Non-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products

This European Standard specifies the requirements and test methods for the safety and efficiency of non-domestic gas-fired air heaters having a fan to assist the transportation of combustion air and/or flue gases, hereafter referred to as "appliances". This includes appliances having forced draught burners.
This European Standard applies to Type B12, B13, B14, B22, B23, B42, B43, B44, B52, B53, C12, C13, C32, C33, C62 and C63 appliances with a heat input not exceeding 300 kW (based on net calorific value) intended for use in other than single unit residential dwellings. It also applies to appliances intended for outdoor installation. Provision of the heated air may be by means of ducting or may be directly into the heated space.
For Type C62 and C63 appliances, this European Standard only applies when such appliances are intended for final installation in a similar manner to Type C3 appliances.
This standard does not apply to:
a)   appliances intended for use in a single unit residential dwelling;
b)   appliances of the condensing type;
c)   appliances with atmospheric burners without a fan to assist the transportation of combustion air and/or flue gases;
d)   dual purpose air conditioning appliances (heating and cooling);
e)   appliances where the air is heated by an intermediate fluid;
f)   appliances fitted with manual or automatic flue dampers;
g)   portable or transportable forced convection appliances;
h)   appliances having multiple heating units with a single draught diverter;
i)   appliances fitted with more than one flue outlet;
j)   appliances that are designed for continuous condensation within the flue system under normal operating conditions;
k)   appliances having combustion products evacuation ducts, POCEDs, that are non-metallic.
This standard is applicable to appliances which are intended to be type tested. It also includes requirements concerning the evaluation of conformity, including factory production control, but these requirements only apply to ...

Gasbefeuerte Warmlufterzeuger mit verstärkter Konvektion für den nicht-häuslichen Gebrauch mit einer Nennwärmebelastung nicht über 300 kW, mit Gebläse zur Beförderung der Verbrennungsluft und/oder der Abgase

Diese Europäische Norm spezifiziert die Anforderungen an und Prüfverfahren für die Sicherheit und Leistungsfähigkeit
gasbefeuerter Warmlufterzeuger für den nicht häuslichen Gebrauch mit einem Gebläse zur
Beförderung der Verbrennungsluft und/oder des Rauchgases (nachfolgend kurz „Geräte“ genannt). Dies
umfasst auch Geräte mit Gebläsebrennern.
Diese Europäische Norm gilt für Geräte der Bauarten B12, B13, B14, B22, B23, B42, B43, B44, B52, B53, C12,
C13, C32, C33, C62 und C63, deren Wärmebelastung 300 kW (bezogen auf den Heizwert) nicht übersteigt, und
die hauptsächlich für den Gebrauch in anderen als nur aus einer Einheit bestehenden Wohnungen bestimmt
sind. Sie gilt auch für Geräte, die im Freien aufgestellt werden. Die Abgabe der Warmluft kann durch
Leitungen oder direkt in den zu beheizenden Raum erfolgen.
Für Geräte der Bauarten C62 und C63 gilt diese Europäische Norm nur, wenn solche Geräte letztlich für die
Installation in gleicher Art wie die Geräte der Bauart C3 vorgesehen sind.
Diese Norm gilt nicht für:
a) Geräte, die für die Verwendung in einer einzelnen Wohnung vorgesehen sind;
b) Geräte mit Brennwertnutzung;
c) Geräte mit atmosphärischen Brennern ohne Gebläse zur Beförderung der Verbrennungsluft und/oder des
Rauchgases;
d) Doppelzweck-Klimaanlagen (zum Heizen und Kühlen);
e) Geräte, bei denen die Luft mittels einer Zwischenflüssigkeit erwärmt wird;
f) Geräte mit einer handbetätigten oder automatischen Einrichtung zur Einstellung der Verbrennungsluftzufuhr
oder der Abgasabführung (einschließlich Abgasdrosselklappen);
g) tragbare oder transportable Geräte mit erzwungener Konvektion;
h) Geräte mit mehreren Heizelementen mit nur einer Strömungssicherung;
i) Geräte mit mehr als einem Abgasstutzen;
j) Geräte, die innerhalb der Abgasleitungen bei den üblichen Betriebsbedingungen für andauernde Kondensation
ausgelegt sind;

