Siemens - En 15232

© Siemens Belgium Ltd. 2010. All rights reserved.

Realization and content of standard EN15232

Siemens applications and

products to support EN15232

EMC � Energy Monitoring and

Controlling tool

AOC � Advantage Operation

Center

Building Technologies


May 2010Page 2




May 2010Page 3

EPBD


European Union �Energy Performance of

Buildings Directive (2002)

� Laws and Administrative regulations� Calculation methods� Energy certification of buildings

2006



May 2010Page 4

EPBD – Definition of Energy Performanceof Buildings

� Heating (EN 15316-1 and EN

15316-4)

� Domestic hot water (EN 15316-3)

� Cooling (EN 15243)

� Ventilation (EN 15241)

� Lighting (EN 15193)

� Auxiliary energy

Therm. Energy El. Energy

Energy performance of a building means the amount of energy actually con-

sumed or estimated to meet the different needs associated with a standardized

use of the building, which may include:



May 2010Page 5

EPBD – Definition of Energy Performanceof Buildings

EN15232: “Energy performance of buildings -

Impact of Building Automation, Control and Building Management”

Therm. Energy El. Energy

Energy performance of a building means the amount of energy actually con-

sumed or estimated to meet the different needs associated with a standardized

use of the building, which may include:



May 2010Page 6

Calculation procedures based onBAC efficiency factors – EN 15232

A

B

C

D

BACS Energy Performance Classes

Class A:

� High energy performance BACS

and TBM

Class B:

� Advanced BACS and TBM

Class C:

� Standard BACS

(is normally the reference)

Class D:

� Non energy efficient BACS

BACS – Building Automation and Controls System

TBM – Technical Building Management System



May 2010Page 7

BACS efficiency factors determined fordifferent user profiles – EN 15232

User profiles as defined by EN 15217

Lectu

re h

all

Ho

sp

ital

Ho

tel

Resta

ura

nt

Wh

ole

sale

cen

tre

Off

ice

Sch

oo

l



May 2010Page 8

Function list and assignment to energy performance classes – EN 15232

Individual room control with communication between controllers and to BACS3

Non residentialResidential

D ABCABCD

Definition of classes

Indoor temperature control2

No automatic control0

Outside temperature compensated control1

No automatic control0

Central automatic control1

Individual room automatic control by thermostatic valves or electronic controller2

Integrated individual room control including demand control(by occupancy, air quality, etc.)

4

Control of distribution network hot water temperature (supply or return)

Similar function can be applied to the control of direct electric heating networks

Emission control

The control system is installed at the emitter or room level, for case 1 one system can control several rooms

Heating control



May 2010Page 9

BACS efficiency factors – EN 15232

0,910,9511,080,600,7311,56Wholesale & retail

0,960,9811,050,860,9111,31Hospitals

0,900,9511,070,680,8511,31Hotels

0,920,9611,040,680,7711,23Restaurants

0,920,9311,080,810,8811,10Residential

Class

Electrical energyThermal energy

1,07

1,06

1,10

D

0,86

0,89

0,87

A

0,93

0,94

0,93

B

1

1

1

C

0,80

0,50

0,70

A

0,88

0,75

0,80

B

1

1

1

CD

1,20

1,24

1,51Offices

Lecture hall

Education



May 2010Page 10

EN15232 –

Siemens audit tool

EN15232 –Siemens BACS audit tool



May 2010Page 11

Siemens applications and

products to support EN15232



May 2010Page 12

DESIGO™ –Optimised for every system level

BACnet

Feld

ebene

Auto

mationsebe

ne

DESIGO™ RX

DESIGO™ PX

LONWORKS

DESIGO INSIGHT (BMS)

BACnet / LonTalk

Fie

ld level

Auto

mation level

Managem

ent le

vel

DESIGO RX

DESIGO PX

RXB RXC



May 2010Page 13

Siemens offers solutions and products able to achieve EN 15232 efficiency class A

Energy efficiency functions:

� Energy consumption report

� Alarm and status reports

� Trend reports

� Easy-to-use time schedulers, set points, etc.

Management level

� Demand control with CO2 or presence sensors

� Lighting and blinds control

� Variable speed pump and fan control

Field level

� Generation control with variable temp. dependent on outdoor temp. or load� Sequencing of diff. generators based on various inputs� Interlock heating / cooling� Optimum start / stop� H,x directed control� Individual room control with central operation and data link to primary heating or cooling plant

Automation level

DESIGO



May 2010Page 14

DESIGO™ V4Predictive and adaptive heating controller

Solution:� Outside temperature prediction (integrated)

� Model-based optimization of supply water

temp.

� Start / stop optimization

� Adaptation of model parameters, incl.

adaptive heating curve

Benefits:� Comprehensive control concept

� Comprehensive functionality with few

settings

� One (fully adaptive) function to replace con-

ventional solution consisting of separate

functions (Heating curve, heating release

algorithm, optimum start stop control)

� Proven standard solution

Operation and monitoring on DESIGO Insight:



May 2010Page 15

Dynamic energy management

Document

Visualize

Control

AnalyzeOptimize

Knowledge equals Power!Ignorance equals Impotence!

� BACS

� BACS EMC

� BACS

AOC



May 2010Page 16

EMC � Energy Monitoring and

Controlling tool

AOC � Advantage Operation

Center



May 2010Page 17

Advantage Operation Center (AOC):Dynamic energy management



May 2010Page 18

AOC: How EMC is used

EMC Monitoring

EMC Analyze

EMC Activities

EMC Operations

EMC Events

EMC platform modules

* available soon

EMC Cockpit*

EMC Analytics*

EMC Visualize

EMC Manage*



May 2010Page 19

Processing and presentation of energy and other media consumptions (HDD, benchmark, …)

E M C Monitoring

EMC Analyze : Example overview of activities



May 2010Page 20

EMC Analyze : Example overview of activities

E M C Analyze

Detailed, flexible and dynamic analysis of any data point in EMC



May 2010Page 21

Logging and reporting of all tasks related to the energy management process

E M C Activity

EMC Activity : Example overview of activities



May 2010Page 22

Handling and reporting of events and alarms transmitted from multiple systems

E M C Events

EMC Events : Example overview of events



May 2010Page 23

Secure remote access to any kind of building management systems for “on call service” or additional Siemens support

E M C Operations

EMC Operations : Example operations



May 2010Page 24

Presentation of energy consumptions and other information, like weather forecast and saving tips (“Green Building Monitor”)

E M C Visualize

EMC Visualize : Demo of the Green Building Monitor

The users influence more than 50% of the energy usage!

Documents

Siemens - En 15232