ST-408N - Kotly.com.pl
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1. SI 4O8N USERS MANUAL WWW TECHSTEROWNIKI PL ST 408N user s manual pr Declaration of Confirmity No 86 2013 Hereby we declare under sole responsibility that the ST 408N 230V 50Hz thermoregulator manufactured by TECH headquartered in Wieprz 1047A 34 122 Wieprz is compliant with the Regulation by the Ministry of Economy Journal of Laws Dz U 155 Item 1089 of July 21 2007 implementing provisions of the Low Voltage Directive LVD 2006 95 EC of January 16 2007 The ST 408N controller has been tested for electromagnetic compatibility EMC with optimal loads applied For compliance assessment harmonized standards were used PN EN 60730 2 9 2011 PN EN 60730 1 2012 Marked product CE 04 2013 f 4pm Ar DA whe a ver fL fron JURA ANUSZ MASTER W A CICIELE TECH s Wieprz 23 IV 2013 2 THE DEVICE MAY BE DAMAGED IF STRUCK BY A LIGHTNING MAKE SURE IT IS UNPLUGGED DURING STORMS High voltage Make sure the regulator is disconnected from the mains before working on the power supply cable connections device installation etc All connection works must only be carried out by qualified electricians Before activating the controller measure the motor resetting efficiency and inspect wire insulation ST 408N user s manual I Use ST 408N thermoregulator is intended for controlling central heating installation The controller supports two mixing valves DHW pump of wa2. set temperature It is the difference between the set temperature desired temp of the water boiler and the temperature of returning to operation mode For example if the set temperature is 55 C and the hysteresis value is 5 C the DHW pump is switched off when the set temperature of 55 C is reached and it is activated again when the temperature drops to 50 C _6 5 Degrees Ld vT III c 4 DHW pump activation threshold This option is used to set the temperature of DHW pump activation it is the temperature measured by the CH boiler sensor When the temperature remains below this value the pump is inactive whereas when the temperature is above this value the pump is switched on and works until the set temperature is reached Threshold include hew s 40 Degrees a bd III c 5 Weekly control of the DHW pump This function is used to program daily changes of the water boiler temperature The range of set temperature deviation is 100C Weekly control is explained in detail in section IV d 17 III c 6 Maximum temperature This function is used to set the maximum DHW temperature After it has been reached the DHW pump is switched off 90 Degrees III c 7 Sensor This function enables the user to choose the sensor which will serve as the DHW sensor III d Circulating pump This function is used to control the pump which mixes hot water between the CH boiler and DHW receivers After activating t
3. temperature change 100C In this case if the set temperature of the valve is 600C from 300 AM to 600 AM on Monday the set temperature will drop by 100C so it will be 500C Instead of setting the temperature for particular days mode 2 enables the user to set the temperature for all working days Monday Friday and for the weekend Saturday Sunday Set mode 2 Monday Friday Saturday Sunday In this mode specific time and the requested deviations from the preset temperature should be defined for both working days Monday Friday and the weekend Saturday Sunday Example Monday Friday set 3 00 AM temp 10 C temperature change 10 C set 4 00 AM temp 10 C temperature change 10 C set 5 00 AM temp 10 C temperature change 10 C Saturday Sunday set 4 00 PM temp 5 C temperature change 5 C set 5 00 PM temp 5 C temperature change 5 C set 6 00 PM temp 5 C temperature change 5 C In this case if the set temperature of the valve is 60 C on each weekday from Monday Friday from 300AM to 600AM the set temperature will drop by 100C so it will be 500C During the weekend from 4 00 PM to 6 OO PM the set temperature of the valve will increase by 5 C so it will be 65 C C Wyiscie Ie Kopiuj Wyj cie 21 ST 408N user s manual Step III Mode The user activates one of the two previously defined modes Mode 1 Mode2 or deactivates weekly control completely After one of th
4. temperature drops to 570C Set temperature This option is used to define the set temperature Maximum temperature this option is used to set the maximum temperature when this temperature is reached the device is switched off Sensor 1 this option is used to select which sensor will provide temperature information needed for the operation of the device connected to the additional contact activation threshold Sensor 2 this option is used to select which sensor will provide temperature information needed for the operation of the device connected to the additional contact set temperature IV c 3 Room regulator This option should be selected if the device connected to the additional contact is to operate using the signal from the room regulator When the regulator has not reached the set temperature the contact is closed the device is active After the temperature has been reached the contact opens the device is switched off It is possible for the additional device to work according to the signal from the maximum of 4 room regulators Then the device will switch off only when each of the regulators signals that its set temperature has been reached 13 ST 408N user s manual Regulator pokojowy ml A Regulator Legulat ot standard 3 eT IV c 4 Weekly control When this option is selected the device connected to the additional contact operates according to the weekly program the user sets
