User Manual

Operating elements
Selection of operating mode
(4
th
priority for actual valid temperature setpoint)
Warmer button
Colder button
Override button
(3
rd
priority for actual valid temperature setpoint)
ESC
Leaving the current menu level and returning to the previ-
ously active menu level (the 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 option and acknowledge with the OK button.
Normal display
Time of day
° C
Room temperature
° C
Relative modulation
level in %
° C
Flow temperature
° C
Outside temperature
° C
DHW temperature setpoint
Alternating display / alternates
each few seconds
(If provided by the boiler, auto-
matic display of these data.
Display can not be suppressed
manually.)
Change batteries (display appears about 3 months before
batteries are exhausted)
Remote control active
(1
st
priority for actual valid temperature setpoint)
Holiday mode active
(2
nd
priority for actual valid temperature setpoint)
3/14
Building Technologies Room temperature controller REA23M CE1N2217en
HVAC Products 17.04.2007