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Solar working station operation manual SR881

- 24 -

►Press “SET” button again to access program

，

can adjust parameter value now

►Press “+”“-” button, to adjust the value of parameter

►Press “ESC” button, exit program of submenu

►Press “ESC” button again, to exit main menu.

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.

For example: the switch-on DT is 8

C, switch-off DT is 4

C, if the temperature in the bottom

part of tank 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 it is recommend using 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 2oC.

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.

►Press “+”“-” button, to adjust the value of switch-on DT,

adjustable range (OFF+2

℃）～

℃，

factory setting is 8

℃

►Press “ESC” button to exit this setting, parameter is saved automatically.

Setup the switch-off temperature difference:

Under standby status, access main menu DT F

►Press “SET” button, to access settings program of DT F, “DT F 04

℃

” displays on screen,

“04

℃

” blinks, the switch-off temperature difference can be set.

►Press “+”“-” button to adjust the value of switch-off DT,

adjustable range 0

℃～（

ON-2

℃），

factory set is 4

℃

►Press “ESC” to exit menu, or wait for 20 seconds to exit

Содержание SR881

Страница 1: ...Manual of Solar Pump Station SR881 2011 02 15 ...

Страница 2: ...ata 6 2 Mounting station 6 3 Commissioning of station 7 3 1 Flushing and filling the solar system 7 3 2 Flow check 8 3 3 Electrical connection 8 3 4 Accessories for the station A06 9 Manual of integrated controller of solar station 10 1 Safety information 10 1 1 Important remark 10 1 2 Description of symbols 10 1 3 Description of operation button 10 1 4 Terminal layout 11 2 Commissioning of integr...

Страница 3: ...ergency Shut Down Function 26 4 4 3 CMX Maximum limited collector temperature collector cooling function 26 4 4 4 CMN low temperature protection of collector 27 4 4 5 CFR frost protection of collector 28 4 4 6 SMX Maximum temperature of tank 29 4 4 7 REC Tank re cooling function 29 4 4 8 C F Celsius and Fahrenheit temperature switch 30 4 5 Main menu FUN Auxiliary function 30 4 5 1 DVWG Anti Legion...

Страница 4: ...ump running time 37 4 6 HND Manual mode 37 4 7 PASS Password setting 38 4 8 LOAD Recovery factory setting 39 4 9 On OFF button 39 4 10 Holiday function 39 4 11 Manual heating 40 4 12 Temperature check 41 5 Protection function 41 5 1 Memory protection 41 5 2 Screen protection 41 5 3 pump idling protection 41 6 Trouble shooting 42 6 1 Trouble protection 42 6 2 Trouble checking 42 7 Quality Guarantee...

Страница 5: ...or transferring heat from the collector to the store It contains important fittings and safety devices for the operation of the solar thermal system Ball valves in flow and return in combination with check valves to prevent gravity circulation Flow rate check for displaying the flow rate Manometer for displaying the system pressure Safety valve to prevent inadmissible overpressure Flushing and fil...

Страница 6: ...ump station do not come into contact with substances containing mineral oil Mineral oil products cause lasting damage to the material whereby its sealant properties are lost If necessary ask the manufacturer whether the solar fluid fats or installation aids contain mineral oils We don t assume liability nor provide warranty for damage to solar station resulting from sealants damaged in this way 1 ...

Страница 7: ...he enclosed wall mounting bracket against the wall and mark the fastening holes drill holes and insert dowels Fasten the wall mounting bracket to the wall with the screws Push the station against the wall mounting bracket the station catches and is then attached to the wall Connect the station to the solar thermal system Check the inlet pressure of the expansion vessel and if necessary adjust it t...

Страница 8: ...zontally at the lowest point of the solar circuit see figure A filter must be installed between the store and solar pump in order to prevent the flushed out scale from store re entering the solar circuit Flushing and filling steps Disconnect the expansion vessel from the solar thermal system Connect the pressure hose of a flushing and filling station to the fill ball valve 1 of flushing and fillin...

Страница 9: ... The flow counter is used for measurement and display of flow rate in order to guarantee the flawless function of the measuring device the system must be flushed and free from foreign substances Digital flow meter 1 20L min Mechanical flow meter 2 8L min 3 3 Electrical connection Warning disconnect the controller from power supply before opening the housing The controller is already integrated in ...

Страница 10: ...ving out the cover 2 Disconnect the wires from controller take out the controller Doing reverse steps to remount the controller For further information on electrical connection of the controller please see manual of controller terminal layout 3 4 Accessories for the station A06 Flushing and filling unit isn t enclosed in the delivery scope Please buy separately A06 ...

Страница 11: ...e 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 2 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...

Страница 12: ...ut No Button description Function 1 LCD Display 2 Off on button Switch on off power of controller 3 Tim Heat button Switch on off the timing heating function 4 Man Heat button Manual switch on off the heating function 5 LED on off button Switch on off LED power 6 Holiday button Activate deactivate holiday function 7 Clock button Clock function 8 Parameter adjust button Parameter adjust value decre...

