Multi-zone, wireless, programmable digital room thermostat
The unit comes with two thermostats and a receiver. Optionally, two additional COMPUTHERM Q8RF (TX) thermostats and one COMPUTHERM Q1RX wireless control thermostat can be added. The receiver receives the switching signals of the thermostats, controls the boiler and commands to open / close the heating zone valves for the thermostats (max. 4 zones). Each zone can be operated individually or even simultaneously. This ensures that only the rooms that are needed are always heated.
A separate temperature program can be created for each day of the week. There are 1 fixed switching times and 6 optional switching times per day, each of which can be set to any temperature. There are 4 different options for temporarily changing the program temperature: up to the next program switch, for 1-9 hours, for 1-99 days or for the next manual intervention. In addition, the thermostat allows you to select the switching sensitivity, calibrate the internal thermometer, activate the pump protection function, switch easily between cooling and heating modes and lock the control buttons.
The thermostats are freely portable within the range and are connected to the boiler via a wireless (radio frequency) connection. Its smooth operation is guaranteed by its own security code.
It is recommended for locations where programming and heating system breakdowns are required, and accurate temperature measurement and temperature adjustment, portability and switching accuracy are important.

Videos on using the Computherm Q8RF Thermostat:
1. General description
2. General presentation of the thermostat program
3. Positioning the thermostat
4. Thermostat connection, basic settings
5. Inserting batteries
6. Set the current day and time
7. Programming the thermostat
8 .Temporary temperature change
9. Temperature change until next program switch
10.Temperature adjustment from 1 to 9 hours
11.Temperature change from 1 to 99 days
12.Temperature adjustment until next manual intervention
13.Turn on the backlight
14.Lock the control buttons
15-Battery Replacement
16.Reset to factory default

The most important technical data of the thermostat (transmitter):
• Adjustable temperature range: 5 - 40 °C (in increments of 0.5 °C)
• Temperature measuring range: 3 - 45 °C (in 0.1 °C increments)
• Temperature measurement accuracy: ± 0.5 °C
• Temperature calibration range: ± 3 °C (in increments of 0.1 °C)
• Selectable switching sensitivity: ± 0.1 °C; ± 0.2 °C; ± 0.3 °C
• Battery Voltage: 2 x 1.5V AA Alkaline Battery (LR6)
• Operating frequency: 868.35MHz
• Range: approx. 50m in open ground

The most important specifications of the receiver:
• Power supply: 230V AC, 50Hz
• Boiler control relay load capacity: 24V AC / DC ... 230V AC, 50 Hz, 6A (1A inductive load)
• Zone output voltage: 230V AC, 50Hz
• Zone outputs load capacity: 1A (0.5A inductive load)