BS EN 12309-1:2014 BSI Standards Publication Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Part 1: Terms and definitions BS EN 12309-1:2014 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 12309-1:2014.Together with BS EN 12309-2 it supersedes BS EN 12309-1:2000, which will be withdrawn upon publication of BS EN 12309-2 Together with BS EN 12309-3:2014, BS EN 12309-4:2014, BS EN 12309-5:2014, BS EN 12309-6:2014 and BS EN 12309-7:2014, it supersedes BS EN 12309-2:2000, which is withdrawn The UK participation in its preparation was entrusted to Technical Committee GSE/37, Gas fired sorption and laundering appliances A list of organizations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 © The British Standards Institution 2015 Published by BSI Standards Limited 2015 ISBN 978 580 78695 ICS 27.080; 91.140.30 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2015 Amendments/corrigenda issued since publication Date Text affected EN 12309-1 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM December 2014 ICS 27.080; 91.140.30 Supersedes EN 12309-1:1999, EN 12309-2:2000 English Version Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 1: Terms and definitions Appareils sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de débit calorifique sur PCI inférieur ou égal 70 kW - Partie 1: Termes et définitions Gasbefeuerte Sorptions-Geräte für Heizung und/oder Kühlung mit einer Nennwärmebelastung nicht über 70 kW Teil 1: Begriffe This European Standard was approved by CEN on 18 October 2014 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-CENELEC 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-CENELEC Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 12309-1:2014 E BS EN 12309-1:2014 EN 12309-1:2014 (E) Contents Page Foreword 1.1 1.2 Scope Scope of EN 12309 Scope of this Part of EN 12309 Normative references 3.1 3.2 3.3 3.4 3.5 3.6 Terms and definitions Appliance and its constituents .6 Combustion products circuit 10 Adjusting, control and safety devices 10 Operation of the appliance 12 Gases 14 Conditions of operation, measurement and calculations 16 Bibliography 28 BS EN 12309-1:2014 EN 12309-1:2014 (E) Foreword This document (EN 12309-1:2014) has been prepared by Technical Committee CEN/TC 299 “Gas-fired sorption appliances, indirect fired sorption appliances, gas-fired endothermic engine heat pumps and domestic gas-fired washing and drying appliances”, the secretariat of which is held by UNI 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 June 2015, and conflicting national standards shall be withdrawn at the latest by June 2015 This document supersedes EN 12309-1:1999 and EN 12309-2:2000 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights This standard comprises the following parts under the general title, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW: — Part 1: Terms and definitions; — Part 2: Safety; — Part 3: Test conditions; — Part 4: Test methods; — Part 5: Requirements; — Part 6: Calculation of seasonal performances; — Part 7: Specific provisions for hybrid appliances; — Part 8: Environmental aspects EN 12309-1 and EN 12309-2 supersede EN 12309-1:1999, whereas EN 12309-1, EN 12309-3, EN 12309-4, EN 12309-5, EN 12309-6, and EN 12309-7 supersede EN 12309-2:2000 EN 12309-1, EN 12309-2, EN 12309-3, EN 12309-4, EN 12309-5, EN 12309-6, and EN 12309-7 have been prepared to address the essential requirements of the European Directive 2009/142/EC relating to appliances burning gaseous fuels (see prEN 12309-2:2013, Annex ZA for safety aspects and EN 12309-5:2014, Annex ZA for rational use of energy aspects) These documents are linked to the Energy Related Products Directive (2009/125/EC) in terms of tests conditions, tests methods and seasonal performances calculation methods under Mandate M/495 (see EN 12309-3:2014, Annex ZA; EN 12309-4:2014, Annex ZA; EN 12309-6:2014, Annex ZA and EN 123097:2014, Annex ZA and prEN 12309-2:2013, Annex ZB and EN 12309-5:2014, Annex ZB) These documents will be reviewed whenever new mandates could apply EN 12309-8 (“Environmental aspects”) deals with the incorporation of the Resolution BT 27/2008 regarding CEN approach on addressing environmental issues in product and service standards Compared to EN 12309-1:1999, the following modifications have been made: BS EN 12309-1:2014 EN 12309-1:2014 (E) EN 12309-1:2014 gathers terms and definitions from all the other parts of EN 12309 Moreover, new terms and definitions used in the other parts have been added and existing terms and definitions have been updated consistently to the other parts of this standard 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom BS EN 12309-1:2014 EN 12309-1:2014 (E) 1.1 Scope Scope of EN 12309 Appliances covered by this European Standard include one or a combination of the following: — gas-fired sorption chiller; — gas-fired sorption chiller/heater; — gas-fired sorption heat pump This European Standard applies to appliances designed to be used for space heating or cooling or refrigeration with or without heat recovery This European Standard applies to appliances having flue