR868C8/SR868C8Q Port 3: connect black wire ( GND) Note: please lead wire into indoors, and fix the cable outdoors. Sensor input ports Input sensor ports T0, T1: for Pt1000 sensors, used for measuring the temperature of collector and measuring the heat output.
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Page 10: Commissioning
Operation manual of solar water controller SR868C8/SR868C8Q Output H1：for back-up electrical heater, electromagnetic relay, and max. switching current 10A, H1 connection ports are always open. 3. 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 parameters of system. -
Page 11: Menu Structure
Operation manual of solar water controller SR868C8/SR868C8Q 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. --------------------------------------------------------------------------------------------------------------------------------------------------- - 10 -... -
Page 12: Menu Description
Operation manual of solar water controller SR868C8/SR868C8Q 3.3 Menu description Code Code Code (Subme Menu Description Remark （Mainmenu） (Submenu) DT O Switch-on temperature difference DT F Switch-off temperature difference THET Timing heating TEMP Temperature Collector EMOF maximum switch-off temperature Collector... -
Page 13: System Description
Operation manual of solar water controller SR868C8/SR868C8Q 3.4 System description 1 collector array – 1 storage tank – 1 pump and auxiliary heating Description: The solar circuit pump (P1) is switched on as soon as the switch-on temperature difference (△Ton) between the collector array (T1) and the storage tank (T2) is reached. -
Page 14: Controller Functions
Operation manual of solar water controller SR868C8/SR868C8Q T3: Temperature sensor in the top part of tank (NTC10K,optional sensor) T4: Temperature sensor on hot water circulation pipe (NTC10K,optional sensor) P1: Solar circuit pump P2: Hot water circuit pump (optional output) R1: High temperature by-pass pump or valve (optional output) H1: output for back-up electrical heater 4．Controller functions... -
Page 15: Main Menu Dt O & Dt F Temperature Difference Function
Operation manual of solar water controller SR868C8/SR868C8Q 4.3 Main menu DT O & DT F Temperature difference function Description: Solar circuit pump P1 is triggered by the temperature difference function, so long as the temperature difference between collector and tank reaches the switch-on DT, solar circuit pump is triggered. -
Page 16: Main Menu-Thet Timing Heating
Operation manual of solar water controller SR868C8/SR868C8Q 4.4 Main menu - THET timing heating Description: Electrical heater, gas boiler or oil boiler can be integrated into solar system used as back-up of system, and they can be triggered automatically at preset time by preset temperature. - Page 17 Operation manual of solar water controller SR868C8/SR868C8Q can be set ►Repress “SET” button, “04” of hour time blinks on screen ►Press “+”“-” button to adjust hour of time ►Repress “SET” button again, “00” of minute time blinks on screen ►Press “+”“-” button to adjust minute of time ►Repress “SET”...
- Page 18 Operation manual of solar water controller SR868C8/SR868C8Q temperature of second time section of heating function ►Press “SET” button, “10” of hour time blinks on screen ►Press “+”“-” button to adjust hour of time ►Repress “SET” button, “00” of minute time blinks on screen ►Press “+”“-”...
