Siemens REA23M 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 hOK
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

Settings for automatic operation with 2 heating periods
OK
OK
OK
OK
OK
h
OK h
OK ° C
OK
OK h
OK h
OK ° C
ESC ESC
/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 menu,
flashes.
3.OK-button: You accept the menu;
the day selection symbol
flashes.
4.Setting knob: Select the days, the working
days, the weekend or the week.
5.OK-button: You save the selection made;
heating period flashes.
6.Setting knob: Counterclockwise to
7.OK-button: Accept ;
heating period 1 flashes.
7.OK-button: You accept heating period 1;
start time of heating period 1
flashes.
9.Setting knob: Set the start time of
comfort period 1.
10.OK-button: You save the input; end time of
heating period 1 flashes.
11.Setting knob: Set the end time of
comfort period 1.
12.OK-button: You save the input; setpoint of
heating period 1 flashes.
13.Setting knob: Set the setpoint of
comfort period 1.
14.OK-button: You save the input;
heating period 2 flashes.
15.OK-button: You accept heating period 2; start
time of heating period 2 flashes.
16.Setting knob: Set the start time of
comfort period 2.
17.OK-button: You save the input; end time of
heating period 2 flashes.
18.Setting knob: Set the end time of
comfort period 2.
19.OK-button: You save the input; setpoint
of heating period 2 flashes.
20.Setting knob: Set the setpoint of
heating period 2.
21.Press the ESC-button to return to the comfort
periods menu: Menu item comfort
periods flashes.
22.Setting knob: To menu item or
heating periods
(Change not necessarily required; press the ESC-
button several times to leave the menu level in
several steps, thus returning to the initial display.)
Settings for automatic operation with 1 or 3 heating periods
The procedure to be followed is the same as that for automatic operation with 2 heating periods. The only
difference being that, in addition, a setpoint for heating periods 3 can be entered (standard setting 21 °C)
Absence / holidays
OK OK
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: To , menu flashes.
3.OK-button: Accept ;
symbol flashes.
4.Setting knob: Set the start (weekday) of your
absence.
5.OK-button: You save the input; the number of
days flash.
6.Setting knob: Set the duration of your absence;
number of days (max. 99 days)
7.OK-button: You save the input;
setpoint flashes.
8.Setting knob: Set the temperature.
9.Press the ESC-button to return to the menu level;
the clock 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
24-hour operation
24-hour operation with only one heating period
(the heating period will automatically be
generated from the current 24-hour program).
Start of the first heating period, end of the last
heating period, plus the currently adjusted
comfort temperature setpoint.
Retrieving the default values
Press the button behind the small opening for at
least one second, thus resetting the user-specific
and the “Permanent-self-learning operating mode”
as well as display of flow temperature, outside
temperature and d.h.w. setpoint to their default
values (the heating engineer settings will not be
changed).
The clock starts at 12:00.
When making a reset, all display fields will light up.
Caution: If the controller is removed from its base
for more than 60 seconds, an error
message will appear on the display.
When sliding the controller back to its
base, the error message must
disappear after 2 minutes at the latest.
Without inserted batteries, reset
functions correctly for a maximum
of 15 seconds only after removing
REA23M from its base.
Default values
Factory settings for heating
Operating mode
Start of continuous operation 00:00 00:00 00:00
End of continuous operations 24:00 24:00 24:00
Setpoint of comfort mode 19 °C
Setpoint of economy mode 16 °C
Setpoint frost protection 5 °C
Setpoint
remote operation 10 °C
Setpoint absence 12 °C
Operating mode
Selected periods
Start of period 1 07:00 06:00 06:00
End of period 1 23:00 08:00 08:00
Start of period 2 17:00 11:00
End of period 2 22:00 13:00
Start of period 3 17:00
End of period 3 22:00
Setpoint of period 1 19 °C 19 °C 19 °C
Setpoint of period 2 20 °C 20 °C
Setpoint of period 3 21 °C
Setpoints and see above
Changing the batteries
2 Alkaline batteries type AA 1.5 V
When this symbol appears, the batteries must
be replaced within 3 months.
1. Remove controller from its base.
2. Open battery compartment at the rear and
replace the batteries.
3. Close battery compartment and replace the
controller.
Note:
When changing the batteries, the current data are
maintained for a maximum of one minute.