AIVC r~ #13,518 r Dublin 2000 ''20 20 Vision''

20 - 23 September

Royal College of Surgeons Dublin

PROGRAMME, ABSTRACTS & EXHIBITION

~~§'l t< 1, ~ CIBSE

I Programme at a Glance

Wednesday 20 September 18.00 -20.00 Registration

18.30 - 21 .00 Welcome Reception

Thursday 21 September 08.15 Registration

09.00 Opening Plenary Session 0 'Flan agan Theatre

All A sessions in O'Flanagan Theatre All B sessions in Houston Theatre

1a State of the Art Case Studies 1 09.45 1b Computer Methods for HVAC Analysis

11.00 Morning refreshments

2a Innovative Building Systems Design 11 .30 2b Testing & Integrating Computer Methods

12.30 Lunch Break

3a State of the Art Case Studies 2 14.00 3b Refrigerant Technology: Future Systems

15.15 Poster session and refreshments

4a Innovative Building Assessment & Design 16.00 4b Design for Sustainability

19.30 Gala Dinner at the Conrad Hilton Hotel

Friday 22 September

Oo.15 Ragistiation

08.45 Plenary Session

5a Future Gazing 09.00 5b Better IAQ Through Understanding

6a Fundamentals of Future Systems 09.45 6b Inter-technology?

10.45 Morning Refreshments

7a Commissioning and Operation of HVCA 11.15 7b Servicing for Older Buildings

12.45 Lunch Break

Ba Designing to Minimise Global Climate Change 14.15 Sb Services Design & HVAC Management

15.15 Afternoon Refreshments l 9a State of the Art Heat Pump Applications 15.45 9b What Happens when the Owner Sues?

19.00 for 19.30 Literary Pub Crawl

Saturday 23 September

08.15 Registration

L_ 1Oa 2020 Energy 08.45 10b HVAC Special Applications

11 a Innovation in System Design 09.45 11 b Light & Energy l.~ 10.45 Morning Refreshments 12a CIBSE/ASHRAE Student Award Judging 11.15 12b Design Tools Software

12. 15 Refreshments & Close L

I Dublin 2000

Programme & Exhibition Catalogue

1. The technological advances in building Wednesday 20 September services engineering that affect the work 18.00-20.00 Registration in Royal of members. College ofSurgeons' entrance foyer 2. The changes proposed in recent years in 18.30-21.30 Welcome Reception the Processes of Construction in the UK, wine and canapes in College Hall, with with reference to some of the key entertainment by the traditional trio publications, including the Latham and Cairde on uileann pipes, flute and fiddle. Egan reports. A brief guide of some of the many acronyms that have arisen, including CRISP, the RAs, m4I and CBPP are reviewed. Thursday 21 September 3. People issued that will allow the process 09.00 Plenary Session changes needed in Construction and the Chaired by David Wood, President benefits of technological advance be CIBSE. realised. Finally, areas where the Institution is actively supporting the aims of Rethinking Construction are covered together with what ::, Keynote address: The Kyoto Protocol else might de done since the interdependence Impact on HVAC & R Technology of technology, process and values offers real by James Wolf, President ASHRAE opportunities for the Institution in meeting its The future ofHCFC and HFC Technologies mission. will be discussed considering the effects of the Kyoto Protocol to control global warming and potential climate change and the Montreal Protocol on Ozone depletion. The current international and domestic laws 09.45 Session la affecting CFCs, HCFCs, and HFCs will be State of the Art Case Studies Part I presented to demonstrate the significant impact Chairman: Seamus Homan, on the present and future availability and use Homan 0 'Brien, Dublin of chemicals as refrigerants for air conditioning and refrigeration. Q Comfort conditioning for large spaces Current research on development of substitute .,. by Peter Simmonds, Ove Arup & Ptnrs, refrigerants for HCFC-22 equipment and UK,· Stephanie Reuss & Stefan Holst, projections on the availability of alternative Transsolar Energietechnik GmbH, technology fo~ air-cooled and water-cooled Stuttgart; Wayne Gaw, Flack+Kurtz ~· ' equipment for building air conditioning ,/C) systems will be covered. Consulting Engineers, San Francisco Finally, criteria for selection of air This paper describes the development of a conditioning equipment for current and future hybrid conditioning system that creates a building projects will be outlined, considering comfortable indoor environment in a building. the future ofHCFC and HFC Technologies. The operation of a variable-volume displacement conditioning system and a radiant cooled floor have been optimized to Keynote address: CIBSE & Innovation reduce the building load. Control strategies by Donald Leeper, CIBSE Champion for were developed that optimize energy Innovation consumption and contain moisture levels The concept of Innovation is central to many within specified limits. The development of of the activities of the Institution. In this brief conditioning-only occupied zones is shown presentation three aspects of innovation are and how the over-all energy consumption is considered: reduced. Its application in a large airport is described. a Sellic - An engineering library 09.45 Session lb by Malcolm G Tait, KJ Tait Engineers, Computer Methods for Successful / Edinburgh HVAC Analysis The intent of this paper is to present the design Chairman: Tim Dwyer, South Bank )\ -- 1-u process which has created by new SELLIC University, London Library for the University of Edinburgh. The University's briefrequired a library which would serve them through the next generation of library processes, whilst being as energy Q Natural ventilation analysed using efficient as possible. \,.r dynamic simulation software The paper will review the collaboration by Vincent Murray & Ken Beattie, Dublin process between Client and Design Team and Tnstitute of Technology highlight three examples of interdisciplinary The possibility ofusing natural 'j'-· design the structure, envelope and wind ventilation for commercial buildings is ( , towers. increasingly being considered. To assist (_ natural ventilation in these buildings v .£ atriums are often suggested for the Customising factory built unit for building's design as well as mechanical systems providing low air change rates. efficiency, reliability and cost To ensure that natural ventilation will effectiveness by Sukhdev S Mathaudhu, meet today's comfort expectations the Mathaudhu Engineerng, Inc. USA proposed design needs to be evaluated In this, First Place - Commercial Category using dynamic simulation software. 1999 ASHRAE Technology award-winning project demonstrates the concept of a factory pre-fabricated "Mechanical Room" that houses G A practical application of computer all the air handlers, compressors, evaporative V-­ modelling and physical validation to a condensers and a walk-in control room vs. a building atrium by Kevin Mitchell, field-built Central Plant/Mechanical Room. (7 Low supply air temperature application and AMEC Design & Management; David factory pre-fabricated "Mechanical Room" Stribling, Flomerics 'J'5 helped reduce cost by $206,000 over field- This paper describes the use of computer built. modelling in the design of an entrance atrium Added benefits included, "testing & in the UK. Airflow Modelling was used with balancing" of unit prior to shipment; minimum Dynamic Thermal Analysis to develop the job site connections and a single source mechanical and architectural design. The responsibility for wurrunty. interdisciplinary approach enabled the team to develop the design of the solar shading and the HV AC system, optimising the location of BRE's environmental building: energy system elements. The processes employed performance in use by James Fisher, resulted in increased internal comfort levels Research in Building Group, Department and a reduced life cycle cost of the facility. ofArchitecture, University of Westminster Kaitriona Ni Riain, Fiona MacKenzie & John Littler, all of BRECSU () Integrated simulation for HV AC BRE's Environmental Building was the result V performance prediction: State-of-the­ art by Dr Ir Jan Hensen, Center for ofa project initiated under the Government's <{ '? Energy Efficiency Best Practice Programme. Building Systems, Technische Universiteit rP This paper provides results of the performance Eindhoven, The Netherlands of the building during the 2 ~ years of This paper aims to outline the current state-of­ occupancy. Monitored data has shown that the the-art in integrated building simulation for building provides a comfortable place for performance prediction of heating, ventilating occupants, although the gas consumption for and air-conditioning (HV AC) systems. The heating has exceeded its target. This paper ESP-r system is used as an example where fo cuses on the energy and environmental integrated simulation is a core philosophy performance only, other elements have been behind the development. The current state and considered in other work. future developments ure illustrated with case studies. It is argued that for building ************** simulation to penetrate the profession in the

