BOSCH RT20 RF Room Thermostat User Manual
Installation
Parameter
P01
Description
Set the temperature difference to turn ON
heating.
The receiver cannot be placed inside the wall-hung boiler. The
boiler metal shell will shield or interfere with the wireless
communication of the devices.
ON temperature
differential
The default is 0.2°C, and the setting range
is 0.0-2.0°C.
When the room temperature is lower than
the set temperature and the difference
reaches the pre-set temperature
- Wall and 86x86mm wall box mounting
The receiver can also be mounted on the wall.
Similarly to the thermostat, it can be directly mounted to the
wall with screws or inserted onto a 86x86mm wall box.
difference, the heating is turned ON.
P02
Set the temperature difference to turn OFF
heating.
For these mounting modes, the mounting process will be the
same as for the thermostat.
OFF
temperature
differential
The default is 0.2°C, and the setting range
is 0.0-2.0°C.
3.4 Parameters
The thermostat has a built-in technical parameters menu.
When the room temperature is higher than
the set temperature and the difference
reaches the pre-set temperature
difference, the heating is turned OFF.
P03
Enter P03 parameter to calibrate the
temperature sensor of the thermostat,
(displayed only on the LCD).
The parameters setting should be adjusted only by
professionals.
Room
temperature
calibration
To access the parameters menu:
Rotate the dial to increase or decrease the
temperature. Press the button once to set
the new temperature value. After setting is
stored, the new value will be used as the
room temperature.
▶
Open the back cover of the thermostat and access the
buttons on the board on the front cover.
▶
Rotate the button and wait for the LCD screen to start
flashing.
P04
Set the RF communication frequency:
0-9 segment frequency will be available to
choose. Repairing is needed after the
frequency is modified.
▶
▶
Press and hold for 3 seconds, the LCD will display P01.
Rotate the dial to switch to the menu of P01-P02-P03-P04-
P05-ESC, and press the button to set the new value.
Press again to reset or exit the setting.
Frequency
adjustment
▶
▶
P05
Press and hold the button of the receiver
for 3s. The green LED will flash to indicate
that it is ready to pair. After paring, the
receiver will stop flashing.
Short press on the ESC menu to exit the setting.
Pair with
thermostat with
receiver
For P03, it is important to use a more accurate thermometer
while calibrating. Use this function only when the thermostat is
not working normally.
For P03, avoid touching the thermostat cover and the
temperature sensor head while calibrating, as this may affect
the temperature calibration.
TR20 RF Room Thermostat – 6721844607 (2022/03)
26
| General | Details |
|---|---|
| Name | BOSCH RT20 RF Room Thermostat User Manual |
| Make | Bosch |
| Language | English |
| Filetype | PDF (Download) |
| File size | 4.26 MB |
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