Générateurs d'air chaud à convection forcée utilisant les combustibles gazeux pour le chauffage de locaux autres que l'habitat individuel de débit calorifique sur PCI inférieur ou égal à 300 kW, comportant un ventilateur pour aider l'alimentation en air comburant et/ou l'évacuation des produits de combustion

La présente Norme européenne définit les exigences et les méthodes d’essai relatives à la sécurité et au
rendement des générateurs d’air chaud à usage non domestique, comportant un ventilateur pour aider
l’alimentation en air chaud et/ou l’évacuation des produits de combustion, appelés ci-après « appareils ». Ceci
inclut les appareils équipés de brûleurs à air soufflé.
La présente Norme européenne s'applique aux appareils de types B12, B13, B14, B22, B23, B42, B43, B44, B52, B53,
C12, C13, C32, C33, C62 et C63 de débit calorifique inférieur ou égal à 300 kW (sur le pouvoir calorifique inférieur)
destinés à être utilisés dans des locaux autres que l'habitat individuel. Elle s'applique également à des
appareils destinés à des installations extérieures. La distribution de l'air chaud peut se faire par des gaines ou
directement dans l'espace à chauffer.
Pour les appareils de types C62 et C63, la présente Norme européenne ne s'applique que si ceux-ci sont
destinés à être installés d'une façon analogue à celle des appareils de type C3.
La présente norme ne s'applique pas aux appareils :
a) destinés à être utilisés pour un habitat individuel ;
b) à condensation ;
c) équipés de brûleurs atmosphériques sans ventilateur pour l'alimentation en air de combustion et/ou
l'évacuation des produits de combustion ;
d) de climatisation à usage double (chauffage et refroidissement de l'air) ;
e) de chauffage de l'air par un fluide caloporteur intermédiaire ;
f) comportant des clapets de fumée manuels ou automatiques ;
g) portatifs ou transportables à convection forcée ;
h) comportant plusieurs buses d'évacuation ;
i) intégrés à une ou plusieurs buses d’évacuation:
j) conçus pour une condensation continue dans le système d’évacuation dans des conditions normales de
fonctionnement ;
k) équipés de conduits d’évacuation de produits de combustible, de POCED non métalliques.

Plinski grelniki zraka s prisilno konvekcijo za gretje nestanovanjskih prostorov z imensko močjo do vključno 300 kW z ventilatorjem za zgorevalni zrak in/ali produkte zgorevanja

Ta evropski standard določa zahteve in preskusne metode za varnost in učinkovitost plinskih negospodinjskih grelnikov zraka z ventilatorjem za zgorevalni zrak in/ali dimne pline, v nadaljevanju »aparatov«. To vključuje aparate, ki imajo gorilnike na prisilni vlek. Ta evropski standard velja za tipe aparatov B12, B13, B14, B22, B23, B42, B43, B44, B52, B53, C12, C13, C32, C33, C62 in C63 z dovodom toplote, ki ne presega 300 kW (na osnovi neto kalorične vrednosti) in ki niso namenjeni za uporabo v posameznih enotah stanovanjskih objektov. Prav tako velja za aparate, namenjene za zunanjo namestitev. Preskrbovanje s segretim zrakom lahko poteka preko vodov ali neposredno v prostor, ki se segreva. Za tipa aparatov C62 in C63 velja ta evropski standard zgolj, kadar so ti aparati namenjeni končni namestitvi na podoben način kot pri aparatih tipa C3. Ta standard ne velja za: a) aparate, namenjene za uporabo v posamezni enoti stanovanjskega objekta; b) aparate kondezacijskega tipa; c) aparate z atmosferskimi gorilniki brez ventilatorja za zgorevalni zrak in/ali dimnimi plini; d) aparate za klimatizacijo, ki imajo dvojni namen (segrevanje in hlajenje); e) aparate, kjer se zrak segreva z vmesno tekočino; f) aparate, opremljene z ročnimi ali avtomatskimi blažilniki dimnega plina; g) prenosne ali premične aparate s prisilno konvekcijo; h) aparate, ki imajo več grelnikov z enim preusmerjevalcem vleka; i) aparate, opremljene z več kot enim izhodom dimnega plina; j) aparate, ki so zasnovani za neprekinjeno kondenzacijo znotraj sistema za dimni plin pod običajnimi pogoji delovanja; k) aparate, ki imajo vode za praznjenje produktov izgorevanja, POCEDs, ki niso iz kovine. Ta standard velja za aparate, namenjene za tipsko preskušanje. Prav tako vsebuje zahteve glede ocenjevanja skladnosti, vključno s kontrolo proizvodnje, ki pa veljajo zgolj za POCEDs in z njimi povezane terminale.

