User Manual

Operating elements
Selection of operating mode (see below)
«Warmer» button
«Colder» button
Override button (see below)
ESC
Leaving the current menu level and returning to the menu
level previously active (settings currently displayed will be
accepted)
The rotary knob is only operable within the menus.
Move from menu to menu, modify adjustable variables (tem-
perature in increments of 0.2°C and time in hours and minutes)
and select functions.
OK
Access the menus, enable a menu, save inputs, switch to the
next menu item and acknowledge with the OK button.
Displays
Time of day
° C
Room temperature
Change batteries (display appears about 3 months before bat-
teries are exhausted)
Holiday mode active
Selection of operating mode (only one operating mode active)
Automatic mode
Comfort mode
Economy mode
Frost protection or overheat protection
Special day (24-hour mode with one heating or cooling phase.
The switch-on and switch-off time and the setpoint for the pha-
se are set manually).
Temporary change of the current setpoint temperature
(change only active until the next switching point is reached)
° C
Press the + or – button once to display the adjusted tempera-
ture setpoint. It can be readjusted in increments of 0.2 °C (max.
+/- 4 °C)
3/16
Building Technologies Room temperature controller REA23.03RF CE1N2218en
HVAC Products 17.04.2007