Siemens LMS14 User Manual

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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
To obtain the attenuated outside temperature, the same time constant is used to delay
the filtered outside temperature a second time.
8
10
12
14
16
12:00 24:00 24:00 t
T
12:00 24:0012:00 12:00
TAakt
BZ 8703
BZ 8704
18
6
4
7471d27/0910
Figure 95: Building room model – attenuated outside temperature
Key
Line no. Meaning
8700 TAakt Current outside temperature
8703 TAged Attenuated outside temperature
8704 TAgem Composite outside temperature
Use of the different outside temperatures:
Current outside temperature: Frost protection and 24-hour heating limit
Composite outside temperature: Heating curve and 24-hour heating limit
Attenuated outside temperature: Summer/winter changeover
Note!
The composite and the attenuated outside temperature are reset to the current
outside temperature via the operator unit, when binding a wireless outside sensor or
when connecting a sensor to terminal B9 for the first time.
Attenuated outside
temperature

Siemens LMS14 Specifications

General

Brand	Siemens
Model	LMS14
Category	Control Unit
Language	English