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Siemens Building Technologies Basic Documentation RVA53.242, RVA53.242 CE1P2373E
Landis & Staefa Division General control processes 26.03.2001
6.7 Attenuated outside temperature
Making use of the building’s thermal storage capacity
.
The attenuated outside temperature is the simulated room temperature of a fictive
building that has no internal heat source. This means that it is only the outside
temperature that affects the room temperature.
No direct setting can be made. The generation of the attenuated outside temperature
cannot be influenced.
It is possible, however, to reset the attenuated outside temperature:
1. Press the line selection buttons to select line 34.
2. Press the + / - buttons for 3 seconds.
As soon as the display stops flashing, the attenuated outside temperature is reset
to the actual outside temperature.
The attenuated outside temperature is generated by the controller. It is calculated at
10-minute intervals, based on the actual outside temperature. The factory setting uses
a basic value of 0 °C.
The attenuated outside temperature affects directly only summer / winter changeover.
The attenuated outside temperature acts indirectly, via the composite outside
temperature, on flow temperature control.
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