gas systems of type B and C (according to CEN/TR 1749) and to appliances designed for outdoor installations EN 12309 does not apply to air conditioners, it only applies to appliances having: — integral burners under the control of fully automatic burner control systems, — closed system refrigerant circuits in which the refrigerant does not come into direct contact with the water or air to be cooled or heated, — mechanical means to assist transportation of the combustion air and/or the flue gas The above appliances can have one or more primary or secondary functions (i.e heat recovery - see definitions in EN 12309-1:2014) In the case of packaged units (consisting of several parts), this standard applies only to those designed and supplied as a complete package The appliances having their condenser cooled by air and by the evaporation of external additional water are not covered by EN 12309 Installations used for heating and/or cooling of industrial processes are not within the scope of EN 12309 All the symbols given in this text should be used regardless of the language used 1.2 Scope of this Part of EN 12309 This part of this European Standard specifies the terms and definitions for gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Normative references Not applicable BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.1 Terms and definitions Appliance and its constituents 3.1.1 absorption process in which molecules of the refrigerant are dissolved into a liquid 3.1.2 adsorption process in which molecules of the refrigerant are held at the surface of a solid (possibly porous) structure 3.1.3 aeration adjuster device enabling the air to be set at the desired value according to the supply conditions 3.1.4 air-conditioners encased assembly or assemblies designed as an appliance to provide delivery of conditioned air to an enclosed space (room for instance) or zone Note to entry: The medium used for distribution of heating and/or cooling is exclusively air 3.1.5 appliance assembly of various parts according to the installation instructions, if the appliance is supplied to the market in multiple parts Note to entry: Accessories provided optionally are not to be included Note to entry: Appliance may be supplied to be marketed in one or more than one part 3.1.6 bivalent appliance encased assembly or assemblies designed and packaged which is made up of components that can be tested separately 3.1.7 brine liquid that has a freezing point depressed relative to water 3.1.8 chiller encased assembly or assemblies designed as an appliance, whose primary function is delivery of cooling only, and whose primary function is dependent on circulation of fluid (refrigerant and/or solution) within the absorption, adsorption or refrigerant circuit(s) 3.1.9 chiller/heater encased assembly or assemblies, whose primary function is delivery of cooling and/or heating and whose primary function of cooling is dependent on circulation of fluid (refrigerant and/or solution) within the absorption, adsorption or refrigerant circuit(s) Note to entry: system The primary function of heating only uses directly or indirectly the energy delivered by the combustion BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.1.10 closed system system in which the fluid within the refrigerant circuit (e.g water, ammonia, etc.) providing heating or cooling does not come into contact with the surrounding air or the heat transfer medium (e.g water, brine, air) 3.1.11 condensing appliance appliance in which, under normal operating conditions and at certain operating water temperatures, the water vapour in the combustion products is partially condensed in order to make use of the latent heat of this water vapour for heating and/or heat recovery purposes 3.1.12 ductless appliance outdoor appliance which is not designed to be fitted with external ducts to transport air to, or products of combustion away from, the appliance’s casing 3.1.13 gas circuit part of the appliance that conveys or contains the gas between the appliance gas inlet connection and the burner(s) 3.1.14 gas fired appliance which mainly consume gas for implementation of the function or functions, the electrical power consumption being dedicated to auxiliaries needed for operation 3.1.15 gas inlet connection part of the appliance intended to be connected to the gas supply 3.1.16 gas rate adjuster component allowing an authorized person to set the gas rate of the burner to a predetermined value according to the supply conditions Note to entry: Adjustment may be progressive (screw adjuster) or in discrete steps (by changing restrictors) Note to entry: The adjusting screw of an adjustable pressure regulator is regarded as a rate adjuster 3.1.17 heat pump encased assembly or assemblies designed as an appliance whose primary function is delivery of heat and/or cooling (the primary function is dependent on circulation of fluid (refrigerant and/or solution) within the absorption, adsorption or refrigerant circuit(s)) 3.1.18 heat recovery recovery of heat rejected by the appliance whose primary control is in the cooling mode