Страница 13: ...ture resistant up to 280 o C not necessary to distinguish the positive and negative polarity of the sensor connection Only original factory enclosed NTC10K B 3950 temperature 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 o C not necessary to distinguish the positive and negative polarity of the sensor connection ...

Страница 14: ...hing 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 2 1 Set time week Press Clock button time displays on screen our 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 o...

Страница 15: ...Solar working station operation manual SR881 14 2 2 Menu structure Submenu Through submenu user can set the parameter as desired value please check it carefully ...

Страница 16: ...SMX Maximum temperature of tank REC Tank re cooling function C F Celsius and Fahrenheit temperature switch FUN Auxiliary function DVWG Anti legionnaires function nMIN Speed controlling of circulation pump RPM pump controlling DTS Standard temperature difference for circulation pump speed adjust RIS Increase scale circulation pump speed adjusting parameter set FTYP Type of Flow meter 01 mechanical ...

Страница 17: ...switch off temperature difference Toff or the temperature of storage tank T3 reaches the preset maximum storage temperature then the solar circuit pump P1 is switched off Back up heating by auxiliary boiler detailed see paragraph 4 3 Within the preset schedule of back up heating if the temperature T3 is below the switch on temperature then the back up heating H1 is triggered when T3 is heated to t...

Страница 18: ...on starts at 17 00 and ends at 22 00 pm Within this time section the switch on temperature is 50 o C switch off temperature is 55 o C The switch on temperature adjustable range 10 o C OFF 2 o C The switch off temperature adjustable range ON 2 o C 80 o C 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 sectio...

Страница 19: ...Then Press ESC to exit this set Repress button Tim Heat tH 1F 05 00 displays on screen the switch off time and temperature for the first schedule of heating function can be set Press SET button 05 of hour time blinks on screen Press button to adjust 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 scre...

Страница 20: ...ure for the third schedule of heating function can be set Press SET button 17 of hour time blinks on screen Press button to adjust hour of time Repress SET button 00 of minute time blinks on screen Press button to set minute of time Repress SET button temperature 50 blinks on screen Press button to set switch off temperature of heating Press ESC to exit this set program parameters are saved automa...

Страница 21: ...rameter OFF blinks on the screen Repress SET button to activate this function CIRC ON appears on the screen Press ESC to exit this submenu or wait for 20 seconds to exit automatically the parameter valves are saved automatically Press button tCYC appears on the screen Press SET button to access tCYC menu Press SET button access tCYC three schedules function tC 1o 05 00 appears now can set the firs...

Страница 22: ... Repress SET button 03 Min of pump running time blinks on screen Press button to adjust pump running time Press ESC to exit this set Press button tC 2F 13 00 appears now can set the second turn off time Press SET button again 13 of hour time blinks on screen Press button to adjust hour of time Repress SET button 00 of minute time blinks on screen Press button to adjust minute of time Repress SET b...

Страница 23: ...ot 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 Factory set the switch on temperature of temperature co...

Страница 24: ... pipe should be installed 1 5m far away from tank at least 4 Function operation and parameter setup engineer grade 4 1 Access main menu Under standby status doing like following access main menu Press SET button PWD 0000 displays on screen the left first digital blinks ask for entering password factory default password is 0000 Press button to enter first digital of password Press SET button again ...

Страница 25: ...ears experience only in special application cases it needs to be changed e g far distance heat transferring normally it is recommend using 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 2oC Setup the switch on temperature difference Under standby status access main menu DT O Press SET butt...

Страница 26: ...X Maximum limited collector temperature collector cooling function 60 190 110 107 See 4 4 3 CMN Low temperature protection of collector 0 90 OFF See 4 4 4 CFR Frost protection of collector 10 10 OFF See 4 4 5 SMX Maximum temperature of tank 2 95 70 68 See 4 4 6 REC Tank re cooling function OFF See 4 4 7 C F Celsius and Fahrenheit temperature switch See 4 4 8 4 4 1 EMOF maximum switch off temperatu...

Страница 27: ...ivate and deactivate this function if the function is deactivated then EMON displays on the screen Press ESC button to exit menu or wait for 20 seconds to exit automatically set parameters are saved automatically When these two signals of EM blink on the screen it indicates this function is activated and at this moment temperature of tank reaches to its maximum limited temperature When only this s...

Страница 28: ...ss SET button parameter 110 blinks Press button to adjust the collector protection temperature adjustable range 60 190 factory set is 110 Repress SET button activate and deactivate this function if deactivate the function CMX displays on screen Press ESC button to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically CMX signal displays on screen it indicate...

Страница 29: ...ed automatically and it is in operation until T2 is heated up to 21 o C or it is stopped when program of CFR is exited When collector temperature rises up to 7 o C solar circuit pump is ceased program of CFR exits automatically This function is used in systems which use water as heat transfer liquid to avoid the freezing of solar heat transfer fluid Setup steps To access main menu TEMP then select...

