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Example:  
 
Pre-set zone temperature: 23˚C  
Minimum opening: 30%  
Maximum opening: 90%  
Range: 5˚C  
Hysteresis: 2˚C  
 
In the above example, the thermostatic valve starts closing at the temperature of 18˚C (pre-set value minus Range). The 
minimum opening is reached when the zone temperature reaches the pre-set value.  

Once the pre-set temperature has been reached, the temperature starts falling. At the temperature of 21˚C (pre-set value 
minus hysteresis), the valve starts opening. The maximum opening is reached at the temperature of 18˚C. 

EMERGENCY MODE – this function opens the actuators if an alarm occurs in a zone (sensor failure, communication 
error). 

PROTECTION – Once this function has been selected, the controller checks the temperature. If the pre-set value has 
been exceeded by the number of degrees specified in the <range> parameter, all actuators in the zone will close (0% 
of opening). This protection is enabled by default. 

2.10.

 

WINDOW SENSORS 

 

Registration – in order to register a window sensors, select <Registration> and press quickly the communication 
button on the window sensor. Release the button and watch the control light. 

- control light flashes twice - proper communication established. 

- control light lights up continuously - no communication with the main controller. 

NOTE 

The controller supports the maximum of 6 window sensors in a zone. 

 

 

Sensor removal – this function is used to remove all the registered  sensors in a given zone from the controller 
memory. 

Содержание EU-L-4 WIFI

Страница 1: ...1 Eu l 4 wifi...

Страница 2: ...g 11 2 4 Zone valve 11 2 5 Pre set temperature 12 2 6 Operation mode 12 2 7 Hysteresis 12 2 8 Calibration 12 2 9 Actuators 12 2 10 Window sensors 13 3 Operation modes 14 4 External sensor 14 5 Floor P...

Страница 3: ...3 3 Statistics tab 24 4 Settings tab 24 VII Software update 25 VIII Protections and alarms 25 IX Technical data 27 KN 2020 09 23...

Страница 4: ...stance of the electric motors as well as the insulation resistance of the cables The regulator should not be operated by children NOTE The device may be damaged if struck by a lightning Make sure the...

Страница 5: ...ireless window sensors C 2n max 6 per zone 1 relay output voltage free contact for controlling the pump or the heating device 4 relay outputs for controlling wired floor actuators in the first 4 zones...

Страница 6: ...t the menu cancel the settings choose the screen view WiFi Zones Additional contacts 2 minus button view menu functions decrease the value while editing parameters 3 plus button view menu functions in...

Страница 7: ...hing live connections Before working on the controller switch off the power supply and prevent it from being accidentally switched on NOTE Sensor cables and supply cables should be connected to proper...

Страница 8: ...up the controller shows WiFi network screen The screen view may be changed by pressing EXIT button and selecting a different screen 1 WIFI SCREEN 1 Network status 2 Network name 3 Day of the week 4 D...

Страница 9: ...icon is displayed on the left When the temperature outside is above 5 C a sun icon is displayed on the left 8 Current time 9 Type of weekly schedule active in the highlighted zone 10 Information about...

Страница 10: ...e Holiday mode Economical mode Comfort mode External sensor Registration ON Calibration Floor pump Built in contact External contact Zones Activation delay Anti stop pump Voltage free contact Built in...

Страница 11: ...register the floor sensor C 8f in a given zone first register the zone sensor then select Registration in the the L 4 controller and press the communication button on the selected C 8f sensor After s...

Страница 12: ...SIS Hysteresis defines tolerance of the pre set temperature in order to prevent undesired oscillation in case of small temperature fluctuation within the range 0 1 10 C with the accuracy of 0 1 C Exam...

Страница 13: ...nication error PROTECTION Once this function has been selected the controller checks the temperature If the pre set value has been exceeded by the number of degrees specified in the range parameter al...

Страница 14: ...rameter Menu Zones Temperature settings Economical temp Comfort mode the pre set temperature depends on the Temperature settings parameter Menu Zones Temperature settings Comfort temp 4 EXTERNAL SENSO...

Страница 15: ...Once the module has been registered it is possible to choose the operation mode of the contact weekly control or the control of the zones to which the additional contact is assigned The additional co...

Страница 16: ...Additional contacts the screen shows the status of additional contacts controlled using weekly control mode Apart from that the user may adjust the display contrast the screen brightness the blank scr...

Страница 17: ...em In order to take full advantage of it it is necessary to create an account Once logged in go to Settings tab and select Register module Next enter the code generated by the controller to generate t...

Страница 18: ...devices Tap on the tile to adjust the operation parameters NOTE No communication message means that the communication with the temperature sensor in a given zone has been interrupted The most common...

Страница 19: ...t a separate pre set temperature value which will apply in the zone regardless of the time Selecting Constant temperature icon the user may choose the temperature with time limit The mode enables the...

Страница 20: ...20...

Страница 21: ...ly schedule assigned to a particular zone Once the controller detects the room sensor the schedule is assigned automatically to the zone It may be edited by the user 2 Global schedule Schedule 1 5 A g...

Страница 22: ...be active e g from Monday to Friday and the weekend The starting point for each program is the pre set temperature value For each program the user may define up to 3 time periods when the temperature...

Страница 23: ...zone names and corresponding icons In order to do it go to Zones tab 2 FITTER S MENU TAB The Fitter s menu tab enables the user to configure the parameters of the room sensor the floor sensor the val...

Страница 24: ...temperature values for different time periods e g 24h a week or a month It is also possible to view the statistics for the previous months 4 SETTINGS TAB Settings tab enables the user to register a n...

Страница 25: ...teries in the sensor regulator STT 868 actuator alarm Actuator alarm ERROR 0 low battery level Flat battery in the actuator Replace the batteries Actuator alarm ERROR 1 possible damage of mechanical o...

Страница 26: ...istance too early The valve stroke is too small or the valve dimensions are not typical Actuator current sensor is damaged Low battery level Replace the batteries Call the service staff Error 4 No fee...

Страница 27: ...for energy related products EU OJ L 2009 285 10 as amended as well as the regulation by the MINISTRY OF ENTREPRENEURSHIP AND TECHNOLOGY of 24 June 2019 amending the regulation concerning the essentia...

Страница 28: ...28...

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