Settings
6 720 643 409 (2010/03)
60
Example
With the factory settings, hysteresis is changed, as
follows:
When the flow falls below the set point value with half
the hysteresis, there is heating demand and when it
exceeds the set point value with half the hysteresis, the
heating demand is met.
>> Room sensor
>>> Room temperature influence
B Set how much a 1 K ( °C) difference in room
temperature should influence the set point value for
the flow temperature.
Example: at a 2 K ( °C) deviation from the set room
temperature, the set point value for the flow
temperature is changed by 6 K ( °C) (2 K deviation *
factor 3 = 6 K).
The menu is displayed only if a room sensor is installed.
>>> Knob's operating range
B Set how many degrees the turn of the knob of the
room sensor should represent between + and – .
6K means that a full turn to + gives approx. +3K and a
full turn to – gives approx. -3K.
>>> Acknowledge room sensor
B Indicate No only if the room sensor, even if it is
installed, should not be used.
The room sensor measures the temperature in the room
where it is located. The value is compared with the set
desired room temperature under Room temperature
program.
>> Room temperature program
B Choose if the circuit should be controlled with a
program or not.
Optimised operation
This means that the control unit is only controlled by the
flow set point value (Æ Chapter 15.1.1), without
programmed changes during the day. Optimised
operation provides the best comfort and energy savings
in the vast majority of cases.
Program 1 and 2
These selections provide an opportunity to define own
programs for time control by adjusting the start and stop
times, as well as a normal and an exception temperature.
To set the desired time of day:
B Select Program 1 or Program 2.
B Go to menu View/edit active program.
B Select day by turning the menu dial.
Fig. 58
Time Hysteresis
At start/stop for
heating demand
16K
2 min 14K
5 min 12K
10 min 10K
14 min 9K
20 min 8K
Tab. 54 Hysteresis
Factory setting 3.0
Lowest value 0.0
Highest value 10.0
Tab. 55 Room temperature influence
Factory setting 6K
Lowest value 0K
Highest value 6K
Tab. 56 Operating range, room sensor knob
Factory setting Yes (if correctly installed)
Alternative Yes/No
Tab. 57 Acknowledge room sensor
F value Optimised operation
Alternative • Optimised operation
• Program 1
• Program 2
Tab. 58 Program selection, circuit 1
Program Day Start Stop
Program 1, 2 Mon - Sun 5:30 22:00
Tab. 59 Program 1 and 2
6 720 643 415-13.1I
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