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Mission BACnet
Nicht -Wohngebäude
im Bestand mit einer
Heizungs bzw. Klimaan-
lage, deren Nennleistung
290 kW oder größer ist,
müssen bis Ende 2024
mit einer Energie
überwachungstechnik
ausgestattet werden.
Non-residential buildings
in existing buildings with a
heating or air conditioning
system with a rated output
of 290 kW or more must
be equipped with energy
monitoring technology.
Degrees of automation according to DIN pressure sensors in the flow and return
V 18599 circuits and connection to an external Über den Autor
control system are possible.
H
As described above, “automation level B or eating or cooling must be generated on Parallel ist Hr. Prof. Dr. Krödel Geschäftsführer
vom Institut für Gebäudetechnologie sowie einge-
better” in accordance with DIN V 18599-11 the basis of “room temperature control”: tragener Energieberater („dena Energieeffizienz-
is required in some places. It can be assumed This means that the specific heating or Experte“). Er ist Mitglied im VDI-Richtlinienaus-
that the requirements initially “only” relate to cooling load from the rooms must be schuss zur VDI 3814 (Gebäudeautomation), der
Jury für den Award der SmartHome-Initiative sowie
the heating trade, as the requirements are reported to the generator so that it can im wissenschaftlichen Beirat des Gebäudeenergie-
listed in the law in a corresponding thematic adjust accordingly. berater Ingenieure Handwerker Bundesverband e. V.
section. Due to the explicit mention of cool- (GIH). Der Schwerpunkt seiner Arbeit liegt darin, die
ing, its automation requirements should also Conclusion Themen „Smart Building“ sowie „E-Mobility“ über
pragmatische Vorgehensweisen und Hilfsmittel für
be affected. According to initial legal assess- die Praxis anwendbar zu gestalten.
ments, automation requirements for lighting, After the legal minimum requirements previ-
shading or ventilation, as listed in DIN V 18599 ously only concerned the insulation status of About the Author
Part 11, are not mandatory. buildings or the system technology, the legisla-
tor has recognized that there is further energy This article is authored by Prof. Dr. Krödel, who
The requirements for achieving automation reduction potential in building automation and brings a wealth of expertise and experience in
level B or better in the areas of heating and has initially introduced a minimum degree of the fields of building technology, energy efficiency,
and smart building innovations. As the Managing
cooling are essentially. automation in non-residential buildings. The Director of the Institute for Building Technology and
R
oom temperature control with communi- detailed requirements are straightforward and a registered “dena energy efficiency expert,” Prof.
cation: This means that the actuators must should be taken into account at the planning Krödel’s insights are informed by both his extensive
be electronically controlled and communi- stage. If this is not done, there is a risk that research and practical involvement in the industry.
His participation as a member of the VDI guidelines
catively connected to each other. The a client will demand subsequent performance committee for VDI 3814, his contributions to the
communicative connection must include the free of charge. SmartHome Initiative award jury, and his role on the
distribution network and the heat or cooling scientific advisory board of the German Association
of Building Energy Consultants, Engineers and
generator. Craftsmen (GIH) further underscore his commitment
T
he flow temperature must be de- to advancing the practical application of smart
mand-controlled: This includes the specific building and e-mobility solutions.
heating and cooling requirements in the
rooms; purely weather-based flow
temperature control based on the outside
temperature is explicitly not sufficient.
he circulation pumps must at least be Prof. Dr. Michael Krödel
T
Professor für Gebäudeautomation und -technologie
operated with differential pressure control: bei der Technischen Hochschule Rosenheim
This is probably implemented in most cases michael.kroedel@th-rosenheim.dewww.th-rosenheim.de
via appropriate pumps; alternatively,
BACnet Europe Journal 40 03/24 27