5. ach output 0 5A Fuse link 6 3A WARNING In case of no flow in the short CH boiler circulation CH system installed 25 ST 408N user s manual incorrectly the return sensor should be placed on hot water output of the CH boiler in order to prevent the water from boiling VI Installation Caution The device should be installed by a qualified person During installation the device mustn t be powered make sure the plug is disconnected from the power supply Contents PO cvE 4 IPADE COL OD eh AMO Misses shasta deft teetacinaseca AA tubo dad o eas tu orte sec utes oM used en 4 AB ERR AEN cleat oul 0 Peete erent eie cer omen NE PR A MEM MN LM MM en EMIL ALMA 5 LES Eri ers S dde DA PRO RETRO 13 NC OPPOLCGCUTOBE SU d enero RD LI C LM ER E MM M M LM ELM 28 V Ma menine iacebat tome avdutina adiac etn tne dante E cP Aaah D DE i MMC MEN RUD 28 IN Mie ANG EAD OEE noce dendedth iat ncaa diesen nhe d tec M acca se ta dL on ook Ec DD DE ER E A Ed SERE 29 26 L io Pa Care for the natural environment is our priority Being aware of the fact that we manufacture electronic devices obligates us to dispose of used elements and electronic equipment in a manner which is safe for nature As a result the company has received a registry number assigned by the Main Inspector of Environmental Protection The symbol of a crossed out rubbish bin on a product means that the product must not
6. as to have 399C as a set point by 19C Case 2 If the room temperature drops to 229C by 19C the valve will open to such an extent as to have 429C as a set point by 29C 0 1 Stopni C Wyiscie IV d 10 Room temperature reduction This function is active only if the valve cooperates with the two state standard room regulator The user defines the value of valve temperature reduction which will be performed when the room regulator reaches the set 18 temperature 20 Stopni h Wyj cie A DA IV d 11 Proportionality coefficient Proportionality coefficient is used for defining valve stroke The closer the preset temperature the smaller the stroke If the coefficient value is high the valve will take less time to open but at the same time the opening degree will be less accurate The following formula is used to calculate the percent of a single opening Wsp proporjon C Wyiscie aS w SET TEMP SENSOR TEMP PROP COEFF 10 IV d 12 Maximum floor temperature It is the maximum temperature which does no damage the floor heating installation This setting is used when the valve type is set as floor valve After this temperature is reached the valve closes completely and the user is informed about it by means of an appropriate alarm When the maximum floor temperature is reached CH boiler protection function is deactivated In such a case protection of the floor installatio
7. be thrown out to ordinary waste bins By segregating waste intended for recycling we help protect the natural environment It is the user s responsibility to transfer waste electrical and electronic equipment to the selected collection point for recycling of waste generated from electronic and electrical equipment 27 User s Manual All faults should be reported to TECH Sp j Wieprz 1047A 34 122 Wieprz Tel 48 33 8759380 48 33 8705105 48 33 8751920 48 33 8704700 Fax 48 33 8454547 serwis gtechsterowniki pl Monday Friday 7 00 16 00 saturday 9 00 12 00 WWW TECI REG COM
8. cally downloads such parameters as IP address IP mask gateway address and DNS address from the local network If any problems arise when downloading the network parameters they may be set manually The procedure of obtaining these parameters is described in detail in the instruction manual of the Internet Module Module password reset function may be used when the user has changed the default password on the login page If the user s new password is lost the default password may be restored by resetting the module password C Wyiscie IV g GSM module Note This type of control is available only after purchasing and connecting an additional controlling module ST 65 which is not included in the standard controller set 23 ST 408N user s manual J Wyiscie GSM Module is an optional device which cooperating with the controller enables the user remote control of the CH boiler operation via mobile phone The user is sent an SMS each time an alarm occurs Moreover after sending a certain text message the user receives feedback on the current temperature of all the sensors Remote change of the set temperatures is also possible after the authorisation code is entered GSM Module may operate independently of the CH boiler controller It has two additional inputs with temperature sensors one contact input to be used in any configuration detecting closing opening of contacts and one controlled output e g a possibility of