2 r~ near future, there is a need for appropriate businesses want to minimise the costs of these training and professional technology transfer changes. To assist in this CIBSE is publishing initiatives. new guidance on the requirements for flexible building services in office based environments. This paper considers the issues that designers The methods of 2020 for building should discuss with clients to ensure that envelope and HVAC systems simulation building services are designed with appropriate - will the present tools survive? flexibility. It concludes with a set of principles by Dr Per Sahlin, EQUA Simulation that designers should follow. Technology Group AB, Stockholm, Sweden Building simulation methods in use today were developed during the seventies and early Constructing the team - a multi­ eighties. They were optimized to enable full­ cultural experience by Dr Mike AP, year whole-building simulations on available AMEC Design & Management; hardware. Consequently, they are highly Dr John L Steele, Loughborough specialized and difficult to modify in order to University This paper describes an meet new needs. In this paper, we compare the orchestrated cross-cultural training event traditional methods to new equation based which aimed to generate a common methods. These have the capacity to model understanding of cultural values within an virtually any system and are thus able to grow Anglo-American design team. The in new directions as needs evolve. organisation, facilitation, and outcomes of the workshop are discussed in relation to issues of ************** cultural diversity and interdisciplinary working. This paper will be of interest to clients and 11.30 Session 2a project teams planning a cross-cultural Innovative Building Systems Design collaborative design project and organisations looking to become part of a Joint Venture with Chairman: Dr James E Hill, Building and overseas partners. Fire Research Laboratory, Gaithersburg. ************** Making the old/new or turning castles into condos, how can us Yan ks do it 11.30 Session 2b better and cheaper by Robert M Suggs Testing and Integrating HVAC IIL RM Suggs Company Computer Methods Buildings today must be integrated to include Chairman: John Cuthbert, Cuthbert all services and co-ordinated to provide an acceptable comfort and usability level to Condron Associates, Dublin justify their continued existence. The engineer is responsible for function where looks and form are the prime requisites of the architect. A CFD study of the airflow field in a I 0 , }.~ The idea for providing such accommodations mixing box by ProfRichard M Kelso &, v \ for an existing historical facility, built for an Paul Marshall, College ofArchitecture I's entirely alien purpose, extends beyond a and Design, University of Tennessee; x challenge. While "historical", as defined for ProfAllen J Baker, College of facilities in the States, is significantly different Engineering, University of Tennessee from Europe, none the less, the challenges are Air handling units are important components similar. This synopsis intends to expand on ofHVAC systems, and one of their principal and present some new innovative solutions. functions is to mix outside and return air ./ streams. This mixing performance is poorly understood but believed to be of low Designing for flexible building services - effectiveness. new CIBSE guidance by Denice This paper presents the results of a CFD study Jaunzens, BRE; James Brittain, ABS into the flow of air inside a mixing box. Consulting, London; Dr Hywel Davies, Temperature and speed vector plots and CIBSE Research, UK mixing effectiveness found are included." As the pace of business change accelerates, so change within business premises increases, and

3 ~ A case study and validation of IY~, A client was pleased with the performance of a recent building designed and built with low interactive CFD in VR I) \/ energy objectives on the "mixed mode" by Paul Kingston, Hoare Lea & Ptnrs, ( Bristol principle. When the time came to build Computational Fluid Dynamic (CFD) has another building he appointed the same rapidly developed as an industrial design and design and construction team and challenged evaluation tool for Building Services them to suggest cost effective improvements Engineering. The aim of the work is to to the environmental features of the original illustrate the integration of CFD data into a building. This paper is a case study of the truly interactive Virtual Reality (VR) design, installation and commissioning of the environment to provide engineers with building operating alternately on passive and demonstrable design evaluation and mechanical cooling. visualisation facilities. The VR model allows the user complete interactive control of the /"'), environment and will provide an elegant means of enabling engineering solutions to be 0 Ventilation of 19 City of Tampa fire <. 11 appreciated by non-engineers \/' stations by Wa rren G Hahn, Keywords (Computational Fluid Dynamics, Hahn Engineering Inc, Tampa Virtual Reality, Visualisation, Infrared, Combustion gases from diesel engines Hotwire anemometry, Displacement accumulate in the apparatus rooms of fire Ventilation, Buildings) stations when fire trucks and emergency vehicles leave for or return from an emergency I 7 s -- l ~ l+ run. All doors are closed for security reasons and combustion gases become trapped in closed apparatus rooms. This paper discusses 0 CFD simulation of transient cooling in a a study and investigation of the methods typical Hong Kong office by Juhn Z Lin, available to minimize these combustion gases Division ofBuilding Science and and the subsequent installation of apparatus J Technology, City University ofHong Kong room ventilation systems in nineteen City of For the analysis and design of an air Tampa Fire Stations. conditioning system, the unsteady histories of displacement ventilation of a typical office in Hong Kong is simulated numerically with a validated CFD model. The numerical Cooling and heating of buildings by simulation illustrated the evolution of stratified activating the thermal mass with temperature profiles in the office. The embedded hydronic pipe systems simulation also revealed the development of by Bjarne W Olesen, DF Liedelt "VELTA" the thermal plum produced by hot walls and objects. Hence the study helps to understand GmbH, Norderstedt, Germany the formation of the initial velocity and Heating and cooling of buildings may be done temperature fields." by water based radiant systems, where pipes are embedded in the concrete slabs between each storey. Activating the building mass will ************** reduce the peak load and transfer some of load to out side the period of occupancy. Because these systems operate at water temperature close to room the potential for use of renewable energy sources are increased. 14.00 Session 3a Several examples of buildings with these types State of the Art Case Studies Part II of systems are presented together with Chairman: Professor Max Fordham, measured performance. President-elect, CIBSE f ,f b ~ ( 'e L Practical case study of a chilled CQ) ************** slab/cooling pond/mixed mode building by Dr David Arnold & Peter Othen, Troup v Bywaters & Anders

