User Manual

Siemens Building Technologies CE1N2222E / 14.01.1999
Landis & Staefa Division 3/6
Factory settings Setting range Setting range with set
point limitation
20 °C 3…29 °C 16…29 °C
16 °C 3…29 °C 16…29 °C
The set points and are the same in both 24-hour modes (A / B).
Manual changeover between normal and economy temperature. This manual action will
automatically be reset when the next switching action takes place or when the operating
mode changes.
If the displayed room temperature does not agree with the temperature measured, the
temperature detector can be recalibrated.
When the setting slider is set to the position
, press button . Then, the display will
change as follows:
2222Z14
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.
When pressing buttons
, and simultaneously, all individual settings will be re-
set to their standard values.
Resetting also serves as a display check:
2222Z13
After a reset, all individual settings such as time, day, switching times, etc., must be re-
entered.
With the help of a suitable remote operation unit, the
REV11T
can be switched to the
economy temperature set for operating mode . Changeover takes place through the
making of a
potential-free contact
connected to terminals T1 and T2.
The display indicates this with the symbol
.
After the contact opens, the selected operating mode becomes active again.
Operation according to the settings made
on the controller
Continuous economy temperature
T2
T1
2252Z05
T2
T1
2252Z06
Suitable remote operation units are:
Telephone modem, manual switch, window switch, presence detector, central unit, etc.
Set points
Override button
Calibration of detector
Reset
Remote operation
(REV11T)