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Instruction of SR81 Split Pressurized Solar Hot Water System

Page 25 of 59

selectable (Default is 2

C), for example, when tank maximum temperature is set to 70

then at 68

C, Maximum tank temperature protection function is deactivated automatically.

Menu Structure

Main

menu

Subme

Factor

y set

Adjustabl

e range

Step per

adjust

Description

LOAD

Tank heating

DTO

1-50K

0.5K

Switch-on temperature difference of

tank heating

DTF

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

1-20K

Temperature increase range for pump

speed adjust

SMX

℃

4-95

℃

Maximum temperature of tank

SMAX

S2. S3

Sensor for Maximum temperature of

tank ( S3 for T3, S2 for T2)

HYST

0.1-10K

0.1K

Hysteresis of maximum temperature

of tank

Setup the function

► Select “LOAD” main menu

► Press “SET”, “DTO 6K” displays on the screen

► Press “SET”, “6K” blinks

► Press” +/-”, to adjust the switch-on temperature of the solar circuit pump

Содержание SR81Q

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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