User Manual

Commissioning and quick start
1. Remove controller from its base and open
cover of the battery compartment.
2. Remove the black battery transit tab.
The controller will switch itself on.
3. Close the battery compartment and replace
the controller.
4. Switch on the boiler.
Selecting the operating mode
The operating mode selector enables you
to select 5 different operating modes:
• Automatic operation with a maximum of
3 heating periods
• Continuously comfort mode
• Continuously economy mode
• Continuously frost protection mode
• 24-hour mode with current comfort setpoint
Changing temporarily the current
setpoint temperature
° C
The change is
maintained until
the next switching
point is reached!
1. When pressing the
or button for
the first time, the currently valid setpoint
temperature will be displayed. It can be
readjusted in increments of 0.2 °C
(max. +/-4 °C).
2. After 3 seconds, the initial display will
automatically appear again.
Changing temporarily the
temperature setpoint (savings tip)
In operating modes
and ,
this button can be pressed to make a
manual change from comfort to
economy mode, or vice versa.
The change will automatically be
canceled when reaching the next
switching point or when selecting
another operating mode.
Symbols
Burner active
Economy setpoint
1 heating
period
“Time” menu Error message
Setpoint frost
protection
2 heating
periods
T
“Temperature”
menu
Automatic
operation
Setpoint re-mote
operation
3 heating
periods
“Heating
periods” menu
Continuously
comfort mode
Absence setpoint
Current weekday
“Absence”
menu
Continuously
economy
mode
Actual room-
temperature
Workingday group
Battery change
Frost
protection
Actual outside
temperature (*)
Weekend group
Remote
operation
24-hour mode
Hot water temp.
setpoint (*)
Entire week
Absence
Comfort
setpoint
Actual boiler water
temp. (*)
Relative modu-
lation level in % (*)
Time schedule
(*) Display only possible if these values are provided by the boiler.
Functions of
the ESC-button the setting knob and the OK-button
ESC-button
ESC
Press the ESC-button to return
to the menu level previously
activated or to leave the menu
level in a number of steps until
you reach the initial display
(the settings currently
displayed will be accepted).
+
ESC OK
OK-button:
OK
• You access the menu level
• You activate the menu
• You save the inputs
• You switch to the next
menu item
• You accept the menu item
Setting knob:
• Setting knob is operative in menu levels only !
• You go from one menu to the next
• You change the setting variables (temperature in increments of
0.2 °C, time in increments of hours and minutes)
• You select predefined functions
Setting the time of day and the weekday
OK OK
h
OK
h
OK
ESC
If no button is pressed for 20 seconds, the setting
displayed will be accepted and the initial display
will appear again.
1. OK-button: You access the menu level;
the clock flashes.
2. OK-button: You accept the menu;
the hours flash.
3. Setting knob: Set the current hour.
4. OK-button: You save the input;
the minutes flash.
5. Setting knob: Set the current minute.
6. OK-button: You save the input;
the weekday flashes.
7. Setting knob: Select the current weekday.
8. Press the ESC-button to return to the menu
level: the T menu flashes
(Change not necessarily required; press the
ESC-button again to return to the initial display).
Changing temperatures long-term
OK OK
OK
° C
OK
OK
° C
OK
OK
° C
OK
OK
° C
ESC
ESC
If no button is pressed for 20 seconds, the setting
displayed will be accepted and the initial display
will appear again.
1. OK-button: You access the menu level the
clock flashes.
2. Setting knob: Clockwise to the T menu.
3. OK-button: You accept the menu;
symbol
flashes.
4. OK-button: You accept
;
the setpoint flashes.
5. Setting knob: Set the comfort temperature
6. OK-button: You save the input;
symbol
flashes.
7. OK-button: You accept
;
the setpoint flashes.
8. Setting knob: Set the economy temperature.
9. OK-button: You save the input;
symbol
flashes.
10. OK-button: You accept
;
the setpoint flashes.
11. Setting knob: Set the frost protection
temperature.
12. OK-button: You save the input;
symbol
flashes.
13. OK-button: You accept
;
the setpoint flashes.
14. Setting knob: Set the temperature setpoint
while remote operation is active.
15. Press the ESC-button to return to the menu
level: The heating periods
menu flashes
(Change not necessarily required; press the ESC-
button again to return to the initial display.)
Siemens / Building Technologies / HVAC Products B2217en 26.03.2007
en
Operating Instruction
REA23M