SUNFLOWER SR81Q Operation Instruction Manual Download Page 1

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Operation Instruction

SR81Q

Intelligent Controller

for Split Pressurized Solar Hot Water System

Please read this instruction carefully!

Summary of Contents for SR81Q

Page 1: ...Operation Instruction SR81Q Intelligent Controller for Split Pressurized Solar Hot Water System Please read this instruction carefully...

Page 2: ...connection 7 3 5 Terminal connection 8 3 6 R3 output connection with T valve pump 10 3 7 Connection with high efficiency pump 10 4 System description Standard solar system with 1 tank 1 collector fiel...

Page 3: ...rmal energy measuring 46 8 12 FS Flow meter option and flow rate monitoring 49 8 13 UNIT Switch 52 8 14 RET Reset 52 8 15 PASS Password set 53 8 16 Manual heating 54 8 17 ECO Economic mode 55 8 18 DHW...

Page 4: ...mounting of other devices of a completed solar hot water system like solar collector pump station and storage please is sure to observe the appropriate installation instructions provided by each manu...

Page 5: ...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 incorrect incomplete and erroneous information and th...

Page 6: ...ng Blinking Exceed the maximum temperature of storage SMX Running of storage emergency shutdown function Running of collector emergency shutdown function OCEM Running of collector cooling OCCO Running...

Page 7: ...ic ABS Mounting Wall mounting Operation 10 push buttons at the front cover Protection type IP40 Dimension of display 120 120 18mm Dimension of controller board 200 140 43mm Note there are 5 inputs for...

Page 8: ...hung housing plate on the wall and mark the upper fastening point Drill the holes and put the plastic expansion bolt into the holes Hang the housing plate on the screw and fasten it Hang the controlle...

Page 9: ...isconnect the controller from power supply and obey the local electrical supply regulation Input ports T1 PT1000 temperature sensor for measuring the temperature of collector T2 T6 NTC10K B 3950 tempe...

Page 10: ...0 o C connect the temperature sensors to the corresponding terminals with either polarity Only original factory equipped NTC10K B 3950 temperature sensors are approved for using with tank and pipe it...

Page 11: ...put connection with T valve pump 3 wires T Valve 2 wires T Valve Connection with pump R3 connect with T valve COM common terminal NO always open terminal NC always close terminal R3 connect with pump...

Page 12: ...f high efficiency pump is not connected with controller Some pumps connections are available as above for example Wilo Yonos PARA ST15 7 0 PWM2 M Grundfos UPM3 SOLAR 15 75 130 CZA Note 1 High efficien...

Page 13: ...Relay outputs Description T1 Collector temperature sensor PT1000 R1 For solar circuit pump T2 Temperature sensor on the bottom part of tank NTC10K R2 1 for DHW circuit function CIRC 2 OHDP Thermal en...

Page 14: ...time password and parameters of system Press Clock button Time displays on the screen hour 00 blinks on the display Press button to adjust hour Press Clock button again minute time 00 blinks on the d...

Page 15: ...ction checking At the normal operation mode press button you can view the temperature of collector and tank pump speed n1 accumulation running time of circuit pump hR1 daily thermal energy DKWh accumu...

Page 16: ...s up to the switch off thermostats temperature HR is ceased Set time sections and temperature for timing heating daily Factory set The first time section default at 4 00 to start heating and at 5 00 t...

Page 17: ...o heat tank to 30 o C Default at 14 00 of the second time section to trigger the back up heat device to heat tank to 35 o C Default at 15 00 of the third time section to trigger the back up heat devic...

Page 18: ...ction Function setting Press SET button to access main menu and select THET timing heating menu Press SET button to set parameter firstly to select the desired sensor for the heated tank THTS S3 displ...

Page 19: ...sign 1 Within the preset time section if timing heating isn t working heating sign is lighted on the screen 2 Within the preset time section if timing heating is working heating sign blinks on the sc...

Page 20: ...section starts at 11 00 stops at 13 00 runs 3 minutes then stops 15 minutes The first time section starts at 17 00 stops at 22 00 runs 3 minutes then stops 15 minutes Temperature controlled DHW pump...

