INTRODUCTION TO BACS AND TBM - 17th CLIMATIZATION DAYS ODE, Lisbon October 26th, 2017 - Ordem dos Engenheiros
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17th CLIMATIZATION DAYS
ODE, Lisbon October 26th, 2017
Dr.eng. Cătălin LUNGU
22nd RGB Vice-president of REHVA
INTRODUCTION TO BACS AND TBM
Federation of European Heating, Ventilation and Air-conditioning Associations
SUMMARY
GUIDE BOOK 22nd *
REHVA Guidebooks
Preliminary info about Guide Book 22nd ; scope
Table of contents
BAC introduction, classes and architecture
Operational energy performance and IEQ
BAC & the EU‟s energy and climate objectives
Control strategies for selected sub-systems
Integrated system approach
Product certification and labelling - eu.bac cert
System audit and labelling - eu.bac system
Making buildings smart
Behaviour change
Case studies of best practice & Terminology
Invitation to CLIMA 2019
* Andrei Litiu - eu.bac, editor
andreilitiu@gmail.com
Federation of European Heating, Ventilation and Air-conditioning Associations
REHVA Guidebooks
22 Guidebooks
Available on http://www.rehva.eu/publications-and-resources/eshop.html
or through National associations
Federation of European Heating, Ventilation and Air-conditioning Associations
Preliminary info about Guide Book 22nd ; scope (1)
Title: Introduction to Building Automation, Controls and Technical Building Management
Working group: Andrei Litiu (eu.bac – Chair), Richard Beuhorry (Somfy, France), Bonnie Brook (Siemens,
Switzerland), Stefano Corgnati (Politecnico di Torino, Italy), Simona D‟Oca (Politecnico di Torino), Valentina Fabi
(Politecnico di Torino), Klaus-Dieter Fuhrman (IMI Hydronics, Austria), Markus Keel (Belimo, Switzerland), Hans R.
Kranz (BACS expert, Germany), Jarek Kurnitski (Tallin University of Technology, Estonia), Riika Liedes (Säkhöinfo,
Finland), Peter Schoenenberger (Sauter, Switzerland), Roland Ullmann (Siemens, Switzerland).
Reviewers: Nejc Brelih (Boydens Engineering, Belgium), Ivo Martinac (Royal Institute of Technology, Sweden), Livio
Mazzarella (Politecnico di Milano, Italy), Olli Seppänen (FINVAC, Finland), Paul Waide (Waide Strategic Efficiency,
United Kingdom).
Target groups: industry, designers, specifiers, system integrators, installers, building commissioners, facility
managers, energy inspectors, energy auditors, students.
This guidebook is the result of the work of an interdisciplinary team of eu.bac and REHVA experts representing
manufacturers, designers and researchers.
Federation of European Heating, Ventilation and Air-conditioning Associations
Preliminary info about Guide Book 22nd ; scope (2)
This guidebook aims to provide an overview on the different aspects of BAC and steer the direction to further
in depth information (all references except a few are with hyperlinks) on specific issues, thus increasing the
readers' awareness and knowledge on this essential piece of the construction sector puzzle. It avoids
reinventing the wheel and rather focuses on collecting and complementing existing resources on this
topic in the attempt of offering a one-stop guide. The readers will benefit of several compiled lists of
standards, other relevant publications (all publications except a few are with hyperlinks) and as well a
thorough terminology specific for BAC.
Among other aspects it captures the existing European product certification and system auditing
schemes, the integrated system approach, EU's energy policy framework related to buildings, indoor
environment quality, smart buildings and behaviour change related to energy use.
Although this guide can be very useful for several stakeholders being an introduction framework to the topic,
it is most useful for those interested in fully grasping the 'why, how and what' of building automation, controls
and technical building management.
It should be noted that this guidebook is not, nor is it meant to be, an absolutely comprehensive knowledge
repository on the topic.
