CE1B2225E / 27.01.1999
Subject to alteration
Siemens Building Technologies / Landis & Staefa Division
Do you want to change the temperature level
or will you be absent for a short period of
time?
When pressing this button, you change from
the current temperature level to the other. The
display shows either
, when the change
was made from the economy temperature, or
, when it was made from the normal
temperature. This means you can select the
economy temperature during the time you are
absent. These changes are valid only up to
the next switching point.
Do you want to enter your own temperatures
and heating periods?
The controller has two different switching patterns A and
B which can be assigned to the respective weekday
block 1-5 / weekend block 6-7 (= Auto A/B), or the 24-
hour settings A and B.
Proceed as follows:
A1
Use the setting slider to select the required
switching position (e.g. A1) and press
to enter the required switching
time.
All other switching positions (A2…A6
and B1…B2) are set the same way.
Select «Normal temperature» and press
to set the required value.
Select «Economy temperature» and press
to set the required value.
Auto
Run
Move the setting slider back to this position
and close the cover.
Table for entering selected values
Enter the values set by you in the following table. The
numbers already contained in the table represent
factory settings.
Temp.
6.00
8.00
11.00 13.00 17.00 22.00
Switching times
A1
A2
A3
A4
A5
A6
B1
B2
7.00
23.00 20° C 16° C
22
25
Z
1
2
E
Will you go on holiday?
You can enter the duration of your holiday period. In
that case, the controller immediately switches to
economy mode and back to the selected operating
mode when the holiday period has expired. During the
holiday period, the display shows
and the number of
days left.
Proceed as follows:
Move the setting slider to the holiday symbol
and press
to enter the duration of
the holiday period (99 days max.).
Auto
Run
Move the setting slider back to this position
and close the cover.
If you return from your
holidays earlier than expected, reset the
holiday period to
.
Do you need to change the time of day or the
weekday?
Move the setting slider to the time of day
position and press
to set the
required time of day.
Day
Move the setting slider to the weekday
position and press
to select the
new weekday (1 = Monday…7 = Sunday).
Auto
Run
Move the setting slider back to this position
and close the cover.
Do you wish to return to the factory settings?
°C
By pressing these three buttons
simultaneously, a complete reset is made,
which means that the switching times and
temperatures will be reset to their default
values. Caution: All individual settings will
be lost! At the same time, a display check is
made, which looks as follows:
1
2
3
4
5
6
7
0
6
12
18
24
A B
22
25
Z
1
3
Does the
symbol appear in the display?
If this symbol appears, you need to replace the batteries
within the next three months.
Do you want to change the batteries?
•
Get two new alcaline batteries type AA, 1.5 V.
•
Remove the battery holder, then the batteries, insert
the new batteries and replace the battery holder.
Caution: The setting data are maintained for a
maximum of one minute only!
•
Make certain the old batteries are disposed of
properly, in compliance with environmental
requirements.
Energy saving tips without sacrificing comfort
•
Never allow room temperatures to exceed 21 °C.
•
Press
to change to economy temperature,
even if you are absent for short periods of time only.
•
Air out the rooms for short periods of time only, but
properly, with the windows wide open.
Auxiliary functions
Your room temperature controller provides a number of
auxiliary functions, but these should only be set by your
heating engineer.