9. connected to the additional contact should be switched on or off if an alarm occurs IV d Valves 1 and 2 Functions available in this submenu are used to adjust the parameters of valve 1 so that it works correctly and meets the user s expectations CJ Wyiscie IV d 1 Temperature control This parameter determines water temperature measurement control frequency behind the CH or DHW installation valve If the sensor indicates a change in temperature deviation from the set value then the electric valve will open or close by the set stroke in order to return to the preset temperature 30 Sekund Max 15 0 eT x v IV d 2 Opening time This parameter defines the time needed for the valve actuator to open the valve from 0 to 100 position This value should be adjusted to the value given on the actuator rating plate _15 ST 408N user s manual h Wyj cie IV d 3 Single stroke This is a maximum single stroke opening or closing that the valve may make during one temperature sampling If it is near the preset temperature the stroke is calculated on the basis of PROP COEFF parameter value The smaller the single stroke the more precisely the set temperature can be achieved However it takes longer for the set temperature to be reached 5 Procent Max 99 IV d 4 Minimum opening The parameter determines the smallest valve opening Thanks to this parameter the valve may be opened m
10. connecting an additional contractor to control any electric circuit When any of the temperature sensors reaches the preset maximum or minimum temperature the module automatically sends an SMS message with such information A similar procedure is used in the case of opening or closing of the contact input which may be used as a simple means of property protection If the GSM Module is to be used with the ST 408N controller it should be activated by selecting ON option MENU Fitter s menu GSM Module ON IV h External temperature measurement his parameter defines how often the temperature value measured by the external sensor should be averaged The temperature is measured continuously and the value is averaged and refreshed every 60 seconds factory setting The setting range available is 1 600 seconds Minut Sekund Min 0 1 Max 10 0 J Wyiscie IV i External sensor calibration External sensor calibration is performed when mounting the regulator or after it has been used for a long time if the external temperature displayed on the sensor differs from the actual temperature Calibration setting range is from 10 C to 10 C with the accuracy of 0 1 C 0 2 Stopni Min 10 0 J Wyiscie 24 IV j Factory settings This option enables the user to restore factory settings defined by the manufacturer Ustawienia fabryczne P 4 Anuluj V Protection In order to ensure safe and failure fr
11. ctivation This option enables the user to select the working mode of a pump A pump will be activated always the pump operates all the time regardless of temperatures never the pump is permanently deactivated and the regulator controls only valve operation above the threshold the pump is activated above the set activation temperature If the pump is to be activated above the threshold the user should also define the threshold temperature of pump activation When the CH pump room regulator function is activated the CH pump is switched off after reaching the set temperature if always or above the threshold option is selected Ustawienia abryczne C Wyiscie CJ Wyiscie IV d 17 IV d 17 Weekly control weekly program This function is used for programming daily changes of the temperature 20 C Wyiscie J Wiscie Step I First the user must set current time and date Fitter s menu gt Timer Step II The user sets the temperatures for each particular weekday Set mode 1 Monday Sunday In this mode specific time and the requested deviations from the preset temperature should be defined by how many degrees the temperature should rise or drop at a given time for each day of the week Additionally to facilitate the use of the device it is possible to copy the settings Example Monday set 300 AM temp 100C temperature change 100C set 4 00 AM temp 100C temperature change 100C set 5 00 AM temp 100C
12. e curve the greater its accuracy which allows its flexible shaping In our opinion four points seem a very good compromise ensuring decent accuracy and easiness of setting the course of this curve In our controller XA 209C XC 00C XB 109C XD 10 C _17 ST 408N user s manual YA YB YC YD set temperatures of the valve for respective external temperatures XA XB XC XD After weather based control is switched on valve set temp parameter is not available J Wyiscie C Wyiscie IV d 8 Change in valve set temp This setting determines by how many degrees the valve temperature is to increase or decrease with a single unit change in room temperature see Room temperature difference This function is active only with TECH room regulator and it is closely related to the Room temperature difference parameter 20 Stopni owe IV d 9 Room temperature difference This setting is used to define the single unit change in the current room temperature with the accuracy of 0 1 C at which a predefined change in the set temperature of the valve will be introduced function available only with TECH room regulator Example setting room temperature difference 0 59C setting change in set valve temperature 19C setting set temperature of the valve 409C setting set temperature of the room regulator 23 C Case 1 If the room temperature rises to 23 59C by 0 59C the valve will close to such an extent