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14.00 Session 3b R-407C has comparable seasonal cooling Refrigerant Technology for Future efficiency and a 3% lower seasonal heating Systems efficiency than R-22. At a high ambient Chairman: Michael Buckley, Buckley temperature of57.2°C, R-407C has a Consultancy, Dublin comparable COP and a 5% lower capacity. Results from long term >drop-in= field testing ofR-407C in a large retail store air conditioning system is also presented. Observation and analysis of two phase flow of boiling refrigerant R600a inside horizontal tubes by Angel Lagos, Prof Influence of geometrical parameters on R W James, JF Missenden ofSchool of capillary tube behaviour with new Engineering Systems and Design, South alternative refrigerants by Samuel Sami, Bank University, London H Maltais and DE Desjardins This paper presents a study of one component University ofMoncion, NB USA two-phase flow inside horizontal tubes, with In this paper, the experimental data obtained bends using R600a. The phase change flow on capillary tube behavior, using various new patterns that occur in the tubular evaporator alternatives under different geometrical were observed recorded and discussed. The parameters will be presented and analyzed. evaporator was a 16-row transparent glass coil Capillary geometrical parameters will include with return bends of 180 degrees and was length, diameter, as well as entrance connected to a refrigeration unit. The effect of conditions. mineral oil on the flow patterns and behaviour The results clearly showed that the pressure at the transition zone together with drop across the capillary tube is significantly photographic and recording techniques were influenced by the diameter of the capillary also discussed and reported here. tube, inlet conditions to the capillary and refrigerant type. The data demonstrated that Results of a probabilistic fault detection the capillary pressure drop decreases with the and diagnosis method for vapour increase of the capillary diameter and that compression cycle equipment alternatives in general experience higher by Dr Margaret B Bailey, Department of pressure drop than that ofR-22. Civil and Mechanical Engineering, United States Military Academy, New York Automated fault detection and diagnosis ************** (FDD) of vapor compression cycle equipment is a valuable feature due to energy and environmental concerns. This paper describes designing and testing the viability of a FDD 16.00 Session 4a system for chillers. The FDD tool utilizes a Innovative Building Assessment & neural network program to analyze archived Design chiller operating data and detect faults through Chairman: Terry Wyatt, Hoare Lea, Bristol pattern recognition. Faults include improper refrigerant and oil charge, air-cooled The potential for solar dessicant cooling condenser fouling and fan loss. The trained FDD tool is capable of correctly predicting the in the UK by Dr Clive B Beggs & current state with a misclassification rate of Dr PA Sleigh, School of Civil Engineering, three percent. University ofLeeds; Sandy Halliday, GAIA Research, Edinburgh The paper presents a study to evaluate the Performance ofR-407C as a drop-in potential for using solar energy to drive a replacement for R-22 in unitary air desiccant cooling system in England. The model utilises real meteorological data to conditioners and heat pumps predict the performance of a solar driven by Siva Gopalnarayanan, Flurochemicals system. The paper conclusively demonstrates R&D; Jerome Blanc, Centre d'Application that solar powered desiccant cooling is a de Levallois feasible solution for cooling & heating R-407C is evaluated as a drop-in substitute for buildings in the UK. R-22 in a reversible heat pump at standard and high ambient conditions. Results indicate that

5 Improving cooling tower performance f 16.00 Session 4b for sustainable refrigeration Design for Sustainability by H Goshayshi, JF Missenden & Chairman: Dr David Arnold, Troup Dr Graeme Maidment, School of Bywaters & Anders Engineering Systems & Design, South Bank University, London; ProfRoger .. 'A-t~ P11Ac . Tozer, Waterman Gore Partnership ~ Green building research at NIST BFRL This paper describes the system advantages of by Dr James Hill, National Institute of rejecting low grade condenser heat through Standards & Technology, Gaithersburg, latent means both in capital and energy terms. USA It describes how tower packings may be For over seven decades, the National Institute evaluated for optimum behaviour in terms of of Technology and Standards (NIST) and its heat transfer achieved and energy wasted. predecessor organization, the National Bureau Experimental investigations are described of Standards has done research on energy which have led to new correlation techniques conservation in buildings. In 1993, NIST allowing packings to be modelled formally created a "Green Building Research mathematically. The techniques described Program" to assist the building industry in allow building services engineers to analyse addressing concerns with indoor air quality, and design more sustainable systems for heat ozone depletion, global warming, and rejection. sustainability.' ?.,.-- ._ ..::::. I ..... , The purpose of this talk will be to briefly .s 8 ( describe the results of two specific research O Designing for air-to-air heat and efforts that have been carried out since the / moisture exchange in HVAC creation of the Green Building Research \/ applications Program. The first has been done by NIST by Robert Besant, University of staff; the second by a new industry association Saskatchewan; C Simonson, Wei Shang that NIST help create. Air-to-air heat and moisture exchange for ventilation air is important for HVAC design and operation because it can: 1) Reduce peak ~ Designing to encourage waste auxiliary energy rates and annual loads as well minimisation in the construction as capital and operating costs 2)Permit higher industry by Andy Keys, AMEC, Slratford­ ventilation rates to create better IAQ at Upon-Avon; Andrew Baldwin & Simon minimum auxiliary energy costs. Austin, Loughborough University, This paper briefly discusses the types of air-to­ Leicestershire, UK air heat and moisture exchangers available and The process of waste minimisation through their performance in HVAC applications. The 'Designing out Waste' is in its infancy. By capital and operating cost savings are outlined. redirecting the focus of waste minimisation to A new method ofHV AC design for air-to-air the earliest stages of projects the greatest exchangers is presented which maximizes the opportunities for waste avoidance and life-cycle cost savings. recycling exist. The paper summarises a doctoral research Latent heat storage in buildings project titled 'Designing out Waste'. It is materials by Ruth Kel(v, AMEC Design & intended to stimulate thought into the concept Management, Stratford-Upon-Avon of designing out physical wastes that continue Thermal storage by latent heat was recognised to create hazards and expense during the early as an attractive alternative to sensible construction process heat storage in the building fabric. Recent research has looked at the incorporation of organic phase change materials (PCMs) into Designing for sustainability porous building materials, creating functional ~ and effective building elements which can by Sheila J Hayter, B :)nead, Richard B effect significant energy savings. Research Hayter, Kansas State University; PA indicates that the use of energy-storing Torcellini, R Judkoff building materials is a novel concept which This paper addresses each step in the building warrants continuing consideration. design process - from inception to occupancy. Recommendations and examples of how we ************** can meet our obligaliuns of suslainability are given using two examples of actual buildings

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I that have low energy use and minimal impact E Roger Hitchin & Dr Christine H Pout, on the environment. In addition, these Building Research Establishment buildings have life cycle costs comparable to This paper explores electricity consumption conventional buildings and provide and carbon emissions associated with air­ comfortable, healthy, and productive indoor conditioning in the UK over the last 20 years environments. and potential changes over the next 20 years. If current trends continue, energy use and the ************** consequent carbon emissions associated with air-conditioning could quadruple by 2020. 'If Gala Dinner at the Conrad Hotel, Realistic but assertive regulatory measures reduce consumption and emissions by 35% Earlsforth Terrace. Reception 19. 30, relative to the business as usual case. Dinner 20. 00. Entertainment by the Technically feasible limits could reduce energy Festive trio and Deirdre Seaver consumption below current levels but would be difficult to implement.