Page 21: ...ops Note 1 Only one control Mode can be selected either time control mode or temperature control mode 2 If sensor T4 should be installed in order to avoid measuring error please ensure to install sens...

Page 22: ...he second time section t C2F 13 00 00 00 23 59 Switch off time for the second time section t C3O 17 00 00 00 23 59 Switch on time for the third time section t C3F 22 00 00 00 23 59 Switch off time for...

Page 23: ...example Press SET 40 o C blinks Press button to adjust the switch on temperature adjustable range 0 o C OFF 2 o C Press SET or ESC button to save the setting Press button CYCF 45 o C displays on the...

Page 24: ...at the second time section start time is set at 10 00 but close time is also set at 10 00 8 Function operation and parameter setup engineer 8 1 PWD Password Menu Structure Access main menu select PWD...

Page 25: ...the 100 speed and then pump speed is reduced to its lowest pump speed If the temperature reaches the set temperature difference TDS pump speed is increased 10 controller will adjust by parameter RIS...

Page 26: ...temperature difference of tank heating DTF 4K 0 5 49 5K 0 5K Switch off temperature difference of tank heating DTS 10K 1 5 50K 0 5K Temperature difference of pump speed adjust RIS 2K 1 20K 1K Tempera...

Page 27: ...s SMX 70 o C displays on the screen Press SET 70 o C blinks Press to adjust the maximum temperature of tank Press SET or ESC to save the setting Press SMAX S3 displays on the screen Press SET S3 blink...

Page 28: ...n blinks on the screen system stops If the collector cooling is active blinks on the screen Note This function is only available when the heat transfer function OHDP is not activated OCMI Collector mi...

Page 29: ...olar pump R1 to push the hot water from tube collector to the position of sensor to avoid the delay measuring temperature If the running time is set over 10 seconds then within the first 10seconds pum...

Page 30: ...time of tube collector function TCEN 19 00 00 00 23 00 1min Stop time of tube collector function TCRU 30s 30 300s 1s Running time of tube collector function TCIN 30min 5 60min 1min Interval time of tu...

Page 31: ...FF blinks on the screen Press to activate this function OCMI ON displays on the screen Press OCMI 10 o C displays on the screen Press to adjust the minimum temperature of collector Press SET or ESC to...

Page 32: ...on the screen Press to adjust hour time Press SET 00 blinks on the screen Press to adjust minute time Press SET or ESC to save the setting Press TCRU 30 displays on the screen Press SET 30 blinks on...

Page 33: ...solar pump PHEA PWM profile heating pump 0 10 Speed control via 0 10 V signal Note 1 More information about connection of high efficiency pump see the paragraph 3 5 Connection with high efficiency pum...

Page 34: ...u Structure Main menu Subme nu 1 Subme nu 2 Factor y set Adjusta ble range Step per adjust Description PUMP Pump control mode ONOF ON ON OFF Pump on off standard pump control mode without pump speed c...

Page 35: ...tor OSYC System cooling Purpose of system cooling is to last the lifetime of a solar system this function will override the limitation of tank maximum temperature and enable collector to transfer the...

Page 36: ...on Heat transferring by external radiator function can control either an additional pump or a valve OTPM ON pump logic OTPM OFF valve logic Pump logic controlled thermal transferring function If the t...

Page 37: ...y set Adjustable range Step per adju st Description COO L Cooling function OSYC OFF ON OFF System cooling function OSTC OFF ON OFF Tank cooling function DTCO 20K 1 30K 0 5K Switch on temperature diffe...

Page 38: ...e setting Press DTCF 15K displays on the screen Press SET 15K blinks on the screen Press to adjust the switch off temperature difference of tank cooling function Press SET or ESC to save the setting P...

Page 39: ...stat function works independently from the solar operation and can be used for using surplus energy to reduce tank temperature or for using after heating to rise tank temperature Every day 3 heating t...

Page 40: ...00 00 23 59 Close time of the first time section t 2O 00 00 00 00 23 59 Start time of the second time section t 2F 00 00 00 00 23 59 Close time of the second time section t 3O 00 00 00 00 23 59 Start...