Federation of European Heating, Ventilation and Air-conditioning Associations
List of contents (1)
1 Introduction to building automation, controls and 3 Indoor Environment Quality (IEQ)
technical building management (BACTBM) 3.1 Context
1.1 Building automation and controls in a nutshell 3.2 Effect of indoor environment quality
1.2 TBM and BACS efficiency classes 3.3 Indoor temperature
1.3 System of interconnected devices within 3.4 Air quality and ventilation
networks
3.5 Air humidity
1.4 Communications
3.6 Lighting
3.7 IEQ as part of voluntary certification schemes
2 Role and benefits of BACTBM
2.1 Context
4 EU’s energy and climate change targets and how BACTBM
2.2 Monitoring and control of equipment / building can contributes
systems
4.1 Climate change
2.3 Control of indoor environment
4.2 Six decades of energy policy in the EU
2.4 Environmental protection
4.3 Breakdown of energy use in Europe
2.5 Interaction with occupants
4.4 The European building stock
2.6 Achieving Net Zero Energy Buildings
4.5 Financing energy efficiency
2.7 Technical building management
4.6 The potential of BACTBM
2.8 Benefits for stakeholders
Federation of European Heating, Ventilation and Air-conditioning Associations
List of contents (2)
5 Control strategies for selected sub-systems 8 System audit and labelling – eu.bac system
5.1 Context 8.1 Context
5.2 Heating and cooling 8.2 eu.bac methodology
5.3 Lighting and solar shading 8.3 eu.bac label and classification system
5.4 Ventilation 8.4 eu.bac system KPIs
8.5 Building lifecycle
6 Integrated system approach 8.6 Benefits
6.1 Context 8.7 Conclusions
6.2 Integration aspects
9 Making buildings smart
7 Product certification and labelling – eu.bac cert 9.1 Context
9.2 Tendering specifications aspects
9.3 Design: Determination of project requirements and
production of design documents including technical specification
9.4 Engineering: Detailed function and hardware desing
9.5 Commissioning aspects
9.6 Operational aspects
9.7. Conclusions
Federation of European Heating, Ventilation and Air-conditioning Associations
List of contents (3)
10 Behaviour change – occupants’ interaction with building 11 Case studies of best practice
automation, controls and technical building management 11.1 Non-residential success stories
10.1 Context 11.2 eu.bac system audit
10.2 Occupant behavior and adaptive actions
10.3 Building automation, controls and user satisfaction 12 Resources
10.4 Building operators and end-users 12.1 Standards
10.5 Building automation and controls in the residential 12.2 Publications
environment
12.3 Terminology
10.6 Recommendations
12.4 Symbols, abbreviations and acronyms
12.5 Literature
12.6 References
Federation of European Heating, Ventilation and Air-conditioning Associations
BAC introduction, classes and architecture (1)
Building automation and controls in a nutshell
Controls and building automation used in buildings range from simple thermostatic radiator valves,
automatic balancing valves, automatic air dampers, thermostats and schedulers to building automation
and control systems (BACS), building management systems (BMS), also known as building
automation systems (BAS), energy management systems (EMS) and building energy management
systems (BEMS).
In their more complex forms BMS and their related sub-systems may have many thousands of data
points controlling non-residential buildings and dispersed estates. Residential controls traditionally
have a single room thermostat controlling the boiler and pump on/off, a scheduler to set the stop and
start times for heating and domestic hot water systems plus thermostatic radiator valves for room
temperature control.
Federation of European Heating, Ventilation and Air-conditioning Associations
BAC introduction, classes and architecture (2)
EN 15232 defines 4 BAC classes of functions
Class D corresponds to a BACS that is not energy efficient. Buildings with such systems shall be
retrofitted. New buildings shall not be built with such systems.
Class C corresponds to standard BACS – minimum functions shall be implemented
Class B corresponds to advanced BACS with some specific TBM functions – building automation
functions plus some specific functions shall be implemented in addition to class C. Room controllers
shall be able to communicate with a building automation system
Class A corresponds to high-energy performance BACS and TBM – Technical building management
functions shall be implemented in addition to class B. Room controllers shall be able to demand control
building services.
Federation of European Heating, Ventilation and Air-conditioning AssociationsBAC introduction, classes and architecture (3)
Generic architecture model for BAC network and its different levels
Federation of European Heating, Ventilation and Air-conditioning AssociationsOperational energy performance and IEQ (1)
New mindset is necessary for achieving operational energy performance
A different way of designing a building‟s HVAC system is required so that, starting from the design
stage, the balance between energy efficiency and operational efficiency should be considered.