Страница 30: ...Setup steps To access main menu TEMP then select submenu SMX SMX 70o C displays on screen Press SET button parameter 70 blinks Press button to adjust the value of maximum temperature of tank adjustable range is 2 95 default set is 70 Repress SET button to activate and deactivate this function if function deactivated SMX displays on the screen Press ESC button to exit the menu or wait for 20 second...

Страница 31: ... 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 5 Main menu FUN Auxiliary function The auxiliary function of this controller can be set under FUN menu it is possible to activate several auxiliary functions at the same time Note In FUN menu some functions are deactivated...

Страница 32: ... Anti Legionella function Description In order to avoid occurring bacteria in water tank when the temperature of tank is lower for a long time controller will automatically check the temperature of tank every 7 days a period if the temperature of tank is never over 70 o C during this period then at the default time 01 00 am on every Sunday of the period auxiliary heating system is triggered automa...

Страница 33: ... 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 exit automatically parameters are saved automatically 4 5 2 1 DTS Standard temperature difference for circuit pump s speed adjus...

Страница 34: ...on to exit the menu or wait for 20 seconds to exit automatically parameters are saved automatically 4 5 3 FTYP Type of Flow meter optional FTYP type of flow meter adjustable range 01 02 Type of flow meter 01 mechanical flow meter 02 digital flow meter Under FUN main menu select FTYP submenu FTYP 01 displays on the screen Press SET button parameter 01 blinks on the screen Press button to adjust the...

Страница 35: ... day accumulative thermal energy and operation time of pump can be reset under standby status doing like following Press button select to check the thermal energy of current 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...

Страница 36: ...T type of heat transfer liquid adjustable range 00 03 factory set 01 Type of heat transfer liquid 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 m...

Страница 37: ...s 06 00 20 00 not change During the period that solar pump is in operating the period of running time can be set by parameter tRUN controlled check the temperature increase of sensor if the temperature increases is less than 1 o 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...

Страница 38: ... to adjust the running time adjustable 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 HND Manual mode When using this controller first time or when debugging this controller output of this controller P1 P2 H1 can be triggered manually On OFF control Setup steps To access main menu HND Press SET button HND1 o...

Страница 39: ...utton to enter the second digital Repress SET button the third digital blinks Press button to enter the third digital Repress SET button the fourth digital blinks Press button to enter the fourth digital Press SET button PWDN 0000 displays on the screen ask for entering a new password doing like above to enter the new password Press SET button PWDG 0000 displays on the screen ask for reentering th...

Страница 40: ...ton for 3 seconds controller is switched off OFF displays on the screen Repress button controller is switched on again 4 10 Holiday function Description This function activates at night solar liquid will flow from storage tank to collector to cool the tank and therefore to prevent high thermal loads problem of the solar system due to completely heated storage tank The function is activated at nigh...

Страница 41: ... will be triggered When temperature of top part tank T3 reaches to the preset temperature heating is ceased Conditions for triggering manual heating function the setting temperature should be 2 o C higher than tank temperature Activate deactivate the function Press Man Heat button temperature 60 blinks on the screen Press button to adjust switch on temperature adjustable range 10 80 factory set is...

Страница 42: ...n digital flow counter is used in solar system If mechanical flow counter is used then flow rate can t display 5 Protection function 5 1 Memory protection In case power failure occurs controller keeps the parameter settings unchanged 5 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 ...

Страница 43: ...ted or short circuit Check resistance value replace T2 T2 sensor problem Sensor wiring interrupted not connected or short circuit Check resistance value replace T4 T4 sensor problem Sensor wiring interrupted not connected or short circuit Check resistance value replace 6 2 Trouble checking The controller is quality product conceived for years of continuous trouble free operation If a problem occur...

Страница 44: ... a temperature sensor On the controller check the current values of all connected temperature sensors replace all defective sensors and or cabling The solar pumps operated despite the fact that the switch on conditions are not satisfied The pump symbol on the display blinks Holiday function or Frost protection function or tank re cooling function is activated No problem it is normal If necessary t...

Страница 45: ...responsibility is invalid for them The warrantee expires within 24 months after the date of purchasing the controller 8 Technical data Specification Data Power supply 200 240V AC 50 60Hz Power consumption 3W Accuracy of temperature measuring 2 o C Range of collector temperature measuring 10 220 o C Range of tank temperature measuring 0 110 o C Suitable power of pump 2 pump 200W Suitable power of e...

Страница 46: ...ess thermowell A05 Parameter 1 2 male thread φ8X200mm 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 Technical data of SR802 Dimension 100mmx100mmx65mm Power supply 180V 264V AC 50 60Hz Suitable power 4000W Available ambient temperature 10 50 o C Water proof grade IP43 SR802 CONNECTI...

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