CE1P2276E / 31.03.1999
Basic Documentation REA22
Issue 2.0
Siemens Building Technologies
24/30
Description of heating engineer settings
Landis & Stefa Division
4.4
Functional check
•
Check the display. If there is no display, check the correct fitting and function of the
batteries
•
Open front cover
•
Mover setting slider to mode
T3.
–
In the case of heating mode, set the set value temperature to 29 °C by using
button
–
In the case of cooling mode, set the set value temperature to 3 °C by using but-
ton
•
Mover setting slider to AUTO/RUN
•
The relay and thus the regulating unit must respond after no more than one minute.
If this is not the case:
–
Check regulating unit and wiring
–
Room temperature may be higher than 29 °C or lower than 3 °C
•
Reset setpoint temperature
T3 to its previous level
4.5
Calibration of sensor
If the displayed room temperature does not agree with the measured temperature, the
temperature detector can be recalibrated.
When the setting slider is set to the position
Day/
, press button
. Then, the display will
change as follows:
1
2
3
4
5
6
7
0
6
12
18
24
22
76
Z
1
4
By pressing button
or
, the temperature can be changed in increments of
0.2 °C (max. ±2 °C). On completion of the readjustment, the setting slider must be reset
to the AUTO/RUN position.