by means of an additional heat exchanger (e.g a chiller with an additional condenser or absorber) BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.1.19 heat transfer medium any medium (e.g air, water, brine, etc.) used for the transfer of heat to or from refrigerant-containing parts of the appliance Note to entry: The medium may be – the cooling medium circulating in the evaporator, – the cooling medium circulating in the condenser and/or absorber and/or flue gas heat exchanger, – the heat recovery medium circulating in the heat recovery heat exchanger 3.1.20 hybrid appliance encased assembly or assemblies utilizing at least two different technologies whose primary function is to generate heat, including overall control system that selects, according to predefined parameters, which technology (or combination thereof) satisfies the customers' requirements while minimizing energy costs, consumption and/or carbon emissions Note to entry: Hybrid appliances according to the scope of this standard are based on gas fired technologies 3.1.21 ignition burner burner whose flame is intended to ignite another burner 3.1.22 ignition device any means (flame, electrical ignition device or other device) used to ignite the gas at the ignition burner or at the main burner Note to entry: This device can operate intermittently or permanently 3.1.23 indoor heat exchanger heat exchanger which is designed to transfer heat to the indoor part of the building or to the indoor hot water supplies or to remove heat from these Note to entry: In the case of heat pumps operating in cooling mode, this is the evaporator In the case of heat pumps operating in heating mode, this is the condenser 3.1.24 injector component that admits the gas into a burner 3.1.25 main burner burner that is intended to assure the thermal function of the appliance and is generally called “the burner” BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.15 cooling capacity usable heat given off by the heat transfer medium to the refrigerant integrated over and divided by a defined interval of time 3.6.16 cyclic operation mode of operation leading to a cyclic shutdown of the burner due to the variation of the heating or cooling demand Note to entry: According to this definition, a transient operation is not considered as a cyclic operation Note to entry: defrost period A cyclic operation can include or exclude a defrost period A non-cyclic operation can also include a 3.6.17 declared capacity DC full load (maximum) heating or cooling capacity that the appliance can deliver at any given temperature condition declared Note to entry: DC is expressed in kW 3.6.18 defrost mode state of the appliance in the heating mode where the operation is modified or reversed to defrost the outdoor heat exchanger 3.6.19 defrost period time for which the appliance is in the defrost mode 3.6.20 design heating fluid temperature THF-d heating fluid mean temperature corresponding to the design outdoor temperature 3.6.21 design inlet temperature Tin-d inlet temperature of the outdoor or indoor heat exchanger corresponding to the design outdoor temperature 3.6.22 design load for cooling Pdesignc cooling load of the building at the reference design conditions for cooling Note to entry: Pdesignc is expressed in kW 3.6.23 design load for heating Pdesignh heating load of the building at the reference design conditions for heating Note to entry: 18 Pdesignh is expressed in kW BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.24 design supply temperature Tout-d outlet temperature of the indoor or outdoor heat exchanger corresponding to the design outdoor temperature 3.6.25 effective electrical power input PE electrical power input of the appliance within the defined interval of time including share of electrical power input of the conveying devices (e.g fans, pumps) for ensuring the transport of the heat transfer media inside the appliance Note to entry: PE is expressed in kW 3.6.26 effective heating, cooling or heat recovery capacity QEh, QEc, QEhr heating, cooling or heat recovery capacity including correction capacity due to the pump(s) Note to entry: QEh, QEc, QEhr are expressed in kW 3.6.27 equivalent resistance resistance to flow in millibar, measured at the outlet of the appliance, which is equivalent to that of the actual flue/duct 3.6.28 full load operation state providing maximum useful capacity under given conditions 3.6.29 efficiency of the external auxiliary gas-fired heating system ηAux efficiency, expressed in GCV, of the external auxiliary gas boiler Note to entry: ηAux is expressed in kW/kW 3.6.30 gas heat input Qg quantity of gas energy used within the defined interval of time corresponding to the gas volume or mass flow rates, the gas calorific value to be used being the net or gross calorific value Note to entry: Qg is expressed in kW 3.6.31 gas utilization efficiency ratio in cooling mode, declared capacity GUEcDC effective cooling declared capacity to gas input ratio Note to entry: Gas input is expressed in GCV; GUEcDC is expressed in kW/kW 3.6.32 gas utilization efficiency ratio in cooling