There is no use in applying advanced systems if they are not designed or operated to their full
potential or if they are incorrectly installed or used.
BA systems are still not being used to their full potential to lower energy consumption in buildings.
Maximising this potential could provide a significant opportunity for the construction community to
significantly lower building operation costs and to create new jobs for the continuous optimization of
buildings.
Educating and improving the skills of the supply chain will overcome the challenge related to the
complexity of BACS and will enable better utilization of BACS.
Federation of European Heating, Ventilation and Air-conditioning AssociationsOperational energy performance and IEQ (2)
Ensuring Indoor Environment Quality (IEQ) during the operation phase
Indoor environmental quality (IEQ) and energy use in buildings are closely related. A building‟s energy
performance requirements shall not sacrifice its adequate level of IEQ, which in turn is necessary for
the planned activities to take place in the built environment.
Building automation and controls are responsible for the control of indoor environment quality
parameters. A building without such systems or with poorly performing systems will not maintain these
parameters appropriately, resulting in poor energy performance and unsatisfied occupants, be it in the
residential or non-residential sectors.
Several factors should be considered in the design and operation of building services, focusing mainly
on room temperature, indoor air quality, ventilation, humidity, lighting and blinds (as used to provide
variable protection from solar radiation).
Federation of European Heating, Ventilation and Air-conditioning AssociationsBAC & the EU‟s energy and climate objectives (1)
Energy use in Europe
Federation of European Heating, Ventilation and Air-conditioning AssociationsBAC & the EU‟s energy and climate objectives (2)
Empowering building occupants to control their energy consumption and energy bills;
Closing the gap between designed and actual energy performance of buildings and optimizing the
energy performance of technical building systems, thus preventing energy waste so reducing gas
imports, mitigating energy poverty and cutting GHG emissions;
Acting as an monitor of all technical building systems (e.g. HVAC, lighting, solar shading, appliances);
Facilitating the integration of on-site renewable energy sources (nZEBs);
Enabling demand side flexibility;
Contributing to changing consumer behaviour towards energy use;
Improving indoor environmental quality (with the resulting positive impact on health, well-being,
comfort and productivity).
Federation of European Heating, Ventilation and Air-conditioning AssociationsControl strategies for selected sub-systems
Fan Optimiser – the pressure feedback volumetric flow control system
Federation of European Heating, Ventilation and Air-conditioning AssociationsIntegrated system approach
Integration requirements significantly influence the following project phases
Design: Determination of project requirements and development of design documents including
technical specifications;
Engineering: Detailed functional and hardware design;
Installation: Installing of the BACS and integrated systems including components;
Commissioning: Commissioning of the BACS and integrated systems including components;
Completion: Handover, acceptance and project finalization;
Operation: This is the phase during which the BACS and integrated systems will be utilised.
Federation of European Heating, Ventilation and Air-conditioning AssociationsProduct certification and labelling - eu.bac cert Federation of European Heating, Ventilation and Air-conditioning Associations
System audit and labelling - eu.bac system (1)
eu.bac system for new and existing buildings
Federation of European Heating, Ventilation and Air-conditioning AssociationsSystem audit and labelling - eu.bac system (2)
eu.bac system audits sustain the energy-efficient control of building systems
Federation of European Heating, Ventilation and Air-conditioning AssociationsMaking buildings smart
„Smart buildings‟ concept includes not only efficient and demand sequenced controls
Federation of European Heating, Ventilation and Air-conditioning AssociationsBehaviour change (1)
Aspects recognized for having and impact on occupants‟ perception of comfort
In both office and residential buildings, users‟ understanding and acceptance of building automation
systems and controls is a fundamental requirement for successfully achieving the energy efficiency
potential of such smart technology. If the control logics of the building automation system are based
only on energy-saving requirements, the resulting indoor environmental conditions may not be
perceived as “comfortable” by the occupants. Optimising both energy efficiency and occupants‟ needs
and their perception of comfort is needed.
Environmental factors (e.g. climate);
Social factors (e.g. open-plan office or single office);
Physiological factors (e.g. gender, age);
Psychological factors such as feeling in control inside the living space.
