RADSON 51045 Guide D'utilisation page 37

centralise all demands from regulating zone to be able to control
the starting of your boiler, main pump.
You can use a standard receiver to make this function or use the
special receiver with free contact output. (Contact your seller to
order the correct reference)
No thermostat must be linked previously with the receiver.
Then use the same rules described in the One zone part to link it
with your Central.
The receiver will be switch on if minimum one regulating zone
is in demand (1 minute delay will be performed between the
demand and External contact control)
RF Installation – Outside Sensor
The outside sensor will be used to anticipate the temperature
influence due to the external weather.
a) To link the Outside sensor with your main zone programmer
press on the "Outside sensor" button, and follow this rule,
b) Open the Outside Sensor box and press on the RF init
button, the RF Led should blink, first in Red followed by a
Green LED to indicate the correct link.
In the same time on the Central the following screen must
appear:
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