13. e modes has been activated the value of the currently set deviation will be flashing on the controller main page informing the user that the weekly control is active Delete data function allows the user to easily delete all previously saved settings of the weekly program in order to introduce new settings IV d 18 CH sensor This function enables the user to choose which sensor will serve as CH sensor IV d 18 Valve deactivation When this function is selected the valve operation depends on the external temperature The user may set the temperature at which the valve should be deactivated during day and night It is possible the define the time when the controller will operate in day mode and night mode The user sets the hysteresis of valve deactivation temperature for the night mode and day mode IV d 18 Factory settings This function enables the user to restore the factory settings for a particular valve Restoring factory settings does not change the selected valve type CH or floor P 4 Anuluj IV e Auxiliary valve 1 auxiliary valve 2 The user may control two additional valves optional after purchasing two independent ST 61 modules J Wyiscie J Wyiscie After each additional module is connected it must be registered by entering the module number written on ST 61 casing Then the auxiliary valve ma be configured In the case of auxiliary valve the following settings must be defined gt activated valve act
14. ed to the controlled contact fails to switch on and the selected sensor fails to reach the set temperature within the delay time the controller activates the device which is connected to the controlling contact For this function to work correctly the following settings need to be configured set temperature this function is used to define the set temperature which must be reached by the selected sensor If the temperature is reached it _14 ELS means that the device connected to the controlled contact works correctly Hysteresis This option is used to define the set temperature hysteresis Delay if the selected sensor fails to reach the set temperature after this time elapses the controlled contact does not work properly The controller will force activation of the device connected to the controlling contact the device will be active until the sensor reaches the set temperature Delay after error if after the error of the controlled contact the set temperature on the selected sensor will not be reached within this period of time the controller will force reactivation of the device connected to the controlling contact Sensor this function allows the user to choose which sensor will provide the information about the temperature Additional contact this function enables the user to choose the additional contact the operation of which will be controlled IV c 7 Alarm This function enables the user to decide if the device
15. ee operation the regulator has been equipped with a range of safeguards In case of alarm a sound signal is activated and the display shows an appropriate message To restore operation touch the screen During an alarm manual operation is available However the user should ensure that such activity will not cause any damage The controller is equipped with the following alarm protection 1 Temperature alarm it stops the valve temperature regulation and sets the valve in its safest position the floor valve will be closed whereas the CH valve will be opened 2 Alarm C1 4 SENSOR it may mean that 1 no sensor is connected 2 the sensor has been connected incorrectly 3 the sensor is damaged The regulator has a WT 1 6A tube fuse link protecting the network Caution Higher amperage fuse should not be used as it may damage the controller V Maintenance Before and during the heating season the ST 408N controller should be checked for condition of its cables You should also check if the controller is properly mounted and clean it if dusty or dirty Technical data Regulation range of the CH valve temperature 10 C 90 C Regulation range of the floor valve temperature 10 C 55 C Regulation range of the DHW tank temperature 1 C 80 C Supply voltage 230V 50Hz 10 Power consumption max 4W Thermal resistance of the sensors 25 C 90 C Ambient temperature 5 C 50 C Load on e
16. er source the valve is always calibrated even if it is deactivated It prevents the valve from remaining in dangerous position III a 3 Calibration of the valve This function enables the user to calibrate the first valve at any time During this process the valve is restored to its safe position in the case of CH valve it is fully _5 ST 408N user s manual opened whereas in the case of floor valve it is closed Calibration P 4 Cancel III b Valve 2 In this submenu the user adjusts the basic parameters of the second valve similarly as in the case of valve 1 III c DHW pump of the water boiler This function enables the user to adjust the parameters of DHW pump operation Exit Exit Exit III c 1 DHW set temperature This function is used to adjust the set temperature of domestic water It may be done in the main screen of the controller when DHW view is active After the water in the water boiler reaches this temperature the controller switches off the DHW pump The pump will be enabled again when the temperature drops below the set value minus DHW hysteresis 50 Degrees III c 2 Operation modes This function enables the user to switch off the DHW pump if it is not used or to activate automatic operation the pump operates according to parameters described in the following section III c 3 DHW hysteresis This option is used to set the hysteresis of the water boiler
