Q20 RF Receiver, Receiver for Q20 Underfloor Heating Controller

Q20 Radio Frequency Receiver, Receiver for Q20 Underfloor Controller

Press and hold the Pairing button on the receiver until LED 2 starts flashing rapidly.
On the Q20 Central Unit, press the left or right arrow buttons until you reach the corresponding boiler LED, which will flash slowly.
Press the SET button; the green LED will now flash rapidly.
When the LED on the Receiver stops flashing, pairing is successful!
On the controller, press SET again briefly within 5 seconds to exit pairing mode.

Repeat the procedure if you want to pair multiple Q20 units with the same receiver.