EUROSTER 2026/2026TX
Contents
1.2. With the EUROSTER TXRX controller the signal is transmitted wirelessly by radio eliminating the need for wiring between the controller EUROSTER TX and the device controlled by the receiver EUROSTER RX The effective range of operation depends to a large extent on the materials of which the building is made EUROSTER TX in conjunction with the receiver RX provides coverage of about 100 m in open area In buildings this distance reaches 30 meters which means the Signal is able to cross several storeys The signal is strongly attenuated by reinforced concrete structures which results in significantly reduced coverage minimum acceptable level It is recommended to replace the batteries with new alkaline ones every season If needed the controller must be re programmed Low battery indicator will be visible when the battery voltage drops to a 2 OUTSIDE VIEW COM NC NO Receiving the signal from the transmitter indication green LED 2 Receiving device e g heating activated indication red LED 3 Switch for continuous operation of the heating appliance can be turned on in the event of damage to the system In an automatic mode the switch should remain in position O 4 Output cable 5 Output connector volt free contacts COM NO normally open most commonly used contacts COM NC normally closed 6 Antenna should be pulled out totally during the operation pd EUROSTER 2026 2026TX User Manual 13 3 FIRST LA
3. receiver e check whether the numbers codes of the controller and receiver match EUROSTER 2026 2026TX User Manual 16 e pull the telescopic antenna to its maximum extent 2 Rhythmic blinking of the controller s LCD display replace the batteries with new alkaline ones e reset the controller and set the programs up again 3 Blinking low battery indication or word Low shown on the display replace the batteries with new alkaline ones check whether the battery contacts are clean 4 No activation indication on the LCD display means the device is turned off e check the jumper settings on the controller e check the settings of the parameters of the controller day hour temperature 5 Heating device operates continuously regardless of the controller s settings e check whether the continuous operation switch is in position O 8 RECEIVER RX TECHNICAL DATA Supply Voltage 230 V AC 50 60 Hz Maximum load 5 AAC Protection class II Radio frequency 433 92 MHz Output cable length 2m Dimensions 112 x 61 x 68 mm TXRX series products meet the EU directives R amp TTE CE declaration of conformity is published and available on the website www euroster com pl In case of a complaint the complete EUROSTER TXRX must be supplied to the point of sale with the warranty card 9 SET CONTENTS a EUROSTER TX b EUROSTER RX c controller holder d user manual e alkaline batteries
4. User Manual 8 Programming the controller Note The order of weekdays is irrelevant during programming l 2 0 OND 10 Set the knob at PN position E Set the desired temperature for P1 f with the keys and Confirm with the key ok Set the required start time for P1 f with the keys E and confirm with the key ex Set the desired temperature for P2 with the keys E and confirm with the key ok Set the required start time for P2 hh with the keys 5 and Confirm with the key ok ae Similarly set temperature and time for programs P3 RA and P4 After setting all parameters set the knob at the next day of the week e g Tuesday Set the parameters for all programs for the next day In the manner described above set parameters for all programs for all consecutive days or copy the programs see p 14 Set the knob in the START position The controller will start to operate according to the new settings Copying Programs First parameters for the selected programs for one day must be set as described above In the following description the program from Monday is copied to Tuesday Thursday and Friday l 2 After setting the program for Monday knob still at PN press the key C The display indicates that the source of the program will be Monday Note Re pressing the key will exit the Copy mode 3 N Select any day of the week with the knob to which the pro
5. controller proceeds to setting the temperature the temperature indication starts to flash Set the desired temperature with the keys and to confirm press the key or Date 2 The display will show on the left side the duration of holiday mode on the right side time or date of termination of holiday mode Set the duration of holiday mode with the keys and 3 The maximum number of hours is 48 Above this value the number of days is selected The number on the right side means in this case the date the display shows the word Date and the designation of days of the week There is also a possibility to set infinite time for the holiday mode 4 After entering the setting procedure for the length of holiday mode the display shows 1h The sequence of changes is as follows indicates an infinite length in this case the holiday mode can be terminated only manually 5 After setting the interval confirm with the key ok Back to normal operation The controller returns to its normal operation automatically at specified time If the interval was expressed in days the return will be performed at midnight of the selected day i e at its beginning For example if the user plans to return on Sunday the controller will turn the heating on at midnight on Sunday so as to reach normal room temperature before the user returns If infinite time was selected holiday mode must be terminated manually In any event holiday mode ca