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Page 19: Temp Temperature Main Menu
Operation manual of solar water controller SR868C8/SR868C8Q If customer use electrical heater as back-up, please according to the power of electrical heater to equip corresponding safety devices like contactor and breaker with this controller, we strongly recommend equipping with SR802... -
Page 20: Emergency Switch-Off Temperature Of Collector
Operation manual of solar water controller SR868C8/SR868C8Q 4.5.1 EM Emergency collector temperature(Emergency switch-off function) Function description: When temperature of collector rises up to the preset maximum switch-off temperature, collector emergency switch-off function is activated. As the result of this function, solar circulation pump is stopped,it avoids the damage of system components caused by over-heated temperature. -
Page 21: Cmn Low Temperature Protection Of Collector
Operation manual of solar water controller SR868C8/SR868C8Q 4.5.2 CMX Maximum limited collector temperature (collector cooling function) Function description: The collector cooling function delays the vaporization of the heat transfer fluid. Shortly before reaching the maximum temperature of the collector, the solar pump starts working in order to cool down the heat transfer fluid using the heat losses occurring in pipelines and storage cylinder. -
Page 22: Cfr Frost Protection Of Collector
Operation manual of solar water controller SR868C8/SR868C8Q exceeds switch-on temperature difference, solar pump doesn’t work yet. When temperature of collector is 3 C higher that the preset CMN temperature, solar circuit pump is restarted, controller exits this program. Setup steps: To access main menu TEMP, then select submenu CMN, “CMN - - -”... -
Page 23: Smx Maximum Temperature Of Tank
Operation manual of solar water controller SR868C8/SR868C8Q ►Press “+”“-” button, to adjust the frost protection function, adjustable range is （-10℃～10℃）， after function activated, default set is 4℃ ► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. -
Page 24: C-F Celsius And Fahrenheit Temperature Transferring
Operation manual of solar water controller SR868C8/SR868C8Q collector, solar pump keep in working until tank 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. -
Page 25: Dvwg Anti-Legionella Function
Operation manual of solar water controller SR868C8/SR868C8Q Example to explain: If you set thermal energy measuring parameter (OHQM) is off, that means this function is deactivated, then, FMAX, MEDT and MED% functions are disappeared in the submenu, only when this function (OHQM) is activated, they are just appear in the submenu. -
Page 26: Circ Temperature Controlled Hot Water Circulation Pump
Operation manual of solar water controller SR868C8/SR868C8Q ►Press “SET” button, parameter” OFF” blinks on the screen. ►Repress“+”“-”button, “DVWG ON” blinks on the screen, function is triggered. ►Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. -
Page 27: Nmin Solar Circulation Pump Speed Adjusting (Rpm Speed Controlling)
Operation manual of solar water controller SR868C8/SR868C8Q ► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. 4.6.3 nMIN Solar circuit pump speed adjusting（RPM speed controlling） Note: SR868C8 doesn’t have this function... -
Page 28: Ris Temperature Increase Rate (For Circuit Pump Speed Adjusting)
Operation manual of solar water controller SR868C8/SR868C8Q achieve the controlling of pump speed. If temperature difference drops to the switch-off TD(△T OFF), circuit pump is ceased. Setup steps: To access main menu FUN, then select submenu DTS, “DTS 08 C” displays on the screen ►Press “SET”... -
Page 29: Fmax Flow Rate
Operation manual of solar water controller SR868C8/SR868C8Q DKWh, accumulative thermal energy displays in kWh or MWh. Setup steps: To access main menu FUN, then select submenu OHQM, “OHQM OFF” displays on screen, Factory set is OFF ►Press “SET” button, parameter “OHQM OFF”... -
Page 30: Medt Type Of Heat Transfer Liquid
Operation manual of solar water controller SR868C8/SR868C8Q To access main menu FUN, then select submenu FMAX, “FMAX 2.0” displays on screen. ►Press “SET” button, parameter “2.0” blinks on the screen ►Press “+”“-” button to adjust parameter of flow rate. adjustable range（0.1～20）... -
Page 31: Intv Pump Interval Function