************** Friday 22 September 09.lS Session Sb Better IAQ Through Understanding 08.45 Plenary Session: Nanoscale Chairman: Richard Rooley, Rooley Science and Technology Consultants, Stoke Poges, UK Introduced by David Wood, President, CIBSE Dr Gareth Redmond, National A predictive method to determine the ~4-(, Microelectronics Research Centre, Cork. leakage area needed in residences for 0 IAQ control by infiltration ************** "' <( by Dr Donald G Colliver, University of ~ / Kentucky 09.lS Session Sa A technique has been developed to estimate Future Gazing the leakage needed to provide at least a desired Chairman: Bjarne W Olesen, DF Liedelt amount of infiltration based upon frequency­ "VELTA" GmbH, Norderstedt, Germany of-occurrence. Cumulative frequency distributions (CFD) of the hourly air ...... ) E ngmeermg. . an d.mgenm "t y - t oward s<.... / , 4_ infiltration calculated from long-term hourly environmental design by Dr Randall 5' '1 weather data were used to describe the amount y of weather-driven infiltration when 1-, 3-, 6-, & Thomas, Max Fordham Ptnrs, London 8-, 12-, 24-, and 48-hour time periods are The starting point for designs which respond to grouped together. Comparisons are also our worsening environmental situation is a presented between the leakage area required to study of building form with particular provide 0.35 ACH on the average, as opposed emphasis on the faryade and section on to at least 95% of the 1-, 8-, 12-, and 24-hour materials. Only after these have been resolved time periods optimising the solar potential, making the best use of daylight, providing controllable assisted natural ventilation attenuating noise and <,.. 's"' producing an attractive building should the I ASHRAE's residential ventilation design team as a while turn to HVAC systems. standard: exegesis of proposed standard <_ P0:_ The plant is only part of the strategy and the 62.2 by Max Sherman, Lawrence Berkeley smaller the part the better. The application of J National Laboratory, California this approach is illustrated by three varying In June 2000 ASHRAE approved for public review case studies. standard 62.2P, "Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Local cooling: global warming? UK Buildings, which is an attempt by the Society to carbon emissions from air-conditioning address concerns over indoor air quality in now and in the next two decades by dwellings and to set minimum requirements that would allow for indoor air quality and energy efficiency measures to be evaluated. This report

7 5Jo ' ~~--) summarises the public review draft and attempts to 0 A positive ventilation air chiller ' address questions and concerns that those by Enoch Munyebvu, Robin J Saunders, potentially affected by the standard might have. Dr Stephen Beck. University ofSheffield This report may also be of use to those considering A recently developed compact ventilation unit public review comments on the proposed standard. has been used as the basis for a new low cost air cooler capable of providing ventilation, recirculation and filtration with a wall aperture ************** 300 mm square. A refrigeration system was successfully retrofitted into the ventilation unit and prototype performance has been assessed. A cooling load of 817 W was achieved at a 10.45 Session 6a useful coefficient of performance of 1.39 with Fundamentals of Future Systems a maximum air temperature drop of 10°C. Chairman: Peter Warburton, Arup Associates, London **************

Neural networks for control and fault detection in state-of-the-art buildings Ci.1 10.45 Session 6b by Darrell D Massie 1'. l: Inter-technology? Implementation of neural networks (NN) for 1~ Chairman: Dr Jeffrey Spitler, Oklahoma building load and energy prediction can "l... ~ State University optimize equipment design, utilization and ( ~ operation, resulting in significant monetary savings for building owners and operators. ~~ An internet-based system to support NNs provide superior building load and energy _.J inter-disciplinary and inter- usage predictions, have been successfully Q organisational collaborative conceptual implemented to perform supervisory control r design by Dr John Steele, Simon Austin, over systems such as thermal energy storage Loughborough University; Sebastian and building setpoint control, to adjust the "- Macmillan, Paul Kirby & Robin Spence, setpoints of complex non-linear HVAC S The Martin Centre, University of processes and for automated HVAC diagnosis ~ Cambridge of abnormal behavior within vapor (:$ This paper describes an Internet-based design compression cycle equipment. ~ tool to s'upport interdisciplinary teams during <. the conceptual phase of the design process. ~ The tool, which accords well with the richly A software tool for modelling combined • iterative and often non-linear process which heat and power systems, by Robert G -:, design typically follows, is intended to 0 'Brien & R Gordon Bloomquist, ~ encourage inspirational concept design without Washington State University • imposing a rigid procedure. J As well as offering alternative routes through The software model that we developed can ~ concept design, the tool offers 'team thinking provide a comprehensive simulation of 3 tools', presents advice on effective teamwork proposed and existing combined heat and practices, and enables the capture, storage and power (CHP) plant and system applications retrieval of design decisions under varying rate structures and alternative environmental and other input scenarios. It provides a fully integrated analysis of central IT's for you ... intcrnet applied for real electric power production plants that are linked building services engineers by Tim to district energy applications using hot water Dwyer, South Bank University, London or steam for heating and/or chilled water­ This paper is aimed both at potential users cooling connected to a network of residential, of Internet technology and those who commercial, institutional, or industrial currently dabble but are unsure of the wider facilities. benefits or practicalities of Internet use. The development of the Internet as an essential tool for practising engineers has broadly been accepted by the larger

8 companies, educational institutions and organizations with information technology government. However the greatest benefits services. In mid 1999 we commenced r. may yet to be realised by the smaller commissioning ofTeale Data Center's practice and the individual - those referred electrical and mechanical systems. to as the 'SOHO' user in the popular press. Lessons learned were: 1) Documentation of the This paper will consider the use of Internet design intent proved difficult due with a technology and will cover areas relating to design/build process. This was successfully equipment requirements through to the completed by the project's end. 2) Installation practical applications oflnternet for the of equipment had a problem rate of building services engineer. approximately 15%. 3) System performance and integration was the most problematic. **************

Construction of TBCx requirements by 11.15 Session 7a Carl N Lawson, Duke University Medical Commissioning and Operation of Center, North Carolina HVCA A key phase of the total building commissioning process (TBCxP) is Chairman: Doug Oughton, Oscar Faber construction. It is critical that during construction that the individual workers are f aware of the owner's requirements and that Design phase requirements of total their work will be verified. During building commissioning construction the commissioning authority acts by Chad B Dorgan, Dorgan Associates, as the owner's representative in verifying the Wisconsin work being completed, assuring proper Due to significant problems with the quality of documentation is being maintained, and that construction and the associated costs, delays the building is 100% functional the day the and problems, the total building owner occupies it. The benefits achieved commissioning process has been developed during the construction phase ofTBCxP and successfully applied in North America. To include reduced change orders, on obtain the maximum results, a key focus of the budget/schedule, properly trained staff, and total building commissioning process is during reduced callbacks for the contractor. the development and completion of the design. In this paper, the tasks required during the design of a building to ensure the owner's ************** requirements are met are presented. 11.15 Session 7b Servicing for Older Buildings An overview of TBCx by Charles Chairman: Paul Yunnie, Andrews Boilers Dorgan, University of Wisconsin & Water Heaters, UK What do owners desire from a construction project or new building? Energy efficient buildings? Productive buildings? Low Wilson Weatherly Phipson, Building maintenance buildings? A building that meets Services Engineer: 1838-1891 project intent and needs? A sustainable facility J or green building? The Total Building by Michael Barber, University of Commissioning Process (TBCxP) has evolved Liverpool; Frank J Ferris, Richard as one means to fully involve owners, Forster & Brian Roberts ofCJBSE operating staff, occupants, users and clients of Heritage Group facilities, process or manufacturing managers, WW Phipson was probably the foremost design teams and contractors to achieve a Building Services Engineer of his era, quality building. designing systems for such buildings as The Royal Albert Hall, Alexandra Palace, Glasgow University etc. An archive of his papers is l ... essons learned in commissioning of a being examined by the CIBSE Heritage Group, high technology data centre by Richard and work on this and other sources has indicated his modus operandi to be part A Greco, Facility Assocs, San Francisco contractor part consultant. He worked with Stephen P. Teale Data Center is a State of Architects such as Waterhouse and Gilbert California department providing public sector

