CE1B2242E / 28.01.1999 Subject to alteration Siemens Building Technologies / Landis & Staefa Division
Operating instructions Landis & Staefa REV26…
REV26… - the temperature controller that allows you to set the ideal room temperature at the time
you want. There are several switching patterns available that can be set to suit your specific
needs. You can either rely on the factory settings or make settings tailored to your personal
needs.
Auto
°C
°
Operation
Weekly mode
with up to 3 heating periods per day
Continuous
normal temperature T3
Continuous
economy temperature
Standby
with frost protection
Operating mode
selector
Change
between normal and
economy mode up to the
next switching point
Warmer/colder setting
valid up to the next
switching point
(increments of 0.2 ºC,
± 4 ºC max.)
Display
Room temperature (measured)
Standby
Normal temperatureHeating on
Economy temp.Holiday mode
Replace batteries
2242Z10E
Commissioning with quick start-up
The controller is supplied with factory-set switching patterns, switching times and temperatures.
To commission it, proceed as follows:
Remove the black transit tabs from the two batteries. Check to see if the battery holder is in its
correct position. The controller switches itself on.
Open the front cover and set the following points:
Day/
Move the setting slider to the position on the left.
-
+
Press the arrow keys to set the correct time of day.
Day
Press the button to set the correct weekday. (1 = Monday…7 = Sunday).
Run
Move the setting slider back to the position on the right, because only that position al-
lows you to close the cover.
Close the cover again.
Auto
Select the required operating mode with the operating mode selector (e.g. Auto).
Fold up operating instructions again, place them into a safe place.
Do you want to use automatic operation?
Auto
If that is the case, move the operating mode selector to the Auto position. With that you
use the weekly setting with up to three heating periods per day.
Do you require continuous normal temperature?
Move the operating mode selector to . This ensures continuous heating to the normal
temperature T3. The display shows
.
Do you require continuous economy temperature?
Move the operating mode selector to . This ensures continuous heating to the econ-
omy temperature. The display shows
.
Do you require continuous standby with frost protection?
°C
Move the operating mode selector to . In that case, heating is provided only when the
room temperature falls below the preset frost protection limit (e.g. 6 °C). The display
shows
.
The temperature for frost protection is set in this level with the arrow keys in the range
between 3…16 °C.
Do you feel too warm or too cold?
°C
By pressing these buttons, you increase or decrease the actual room temperature in in-
crements of 0.2 °C by a maximum of ±4 °C. The display first shows the newly selected
temperature and then the actual value again.
These changes are valid only up to the next switching point.
If, as a result of the factory settings, you always feel either too warm or too cold, you
should readjust the temperatures (e.g. T1) to suit your needs.
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 tempera-
ture, 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.
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