6. 0 C 1 Set the knob in the PN position 2 Hold down the keys Wj and simultaneously for at least 3 seconds The controller will show the current value of the adjustment 3 Set the desired correction with the keys E and Step of the change is 0 2 C 4 Confirm with the key or wait 15 seconds to cancel the change 8 CONTROLLER S OPERATION Euroster 2026 is a programmable regulator The user can set up 4 different temperatures for 4 different intervals of time for each day of the week separately Setting up programs for the entire week can be laborious the controller is therefore equipped with the function of copying programs There are 2 settings for each program temperature and start time which also means the end of the previous program During the activity of the program its assigned preset temperature is maintained Start time of the program is determined with an accuracy of 10 minutes Range 00 00 23 50 The programs are always executed in the order P1 P2 P3 P4 It is possible to set the start times of programs in a different order than the P1 P2 P3 P4 but in this case the regulator omits programs that overlap Example P1 4 start in sequence the user wants P4 to begin before P3 PI If P4 starts before P3 the controller automatically bypasses P3 As a result we have Pl P2 P4 Similarly if a user wants to move the P2 and P3 behind P4 z EN z z NO z oS z SS Pl EUROSTER 2026 2026TX
7. EUROSTER 2026 2026TX User Manual 1 EUROSTER 2026 2026TX 1 CHARACTERISTICS 4 different programs for each day of the week 28 different ranges and temperatures altogether Time programming with 10 minutes accuracy Designed to operate in heating or air conditioning systems Temperature measurement range 0 50 C resolution of 0 1 C Temperature control range 5 45 C resolution 0 2 C Hysteresis selectable from 0 5 1 0 2 0 4 0 C PI system for heating curve optimization Sensor calibration from 4 0 C to 4 0 C step 0 2 C Program copy function Large clear backlit display Temporary temperature change the controller instantaneously maintains the preset temperature until the next program starts Holiday mode the controller maintains the preset temperature for a selected time up to 99 days Settings lock the option to change parameters is blocked This mode is intended for offices where only 1 person is entitled to change the settings No heating i e the Anti freeze mode the mode of heating in which the controller maintains the lowest possible and safe temperature 5 C in air conditioning mode the cooling device is disabled Operating time counter of the heating air conditioning device maximum indication 999 hours with a resolution of 1 minute Ant freeze protection the controller turns heating on when the temperature drops below 5 C This function is always active Power sup
8. Program 2nd Program 3rd Program Ath Program Heating on Air Conditioning on Time counter heating air conditioning appliance Anti freeze mode 5 C Copy function active Battery exhausted Holiday mode Thermostat locked Manual mode preset temperature 1s maintained till the next program change EUROSTER 2026 2026TX User Manual 4 4 OPENING THE CONTROLLER AND BATTERY REPLACEMENT Insert a flat screwdriver into the gap as shown in the figure below Lever the lid up gently in the direction of the front panel After opening the controller insert the included batteries Only alkaline batteries size R6 AA are allowed In particular do not use rechargeable batteries because due to self discharge their effective time is shorter than the alkaline batteries one To avoid negative surprises it is recommended to replace the batteries each year before the heating season begins 5 CONTROLLER MODE SELECTION Euroster 2026 is equipped with 4 configuration jumpers Factory settings are indicated in italics Installation Type Air Condition Heating Jumper used to select the type of installation in which the regulator is used Choice of sensor Internal External Jumper used to select the sensor internal air temperature measured where the controller is installed or external requires connection of an external sensor Type of
9. UNCH OF THE WIRELESS CONTROLLER EUROSTER TXRX should be absolutely detached during the installation and the assemblage be entrusted to a qualified installer Do not install the controller showing signs of mechanical damage The receiver voltage is life threatening therefore electricity supply ay Insert new alkaline batteries 2 Pull the telescopic antenna on the receiver RX out to its maximum 3 After a few seconds the green LED should blink the receiver is within the range of the transmitter In order to verify coverage after connecting the TXRX kit the transmitter sends a signal every 3 seconds during the first minute green LED blinking Afterwards the process is repeated every 1 minute and lasts about 1 second No indication means insufficient coverage 4 Active red LED means the heating or cooling device is turned on 4 PROTECTION 1 If the receiver module EUROSTER RX does not receive a confirmation of activation or deactivation during 7 consecutive cycles due to disruption of transmission by e g a strong electromagnetic pulse or due to battery voltage drop in EUROSTER TX the heating appliance is turned off This prevents the device from overheating After the disruption is eliminated the system automatically returns to work with the exception of battery replacement which requires re programming of the TX controller 2 In addition the receiver RX is equipped with an Anti freeze system This function is active onl
