SETTING ROOM TEMPERATURE
The temperature can be changed by rotating the dial.
The position of the dial allows the user a clear
indication of the required room temperature, and the
status of the heating system.
When the ERT20RF is demanding heat. The red led
below the dial will glow. When the correct temperature
has been reached then the LED will go out.
If LED is flashing continuously in normal
operation then the batteries need replacing.
FROST PROTECTION
Set the dial to 5ºC this will provide protection from
freezing temperature.
Temp set for 15ºC
Temp set for 5ºC
ERT20RF 11