17. evice 212 E C activation When the temperature is below the set value the device is inactive whereas when the temperature exceeds this value the device is enabled Hysteresis the temperature difference between device activation and its deactivation e g when the activation threshold is set to 60 C and the hysteresis value is 39C the device will be activated when the temperature reaches 609C and it will be disabled when the temperature drops to 579C Sensor this option is used to select which sensor will provide temperature information needed for the operation of the device connected to the additional contact IV c 2 DHW This option should be selected when DHW pump is connected to the controller CT Wisee J Wyiscie J Wyiscie Activation threshold this option is used to set the temperature of device activation When the temperature is below the set value the device is inactive whereas when the temperature exceeds this value the device is enabled and operates until the set temperature is reached Hysteresis this option is used to set the hysteresis of the set temperature After the set temperature is reached the device is switched off It is switched on again after the temperature on the sensor drops below the set temperature minus hysteresis value e g when the set temperature is 609C and the hysteresis value is 39C the device will be switched off when the temperature reaches 609C and it will return to operation when the
18. his function the user sets the 24 hour cycle of pump pause and activation with the accuracy of 30 minutes In order to make setting the 24 hour cycle easier the user may copy a selected time interval into the next one After the operation plan is defined the user sets the pump operation time and the pump pause time while the previously selected time interval is active The user may easily delete the previously saved settings in order to introduce new intervals ST 408N user s manual lI Exit III d Operation modes In this function the user may choose one of the three operation modes available lt Exit III d 1 Water boiler priority In this mode the DHW pump is activated first and it operates until the set DHW temperature is reached the valves close completely and the valve pumps are switched off After the set temperature has been reached the pump is switched off and the mixing valves are activated along with the pumps according to their settings The valves operate continuously until the water boiler temperature drops below the set value minus hysteresis Then the valve pumps are switched off and the DHW pump is switched on III d 2 Parallel pumps In this mode all active pumps and valves operate simultaneously The valves maintain the set temperature and the water boiler is heated to the set temperature III d 3 Summer mode In this mode the CH valves are closed to prevent unnecessary hou
19. inimally to maintain the smallest flow 5 Procent kh Wyj cie x ueque IV d 5 Valve type By means of this setting the user selects the type of controlled valve out of the following CH selected if the user wants to control the temperature in the CH circuit FLOOR selected if the user wants to control the temperature of the floor heating circuit It protects the floor heating installation against dangerous temperature If the user selects CH as the valve type and connects it to the floor heating system the fragile floor installation may be damaged C Wyiscie TD Wyj cie IV d 6 Room regulator This function enables the user to choose the type of room regulator which will be assigned to valve 1 TECH regulator gt TECH regulator 16 ELI When this type of regulator is selected the valve works according to room temperature reduction parameter Activation of this regulator enables the user to view the current temperature of the CH boiler water boiler and the valves This regulator should be plugged to RJ telephone type socket of the ST 408N controller using a four core cable with appropriate pins to the socket at the back of the controller gt TECH regulator algorithm When this type of regulator is selected the valve works according to change in valve set temp and room temperature difference parameters Activation of this regulator enables the user to view the current
20. ivation after the configuration is completed temperature control opening time single stroke minimum opening valve type room regulator VV VV ON WV s 7 s weather based control change in valve set temp room temperature difference room temperature reduction proportionality coefficient maximum floor temperature pump activation factory settings valve removal this option is used to remove the valve from the controller memory Valve removal is used e g at disassembling the valve or module replacement re registration of a new module is necessary nformation on how to set those parameters which have not been described in detail above may be found in section Valve 1 2 and 3 VV VV ON ON ON V WV IV f Internet module Note This type of control is available only after purchasing and connecting an additional controlling module ST 500 which is not included in the standard _ controller set C Wyiscie C Wyiscie Internet module is a device enabling the user remote control of the CH boiler via the Internet or local network The user controls the status of all Ch boiler system devices on the home computer screen and the operation of each device is presented in the form of animation Apart from the possibility to view the temperature of every sensor the user can change the set temperatures for both the pumps and the mixing valves After switching the module on and selecting DHCP option the controller automati