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&1 I Scott. G N Haden was his major competitor Innovative HVAC systems are conceived for work. within "think tank" meetings with architects, engineers, and other disciplines involved. The Retrospective review of the world's first meetings discussed what could be 0 low energy fully air-conditioned curtain accommodated in a structural system that walled building (1948) by Dr David allows only 16 inch x 18 inch ducts in walls in v Arnold, Troup Bywaters & Anders particular spaces. Solutions included control The Equitable Building, in Portland, Oregon, of condensate across single pane historic windows with heavy leakage of air in both was the first of a new architectural form. The genesis for the building was a wartime project winter and summer. Systems were conceived to accommodate the fluctuation of moving in an architectural magazine. The editor invited architects to produce designs for different public population from one place to another. projects that might be built once wartime The paper to be presented will address the building restrictions were lifted. Belluschi, the innovative design solutions for upgrading the HVAC system distribution of the ducts and architect, produced a design that subsequently formed the basis for the Equitable Building. pipes, and wiring for DDC controls to maintain Kroecker, the mechanical engineer, designed exacting temperature and humidity conditions an innovative system that was energy efficient. throughout the museum modules. ************** Laboratory renovation in older buildings by Charles Henck, Henry Adams Inc, Baltimore 14.15 Session Sa The renovation of a 22,000 square foot two­ Designing HVAC to Minimise story 1975 lab that had 27 fume hoods Global Climate Change including eight 12-foot hoods in one room was Chairman: Dr Donald (j Colliver, a challenge because there was less than two University ofKentucky feet of ceiling space for ductwork and piping. The use of the attic space and the addition of a new mechanical room solved the space constraints. A new variable volume reheat Cooling degree-days and their supply air system with a variable volume applicability to building estimation and exhaust air system was designed. The controi normalisation by Dr Tony Day, system was designed to track the exhaust air Dr Graeme Maidment & Martin Ratcliffe, quantity and adjust the supply air quantity to South Bank University, London maintain the space pressure relationships. This paper presents a cooling degree-day model for evaluating and monitoring the refrigeration energy consumption of air­ Innovative HVAC solutions for a conditioned buildings. The problem is historic building renovation approached by analysing the energy balance on by Boggarm S Setty, Setty & Associates, the central plant. This defines the base Fairfax, USA temperature in terms of system operating A study was conducted for a 380,000 sq. ft. conditions, and includes a fictitious national museum in Washington, DC, circa temperature rise for latent load. The expected 1857. The museum houses portrait paintings range of base temperatures are shown together and was renovated several times since 1900. with suggestions for further work needed to The building has slate floors, marble columns, validate the model. and cast iron balconies. The existing structure does not allow for any horizontal distribution ofHVAC systems, yet Computer aided design for variable the museum requires precise temperature speed pumping circuits by Christopher filtration and humidity control in every 20 foot Parsloe, BSRIA, UK module. The existing HVAC system This paper explains the use of a computer encompasses 1,500 tons cooling. The system program to analyse the performance of pipe employs desiccants for dehumidification and systems with two port control valves and carbon filters for air quality control, and is variable speed pumps. Examples are given conceived so as not to disturb the historic showing how the program was used to fahric of the ceilings or floors. investigate the positioning of differential pressure sensors, the sizing of two port valves

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and the role of balancing valves in systems. develop and report on the results of alternative The paper concluded that this type of analysis levels of short and long term funding; and to can help to optimise the performance of develop a detailed deferred maintenance systems with variable speed pumps. reduction plan based on the adopted funding level. The tool can be used for a single building or multiple buildings. Of particular Mobile thermostat for climate control in value, is the ability to prioritize needs by residential buildings by Dr Alex Burd & building, building area, trade, building system Galina Burd, Advanced Research or building element Technology, LLC Connecticut and Wisconsin ************** The objective of the investigation was to evaluate the performance of a new control device - the wireless mobile thermostat. The 15.45 Session 9a mobile thermostat's prototype system was Start of the Art Heat Pump manufactured, installed and tested during one Application year in a two-story residential townhouse with a central furnace and forced-air system. The Chairman: James Wolf. President, modes of operation with the stationary and ASHRAE mobile thermostats were compared and J analyzed. The mobile thermostat allows to improve comfort and to reduce annual energy Recent developments in ground source consumption for heating and cooling. heat pump system design, modelling and applications by Jeffrey D Spitler & ************** Simon J Rees, Oklahoma State University; Cenk Yavuzturk, University of Wyoming This paper gives an overview of recent 14.15 Session Sb research and developments in ground source Methods for Services Design & heat pump system design, modeling, and applications for commercial and institutional HVAC Management buildings. Design methodology suitable for Chairman: Ray Bentley, Terence Lee determining ground loop heat exchanger size Partnership, London and modeling suitable for predicting hourly or minutely response of the ground loop heat exchanger are presented. In addition, in situ Planning and execution of business measurement techniques for ground thermal centred maintenance for perfect properties, hybrid ground source heat pump buildings in year 2000 by Kam-Chuen system control, and a UK example are Lam, Hong Kong Polytechnic University discussed. The traditional approach to maintenance of building services can no longer match the ************** users' needs. Maintenance is a professional service, and must satisfy the customer's needs. There is a need for change and a willingness 15.45 Session 9b within the building team to adopt a re­ What Happens When The Owner engineered management of building services Sues - A Simulated Arbitration maintenance based on customer's business functions and needs in pursuing high quality Moderator: Richard Rooley, Rooley building with better profitability for both Consultants clients, building users and last but not least, the The construction of a ten-storey addition to maintenance provider. Big City Medical Centre descended into a nightmare. The technology of the air conditioning system failed, there was ingress Life cycle asset management by Jim of bacteria, relationships among the designers Sawers, Reid Crowther & Ptnrs, Calgary and contractors had virtually collapsed. The costs excalated out of control. A life cycle asset management methodology is The expert, who was called in to solve the proposed as a practical tool to identify, problem, misrepresented his qualifications and quantify and prioritize deferred maintenance experience. It is alleged that both the designer and component renewal in a facility; to

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I.. ., and the contractor made serious errors. Was managers. Energy benchmarks are the motivation of the client, personal or in the shown for 16 types of building based on interest of his employer? an analysis ofroughly 2,000 properties The cross-examination stages of the arbitration including offices, schools and libraries. which followed the disaster will be played out and the audience will vote on the allocation of blame. A Benchmarking Case Study at The simulation is based on real examples from Children's Hospital Medical Center, the experience of the participants. Cincinnati, Ohio by Thomas E Kinman, Children's Hospital, Ohio This document will cover the Benchmarking Saturday 23 September efforts at Children's Hospital Medical Center (CHMC) in Cincinnati, Ohio relating to building maintenance and utility plant operation. The evolution of the Benchmarking 08.45 Session 1 Oa parameters, how these parameters were agreed 2020 Energy upon, and how they are now used as internal Chairman: Richard B Hayter, Kansas reporting mechanism to Senior Management State lfniversity and to the Board of Trustees will also be discussed.

