BS-EN-15500-2008.pdf

BS EN 15500:2008 ICS 97.120 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Control for heating, ventilating and air-conditioning appl cations Electronic individual zone control equipment i Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 © BSI 2008 ISBN 978 0 580 56744 5 Amendments/corrigenda issued since publication DateComments BS EN 15500:2008 National foreword This British Standard is the UK implementation of EN 15500:2008. The UK participation in its preparation was entrusted to Technical Committee RHE/16, Performance requirements for control systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 15500 July 2008 ICS 97.120 English Version Control for heating, ventilating and air-conditioning applications - Electronic individual zone control equipment Régulation pour les applications CVC - Régulateurs électroniques de zone pour le chauffage Automation von HLK-Anwendungen - Elektronische Regel- und Steuereinrichtungen für einzelne Räume oder Zonen This European Standard was approved by CEN on 3 November 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels © 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15500:2008: E Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 2 Contents Page Foreword4 Introduction.5 1 Scope 6 2 Normative references7 3 Terms and definitions .7 4 Abbreviations.10 5 Functionality.11 5.1 General11 5.1.1 Functional objective11 5.1.2 Minimum operating mode.11 5.1.3 Controller functions.12 5.1.4 Function blocks .14 5.2 Heating application17 5.2.1 Central generation.17 5.2.2 Direct heating.17 5.2.3 Storage system (for direct or central heating)18 5.3 Fan coil and induction application.19 5.3.1 Four pipe fan coil units .19 5.3.2 Functional objective20 5.3.3 Two pipe Fan Coil Units21 5.3.4 2 Pipes 2 Wires Fan Coil Units.23 5.3.5 Induction units.25 5.4 VAV, CAV and Chilled Ceiling Applications27 5.4.1 Functionality requirements.27 5.4.2 Factory settings for fixed-function controllers.28 5.4.3 Pressure dependent VAV systems 29 5.4.4 Pressure independent VAV systems.30 5.4.5 Fan assisted VAV systems.32 5.4.6 CAV Systems34 5.4.7 Chilled ceilings.36 5.4.8 Dewpoint control function38 5.5 Functionality and hardware38 5.5.1 General38 5.5.2 Power supply and data protection.38 5.5.3 Inputs 38 5.5.4 Outputs.39 5.5.5 Sensor requirements.39 5.6 Temperature control accuracy.40 5.7 Human System Interface (HSI) .41 5.8 Electrical requirements.42 5.8.1 General42 5.8.2 Supply voltage .42 5.8.3 Protection against electric shock 42 5.8.4 Electromagnetic compatibility42 5.8.5 Degrees of protection42 5.8.6 Environmentally induced stress due to temperature.42 5.8.7 Materials .42 6 Test method43 6.1 Power supply and data protection.43 6.2 Operating modes .43 Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 3 6.2.1 Economy mode43 6.2.2 Frost protection .43 6.3 Human System Interface (HSI) .43 6.4 Temperature control accuracy compliance43 6.5 Electrical tests .43 6.6 Supply voltage .43 6.7 Protection against electric shock 43 6.8 Electromagnetic compatibility .43 6.9 Degrees of protection44 6.10 Environmental individual stress due to temperature 44 7 Classification and designation.44 8 Marking and documentation.44 8.1 Marking.44 8.2 Documentation.45 8.2.1 Installation instructions45 8.2.2 Factory settings and adjustment possibilities .45 8.2.3 User operating instructions45 Annex A (normative) Functional and acceptance test.46 A.1 Objective.46 A.2 Testing procedures .46 A.2.1 Test principle .46 A.2.2 Test parameters.47 A.2.3 Product configuration.48 A.2.4 Definition of the Control Accuracy (CA)49 A.3 Test facility description.54 A.3.1 General layout54 A.3.2 Sensor side interface 56 A.3.3 Actuator side interface59 A.3.4 Interface between real and simulated environment.61 A.3.5 Simulated environment.62 A.3.6 Data acquisition system62 Annex B (informative) Data .63 B.1 Objective.63 B.2 Applications .63 B.3 Building and zone types .63 B.3.1 Building types63 B.3.2 Zone types64 B.4 Default time test parameters 64 Bibliography66 Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 4 Foreword This document (EN 15500:2008) has been prepared by Technical Committee CEN/TC 247 “Building Automation, Controls and Building Management”, the secretariat of which is held by SNV. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2009, and conflicting national standards shall be withdrawn at the latest by January 2009. This standard is for products for electronic individual zone control equipment applications for mechanical building services and covers electronic individual zone control equipment for heating, ventilation and air conditioning applications in residential and non residential buildings. This standard is part of a series of European Standards for Control for HVAC Applications. This standard, therefore, contributes to the general European policy for energy saving, particularly in the fields of the Construction Products Directive (89/106/EEC) Essential Requirements n°6 «Energy economy and heat retention» (and its interpretative document) and of the Energy Performance of Building Directive (2002/91/CE). No existing European Standard is superseded. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 5 Introduction Equipment to control the heating, ventilation and air-conditioning (HVAC) in a building according to the actual room or zone energy demand, is necessary in order to reduce the consumption of energy and improve the quality of the air. HVAC installations should, for the purpose of energy conservation and guaranteeing indoor environmental comfort, be equipped with automatic zone control equipment acting as function of measured inside variables in buildings. Under the term “automatic zone control equipment” is understood the functional unit comprising controller, actuator and sensor. The zone control equipment controls the comfort of the environment by controlling physical variables such as temperature, humidity, air-quality or air-flow in accordance with occupancy and user requirements. This standard, which is valid for applications in all domestic and non-domestic buildings, conforms to the requirements and objectives of the interpretative documents “Energy Economy and Heat Retention” and “Hygiene, Health and the Environment” relating to the Construction Products Directive (89/106/EEC) and the preparations for a standardisation mandate from the European Commission are on-going. Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 6 1 Scope The purpose of this standard is to specify the applications, functionality set and application performance for electronic individual zone control equipment. The applications are for cooling and hot water or electrical heating as described in Annex B. This standard applies specifically to individual zone control equipment for maintaining temperature, humidity and air flow as a function of occupancy and demand operated with auxiliary electrical energy. Information required for the operation of the equipment may be processed using either analogue or digital techniques or a combination of both. Safety requirements remain unaffected by this standard. This standard refers to the input and output requirements of the controller and not of the input and output devices as e. g. sensors and actuators. This standard covers fixed-function, configurable and programmable controllers. The control equipment may or may not be connected to a data-network however communications aspects are not covered by this standard. These devices could be applied for any kind of building, intermittent or non-intermittent occupation, residential or non residential (see Annex B). Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 7 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12098-2, Controls for heating systems Part 2: Optimum start-stop control equipment for hot water heating systems EN 12098-5, Controls for heating systems Part 5: Start-stop schedulers for heating systems EN 60529, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) EN 60730 (all parts), Automatic electrical controls for household and similar use IEC 60038, IEC standard voltages 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 electronic individual zone control equipment equipment performing closed loop control functions of physical measured variable(s) (e.g. temperature, humidity, pressure) in a single room or in an area of a building 3.1.1 Fixed-function controller application-specific controller where the manufacturer supplies one or more fixed control strategies for specific applications NOTE see also EN ISO 16484-2 3.1.2 Configurable controller Controller where the manufacturer supplies one or more configurable control strategies for specific applications NOTE see also EN ISO 16484-2 3.1.3 Programmable controller Controller where the control strategies can be programmed NOTE 1 Programmable controllers also are named automation station. NOTE 2 see also EN ISO 16484-2 3.2 operating mode mode that applies either to control equipment or to control functions NOTE Operating modes can be switched over by a scheduler program or manual. 3.2.1 manual mode of operation of equipment when significant control functions is overridden by the user Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 8 3.2.2 automatic mode of operation of equipment when significant control functions are not overridden by the user 3.2.3 operating time override mode of operation of equipment that overrides the operating state to a predetermined other operating mode, e.g. comfort or economy for a limited pre-determined period of time 3.2.4 comfort mode of operation for a normally occupied room. The room state is in the comfort range with regard to temperature, humidity, air-quality or air-flow. NOTE Other terms for comfort mode are e. g. normal, occupied, party mode. 3.2.5 reduced or economy mode of operation for an energy saving operating for a non occupied room that does not need to be in the comfort operating mode for an extended period of time NOTE 1 In the reduced operating mode, the control setpoint is lowered or raised with respect to the comfort setpoint. NOTE 2 Other terms for economy mode are e. g. unoccupied, night set-back, sleeping, holiday. 3.2.6 pre comfort reduced operating mode for the room to quickly reach the comfort range upon changing to a comfort operating mode 3.2.7 frost protection mode of operation to reach a minimum acceptable positive temperature preventing freezing 3.2.8 building protection mode of operation to protect the building from overheating or supercooling 3.2.9 off state where control and interlock functions are not operational 3.2.10 holiday function where a time programme is used to control a room temperature for a pre-determined period 3.2.11 tariff optimization function to control the room temperature according to the tariff rate signal from the electrical supplier 3.3 input and output devices 3.3.1 input device / sensor detector measures physical parameters such as temperature, humidity, air-quality, air-flow or occupancy. The sensor is incorporated into housing suitable for mounting and can be regarded as a functional unit which produces a signal that can be evaluated in correspondence with the quantity measured Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 9 3.3.2 output device / actuator changes mass-, volume- and energy-flows. The actuator can be regarded as functional unit which carries out an appropriate change according to an appropriately evaluated signal Licensed CopyChinese University of Hong Kong, 21/10/2008 04:13, Uncontrolled Copy, (c) BSI BS EN 15500:2008 EN 15500:2008 (E) 10 4 Abbreviations For the purposes of this document, the following abbreviations and acronyms apply. ASP Actual Se