10. algorithm ON OFF P I The controller can operate either in an on off mode in which the controller alternately turns the heating cooling device on and off or in the PI mode in which the controller smoothly regulates the degree of heating cooling Protection against overheating caused by the discharge of the batteries YES NO If the batteries are discharged the controller may switch the relay off in emergency state protection against uncontrolled operation of the heating appliance Disabling this feature causes the controller to operate without change until the battery is discharged risk of heating being permanently turned on LOW BATTERY OFF ON SENSOR Ext Int HEAT COOL P I ON OFF EUROSTER 2026 2026TX User Manual 6 CONTROLLER WIRING DIAGRAM In a system with a gas boiler 4 ne EUROSTER MAX 250V AC 16A 2 COM 3 NO In an underfloor heating system NOTE If you use a floor sensor connect it to the terminals 4 and 5 The SENSOR jumper should also be put in the Ext position batteries should be taken out during this procedure EUROSTER 2 COM MAX 250V AC 16A HEATING MAT In a heating air conditioning system min ne EUROSTER HEATING DEVICE 2 COM MAX 250V AC 16A 3 NO EUROSTER 2026 2026TX User Manual 6 7 SETTING PARAMETERS Setting date and time Note the user can confirm the settings in two ways by using keys or ok Confirmation with the key c
11. auses a jump to the next setting Hour gt Minute gt Year gt Month gt Day gt Hour again If confirmed with 0x the controller will store the change and return to operation If no key is pressed for 15 seconds the change of setting is cancelled To set date and time follow these steps l Press and hold the button for 3 seconds the hour digits will flash 2 Using and set the time Confirm with the key The minute digits will start flashing 3 Repeat the steps for setting minutes year month and day 4 After setting the day of the month confirm all changes hitting the key or push the key to return to the settings and adjust entered values Setting Hysteresis for ON OFF algorithm only 1 Hold and for at least 3 seconds The controller displays the word Hysteresis and shows the current setting 2 Select the desired value with the and keys 3 Confirm with the key or wait 15 seconds until the change is cancelled The idea behind the regulator s operation with hysteresis is presented below SETPOINT sd 4 HEATING MODE 2A P 4 N o oe Uf NWE eal eat 0 4 C we w ON A 4 SETPOINT i tet ee a EC COOLING MODE OFF Algorithm optimizing the heating curve PI The controller 2026 can operate using an algorithm optimizing the heating curve This algorithm is intended for installations with water underfloor heating Its aim is to minimize room tempe
12. e measured temperature the symbol of power and the letters A F meaning Anti freeze mode To deactivate this feature the user must press the key for at least 3 seconds again Controller settings lock The controller is equipped with a function for locking the settings The activation of the lock is indicated by the symbol amp In this case no settings can be changed However they can still be displayed Locking the controller l Set the knob in the position SOB 2 Hold the keys and together for at least 3 seconds After 3 seconds the regulator will be locked and the display will show the o symbol 3 Set the knob in the position START Unlocking the controller is done in the same way Locking the settings does not affect the controller s operation EUROSTER 2026 2026TX User Manual 11 Checking the operating time The controller has a function for counting of operating time of the regulated device It is intended to determine the date of maintenance or for cost estimation The maximum counted value is 999 59 The counter stops after reaching this value l To display the operating time press J The controller displays the time of operation and the symbol or depending on which device is in operation 2 Press the key return to normal operation or perform the steps of the points 3 5 to reset the counter 3 Press and hold for 3 seconds the digits will start to blink 4 Press the indication will chang
13. e to 000 00 and stop blinking 5 The controller will return to normal operation after 15 seconds or after pressing ok Anti Stop The controller is equipped with an anti stop system The controlled device e g a pump is switched on for at least 1 minute at least once a week even if the controller is in the anti freeze mode The operation is independent from programs and is not configurable Factory settings Air conditioning control Monday Friday Saturday Sunday Pi 06 00 23 CP1 06 00 23 C P2 08 30 28 CP2 11 00 22 C P3 15 00 22 CP3 16 00 23 C P4 23 00 25 C P4 23 00 25 C Heating control Monday Friday Saturday Sunday Pi 06 00 21 CP1 08 00 21 C P2 08 30 18 CP2 08 30 21 C P3 16 00 21 CP3 15 00 21 C P4 23 00 17 C P4 23 00 17 C Hysteresis all modes The hysteresis is preset at 1 C Jumper settings Factory jumper positions are as follows type of installation Heating sensor selection Internal type of algorithm ON OFF protection against overheating caused by battery discharge NO EUROSTER 2026 2026TX User Manual 12 EUROSTER TXRX WIRELESS VERSION 1 GENERAL DESCRIPTION The programmable temperature controller EUROSTER in the TXRX wireless version is in terms of programming the equivalent of EUROSTER wired version In the packaging there is a user guide for the appropriate wired model The difference is in how the on off signal is transmitted
