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GENERAL DESCRIPTION OF THE THERMOSTAT

The 

COMPUTHERM 

Q3  RF

  type  switched-mode  room 

thermostat  is  suitable  to  regulate  the  overwhelming  majority  of 

boilers available in Hungary. It can easily be connected to any gas 

boiler or air conditioning device that has a double wire connector 

for a room thermostat, regardless of whether it has a 24 V or 230 V 

control circuit

.

Temperature  can  be  measured  more  precisely  as  compared 

to  simple,  conventional  thermostats.  In  accordance  with  the 
selected switching sensitivity, the thermostat will switch the boiler 
or any other appliances on and off below 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), while the other unit is the receiver that 
controls the boiler. Because there is a wireless (radio-frequency) 
connection between the two units, no cable is required between 
the thermostat and the boiler. The two units have been tuned in the 
factory so that they operate at the same frequency.  The trouble-
free operation is ensured by its own security code. 

To  increase  the  lifetime  of  the  batteries,  the  thermostat  will 

not transmit signals continuously. It will only send signals to the 
receiver whenever it should perform a switch.

 - 2 -

Boiler

Receiver

~ 230V 

50 to 60 Hz

Thermostat

~ 230V 

50 to 60 Hz

Summary of Contents for q3rf

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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