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   1.   What kind of battery can be used?

-The device works with 2 1.5 V alkaline batteries (type LR6; size AA). Only new alkaline batteries may be used in the device. Other batteries that are described as long-life or long-life (e.g. conventional carbon-zinc batteries) or the use of rechargeable batteries are not suitable for operating the device.


   2.   What does the BA symbol that changes between temperatures mean?

-This means the batteries are weak and need to be replaced.

   3.   How do I connect the product?

-The device must be installed / commissioned by a competent person! The device to be controlled must be connected to 1-2 connection points on the back of the receiver. A more detailed description can be found in the operating instructions for the product.

   4th   Is 230 V required for the operation of the thermostat?

- is not required to operate the thermostat transmitter, only 2 1.5 V alkaline batteries (type LR6; size AA) are required.

However, the receiver works with 230 V mains voltage.

   5.  Can you use several Q3RFs next to each other?

- Yes . Each thermostat and the associated receiver have their own security code, which guarantees the safe and trouble-free operation of the devices. Each receiver only receives signals from a thermostat with the same security code. As a result, any number of devices can be used in close proximity to one another without causing problems with device communication.

   6. Why doesn't the thermostat turn on the heating?

-This could be for several reasons. The most common problems are:

    -Use of an unsuitable battery (e.g. a dead or non-alkaline battery)
    Wrong connection (which in the event of an accident will also destroy the relay in the device or the electronics of the                controlled device)
    -insecure radio connection (details see below)
    -Sender and recipient are out of tune and must be retuned (steps to retune          can be found in the operating instructions)

    7th  What is causing the insufficient  RF connection?

-This could be for several reasons. The most common causes are:

     -Use of an unsuitable battery (e.g. a discharged or non-alkaline battery)
     - Too great a distance or too many obstacles (e.g. several reinforced concrete slabs, several thick walls, etc.)             between sender and receiver unit
     - Incorrect placement of the thermostat transmitter or receiver (details see above)
     -Use of other high-frequency devices used nearby that have more power than the standard            send out (in our experience e.g. some baby monitors or wireless earphones)
      other external interference (e.g. high-performance antenna on the roof or nearby)


Using the COMPUTHERM Q2RF signal amplifier socket can solve some of the problems (e.g. too great a distance or too many obstacles between the transmitter and receiver).

   8th.  How do the devices continue to work after the power failure?

-When the power supply is restored, the receiver output is initially switched off. However, since the transmitter repeats its current switching command every 5 minutes, the heating / cooling system control returns to the previously set mode no later than 5 minutes after the power failure.

   9.  Can the thermostat be synchronized with several receivers at the same time?

-Yes sir. COMPUTHERM wireless thermostats can control several wireless devices at the same time, such as: Q1RX socket, Q3RF receiver, Q7RF receiver. To connect to the facility, the receivers must be placed in synchronization mode and then the LEARN button in the Q3RF thermostat must be pressed until the LEDs on the receivers stop flashing.

   10.  What should I do if the thermostatic thermometer does not measure accurately?

-Inside the thermostat there is an orange potentiometer that can be adjusted with a screwdriver. If the rotary knob is turned to the right, the displayed temperature changes after a short time to a higher temperature, if it is turned to the left, it changes to a lower temperature.

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