Radio Test; Limiting The Adjustable Temperature Range (Optional); Adjusting The Target Temperature - S+S Regeltechnik RF 642 2-00 Series Manual

Radio test

¾ Pressing the rotary knob activates the radio test.
9 The LED of the connected heating zone is toggled for
1 minutes, thus switched on or off depending on it's current
operating state.

Limiting the adjustable temperature range (optional)

1
DEU
ENG
FRA
4
NDL
ITA
min.
ESP

Adjusting the target temperature

1
18
2
max.
2
3
2x
3