Siemens Albatros2 AVS37 User Manual Page 71

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Siemens Switzerland Ltd User Manual CE1U2353en
HVAC Products Heating circuits 02.06.2009
The flow temperature is controlled depending on the room temperature setpoint, the
current room temperature and the progression of the room temperature. For example, a
slight increase of the room temperature causes an immediate drop of the following
temperature.
To activate the function, following must be considered:
A room sensor must be connected.
“Room influence“ must be set to 100 %.
There should be no thermostatic radiator valves in the reference room (mounting
location of the room sensor). (If such valves are present, they must be set to their
fully open position).
Room temp limitation
Line no. Operating line
HC1 HC2 HCP
760 1060 1360 Room temp limitation
The "Room temperature limitation" function enables the heating circuit pump to be
deactivated should the room temperature exceed the current room temperature
setpoint by more than the adjusted differential.
The heating circuit pump will be activated again as soon as the room temperature
returns to a level below the current room temperature setpoint.
During the time the "Room temperature limitation" function is active, no request will be
sent to the heat source.
Room temperature limitation does not work in the case of pure weather
compensation.
OFF
ON
P
°C
TRx
TRw+SDR
2371D02
TRw
t
TRx Actual value of room temperature
TRw Room temperature setpoint
SDR Room switching differential
B Pump
t Time
Boost heating
Line no. Operating line
HC1 HC2 HCP
770 1070 1370 Boost heating
Boost heating is used to reach the new setpoint more quickly when switching from the
Reduced setpoint to the Comfort setpoint, thus reducing the heating up time. During
boost heating, the room temperature setpoint is raised by the value set here.
A higher setting leads to shorter heating up times, a lower setting to longer heating up
times.
Room compensation only
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