14. gram from Monday is to be copied for example Tuesday The display will indicate that the program will be copied to Tuesday digit 2 will blink Press to copy the program Digit 2 stops flashing Set the knob at the next day of the week to which the program is to be copied from Monday for example Thursday The display will indicate that the program is to be copied to Thursday digit 4 will blink EUROSTER 2026 2026TX User Manual 9 8 Press to copy the program Digit 4 stops flashing 9 Similarly set knob at Friday and then press ok program will be copied 10 Set the knob in the START position The controller will begin to operate normally Holiday mode In holiday mode the controller does not run any program but maintains the preset constant temperature instead The user sets how many hours or days the preset temperature should be maintained Resolution of time setting is 1 hour in the range of up to 2 days or 1 day range 3 99 days There is also a possibility to set infinite time in which case the holiday mode must be terminated manually Important Activating the holiday mode must be confirmed with the button The display shows the symbol i Leaving the controller for more than 15 seconds causes cancellation of the setting and return to normal operation Setting the holiday mode SETTING TIME Ih gt 2h 48h 3d Ee SD OT l Set the knob in START position and press the key Li The
15. iagrams are simplified and do not contain all the elements needed for the correct operation of the system With a 230 V AC powered device EUROSTER TX pe ayn M max 230V 5A Electrical connector cube Output wire contacts used COM NO normally open Antenna Euroster RX receiver Euroster TX placed in any room AUNE EUROSTER 2026 2026TX User Manual 15 With a gas boiler 3 EUROSTER TX 1 230V vy Electrical connector cube Output wire contacts used COM NO normally open Antenna Euroster RX receiver Euroster TX placed in any room AUNE With a CH pump 5 N EUROSTER TX sil l Central heating boiler 7 EUROSTER TX transmitter 2 Shut off valve 8 EUROSTER RX receiver 3 Strainer 9 Antenna 4 CH pump 10 Electrical connector cube 5 Return valve 11 Output wire contacts used COM NO 6 Heat receiver heater normally open 7 TYPICAL FAULTS AND METHODS OF THEIR REPAIR l The controller does not switch heating devices on replace the batteries necessarily with new alkaline ones reset the controller and set the programs up again change the location of the controller check whether LEDs red and green on the receiver indicate proper functions check whether the receiver is properly connected to the controlled device disconnect the receiver from the controlled device and check if the device is working properly without the set of controller
16. n be deactivated with the key uii EUROSTER 2026 2026TX User Manual 10 Designation of hours days If specified time is expressed in hours the letter h is displayed after the number if in days the display shows d and word Date appears above the number on the right Temporary temperature change In contrast to the holiday mode no duration is set in the procedure of temporary temperature change This mode is active until the next program starts To activate this feature define the preset temperature with the buttons and 2 After 3 seconds it will be stored You can also confirm the setting with the key ok The display will show the symbol Example Pi maintains a temperature of 20 C from 9 00 am P2 21 C from 14 00 At noon the user activates the temporary temperature change at 15 C The target temperature will be 09 00 12 00 20 C 12 00 14 00 15 C 14 00 21 C This feature can be deactivated by turning the knob onto any day of week then back to START Anti freeze mode standby In the anti freeze mode the controller is configured for maximum energy saving If it regulates air conditioning it is turned off If the controller regulates heating it maintains the minimum controllable temperature 5 C in order to prevent the installation from freezing To activate this feature press and hold for more than 3 seconds The display contents disappear there remain only th
17. ply 2 AA alkaline batteries Output load 16 A 230 V AC 1 pole changeover relay External temperature sensor NTC 10kQ at 25 C Automatic switch between summer and winter time Anti stop system the relay is switched on for 1 minute once a week Dimensions L H W 132 5 x 85 x 27 6 mm CE declaration of conformity is available on the website http www euroster com pl EUROSTER 2026 2026TX User Manual 2 PROPER PLACE FOR INSTALLATION To ensure fully efficient controller operation please observe the following recommendations regarding the placement of the device 1 2 6 7 8 The controller is designed for indoor wall mounting at a height of about 1 5 m above the floor Avoid places with strong sunlight near heating or cooling equipment directly by the doors windows and other such locations where the temperature measurement could be easily disturbed by external conditions Avoid areas with poor air circulation such as behind furniture Avoid wet areas due to the negative effects of moisture on the service life of the device Prior to installation make sure that all repair restoration works in the room have been completed and the installation place is not covered with fresh paint or plaster Levelling of the regulator is not necessary Slip excess cables back into the wall during the tuning of the device placement In case of draught any gap should be filled non combustible substance Insert the ba
