Buderus RT20 RF, Инструкция по установке и эксплуатации

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4 Operation
RT20 RF Room Thermostat – 6721844608 (2022/03) 8
3.4 Parameters
The thermostat has a built-in technical parameters menu.
The parameters setting should be adjusted only by
professionals.
To access the parameters menu:
▶ 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.
▶ 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.
▶ Short press on the ESC menu to exit the setting.
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.
4 Operation
Temperature setting
Set the target temperature by rotating the temperature knob in
the thermostat:
▶ Increase the temperature by rotating the temperature knob
clockwise.
-or-
▶ Decrease the temperature by rotating the temperature
knob counter-clockwise.
The target temperature will be displayed when it is set by
rotating the knob. The chosen temperature will be set after
the value flashes 5 times.
Parameter Description
P01
ON temperature
differential
Set the temperature difference to turn
ON heating.
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 difference, the heating is
turned ON.
P02
OFF temperature
differential
Set the temperature difference to turn
OFF heating.
The default is 0.2°C, and the setting
range is 0.0-2.0°C.
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
Room temperature
calibration
Enter P03 parameter to calibrate the
temperature sensor of the thermostat,
(displayed only on the LCD).
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.
P04
Frequency
adjustment
Set the RF communication frequency:
0-9 segment frequency will be
available to choose. Repairing is
needed after the frequency is
modified.
P05
Pair with
thermostat with
receiver
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.
Parameter Description