************** Comparing building performance assessment in the UK, the USA and Sweden, lessons and opportunities for harmonisation by John Field, Target 08.45 Session 1 Ob Energy Services; Jonathan Soper, ESS HVAC special Applications Engineering, London Chairman: James Curley, HA 0 'Neil, This paper compares various established Dublin methods for assessing or regulating buildings energy efficiency. System benchmarks, such as electrical power density and efficacy are The design nnd performance of nn becoming more widely used and could evaporative cooling test rig for a transcend national boundaries more easily than maritime climate by Ben A Coste/foe & building energy consumption benchmarks. Donal P Finn, Dublin Institute of Conclusions are drawn about the potential to Technology simplify and improve energy standards for the The success of chilled ceiling systems has assessment of buildings by designers and prompted a review of cooling tower hase

12 r r the heating/cooling of environmental systems. Building zone modelling adapted to the In this work, natural convection heat transfer study of temperature control systems by in a partially open cavity is analysed. A Peter Riederer, JC Visier, R Lahrech & vertical isothermal plate, placed inside the A Husaunndee, Centre Scientifique et cavity, acts as the thermal source promoting Technique du Bdtiment, France; the buoyant air flow drawn into the cavity through vent openings. Experiments D Marchio, Ecole Nationale Superieure encompassed the determination of the local des Mines de Paris,· Peter Gruber, and average convective heat transfer Siemens Building Technologies Ltd, coefficients for the heated plate by means of Switzerland the schlieren optical technique. This paper analyses simplified zone models used for control studies. ************** The temperature measured by a controller sensor depends on its position in the zone. This phenomena is analysed experimentally in this study. Two "well mixed" models are tested in 09.45 Session lla open loop and closed loop validations as well Innovation in Systems Design as in emulations (with a real controller). The Chairman: Sean Mulcahy, VMRA, Dublin result is a list of difficulties and criteria that f\) I ~ have to be taken into account for the development of zone models. "l""'-...) .. High performance displacement ventilation using fabric diffusers - a ************** case study by Nicholas Cullen, Hoare Lea R&D, Bristol Designing a displacement ventilation system 09.45 Session 11 b based upon the ASHRAE prescriptive standard Light and Energy for a smoking lounge provided a challenge to Chairman: Kevin Mitchell, AMEC the design team. This paper discusses the issues explored during the design, the use of fabric diffusers, and presents the results of a comparative air quality Conflict and control: the use of locally and energy analysis between the displacement addressable lighting in open plan office and conventional dilution ventilation systems. space by Thomas Moore & David Carter, The paper discusses some of the problems University ofLiverpool; Anthony Slater, encountered during and after commissioning BRE, UK and describes the use of Computational Fluid The use of locally dimmable user controlled )( V'J ~~amics (C.F.D.) in diagnosing the problems lighting in open plan office space can lead to conflict between users. This in tum leads to withdrawal by some from the control group. O Airflow measurement methods to Those who withdraw from the control loop are fJ optimise minimum fresh air more likely to respond negatively to their by John Fletcher, BSRIA, UK environment than those who do not. This paper contains advice for system designers and The provision of minimum fresh air is managers on ways to reduce the incidence of important because it can affect occupant conflict. comfort and energy consumption but setting it correctly is often difficult because airflow rates are low and space is restricted. This paper •f>J/t\ presents interim results of a research project 0 TripleSave - the investigation and part funded by the DETR under the Partners In monitoring of a combined natural Innovation scheme to investigate measurement daylighting, heating and stack methods appropriate for setting minimum fresh ventilation system by Dr Li Shao, Prof SB l air rates in mechanical ventilation systems. A Riffat, G Oakley, Dr SJ Smith, Institute of range of potential methods are outlined Building Technology, University of together with preliminary advice on which Nottingham may be most appropriate. This investigation aims to develop a unit combining lightpipes and passive stack ventilation. The performance of lightpipes has 1 been continuously monitored and the

13 measurement of natural stack ventilation has Hayter, past President of ASHRAE; and Ewen been carried out using a tracer-gas method. It Rose, Editor ofHAC Journal. has been shown that by fitting a LCP panel to a light pipe, much higher levels of daylight can ************** be transmitted. Typical air change rate through the passive stack is about 8 air changes per hour in Winter 11.15 Session 12b Design Tools Software Development and experimental Chairman: Greg Traynor, Chairman characterisation of low cost fa1tade Republic ofIreland Branch, CIBSE integrated concentrator photovoltaics by Dr Philip Eames, A Zacharopoulos, A knowledge based tool to aid in the D McLarnon, Trevor Hyde, Brian Norton, preliminary evaluation of CHP for a University of Ulster, N Ireland A cost effective new design for a building building by Dr Jonathan Williams, BRE; integrated photovoltaic facade system that uses Dr Ian P Knight, Welsh School of a dielectric, non-imaging optical design, to Architecture, Cardiff University; reduce PV material requirements by up to 60% Graham Roberts, BRE, UK is presented. Theoretical and experimental This paper discusses the UK Government's results for prototype laboratory manufactured Energy Efficiency Best Practice programme systems are included. Annual performance (EEBPp) project to develop, in collaboration predictions for Northern and Southern with Transco, a simple computer based European locations are made, illustrating that methodology for sizing CHP in new buildings. approximately 90% of the solar energy Using the software, a preliminary evaluation of collected by a conventional PV panel is the sizing can be made with only knowledge of collected by the new concentrator system. the building's type, size, location and a few key elements specific to each sector. This enables the model to be used when designing ************** new buildings. q 'Z_S- ·~ CJ_~ J

11.15 Session 12a The acoustics and ventilation method - 0 a simple design tool by Richard Griffiths, HAC Student Award Judging University ofPlymouth, UK Introduced by: Ewen Rose / The acoustics and ventilation method allows The Graduate Award, now in its fifth year, the designer to explore natural ventilation and lends itself well to the foward-looking theme acoustics issues at an early design stage. Few of CIBSE's Dublin conference because it input parameters are necessary, like the celebrates the achievements and potential of a number of people the space must future generation of building services accommodate and the volume of air per person engineers. With this in mind, the judging has appropriate to the acoustic function. While been scheduled as the final conference session allowing the comfort temperature to rise and will once again take place in front of a during occupation by some 10 to 15%, the distinguished panel and is opt:n tu all natural ventilation and acoustics can be conference delegates. The finalists are all high discussed via the volume of the space. academic achievers and have been nominated by their colleges or employers. To decide which one will scoop the outstanding first prize of a trip to next winter's ASHRAE Conference in Atlanta, they will nll be mnking presentations designed to demonstrate their understanding of the building services engineering profession, but also to show they have the personality and strength of purpose to develop as ambassadors for the industry. The judging panel consists of: Jim Wolf, President of ASHRAE; David Wood, President ofCIBSE; Kevin Mitchell, Chairman of the CIBSE/ASHRAE group; Dick

14 r POSTERS compared against conventional systems is discussed.

