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can  be  modified  so  that  the  display  alternately  shows  the 
current  room  temperature  and  the  adjusted  temperature  for  4 
seconds, respectively. In this mode, notices “

ROOM

” and “

SET

” 

are alternately shown under the currently displayed temperature 
in  the  bottom  right  corner  of  the  display,  indicating  whether  the 
display shows the room temperature or the adjusted temperature 
value.

Attention!

  To  modify  the  factory  default  settings  after  inserting 

the  batteries,  press  the  “Reset”  button  with  a  small  wooden  or 
plastic stick to activate them.

3.4 Synchronising the Thermostat and the Receiver Unit

In  order  to  have  a  safe,  reliable 

and  trouble-free  wireless  (radio-
frequency)  connection,  both  the 
thermostat  and  the  receiver  unit 
have  their  own  safety  codes.  After 
installing  the  receiver  unit,  the 
two  units  should  be  synchronised 
by  pressing  the  “

LEARN

”  button 

next  to  the  battery  compartment  of 
the  thermostat.  Therefore  do  not 
replace the rear panel of the thermostat onto the front panel before 
synchronisation. The process of synchronisation is described in 
Section 7.2.

4. SETTING THE DESIRED TEMPERATURE

The factory default temperature was set to 20°C and in case of 

the default switching sensitivity (± 0.2°C), the thermostat switches 
on  and  off  the  connected  heating  appliance  below  19.8°C  and 
above 20.2°C, respectively. This default temperature can be freely 
changed in steps of 0.5°C between 10°C and 30°C as follows:

Press the       or       button and the notice „

• 

SET

” (adjusted 

 - 6 -

Содержание q3rf

Страница 1: ...COMPUTHERM Q3 RF wireless radio frequency digital room thermostat Operating Instructions...

Страница 2: ...w and above the adjusted temperature respectively and contributes to reduce energy costs while maintaining comfort The device consists of two units One of them is the portable control unit thermostat...

Страница 3: ...sensitivity of the thermostat is 0 2 C 0 3 C This means the difference between the adjusted temperature and the actual temperature measured during the switching process For example if the factory def...

Страница 4: ...maximum temperature in the room where the room thermostat is to be located otherwise the thermostatic head may disturb the temperature control of the flat 2 PUTTING THE THERMOSTAT INTO OPERATION BASI...

Страница 5: ...t of the Displayed Temperature The unit of measurement of the temperature shown on the LCD display can be selected and set by the central jumper With factory default settings the display shows the tem...

Страница 6: ...uble free wireless radio frequency connection both the thermostat and the receiver unit have their own safety codes After installing the receiver unit the two units should be synchronised by pressing...

Страница 7: ...rature is displayed 5 Operation of the Installed Thermostat After connecting commissioning and performing basic settings and setting the temperature the thermostat is ready for operation and controls...

Страница 8: ...is 1 year The icon alternately replacing the temperature value on the LCD display indicates low battery voltage Replace the batteries whenever the ddd icon indicating low battery voltage appears on t...

Страница 9: ...nt N while the phase conductor to point L We propose to interpose a switch so that the receiver unit can be de energized if required The receiver unit controls the boiler through a potential free alte...

Страница 10: ...the temperature of the room Following this the HEAT icon indicating that the heating is turned on should appear on the display of the thermostat within a few seconds At the same time the red LED ligh...

Страница 11: ...wo units are outside the transmission distance of the wireless radio frequency transmitter thus they have to be placed closer to each other 7 4 Manual control of the receiver unit Pressing the MANUAL...

Страница 12: ...ency 868 35 MHz power consumption 1 5 mW battery lifetime approx 1 year dimensions 112 x 75 x 45 mm weight 154 g temperature sensor type NTC 10 K 1 at 25 C Technical data of the receiver unit power co...

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