mode GUEc effective cooling capacity to gas input ratio Note to entry: Gas input is expressed in GCV; GUEc is expressed in kW/kW 19 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.33 gas utilization efficiency ratio in heating mode, declared capacity GUEhDC declared effective heating capacity to gas input ratio Note to entry: Gas input is expressed in GCV; GUEhDC is expressed in kW/kW 3.6.34 gas utilization efficiency ratio in heating mode GUEh declared effective heating capacity to gas input ratio Note to entry: Gas input is expressed in GCV; GUEh is expressed in kW/kW 3.6.35 ground heat source GHS borehole heat exchanger, which is mounted in the underground (beneath the surface of the earth) and has the main function to deliver environmental heat to the evaporator of the appliance 3.6.36 heat recovery capacity usable heat given off in the cooling mode from the appliance to the heat transfer medium integrated over and divided by a defined interval of time 3.6.37 heating capacity usable heat given off in the heating mode from the appliance to the heat transfer medium integrated over and divided by a defined interval of time Note to entry: appropriate If heat is removed from the indoor heat exchanger(s) for defrosting, it is taken into account as 3.6.38 heating fluid temperature THF(Toutdoor) heating fluid mean temperature corresponding to the outdoor temperature 3.6.39 heating power of the external auxiliary gas-fired heating system PAux heating power provided by the auxiliary gas boiler in order to cover the difference between building load and declared capacity of the heat pump appliance Note to entry: PAux is expressed in kW 3.6.40 heating surface exponent n exponent of the relationship between the part load ratio and the ratio between the temperature gradient between the heating fluid average temperature and the design room temperature at any given outdoor temperature to the design temperature gradient Note to entry: 20 The heating surface exponent is determined experimentally BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.41 hot condition condition of the appliance required for some tests and obtained by heating to thermal equilibrium at the nominal heat input specified 3.6.42 indoor installation installation in an enclosed space protected from the direct or indirect action of wind and precipitation 3.6.43 indoor temperature Tindoor design indoor temperature 3.6.44 load range of useful capacity from to full load Note to entry: The load is expressed in kW 3.6.45 maximum Temperature Difference ΔTmax maximum Temperature Difference allowed across the indoor heat exchanger of the appliance operating in heating mode 3.6.46 measured heating, cooling or heat recovery capacity Qh, Qc, Qhr heating, cooling or heat recovery capacity measured during the test Note to entry: Qh, Qc, Qhr are expressed in kW 3.6.47 minimal heat input lowest heat input leading to a permanent operation of the burner 3.6.48 nominal unique “standard rating condition” used for CE marking and selected within the standard rating conditions Note to entry: Only one nominal condition is defined for each appliance 3.6.49 nominal air flow rate value of air flow rate declared at the standard air conditions 3.6.50 nominal heating, cooling or heat recovery capacity QNh, QNc, QNhr rated heating or cooling or heat recovery capacity corrected to “standard rating conditions” and at full load Note to entry: These conditions included the reference gas at 15 °C and 013,25 mbar Note to entry: QNh, QNc, QNhr are expressed in kW 21 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.51 nominal heating, cooling or heat recovery gas input QgNh, QgNc, QgNhr rated heating or cooling or heat recovery heat input at “standard rating conditions” and at full load Note to entry: These conditions included the use of the reference gas at 15 °C and 013,25 mbar Note to entry: QgNh, QgNc, QgNhr are expressed in kW 3.6.52 nominal voltage voltage or range of voltages stated at which the appliance can operate normally 3.6.53 nominal water flow rate water flow rate declared at the “standard rating conditions” 3.6.54 off mode OFF mode where the appliance is completely switched off and cannot be reactivated by either control device or timer Note to entry: Off mode means a condition in which the equipment is connected to the mains power source and is not providing any function Note to entry: The following are also considered as off mode: conditions providing only an indication of off mode condition; conditions providing only functionalities intended to ensure electromagnetic compatibility 3.6.55 operating cycle with defrost cycle consisting of a heating period and a defrost period, from defrost termination to defrost termination 3.6.56 outdoor installation installation in an open space unprotected from the direct or indirect action of wind and precipitation 3.6.57 part load ratio PLR building load divided by the design load at a certain outdoor temperature 3.6.58 primary energy conversion factor for electricity Primelec primary energy factor for electricity, value based on ErP Directive (2009/125/EC) or by default equal to 2,5 3.6.59 primary energy conversion factor for gas Primgas primary energy factor for gas, value based on ErP Directive (2009/125/EC) or by default equal to on GCV 3.6.60 primary energy ratio in cooling mode PERc ratio of the effective cooling capacity to the total primary energy input of appliance within the same interval of time 22 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.61 primary energy ratio in heating mode PERh ratio of the effective heating capacity to the total primary energy input of appliance within the same interval of time 3.6.62 operation limit temperature TOL lowest outdoor temperature at which the heat pump can still deliver heating capacity Note to entry: TOL is expressed in °C 3.6.63 rated conditions selected for each appliance among the “standard conditions” and/or the application conditions, in addition to nominal condition Note to entry: Rated conditions can be multiple Note to entry: “Standard and application conditions” are defined in EN 12309–3:2014 and in EN 12309–7:2014 3.6.64 rated air flow rate air flow rate declared at given conditions different from “standard air conditions” 3.6.65 rated heating, cooling or heat recovery capacity QRh, QRc, QRhr heating, cooling or heat recovery capacity at full load declared at given conditions different from the one selected as nominal heating, cooling or heat recovery capacity Note to entry: QRh, QRc, QRhr are expressed in kW 3.6.66 rated water flow rate water flow rate declared at given conditions different from “standard rating conditions” 3.6.67 reduced capacity capacity which is lower than the maximal capacity under the same given conditions 3.6.68 reference annual cooling demand Qrefc representative annual cooling demand which is used for the calculation of reference seasonal performance in cooling mode Note to entry: Qrefc is expressed in kWh 3.6.69 reference annual heating demand Qrefh representative annual heating demand which is used for the calculation of reference seasonal performance in heating mode Note to entry: Qrefh is expressed in kWh 23 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.70 reference collector area AR reference collector area for solar collector sourced sorption heat pump based hybrid heating appliances Note to entry: AR is expressed in m 3.6.71 reference cooling season representative climate profile by bins for cooling corresponding to the reference design conditions for cooling 3.6.72 reference design conditions for cooling temperature conditions at the design outdoor dry bulb temperature for cooling and the indoor design temperatures: dry bulb 27 °C, wet bulb 19 °C Note to entry: Reference design conditions for cooling are expressed in °C 3.6.73 reference design conditions for heating temperature conditions at the design outdoor dry bulb temperatures for heating and the indoor dry bulb design temperature of 20 °C Note to entry: Reference design conditions for heating are expressed in °C 3.6.74 reference design outdoor temperature for cooling Tdesignc design outdoor dry bulb temperature for the reference cooling season: 35 °C Note to entry: Tdesignc is expressed in °C 3.6.75 reference design outdoor temperature for heating Tdesignh design outdoor dry bulb temperature for the reference heating seasons: −10 °C (average), −22 °C (colder), +2 °C (warmer) Note to entry: Tdesignh is expressed in °C 3.6.76 reference heating season representative climate profile by bins for heating corresponding to the reference design conditions for heating season 3.6.77 reference Seasonal Auxiliary Energy Factor in Cooling mode SAEFc seasonal Auxiliary Energy Factor of an appliance calculated for the reference annual cooling demand, including the energy consumption during active mode, thermostat off mode, standby mode and off mode Note to entry: 24 SAEFc is expressed in kWh/kWh BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.78 reference Seasonal Auxiliary Energy Factor in Cooling mode, on SAEFcon seasonal Auxiliary Energy Factor of an appliance calculated for the reference annual cooling demand, including the energy consumption during active mode Note to entry: SAEFcon is expressed in kWh/kWh 3.6.79 reference Seasonal Auxiliary Energy Factor in Heating mode SAEFh seasonal Auxiliary Energy Factor of an appliance calculated for the reference annual heating demands, including the energy consumption during active mode, thermostat off mode, standby mode and off mode Note to entry: SAEFh is expressed in kWh/kWh 3.6.80 reference Seasonal Auxiliary Energy Factor in Heating mode, on SAEFhon seasonal Auxiliary Energy Factor of an appliance calculated for the reference annual heating demands, including the energy consumption during active mode Note to entry: SAEFhon is expressed in kWh/kWh 3.6.81 reference Seasonal Auxiliary Energy Factor in Heating mode, net SAEFhnet seasonal Auxiliary Energy Factor of an appliance calculated for the reference annual heating demands, including the energy consumption in active mode of the heat pump appliance and excluding the power consumption of the auxiliary gas boiler Note to