15.15 Poster Viewing Session Development of a window with an Thursday 21st September overall heat loss co-efficient of less than r- 0.4mq_K and 0.7 visual transmittance­ Dr Philip C Eames, Trevor Hyde, Yueping Validation of a computational fluid Fang, Philip W Griffiths & Brian Norton, 1 dynamics simulation of a supply air Centre for Sustainable Technologies, a ventilated window - Ryan Southall & University of Ulster, N Ireland Dr M McEvoy, The Martin Centre, A new form of, and manufacturing process for, Cambridge, a contiguously sealed double-glazing with an A possible solution to the problem of evacuated gap and internal low long-wave maintaining good ventilation levels whilst radiative emittance coating is described. This improving thermal insulation is the supply air glazing is no heavier than conventional 'ventilated' window. double-glazing, gives good visual A Computational Fluid Dynamics model has transmittance and may be retrofitted to existing been constructed to model the performance of buildings. The experimentally measured heat the window. This model is described and is transfer coefficients and visual transmittances validated against ASHRAE standard U-Values of 0.5x0.5 metre laboratory fabricated for conventional windows, and against evacuated glazing samples are reported. experimental measurements taken from a test rig that we have constructed. The simulation 1-D Model extension to ejector achieves a good degree of accuracy for steady performance at secondary flow choking state conditions. - Yang Pei Rong, Dr Christopher Yap & Dr Chou Siaw Kiang, National University ofSingapore Do simple design tools improve design Modelling of ejector performance at the decisions in a hot climate? - Mary secondary choking flow conditions in an Hancock, Oxford Brookes University, UK ejector refrigeration system (ERS) is A simple modelling tool was used to influence presented. Chou et al's equation is refurbishment strategies at a group of schools incorporated into the 1-D model by Keenan et in Peshawar, Pakistan. The schools were al to predict the attainable mass flow ratio, the monitored both before and after introduction of critical discharge pressure of ejector and to low cost measures to improve thermal comfort. computer the ejector performance Unexpectedly the monitored results did not characteristics map. There is good agreement follow the simulations. The paper considers with experimental data obtained using Rl 13 why the two sets of data did not coincide and and steam ejectors. seeks to generate some general conclusions on the use of modelling in the design process. Matrix-free numerical methods for buildings energy simulation - Michael .J.. Sustainable cooling via a ground Crowley, Dublin Institute of Technology; fT coupled chilled ceiling system - Mohammed Hashmi, Dublin City Dr Graeme Maidment, R Monksmith,, University JF Missenden, South Bank University Simulation of energy flows in buildings is computationally intensive, so improvements in This paper describes a study into the solver efficiency can always be utilized. practicalities and economics of applying a Commonly used implicit solvers require ground water I chilled ceiling system in extensive matrix processing while standard commercial buildings. To evaluate and explicit methods have limited stability. A optimise the system design, a theoretical heat stable explicit algorithm is proposed which transfer model has been developed and this is does not require the use of matrices. Its described. computational efficiency approaches that of The model was used to evaluate the l implicit methods. In addition, it makes more performance of the system and this showed efficient use of current computer resources and large inefficiencies. The model was then used is particularly well suited to future (parallel) I to optimise the system design characteristics. architectures. L The performance of the optimised system

15 Mobile thermostat for climate control in Members of the CIBSE Patrons organisation, a residential buildings - Dr Alex Burd & proactive supporter of the Institute' s Galina Burd, Advanced Research educational initiatives and the foremost Technology, LLC Connecticut and exponent of moisture control within Patrons. Wisconsin, Dehumidification and heat recovery units for swimming pools have been supplied to Ireland The objective of the investigation was to for over 15 years. Industrial units have not evaluate the performance of a new control been overlooked however and a number of device -- the wireless mobile thermostat. The industrial process dehumidifiers have been mobile thermostat's prototype system was produced for Irish industrial complexes. manufactured, installed and tested during one year in a two-story residential townhouse with a central furnace and forced-air system. The modes of operation with the stationary and mobile thermostats were compared and EDSL analyzed. The mobile thermostat allows to (Environmental Design Solutions Ltd) improve comfort and to reduce annual energy Alan Jones, 13-14 Cofferidge Close, consumption for heating and cooling. Stoney Stratford, Milton Keynes, MKJ J JBY. UK Mobile thermostat for climate control in Tel: (01908) 261461 Fax: 566553 e-mail: [email protected] residential buildings - Dr Alex Burd & Tas Building Designer Galina Burd, Advanced Research A major new release from EDSL­ Technology, LLC Connecticut and Wisconsin developers ofTas building simulation The objective of the investigation was to software. evaluate the performance of a new control Key features: device - the wireless mobile thermostat. The • Cad link input mobile thermostat's prototype system was • Dynamic building simulation manufactured, installed and tested during one • Natural ventilation year in a two-story residential townhouse with • Solar shading a central furnace and forced-air system. The • Comparison of different air rnu

Euro Gas Ltd Exhibitors Des Prendergast, Unit 3 BB, Southern Cross Business Park, Bogha/l Road, Bray, Co. Wicklow, Ireland Tel: (01) 2868244 Fax: 2861729 Calorex e-mail: [email protected] Heat Pumps & Dehumidifiers Euro Gas Ltd is one oflreland's leading Tony St Quinton, The Causeway, Ma/don, distributors of Heating, Ventilating and Hot Essex CMY 7PU, UK Watt:r Equipment to the Mechanical Services Tel: (01621) 856611 Fax: 850871 Industry. e-mail: i;;[email protected] Our Company provides full After Sales CALOREX HEAT PUMPS Ltd is a world Engineering to our clients and employs three leader in the field of dehumidification and fully qualified Service Engineers. We list latent heat recovery. We have the largest hereunder the Companies we represent and the range of both thermodynamic and absorption range of products provided: units in Europe enabling the Company to react Beel Industrial Boilers Pie - Steam & Hot to the whole RH spectrum. Water Boilers; Rendamax BV - Hot Water and Central Heating Boilers; Remeha UK

