Energy saving tips without sacrificing comfort
• Never allow room temperatures to exceed
21 °C.
• Select energy saving mode, 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.
Are your rooms too warm / too cold?
+
-
By pressing these buttons, you increase or
decrease the room temperature setpoint in
increments of 0.5 °C. The display first shows the
newly selected temperature and then the
measured actual value again.
These changes are only valid 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 temperature setpoint of normal operation
or energy saving mode to suit your needs.
Do you want to select automatic operating mode?
If that is the case, press
until the display
shows the
symbol.
The controller will switch the heating output
according to the automatic switching pattern.
Do you require continuous normal operating
mode?
Press until the display shows the symbol
to indicate that normal operating mode is
selected. In normal operation, this ensures
continuous heating to the normal temperature.
Do you require continuous energy saving mode?
Press until the display shows the symbol
to indicate that energy saving mode is selected.
In energy saving mode, this ensures continuous
heating to the energy saving temperature.
Note:
The setpoint in energy saving mode can be set to
0 °C. This means OFF or, in other words, the
controller is not active in energy saving mode
and symbol
will not appear on the display.
Risk of frost!
Do you want to set the controller to frost protection
mode?
Press
until the display shows the symbol
to indicate that frost protection mode is selected.
In frost protection mode, the default setpoint is
5 °C. If the room temperature falls below the
preset frost protection level, it will automatically
activate the heating output.
Do you want to change the temperature set-points
of normal operation or energy saving mode?
or
+
-
Proceed as follows:
• Press
or if you want to change the
setpoint of normal operation or of energy
saving mode.
• The setpoint display starts flashing.
• Press the buttons to change the
temperature setpoints in increments
of 0.5 °C.
• By pressing
, the setting will be saved
and the entry mode quit.
Important:
In energy saving mode, the unit can be set to
OFF. Proceed as follows:
• Change the temperature setpoints to 5 °C
• Press and hold
-
for 4 seconds
Symbol
will not appear on the display.
Risk of frost!
If you want to have frost protection, press the
button for operating mode selection until the
display shows the
symbol.
Do you want to enter your own 7-day switching
pattern for heating?
A switching pattern consisting of 24 segments in the lower
row can be entered for every weekday. Each segment
represents a period of 1 hour. This means that a switching
action can occur every 60 minutes.
Example:
0
Switching pattern for heating with factory setting Mo - Fr
1261824
Non-visible segments:
Controlling to economy temperature
Visibl e segments:
Control ling to nor mal temperature
Automatic operating mode changeover takes place
according to such a switching pattern, provided the
operating mode is set to
.
Proceed as follows:
• Press
once to reach the entry mode.
The current switching pattern for day 1
(Monday) will be displayed. The segment at
the lower left will start flashing and the time
of day 00:00 is displayed.
• Press
+
-
to set the point in time where you
want to assign the operating mode.
• Assignment of the operating mode to a point
in time is made by pressing
and
(point in time will be incremented by one
automatically).
• Press
or
1...7
to save the setting and to
change to the next day.
• When entry of the 7-day switching pattern is
finished, press
and the entry will be
saved.
Caution: 30 seconds after the last entry is made,
the controller will leave the entry mode. In that
case, the last switching pattern changes made will
not be saved!
2/4 Operating Instructions CE1B3038en / 19.10.2005 Building Technologies / HVAC Products