entry: The definition applies only to bivalent appliances Note to entry: SAEFhnet is expressed in kWh/kWh 3.6.82 reference Seasonal Gas Utilization Efficiency Ratio in Cooling mode SGUEc seasonal Gas Utilization Efficiency ratio, expressed in GCV, of an appliance calculated for the reference annual cooling demand Note to entry: SGUEc is expressed in kWh/kWh 3.6.83 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode SGUEh seasonal Gas Utilization Efficiency ratio, expressed in GCV, of an appliance calculated for the reference annual heating demands Note to entry: SGUEh is expressed in kWh/kWh 3.6.84 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode, Net SGUEhnet seasonal Gas Utilization Efficiency ratio, expressed in GCV, of an appliance excluding the contribution of the auxiliary gas boiler and calculated for the reference annual heating demands Note to entry: SGUEhnet is expressed in kWh/kWh 25 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.85 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode, with solar contribution SGUEhs seasonal Gas Utilization Efficiency ratio, expressed in GCV, of an hybrid appliance calculated for the reference annual heating demands with solar contribution Note to entry: SGUEhs is expressed in kWh/kWh 3.6.86 reference Seasonal Primary Energy Ratio in Heating mode SPERh seasonal Primary Energy Ratio of an appliance calculated for the reference annual heating demands Note to entry: SPERh is expressed in kWh/kWh 3.6.87 reference Seasonal Primary Energy Ratio in Heating mode, net SPERhnet seasonal Primary Energy Ratio of an appliance calculated for the reference annual heating demands, including the energy consumption in active mode of the heat pump appliance and excluding the energy consumption of the auxiliary gas boiler Note to entry: The definition applies only to bivalent appliances Note to entry: SPERhnet is expressed in kWh/kWh 3.6.88 refrigeration system components (e.g generator, condenser, evaporator, ab or ad sorber, fan, solution pump, etc.) assembled to form an appliance designed to implement a refrigerating cycle 3.6.89 room temperature TR design room temperature 3.6.90 solar heat demand coverage fraction X ratio of heat demand covered by solar collectors in Solar-water sorption hybrid heat pump based heating appliances to the total building heat demand 3.6.91 solar heat source heat exchanger with the main function is to deliver heat from the solar radiation to the evaporator of the appliance 3.6.92 specific electrical power input of the external auxiliary gas-fired heating system eAux specific electrical power input per unit of thermal power output of the external auxiliary gas boiler Note to entry: eAux is expressed in kW/kW 3.6.93 standard air conditions dry air at 20 °C and at standard barometric pressure of 1013,25 mbar, having a mass density of 1,204 kg/m 26 BS EN 12309-1:2014 EN 12309-1:2014 (E) 3.6.94 standard rating condition mandatory condition that is used for marking and for comparison or certification purposes Note to entry: For air/water, brine/water, water/water appliances, the water temperature level (low, medium, high and very high) applicable to the heating mode is declared 3.6.95 standby mode SB mode where the appliance is switched off partially and can be reactivated by a control device or timer EXAMPLE Standby mode occurs when the end-user deactivates the regular heating mode (heating during vacation time to prevent freezing) Note to entry: The appliance is connected to the main power sources, depends on energy input to work as intended and provides only the following functions, which may persist for an indefinite time: reactivation function, or reactivation function and only an indication of enabled reactivation function, and/or information or status display 3.6.96 steady state operation for non-cyclic operation, period of operation where all measured quantities remain constant according to allowed deviations without having to alter the set values 3.6.97 thermostat off mode TO mode corresponding to the hours with no cooling or heating demand of the building, whereby the cooling or heating function of the appliance is switched on, but is not operational, as there is no cooling or heating demand EXAMPLE Thermostat off mode occurs when outdoor temperature becomes higher than the balance temperature (16 °C) during the day within the heating season 3.6.98 total electrical power input PT electrical consumption of all electrical devices of the appliance within the defined interval of time Note to entry: PT is expressed in kW 3.6.99 transient operation mode of operation of air to liquid (e.g water, brine, etc.) heat pump leading to disrespect the permissible deviation required for steady state operation due to icing of the evaporator 27 BS EN 12309-1:2014 EN 12309-1:2014 (E) Bibliography [1] CEN/TR 1749, European scheme for the classification of gas appliances according to the method of evacuation of the combustion products (types) [2] prEN 12309-2:2013, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 2: Safety [3] EN 12309-3:2014, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 