Building automation – impact on energy efficiency - Siemens ...

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Building automation – impact on energy efficiency - Siemens ...

4.2 ong>Buildingong> ong>automationong> and control efficiency

classes

EN 15232 defines four different

BAC efficiency classes (A, B, C, D)

For building ong>automationong> and control

systems:

A

B

C

D

Class

A

B

C

D

Energy efficiency

Corresponds to high energy performance BACS and TBM

• Networked room ong>automationong> with automatic demand control

• Scheduled maintenance

• Energy monitoring

• Sustainable energy optimization

Corresponds to advanced BACS and some specific TBM functions

• Networked room ong>automationong> without automatic demand control

• Energy monitoring

Corresponds to standard BACS

• Networked building ong>automationong> of primary plants

• No electronic room ong>automationong>,

thermostatic valves for radiators

• No energy monitoring

Corresponds to non-energy efficient BACS. ong>Buildingong>s with such systems

shall be retrofitted. New buildings shall not be equipped with

such systems

• Without networked building ong>automationong> functions

• No electronic room ong>automationong>

• No energy monitoring

All processing functions in EN 15232 are assigned to one of the four classes for

residential and non-residential buildings.

60

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