18. rature fluctuations As opposed to the on off regulation current status of the relay depends not only on the current difference between the preset and the measured temperature but also on past temperature changes For example if the measured temperature is lower than the preset one for a long time the controller turns the heating device permanently on In order to use the PI mode its parameters must be set Minimum duration of activity Con 1 5 Means the minimum time for which that the controller switches the relay on in one cycle Number of cycles per hour CPH 3 6 9 12 Number of switching cycles per hour The times of activation and deactivation are calculated by the controller EUROSTER 2026 2026TX User Manual 7 Range of proportional control width Pb 1 5 3 0 If the difference between the preset and the measured temperature is in the range of proportional control the controller calculates the times of activation and deactivation Outside this range the output is turned on or off continuously Setting the parameters of PI algorithm 1 Hold H and together for at least 3 seconds The controller displays the word Con and shows the current setting 2 Select the desired value with the keys 5 and 2 3 Confirm with the key or wait 15 seconds until the change is cancelled 4 Repeat steps 2 3 for setting CPH and Pb Adjustment of measured temperature calibration Range of calibration from 4 0 C to 4
19. ted by lighting of the green LED for about 1 second For this reason the indicator of the controller can light up earlier than the control device is turned on Time difference should not be greater than 1 min Similar situation may occur when turning the heating appliance off Given the heat capacity of the EUROSTER 2026 2026TX User Manual 14 buildings this is not significant to the economy of regulation and has no effect on the cost of heating An electrical oil or gas appliance consuming more power than the maximum load of contacts can be connected only through an external relay with appropriate characteristics If in doubt please consult the distributor or manufacturer Large inductive and capacitive loads should be avoided as they cause burnout of the relay s contacts Green light on the receiver RX indicates e receiving a signal from the transmitter lights up every 1 minute for about 1s e lack of communication indicated by rapid flashing caused by 7 consecutive missed connections Fast pulsing of the green LED means also e distance of the receiver from the transmitter too long reduce the distance e discharged batteries replace with new alkaline ones Partially discharged batteries can cause a decrease of the signal range battery replacement is advised gt Pe Red LED indicates that the heating function of the boiler or other device is switched on 6 WIRING DIAGRAM EXAMPLE EUROSTER TXRX Presented d
20. tteries observing correct polarity Note Charge a qualified installer with the installation of the controller Do not install the regulator showing any mechanical damages 3 OUTSIDE VIEW OF THE CONTROLLER BODY H and increase decrease press and hold to quicken the change press to display the current date press and hold for 3 seconds to set the date and time toggles Anti freeze mode 5 C FA press to display the operating time press and hold for 3 seconds in order to reset to confirm press the key LOK J toggles Holiday mode press to select the program that will be copied confirmation EUROSTER 2026 2026TX User Manual 3 Note Upon changing any value the corresponding item on the display starts blinking This should be understood as a request for confirmation If the users approves the change with the confirmation button it will be stored If not confirmed within 15 seconds the controller cancels the changes and returns to normal operation DISPLAY e amp zZ Hysteresis Calibration Qf C From To Hold Temp Date 1 234567 PTR NBs OERA Date shows the current date not time 1 2 3 7 day of the week 1 Monday 7 Sunday Number on the left side temperature measured or preset C degrees Celsius SET change the settings Number on the right side time current preset or operating time when measuring operating time range 00 00 999 59 Ist
21. y in case of loss of communication with the transmitter discharged battery interference Such a state is indicated by fast flashing of the green LED and follows 7 consecutive missed pulses from the transmitter If this condition persists for a longer time the receiver is automatically turned on for twenty minutes every three hours so as not to lead to cooling of the rooms As soon as the communication is re established disruption disappearance batteries replaced the receiver automatically turns off and the system returns to operate with the transmitter TX 3 The signal sent to EUROSTER RX has a nature of coded digital transmission This allows for an operation of multiple EUROSTER TX controllers on a small area without fear of cross interference When using two receivers RX always keep them at least 0 5 m from each other Controllers are always paired with receivers of the same code and there is no possibility of exchange of a single module The code is printed on the receiver RX sticker at the plug side and the controller TX transmitter on the left side of the battery compartment or on the back of the housing However if doubts in this respect arise please contact the dealer or the manufacturer 5 OPERATION Because of the one way signal transmission and safety of the user of heating or cooling equipment EUROSTER TX sends every minute a short coded message confirming the status of the relay of the EUROSTER RX receiver It is indica
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