16 I Limited - Cast Iron Boilers, Oil & Gas up to 1900 kW; Lochinvar UK Limited - Water Merriott Radiators Heaters and Central Heating Boilers; Schwank Frank J Donohoe, Unit 8, Broomhill UK Limited - Radiant Plaque & Tube Business Park, Broomhill Road, Heaters; Reznor UK Limited - Indirect Gas Tallaght, Dublin 24 Fired Air Handling Equipment; Niche Limited Tel: (01) 459 6213 Fax: 451 5143 r. - Direct Gas Fired Air Handling Equipment; e-mail: [email protected] Al Bridge Flue Systems Limited - Flue and Merriott Radiators are the Design division of Flue Dilution Systems; Quartz Limited - Fan Bario Group Plc. Bario Group manufactures Coil Units; Monicon - Gas Detection radiators under the Merriott, Bario and Veha Equipment; AEL - Plate Heat Exchangers. brand names in Ireland, England and Belgium. The Merriott tubular design radiators are manufactured in Clonmel,Co.Tipperary in a modem production facility utilizing the latest technological machinery and processes. The Gilberts (Blackpool) Ltd Company is BSI registered under certificate Jonathan Haslam, Gilair Works, Clifton no.FM21441 and operates a quality Road, Blackpool, Lancashire, management system which complies with the FY4 4QT, UK requirements of BS EN ISO 9002: 1994 The Tel: (01253)766911 Fax: 767941 product conforms fully to all the requirements e-mail: [email protected] of the European standard for radiators BS EN Designer and manufacturer of all types of air 442. distribution - grilles, diffusers, louvres, Merriott Radiators offer total flexibility in smoke/fire dampers and V.A.V. Gilberts will system configuration and the versatility to suit provide a compact display that features its almost any architectural or interior concept. most recent product developments such as floor and ceiling swirl diffusers. On stand, previews will also be available for the new GSR series slotted face swirl, GRC series Mitsubishi Electric Ireland circular diffuser and absolute filter terminals. Paul Sexton, Westgate Business Park, Ballymount, Dublin 24 Tel: (01) 419 8827 Fax: 419 8890 e-mail: [email protected] With products evolved from over forty years of McCool Controls Ltd research and development, Mitsubishi Electric Finn McCool, Unit 12, Docklands Air Conditioning systems are among the most Innovation Park, East Wall Road, advanced in the world. Dublin 3 WR2 System Tel: (01) 8550542 Fax: 8550540 The City Multi R2 system is the world's first e-mail: [email protected] 2-pipe system to offer simultaneous, We are the leading supplier of: independent control of heating and cooling of • HVAC control systems each indoor unit compared with conventional • Energy management systems three-pipe systems. Following the success of • Max demand controllers the City Multi R2 air-cooled system, the City ENERGY UNDER CONTROL Multi WR2 water heat source system has now Products: been launched in the Irish marketplace. In the • Cylon - BEMS systems City Multi WR2 system, the circuit connecting • Honeywell - HVAC control equipment to the outdoor heat source unit is supplemented • ABB switchgear by a water heat source, which recovers heat • Landis & Staefa controls effectively, and then refrigerant piping is used • Phoenix laboratory airflow controls to connect the indoor units. • Paragon air flow control systems Power Cassette Full maintenance and service backup facility Whether you're looking for extra flexibility in 24 hour call out service. layout planning or smooth installation, Mitsubishi Electric 's new 4-way airflow power I

17 cassette unit is the perfect choice for today's industry, due to our belief in customer service, diversified residential and commercial efficiency and knowing our customers' applications. The three most important requirements characteristics of an air conditioner - flexible layout planning, efficient yet powerful performance, and installation/maintenance ease - have been refined to make this series ideal for use in retail outlets, restaurants, and RSL (Ireland) Ltd business offices. Gerry McDonagh, 48F, Robinhood If you would like further information on these Industrial Estate, Clondalkin, Dublin 22 products or any of the other products in our Tel: (01) 4508011 Fax: 4567512 range, come visit us at our stand on the e-mail: [email protected] concourse. RSL (Ireland) Ltd is the Republic's leading distributor of air conditioning and refrigeration equipment and is exhibiting new product developments from Baltimore Aircoil Philips Electronics (IRL) Company, the worldwide manufacturer of Ronan Marsh, Newstead, Clonskeagh, evaporative cooling and ice thermal storage Dublin 14 equipment. Tel: (01) 7640000 Fax: 7640121 BAC has introduced the HXI Dry/Wet Fluid Philips new range of suspended luminaries Cooler which combines the best of dry and wet carries with it an innovative style with the operation in a single unit that saves 70% of the expected quality from Philips Lighting. water used in a conventional cooling tower. In The TPS 498, TPS 672 and the TPX 700 all addition to these important water savings the use the highly efficient and slim 'TL' 5 fluid to be cooled is in a closed and clean fluorescent tube. cooling circuit and the three operating modes 1. TP 498 - Sophislicaletl autl Supreme of the HXI ensure year round cold fluid The TPS 498 offers a flexible range of temperatures. solutions for shop and office applications BALTICAREsm is a specialist care service smartly designed, it is the perfoct solution for a offered by BAC to provide single source number of needs. responsibility for both the supply and water 2. TPS 672 - Stylish and Miniature quality control of evaporative cooling The TPS 672 brings class and stature to equipment. Balticart: is a comprehensive sophisticated environments with its sleek service that includes a site specific water design and compact shape. Its appearance treatment programme, monthly service visits creates the opportunity to incorporate it into and monitoring of the cooling system for any design, whether it be shops or offices. efficient and safe operation. 3. TPX 700 - Freedom of Design The TPX 700 goes one step beyond the rest by providing complete freedom of design. It is the central component of an unlimited number Johnson Control of lighting solutions, each with its own Systems/Thermo Systems aesthetic characteristics. Agents for McQuay International Johnson Controls Systems Aiden Lynch, Unit 2, Church Buildings Redbro Ltd Industrial Estate, Church Lane, Dublin 14 Paul Brophy, Unit 4, 70 Heather Road, Tel: (01)4931701 Fax: 4931746 e-mail: [email protected] Sandyford Industrial Estate, Dublin 18 Johnson Control Systems are a world leader in Tel: (01) 2940321 Fax: 2940325 building management systems controlling e-mail: [email protected] HV AC, lighting, security anci fire management Redbro has been in existence for over 30 years, for all types of buildings. and is one of the lending comp1mie.s in the Our customers worldwide include:: ht:allhcart:, industry. We represent numerous companies education, pharmaceutical, commercial, local in Ireland, such as Trox, NuAire, Sanyo, government bodies, semi-conductor and IT Eltron, Stieble Eltron, Apreco. The company is industries. based in South County Dublin, with 6 The global operation is serviced by 300 employees and is actively involved in the Johnson Controls and Partnership offices, HVAC industry. Redbro enjoys good including 25 manufacturing plants, employing relationships with other members of the over 80,000 personnel.

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This stand is presented with our Irish partners, Barbour Index, the UK's leading Thermo Systems, who are located in Rathfamham offering coverage throughout the specialist information service provider, Southern Ireland region. has a range of services tailored to the needs of building services engineers. { These include NES, an electronic.: Valve Control Systems Ltd specification writing tool that can save Robert Daly, Unit D5, Dunshaughlin you time whilst keeping you right up­ f - Industrial Estate, Dunshaugh/in, Co. to-date with changes to British and Meath, Dublin 15 European standards. The service also Tel: (01) 8258081 Fax: 8258077 links to Construction Expert - a single, e-mail: V [email protected] 1. WIRSBO underfloor heating integrated database of product data and incorporating the new "WIRSBO Genius technical information from more than Control System". 200 publishers including CIBSE, 2. Ecoflex pre-insulated pipe exhibiting the BSRIA and BSI. For more new large bar piping system. information, run the demonstration on the CIBSE conference CD. Wilo Engineering Ltd Tony Cusack, Enterprise Centre, Childers Road, Limerick, Ireland Tel: (61) 410963 Fax: 414728 e-mail: [email protected] Wilo Engineering Ltd is the Irish Sales Subsidiary of the German-owned Wilo­ Salmson AG Group of Pump Companies. The group has five manufacturing plants, with two in Germany, two in France and one in Ireland. There are also over 30 Sales Subsidiaries dotted around the world. The Wilo Company was founded in 1878 and since then it has become one of the foremost Building Services Pump Manufacturers in the world. Included in the vast range of products are pumps for Heating and Chilled Water Systems, Booster and Fire Hose Reel Sets, Sealed System Pressurisation Sets, Stainless Steel Vertical and Horizontal Multistage Pumps, Submersible Drainage and Sewage Pumps, Borehole Pumps and Oiltransfer Sets. The company also manufactures a comprehensive range of electronic controls for use with its pumps.

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