Federation of European Heating, Ventilation and Air-conditioning AssociationsBehaviour change (2)
Persuasive technology
A recurring observation in the literature on smart buildings is of the increasing application of real-time
feedback to inform occupants about their environmental conditions and energy usage.
Rapid feedback to inform occupants of improving comfort conditions. However a correctly functioning
system is crucial to maintain perceived comfort and satisfaction with systems.
Quickly responding building operators are important to perceived comfort.
Feedback to occupants that confirms a system is functioning is particularly crucial for thermal systems,
which normally experience a lag between control input and a change in the indoor environment.
The ecological implication of smart metering and smart devices is mostly seen only as a positive side
effect within a larger package; it remains unclear whether this will stand-alone as a genuine driving
factor in purchasing decisions.
Federation of European Heating, Ventilation and Air-conditioning AssociationsCase studies of best practice & Terminology
Please note that due to length restrictions you shall not find in the hard copy guidebook the
'Terminology' sub-chapter and the 'Case studies of best practice' chapter. However, these have been
made available for easy downloading on both REHVA and eu.bac websites as follows:
Case studies of best practice
http://www.rehva.eu/fileadmin/guidebooks/CaseStudies.pdf
http://www.eubac.org/downloads/annexes-rehva-gb-22-introduction-to-bac/index.html
Terminology
http://www.rehva.eu/fileadmin/guidebooks/Terminology.pdf
http://www.eubac.org/downloads/annexes-rehva-gb-22-introduction-to-bac/index.html
Federation of European Heating, Ventilation and Air-conditioning AssociationsBucharest, ROMANIA
2019
CLIMA 2019
13th WORLD CONGRESS by REHVA
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Calendar
ACTION DEADLINE
First Call for Papers (Abstracts) December 2017
Abstracts Submission Opening December 2017
Full Papers Submission Opening February 2018
Second Call for Papers (Abstracts + Full Papers) February 2018
Third Call for Papers (Abtracts + Full Papers) July 2018
Deadline for Submission of Abstracts September 2018
Deadline for Full Papers Submission November 2018
Registration Opening December 2018 (early registration until 1st of February 2019)
Clima 2019 Congress 26-29 May 2019
26
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Fees
Standard On-site Early bird Standard On-site Early bird
Type of service Type of service
fee fee fee fee fee fee
1 Regular participant registration - all 3 10 REHVA course 1 tbc tbc tbc
days, including congress docu-ments, 440 490 396 11 REHVA course 2 tbc tbc tbc
free acces to all sessions, lunch … 12 ASHRAE course 1 tbc tbc tbc
2 Member of REHVA registration – idem 13 ASHRAE course 2 tbc tbc tbc
395 450 356 tbc tbc
option 1 14 AIIR course tbc
3 Student registration (under 25 years old) 15 CLIMA 2019 proceedings tbc tbc tbc
160 200 144
– idem option 1 16 CLIMA 2019 virtual registration -10
tbc tbc tbc
4 One-day registration – free acces to all employees
195 195 176
session in that, lunch in that day 17 CLIMA 2019 virtual registration +11
tbc tbc tbc
5 Accompanying person registration – employees
150 150 135
idem option 1 18 Technical tour 1 (tbc) tbc tbc tbc
6 Each additional paper exceeding a 19 Technical tour 2 (tbc) tbc tbc tbc
maximum of 2 papers which are 90 - - 20 Social Programme 1 (tbc) tbc tbc tbc
included in the 3 days registration fee 21 Social Programme 2 (tbc) tbc tbc tbc
7 Welcome reception+concert 85 (tbc) 100 (tbc) 75 (tbc) 22 Social Programme 3 (tbc) tbc tbc tbc
8 President lunchon 75 (tbc) 90 (tbc) 65 (tbc) 23 Social Programme 4 (tbc) tbc tbc tbc
9 Galla dinner (including surprize) 85(tbc) 100(tbc) 75 (tbc) 24 Social Programme 5 (tbc) tbc tbc tbc
Important notice
A CLIMA 2019 paper will be published only if at least one of the authors is fully registered for the congress (see options 1 or 2 in the table above).