3: Test conditions [4] EN 12309-4:2014, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 4: Test methods [5] EN 12309-5:2014, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 5: Requirements [6] EN 12309-6:2014, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 6: Calculation of seasonal performances [7] EN 12309-7:2014, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 7: Specific provisions for hybrid appliances 28 BS EN 12309-1:2014 EN 12309-1:2014 (E) Index absorption, 3.1.1 active mode, 3.6.1 16 adjustable pressure regulator, 3.3.1 10 adsorption, 3.1.2 aeration adjuster, 3.1.3 air conditioners, 3.1.4 aperture area, 3.6.2 16 appliance, 3.1.5 application rating condition, 3.6.3 16 automatic burner control system, 3.3.2 10 automatic burner system, 3.4.1 12 automatic recycling, 3.4.2 12 automatic shut-off valve, 3.3.3 10 auxiliary Energy Factor in cooling mode, declared capacity, 3.6.4 16 auxiliary Energy Factor in cooling mode, part load, 3.6.5 16 auxiliary Energy Factor in heating mode, declared capacity, 3.6.6 16 auxiliary Energy Factor in heating mode, part load, 3.6.7 16 available external static pressure difference, 3.6.8 17 balance point temperature or heating limit temperature, 3.6.10 17 bin hours, 3.6.11 17 bivalent appliance, 3.1.6 bivalent temperature, 3.6.12 17 brine, 3.1.7 calorific value, 3.5.1 14 capacity ratio, 3.6.13 17 chiller, 3.1.8 chiller/heater, 3.1.9 closed system, 3.1.10 cold condition, 3.6.14 17 combustion chamber, 3.2.1 10 condensing appliance, 3.1.11 control thermostat, 3.3.4 11 controlled shut-down, 3.4.3 12 cooling capacity, 3.6.15 17 cyclical operation, 3.6.16 17 declared capacity, 3.6.17 18 defrost mode, 3.6.18 18 defrost period, 3.6.19 18 design heating fluid temperature, 3.6.20 18 design inlet temperature, 3.6.21 18 design load for cooling, 3.6.22 18 design load for heating, 3.6.23 18 design supply temperature, 3.6.24 18 draught diverter, 3.2.2 10 ductless appliance, 3.1.12 effective electrical power input, 3.6.25 18 effective heating, cooling or heat recovery capacity, 3.6.26 19 efficiency of the external auxiliary gas-fired heating system, 3.6.29 19 equivalent resistance, 3.6.27 19 extinction safety time, 3.4.4 13 fan delay control, 3.3.5 11 first safety time, 3.4.5 13 flame detector device, 3.3.6 11 flame lift, 3.4.7 13 flame signal, 3.3.7 11 flame simulation, 3.3.8 11 flame stability, 3.4.6 13 flame supervision device, 3.3.9 11 flue outlet, 3.2.3 10 flue terminal, 3.2.4 10 full load, 3.6.28 19 gas circuit, 3.1.13 gas fired, 3.1.14 gas heat input, 3.6.30 19 gas inlet connection, 3.1.15 gas pressure, 3.5.2 14 gas rate adjuster, 3.1.16 gas utilization efficiency ratio in cooling mode, 3.6.32 19 gas utilization efficiency ratio in cooling mode, declared capacity, 3.6.31 19 gas utilization efficiency ratio in heating mode, 3.6.34 20 gas utilization efficiency ratio in heating mode, declared capacity, 3.6.33 19 ground heat source, 3.6.35 20 heat pump, 3.1.17 heat recovery capacity, 3.6.36 20 heat recovery, 3.1.18 heat transfer medium, 3.1.19 heating capacity, 3.6.37 20 heating fluid temperature, 3.6.38 20 heating power of the external auxiliary gas-fired heating system, 3.6.39 20 heating surface exponent, 3.6.40 20 high/low control, 3.3.10 11 hot condition, 3.6.41 20 hybrid appliance, 3.1.20 ignition burner, 3.1.21 ignition device, 3.1.22 ignition flame, 3.4.18 14 ignition interlock, 3.4.8 13 ignition opening time, 3.4.9 13 ignition safety time, 3.4.10 13 indoor heat exchanger, 3.1.23 indoor installation, 3.6.42 20 indoor temperature, 3.6.43 20 injector, 3.1.24 internal static pressure difference, 3.6.9 17 light-back, 3.4.11 13 limit gases, 3.5.3 15 limit pressures, 3.5.4 15 load, 3.6.44 21 main burner, 3.1.25 maximum Temperature Difference, 3.6.45 21 measured heating, cooling or heat recovery capacity, 3.6.46 21 mechanical joint, 3.1.26 minimal heat input, 3.6.47 21 modulating control, 3.3.11 11 monovalent appliance, 3.1.27 nominal air flow rate, 3.6.49 21 29 BS EN 12309-1:2014 EN 12309-1:2014 (E) nominal heating, cooling or heat recovery capacity, 3.6.50 21 nominal heating, cooling or heat recovery gas input, 3.6.51 21 nominal voltage, 3.6.52 21 nominal water flow rate, 3.6.53 22 nominal, 3.6.48 21 non-volatile lock-out, 3.4.12 13 normal pressure, 3.5.5 .15 off mode, 3.6.54 22 open system, 3.1.29 .9 operating cycle with defrost, 3.6.55 22 operation limit temperature, 3.6.62 22 outdoor heat exchanger, 3.1.28 outdoor installation, 3.6.56 22 overheat control device, 3.3.12 11 overheat cut-off device, 3.3.13 11 packaged unit, 3.1.30 part load ratio, 3.6.57 22 pressure couple, 3.5.6 .15 pressure regulator, 3.3.14 12 primary energy conversion factor for electricity, 3.6.58 22 primary energy conversion factor for gas, 3.6.59 22 primary energy ratio in heating mode, 3.6.61 22 primary energy ration in cooling mode, 3.6.60 22 primary function, 3.1.31 .9 program, 3.3.15 12 programming unit, 3.3.16 12 putting an adjuster or a control out of service, 3.1.32 range rating device, 3.3.17 12 rated air flow rate, 3.6.64 23 rated heating, cooling or heat recovery capacity, 3.6.65 