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EUROSTER 2026TXRX 

 INSTALLATION AND OPERATION MANUAL

 

11

 

 

 

insert the second receiver into a mains socket. 

 

Press the button on the receiver 3 times 

 the blue LED lights up, 

 

when the receiver is detected, the blue led goes out, 

 

Proceed  similarly  with  the  connection  of  the  subsequent  receivers,  then  press  the 
button on the transmitter board. The pairing mode is ended. 

Caution! Pairing mode is only available for 10 minutes after connecting the receiver 
to  the  mains,  resetting  it,  or  installing  batteries  in  the  thermostat! 
Factory-established pairs are paired, however, pairing may be repeated if necessary.  

SELECTING OPERATING MODE 

While  holding  the  "

B

"  button  pressed,  insert  the  receiver  into  a  mains  socket.  Depending  on 

the mode set, the green or red LED lights up. Each time the button is pressed, the operating 
mode changes. When you select the mode, the receiver restores operation. 
Green 

  normally  open  mode  (COM 

  NO).  It  is  the  mainly  used  operation  mode.  While  the 

device operation indicator is active, the output cables are shorted. 
Red 

  normally  closed  mode  (COM 

  NC).  While  the  device  operation  indicator  is  active,  the 

output cables are opened. 

Caution! The factory default setting is (COM-NO). 

9.

 

FIRST START 

When inserted into the mains socket, the receiver indicates the relay operating mode. A flash 
of green LED 

 normally open mode (COM-NO), a flash of red 

 normally closed mode (COM-

NC). 
Any change in the status of the thermostat (switching the heating on/off) is made immediately 
by the receiver, while the confirmation that the radio signal is received from the transmitter is 
repeated every 15 minutes. 

RADIO SIGNAL STRENGTH 

The  radio  signal  strength  is  indicated  together  with  the  reception  of  the  transmitter  signal. 
Radio signal reception is indicated in green. LED flashing three times stands for a very strong 
range, twice for a strong range, and once for sufficient range.   

NO RADIO COMMUNICATION 

If the communication between the thermostat and the receiver is interrupted (e.g. discharged 
batteries)  and  if  this  condition  lasts  for  60  minutes  (no  response  from  the  receiver),  the 
receiver switches to the frost protection mode. The heating device will be switched on every 3 
hours  for  20  minutes  to  prevent  the  rooms  from  being  cooled  down.  At  the  time  of  re-
establishing  communication  (e.g.  replacement  of  batteries),  the  receiver  will  automatically 
switch the system off and resume operation. 
If there is no radio communication, the green LED flashes rapidly. 

CONTINUOUS OPERATION OF HEATING DEVICE (MAN) 

In the event of system failure, it is possible to manually switch on the heating. Move the switch 
on the RX receiver to the MAN position. Such status is indicated by a rapid flashing of the red 
LED. 

RECEIVER SIGNALING TABLE. 

Function 

Signaling 

Pairing 

Blue 

Reception of radio signal 

Green 

No radio communication 

Green 

 flashing 

The heating/air-conditioning device is switched on 

Red 

Manual mode  

Red 

 flashing 

 

 

 

Summary of Contents for 2026TXRX

Page 1: ...floor heating and air conditioning systems The thermostat allows you to program 4 different temperature levels for each day of the week Each temperature is modifiable within the range of 5 C 35 C 2 BA...

Page 2: ...acation mode on off press to select the program to be copied confirming Notice Changing any value causes the corresponding field on the display to flash It should be understood as a confirmation reque...

Page 3: ...the thermostat The electric connections performed and cables used shall be adequate to the applied loads and must conform to all requirements Do not install the set in rooms with increased humidity pr...

Page 4: ...ting due to flat batteries YES NO If the batteries are flat the thermostat can perform an emergency switch off of the re lay protection against the uncontrolled operation of the heating device When th...

Page 5: ...s for minutes year month and day 4 Having set the day of the month confirm all changes by pressing button or press button to return to the settings and correct the values entered SETTING HYSTERESIS 1...

Page 6: ...at You can set 4 different temperatures for 4 different periods for each day of the week individually Setting programs for the entire week may be tedious so the thermostat is equipped with a function...

Page 7: ...es that the source of the program is Monday Notice Press the button again to exit the copy mode 3 Use the knob to select a day of the week to which you want to copy the program from Monday e g Tuesday...

Page 8: ...essing RESTORING NORMAL OPERATION The thermostat automatically restores normal operation at a specified time If the selected period was expressed in days normal operation will be restored at midnight...

Page 9: ...at least 3 seconds After 3 seconds the thermostat is locked and symbol appears on the display 3 Turn the knob to the START position Follow the same steps to unlock the thermostat Active interlock doe...

Page 10: ...Each thermostat and each receiver has a unique number that distinguishes it from others It is not possible for any thermostat not paired with the particular receiver to interfere with the operation of...

Page 11: ...ally closed mode COM NC Any change in the status of the thermostat switching the heating on off is made immediately by the receiver while the confirmation that the radio signal is received from the tr...

Page 12: ...ble using COM NO contact normally open 3 Euroster RX receiver 4 Euroster TX placed in any room In arrangement with a gas boiler 1 Electrical connection block 2 Output cable using COM NO contact normal...

Page 13: ...ight Thermostat without batteries 171 g receiver 170 g Warranty period 2 years Length of the receiver output cable 2 m The operating frequency of the set 868 MHz Maximum power of transmission of the t...

Page 14: ...ns and nature resulting from the possible presence of hazardous components in the equipment and batteries and inaccurate storage and processing of such equipment and batteries Households play an impor...

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