27
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Main Topics*
• MODERN HVAC TECHNOLOGY AND INDOOR
ENVIRONMENT QUALITY
• HIGH ENERGY PERFORMANCE AND SUSTAINABLE
BUILDINGS
• INFORMATION AND COMMUNICATION TECHNOLOGIES
(ICT) FOR THE INTELLIGENT BUILDING MANAGEMENT
• SUSTAINABLE URBANIZATION AND ENERGY SYSTEM
INTEGRATION
* Detailed content for each main topic, on the leaflet
28
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Detailed Programme (preliminary)
Approx no of Rooms needed EXPO POSTER
Schedule Activity type
attendees simultaneously SESSION SESSION
Opening ceremony +
16.00-17.30 450-500 presentation room
Plenary session
Sunday Exibition&poster sessions
17.30-18.00 500 Exibition hall
opening ceremony
18.00-22.00 600 Welcome reception+concert presentation room
9.00-10.30 500 Plenary session (sponsors) presentation room
Exibition hall (>2000 sqm)
Exibition hall (>500 sqm)
10.30-11.00 600 Coffee Break hall room/foyer
300 Technical Papers Session presentation room
11.00-13.00
300 Workshops&Debates 6 rooms for 20…60 places
13.00-14.00 700 Lunch hall room/foyer
300 Technical Papers Session presentation room
Monday 14.00-16.00
300 Workshops&Courses 6 rooms for 20…60 places
15.00-18.30 150 REHVA Student Competition presentation room
16.00-16.30 600 Coffee Break room/foyer
Workshops&ASHRAE
16.30-18.30 300 4 rooms for 20…60 places
meeting&courses
19.30-22.00 400 President Luncheon hall room/foyer
9.00-10.30 500 Plenary session (sponsors) presentation room
10.30-11.00 600 Coffee Break hall room/foyer
300 Technical Papers Session presentation room
11.00-13.00
300 Workshops&Debates 6 rooms for 20…60 places
13.00-14.00 700 Lunch hall room/foyer
Tuesday 300 Technical Papers Session presentation room
14.00-16.00
300 Workshops&Courses 6 rooms for 20…60 places
15.00-18.30 150 WORLD Student Competition presentation room
16.00-16.30 600 Coffee Break hall room/foyer
16.30-18.30 300 Workshops&courses 3 rooms for 20…60 places
19.30-22.00 400 Gala Dinner hall room/foyer
9.00-10.30 400 Plenary session (sponsors) presentation room
10.30-11.00 500 Coffee Break hall room/foyer
250 Technical Papers Session presentation room
11.00-13.00
Wednesda 300 Workshops&Debates 4 rooms for 20…60 places
y 13.00-14.00 600 Lunch hall room/foyer
14.00-15.30 300 Technical Papers Session presentation room
Plenary session + rewards
15.30-16.30 400 presentation room
session + closing ceremony
29
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Venue and Accommodation
30
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Social Programme
31
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Ambassadors (Proposal)
CLIMA 2019 organisers in cooperation with REHVA Board will grant the grade of CLIMA 2019
Ambassador to scientific and technical VIPs which can contribute significantly to the organisation of the
world congress in Bucharest/Romania, in 2019.
The privileges/benefits of CLIMA 2019 ambassadors are the following:
• Right to use with her/his name “CLIMA 2019 Ambassador” grade
• Her/his name listed at www.clima2019.org site
• Right to get a certificate and a medal with CLIMA 2019 Ambassador grade
The duties of CLIMA 2019 ambassadors are the following (not cummulative):
• Promoting CLIMA 2019 to other national or international events where the ambassador will attend
• Organising a workshop during CLIMA 2019 congress
• Proposing CLIMA 2019 sponsors to the organisers
32
Federation of European Heating, Ventilation and Air-conditioning AssociationsCLIMA 2019 Preamble: RCEPB 2018, X edition
33
Federation of European Heating, Ventilation and Air-conditioning AssociationsREHVA & CLIMA contact information
Rue Washington 40 Dr.eng. Cătălin LUNGU
Vice-president of REHVA
1050 Brussels, Belgium
Tel: +32 2 514 11 71
Fax: +32 2 512 90 62 www.clima2019.org
www.aiiro.ro
www.rehva.eu. info@rehva.eu info@clima2019.org office@aiiro.ro
Obrigado pela sua atenção !
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