Operation manual of solar water controller SR868C8/SR868C8Q ►Press “+”“-”button to adjust concentration, adjustable range (20～70） ► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. 4.6.5 INTV Pump interval function Note: SR868C8 doesn’t have this function... -
Page 32: Tstp Pump Interval- Time
Operation manual of solar water controller SR868C8/SR868C8Q 4.6.5.1 tSTP Pump interval- time Note: SR868C8 doesn’t have this function Setup steps: To access main menu FUN, then select submenu tSTP, “tSTP 30” displays on screen. ►Press “SET” button, parameter “30” blinks on screen, factory set is “30”... -
Page 33: Hnd Manual Mode
Operation manual of solar water controller SR868C8/SR868C8Q Setup steps: To access main menu FUN, then select submenu BYPR, “BYPR - - -” displays on screen. ►Press “SET” button, “- - -”blinks on screen, default set is “OFF” ►Repress “SET” button, to activate by-pass function, “BYPR 80℃”... -
Page 34: Pass Password Setting
Operation manual of solar water controller SR868C8/SR868C8Q displays, P1 output is switched-off ►Press “ESC” to exit set program ------------------------------------------------------------------------------------------------------------------ ►Press “+” button, “HND2 off” displays on the screen, P2 output manually set ►Press “SET” button, “HND2on” displays on the screen, P2 output is switched-on ►Repress “SET”... -
Page 35: Load Recovery To Factory Setting
Operation manual of solar water controller SR868C8/SR868C8Q ►Press “SET” button, “PWDC 0000”, the left digital blinks, ask for to enter the password, factory set is “0000” ►Press “+”“-” button to enter the first digital ►Repress “SET” button, the second digital blinks ►Press “+”“-”... -
Page 36: On/Off Button
Operation manual of solar water controller SR868C8/SR868C8Q ►Hold down “SET” button, buzzer makes “du - - -” 3 times, then release “SET” button. Controller recovers to factory set, new paramters can be reset now. ►Press “ESC” button to exit set program or wait for 20 seconds to exit automatically. -
Page 37: Manual Heating
Operation manual of solar water controller SR868C8/SR868C8Q 4.12 Manual heating Description: Electrical heater, gas or oil boiler can be as back-up devices in a solar system, this controller can achieve constant temperature controlling, when controller gets temperature signal of top part tank (T3) is 2℃ below the preset temperature, back-up heating will be triggered. -
Page 38: Protection Function
Operation manual of solar water controller SR868C8/SR868C8Q (DKWH) and accumulative thermal energy (KWH) or (MWH) can only be checked after triggering of OHQM thermal energy balance function. Press “+”“-” button can check the value of temperature sensors T1~ T4. -
Page 39: Trouble Checking
Operation manual of solar water controller SR868C8/SR868C8Q Error Meaning Cause of error Error rectification message on LCD screen Sensor wiring interrupted, Check resistance T0 sensor problem not connected or short value, replace T0 - - - circuit Thermal Connect T0or... - Page 40 Operation manual of solar water controller SR868C8/SR868C8Q 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.
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Page 41: Quality Guarantee
Operation manual of solar water controller SR868C8/SR868C8Q The solar The pump symbol in Holiday function or No problem, it is pumps the display blinks. Frost protection normal. If necessary operated, function or tank to deactivate the despite the re-cooling function... -
Page 42: Technical Data
Operation manual of solar water controller SR868C8/SR868C8Q 8. Technical data Type SR868C8Q SR868C8 Specification Appearance of 120mm×120mm×18mm 120mm×120mm×18mm controller Power supply AC230V± 10% AC230V± 10% ＜ 3W ＜ 3W Power consumption Accuracy of temperature ± 2 ± 2 measuring Range of collector temperature -10～220... -
Page 43: Delivery Scope
Operation manual of solar water controller SR868C8/SR868C8Q 9. Delivery scope Type SR868C8Q SR868C8 Lists Display Controller Operation manual PT1000 sensor (size：Ф 6*50mm,cable length1.5m） NTC10K（size：Ф 6*50mm,cable length3m） Plastic expansion screw Screw Strain-relief clamp 10. Device matchable to this controller Sensor for collector: high accuracy PT1000 sensor(A01) Parameter: PT1000, Ф... - Page 44 Operation manual of solar water controller SR868C8/SR868C8Q SR802 CONNECTION DIAGRAM: --------------------------------------------------------------------------------------------------------------------------------------------------- - 43 -...
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