21. n is assigned higher priority IV d 13 Opening direction If after connecting the valve to the controller it turns out that it is connected the other way round then the power supply cables do not have to be switched Instead it is enough to change the opening direction in this parameter LEFT RIGHT C Wyiscie J Wyiscie IV d 14 CH boiler protection _19 ST 408N user s manual The protection against too high return temperature serves to prevent the hazardous growth in CH boiler temperature The user sets the maximum acceptable return temperature In the case of the hazardous growth in temperature the valve begins to open to house installation in order to cool the CH boiler down This function is activated permanently it may be deactivated only in service menu Ochrona kota o Wytaczona Ochrona Ochrona powrotu V CJ Wyiscie IV d 15 Return protection This function permits setting the boiler protection against too cool water returning from the main circulation which could cause low temperature boiler corrosion The return protection involves closing the valve when the temperature is too low until the short circulation of the boiler reaches the appropriate temperature After activating it the user presets the minimum acceptable return temperature Ochrona powrotu u s perat NN czona Wytaczona Ochrona Ochrona powrotu cotic J Wyiscie IV d 16 Pump a
22. outside the heating season 11 ST 408N user s manual Wyj cie IV b TECH regulator This option allows the user to switch on off the function of TECH room regulator e g ST 280 or ST 298 In order for the regulator to cooperate with the right valve the user should activate this type of room regulator and choose an appropriate operation mode in the valve menu hb Wyj cie TECH regulator supports RS communication and it is connected to the controller with a four core cable RJ12 telephone type plugs If TECH room regulator is switched on apart from room temperature regulation the user may adjust the set temperature of the active valves and the water boiler directly from the room regulator without having to go to the boiler room Another asset of the device is that it enables the user to view the history of temperatures in the form of clear graphs Moreover all controller alarms are signalled The user may also check the outdoor temperature in cooperation with ST 61 valve module and set the weekly program IV c Additional contact 1 2 and 3 This option allows the user to activate deactivate an additional contact Contact 1 is connected to the 230V output whereas contacts 2 and 3 are connected to dry outputs IV c 1 CH This option should be selected if e g the CH pump is connected to the controller Wyj cie Activation threshold this option is used to set the temperature of d
23. se heating In the case when the CH boiler temperature is too high the valve will b e opened as an emergency procedure requires activation of return protection In this mode the water boiler pump and the floor valves operate normally according to their settings _8 III e Manual mode When the manual mode option is selected the user can open and close the valves and the auxiliary valves if they are active manually It is also possible to switch on off each valve pump DHW pump circulating pump as well as the additional contacts in order to check if the device works properly III f Time Time option enables the user to set the current time and day of the week Setting the time is essential for weekly control to operate correctly III g Fitter s menu The following sections provide detailed information on all functions which are available in the fitter s menu III e Screen After selecting Screen option the user may customize the main screen settings ST 408N user s manual III e 1 Screen view With this function the user can change the screen view switching between panel screen and installation screen c Exit III e 2 At night By selecting At night option the user enters the panel enabling him her to adjust the screen view at night As at daytime Timer or Switched off The set screen is activated during nighttime after the screen has not been touched for 20 seconds In order to return to the main men
24. temperature of the CH boiler water boiler and the valves This regulator should be plugged to RJ telephone type socket of the ST 408N controller using a four core cable with appropriate pins to the socket at the back of the controller gt Standard regulator 1 2 and 3 When this type of two state regulator is selected the valve works according to room temperature reduction parameter This regulator should be connected to the controller in the place labelled Regulator pokojowy 1 2 lub 3 using a two core cable egulator dard 1 s CJ Wyiscie J Wyiscie J Wyiscie IV d 7 Weather based control For the function of weather control to be active the external sensor mustn t be exposed to sunlight or influenced by the weather conditions After it is installed in an appropriate place weather control function needs to be activated in the controller menu For the valve to operate correctly the user defines the set temperature behind the valve for 4 intermediate external temperatures TEMP FOR 20 TEMP FOR 10 TEMP FOR O TEMP FOR10 Heating curve it is a curve according to which the set controller temperature is determined on the basis of external temperature In our controller this curve is constructed on the basis of four points of set temperatures for respective values of external temperatures Set temperatures must be determined for the following external temperatures 209C 109 C 0 C and 10 C The more points constructing th