23 rated water flow rate, 3.6.66 23 rated, 3.6.63 23 reduced capacity, 3.6.67 23 reference annual cooling demand, 3.6.68 23 reference annual heating demand, 3.6.69 23 reference collector area, 3.6.70 23 reference conditions, 3.5.8 15 reference cooling season, 3.6.71 23 reference design conditions for cooling, 3.6.72 23 reference design conditions for heating, 3.6.73 24 reference design outdoor or temperature for cooling, 3.6.74 24 reference design outdoor or temperature for heating, 3.6.75 24 reference gases, 3.5.9 15 reference heating season, 3.6.76 24 reference Seasonal Auxiliary Energy Factor in Cooling mode, 3.6.77 24 30 reference Seasonal Auxiliary Energy Factor in Cooling mode, on, 3.6.78 24 reference Seasonal Auxiliary Energy Factor in Heating mode, 3.6.79 .24 reference Seasonal Auxiliary Energy Factor in Heating mode, net, 3.6.81 .25 reference Seasonal Auxiliary Energy Factor in Heating mode, on, 3.6.80 24 reference Seasonal Gas Utilization Efficiency Ratio in Cooling mode, 3.6.82 25 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode, 3.6.83 25 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode, Net, 3.6.84 25 reference Seasonal Gas Utilization Efficiency Ratio in Heating mode, with solar contribution, 3.6.85 25 reference Seasonal Primary Energy Ratio in Heating mode, 3.6.86 .25 reference Seasonal Primary Energy Ratio in Heating mode, net, 3.6.87 .25 refrigeration system, 3.6.88 .26 relative density, 3.5.7 15 re-start interlock, 3.4.13 .13 restrictor, 3.1.33 room temperature, 3.6.89 26 safety shut-down, 3.4.14 13 sealing an adjuster, 3.1.34 second safety time, 3.4.15 14 secondary function, 3.1.35 10 setting an adjuster, 3.1.36 10 solar heat demand coverage fraction, 3.6.90 26 solar heat source, 3.6.91 26 sooting, 3.4.16 14 sorption appliance, 3.1.38 10 sorption, 3.1.37 10 spark restoration, 3.4.17 14 specific electrical power input of the external auxiliary gas-fired heating system, 3.6.92 .26 spillage monitoring system, 3.3.18 12 standard air conditions, 3.6.93 26 standard rating condition, 3.6.94 26 standby mode, 3.6.95 26 steady state operation, 3.6.96 27 temperature sensing element or sensor, 3.3.19 12 test gases, 3.5.10 15 test pressures, 3.5.11 .15 thermostat off mode, 3.6.97 .27 total electrical power input, 3.6.98 27 transient operation, 3.6.99 27 volatile lock-out, 3.4.19 14 Wobbe index, 3.5.12 16 yellow tipping, 3.4.20 14 This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us Revisions We bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions Our British Standards and other publications are updated by amendment or revision The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process Organizations of all sizes and across all sectors choose standards to help them achieve their goals Information on standards We can provide you with the knowledge that your organization needs to succeed Find out more about British Standards by visiting our website at bsigroup.com/standards or contacting our Customer Services team or Knowledge Centre Buying standards You can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at bsigroup.com/shop, where hard copies can also be purchased If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team Subscriptions Our range of subscription services are designed to make using standards easier for you For further information on our subscription products go to bsigroup.com/subscriptions With British Standards Online (BSOL) you’ll have instant access to over 55,000 British and adopted European and international standards from your desktop It’s available 24/7 and is refreshed daily so you’ll always be up to date You can keep in touch with standards developments and receive substantial discounts on the purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member PLUS is an updating service exclusive to BSI Subscribing Members You will automatically receive the latest hard copy of your standards when they’re revised or replaced To find out more about becoming a BSI Subscribing Member and the benefits of membership, please visit bsigroup.com/shop With a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet Licences can cover as few or as many users as you wish With updates supplied as soon as they’re available, you can be sure your documentation is current For further information, email bsmusales@bsigroup.com BSI Group Headquarters 389 Chiswick High Road London W4 4AL UK We continually improve the quality of our products and services to benefit your business If you find an inaccuracy or ambiguity within a British Standard or other BSI publication please inform the Knowledge Centre Copyright All the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI Details and advice can be obtained from the Copyright & Licensing Department Useful Contacts: Customer Services Tel: +44 845 086 9001 Email (orders): orders@bsigroup.com Email (enquiries): cservices@bsigroup.com Subscriptions Tel: +44 845 086 9001 Email: subscriptions@bsigroup.com Knowledge Centre Tel: +44 20 8996 7004 Email: knowledgecentre@bsigroup.com Copyright & Licensing Tel: +44 20 8996 7070 Email: copyright@bsigroup.com