Page 41: ...00 displays on the screen Press SET hour 00 blinks Press to adjust hour of the start time of the first section Press SET minute 00 blinks Press to adjust minute of the start time of the first section...

Page 42: ...ess tA1O 00 00 displays Press SET hour 00 blinks Press to adjust the hour of start time of the first time section Press SET minute 00 blinks Press to adjust the minute of start time of the first time...

Page 43: ...menu MAN for R1 R2 R3 HR to set output On OFF Manually Note When manual mode is activated sign blinks on the screen controller runs for 15 minutes and then switch off all outputs control exits manual...

Page 44: ...Press SET OFF blinks Press to activate this function BLPR ON displays on the screen Press SET or ESC to save the setting 8 9 OTDI Thermal Sterilization Function Function description This function hel...

Page 45: ...Step per adjust Description OTDI OFF ON OFF Disinfection function PDIS 7d 0 30d 1d Time section of disinfection monitoring DDIS 10min 1 180 1min Heating time of disinfection TDIS 70 0 90 1 Temperatur...

Page 46: ...iption Controller enables a separated relay R3 and pump relay R1 to parallel control a motored valve or a pump If solar system runs R1 or if solar function is activated then the corresponding allocate...

Page 47: ...d value of flow estimated measuring Controller calculates thermal energy used parameters value from sensor T6 on flow pipe sensor T5 on the return pipe and enters a flow rate which get from fixed flow...

Page 48: ...ion of fluid medium T6 temperature on flow pipe TVFS temperature on return pipe If VFS is not connected will blinks on the screen Thermal energy measuring with rotated flow sensor FRT Under FTYP menu...

Page 49: ...ion OHQ M OFF ON OFF Thermal energy measuring FTYP Type of flow meter selection 1 1 Fixed flow meter 2 Grundfos flow sensor VFS 3 Rotated flow meter FRT FMA X 6L mi n 0 5 100L min 0 1 Flow rate enter...

Page 50: ...s to select the fluid medium Press SET or ESC to save the setting Press MED 45 displays Press SET 45 blinks Press to adjust the concentration of fluid medium Press SET or ESC to save the setting 8 12...

Page 51: ...sage appears it is possible to check the reason of VFS error under check menu 1 Checking menu L M display it indicates VFS function is activated but Grundfos flow meter VFS is not connected to the con...

Page 52: ...o select the measuring range of Grundfos flow meter Press SET or ESC to save the setting Press FLOW OFF displays Press SET OFF blinks on the screen Press to activate this function FLOW ON displays Pre...

Page 53: ...e Main men u Sub menu Factory set Adjustable range Description UNIT Unit Switch TEM P switch ENE G 1 Wh 1 Wh 2 BTU Thermal energy unit switch Function setting Select UNIT menu Press SET TEMP o C displ...

Page 54: ...n the screen Press SET YES blinks Press SET for 3 seconds beeper sounds di 3 times YES lighting and it indicates system is recovered to factory set Press ESC return to the submenu Press CHQM displays...

Page 55: ...r Hold down ESC button Reconnect the power supply when beeper sounds 3 di di di and then release ESC button Controller recovers to the factory set password factory set possword is 0000 8 16 Manual hea...

Page 56: ...n closed it indicates the ECO mode is off 8 18 DHW circuit pump triggered manually Note Only when function of DHW circuit pump CIRC is activated it is just possible to trigger the output R2 manually f...

Page 57: ...1 Memory function during power failure When power of controller is failed and when power is switched on controller will keep the parameters which set before power failure 9 2 Screen protection When no...

Page 58: ...orrect installation will not lead to failure When a user takes incorrect handling way incorrect installation improper or crude handling and wrong connection of Warm water outflow upwards we don t take...

Page 59: ...or for tank and pipe NTC10K B 3950 6 50mm with 3m cable A05 304 stainless steel thermo well 304 stainless steel with thread 1 2 OT Size 8 200 Digital flow meter FRT A17 Parameter thread male 3 4 A13 G...

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