25. ter boiler circulating pump and a solar collector The controller may cooperate with two ST 61 modules which enables the user to control the total of five mixing valves The controller features weather control and weekly control functions and it may support three two state standard room regulators and one TECH regulator The device has one voltage contact additional contact 1 and two dry contacts additional contacts 2 and 3 It is also compatible with GSM module and Internet module Return temperature protection is another asset of the device It prevents the water in the short circulation from boiling and ensures that the temperature of water returning to the CH boiler is not too low II Principle of operation Controller operation involves mixing the hot circulating water with the water returning from the heating circuit in order to reach and maintain the set temperature Pumps which are connected to each valve circuit help to distribute the water throughout the system A pump should be connected behind the mixing valve whereas the temperature sensor should be placed behind both the pump and the valve in order to ensure accurate measurement of the valve output temperature Note if the valve controller and the CH boiler controller operate simultaneously in one circuit the pump may be connected from the CH boiler controller the pump output in the ST 408N regulator and in the additional module remains unconnected The device is controlled
26. time intervals with the accuracy of 30 minutes at which the contact will close 1 J 1 J 1 Status Przedzial czasu 00 00 00 30 w Poniedziatek N Itorek Sroda C Wyiscie Pompa solarna cm IV c 5 Buffer This option should be selected when buffer is connected to the additional contact The device will operate until the set temperature of buffer down has been reached After the temperature drops below the set value of the buffer up the device is switched on again The user may choose the sensors which will serve as upper and lower sensors 3 T e Kopiuj Wyj cie A isce IV c 6 DHW buffer This option should be selected when DHW buffer is connected to the additional contact The device will operate until the set temperature of buffer up and down are reached in order for the pump to be switched off both sensors must reach the set temperature After the set temperature of buffer up is reached the pump will still operate for the period of time set by the user as the delay time Moreover the device may operate according to weekly program described in detail in section IV d 17 which controls the temperature of the upper sensor The user may choose which sensors will serve as upper and lower sensors CJ Wyiscie IV c 7 Operation control If the user selects this option the additional contact will control the operation of another contact If the device which is connect
27. u touch the screen Exit III e 3 Night from and Day from In the following part of the menu the user may set the exact time of entering night mode Night from and returning to day mode Day from III e 4 Brightness during the day and Brightness at night This part of menu enables the user to adjust the screen brightness for both night and day modes 75 Percent 75 Percent III f Language selection 10 Here the user may choose the language version of the controller III g Software information When this option is selected the display shows the logo of the CH boiler manufacturer as well as the software version used in the regulator al IN LA C d TECH ST 409 1 1 0 III h Protection After selecting Protection icon the main menu shows a panel enabling the user to adjust the settings of the parental lock When Auto lock is selected a panel used for activating and deactivating the lock appears on the screen In order to set the PIN code which is essential to operate the controller when the lock is active press PIN code icon 9 Exit x Cancel III 1 Service menu In order to enter the service menu of the ST 408N controller enter a 4 digit code The code is available in TECH company P 4 Cancel IV Fitter s menu IV a Pump Anti stop When this function is active the valve pump is switched on for 2 minutes every 10 days It prevents water in the installation from stagnation
28. using a touch screen II a Main page During normal operation the graphic display of the regulator shows the main page which may differ depending on user s settings The main screen shows the following information e current and set temperatures of the active valves e current and set temperature of the water boiler current and set temperature of the buffer outdoor temperature time and day of the week operation mode of the pumps The screen view shown above is the default one in ST 408N controllers The user may also switch to panel screen CURRENT DATE AKTYWNY TRYB EXTERNAL AND THE DAY OF THE WEEK PRACY POMP TEMPERATURE RIGHT PANEL i 4 WITH PARAMETERS 3 ine 0 m LEFT PANEL WITH PARAMETERS k TI 220 Mg Menu lt lt D gt CHANGE THE PANEL VIEW CHANGE THE PANEL VIEW ENTER THE MENU III Main menu III a Valve 1 In this submenu the user may adjust the basic settings of the first valve III a 1 Set temperature This option is used to set the desired temperature which will be maintained by the first valve The temperature may be adjusted in the main screen when Temp 1 is active During proper operation the temperature of water behind the valve be approaching the set temperature of the valve Set temp m 50 Degrees III a 2 Activated This option is used to activate valve 1 When the valve is turned off the pump is also inactive After connecting the controller to the pow
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