General Information

Status
Withdrawn
Publication Date
03-Nov-2009
Withdrawal Date
15-Oct-2019
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
16-Oct-2019

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Gasbefeuerte Warmlufterzeuger mit verstärkter Konvektion für den nicht-häuslichen Gebrauch mit einer Nennwärmebelastung nicht über 300 kW, mit Gebläse zur Beförderung der Verbrennungsluft und/oder der AbgaseGénérateurs d'air chaud a convection forcée utilisant les combustibles gazeux pour le chauffage de locaux autres que l'habitat individuel de débit calorifique sur PCI inférieur ou égal a 300 kW, comportant un ventilateur pour aider l'alimentation en air comburant et/ou l'évacuation des produits de combustionNon-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products97.100.20Plinski grelnikiGas heatersICS:Ta slovenski standard je istoveten z:EN 1020:2009SIST EN 1020:2010en,fr,de01-februar-2010SIST EN 1020:2010SLOVENSKI

STANDARDSIST EN 1020:1999/A1:2002SIST EN 1020:19991DGRPHãþD
SIST EN 1020:2010
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1020
November 2009 ICS 97.100.20 Supersedes EN 1020:1997English Version

Non-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products

Générateurs d'air chaud à convection forcée utilisant les combustibles gazeux pour le chauffage de locaux autres que l'habitat individuel de débit calorifique sur PCI inférieur ou égal à 300 kW, comportant un ventilateur pour aider l'alimentation en air comburant et/ou l'évacuation des produits de combustion

Gasbefeuerte Warmlufterzeuger mit verstärkter Konvektion für den nicht-häuslichen Gebrauch mit einer Nennwärmebelastung nicht über 300 kW, mit Gebläse zur Beförderung der Verbrennungsluft und/oder der Abgase This European Standard was approved by CEN on 5 October 2009.

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:
Avenue Marnix 17,

B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1020:2009: ESIST EN 1020:2010

EN 1020:2009 (E) 2 Contents Page Foreword ............................................................................................................................................................. 41Scope ..................................................................................................................................................... 52Normative references ........................................................................................................................... 53Terms and definitions ........................................................................................................................... 73.1Appliance and its constituent parts .................................................................................................... 74Classification of systems ................................................................................................................... 164.1Classification according to the nature of the gases used (Categories) ........................................ 164.2Classification of appliances according to the gases capable of being used ............................... 174.3Classification of appliances according to the mode of evacuation of the combustion products ............................................................................................................................................... 185Constructional requirements ............................................................................................................. 205.1General ................................................................................................................................................. 205.2Adjusting, control and safety devices .............................................................................................. 285.3Ignition devices ................................................................................................................................... 345.4Transportation of combustion air and/or flue gases ...................................................................... 355.5Flame supervision system ................................................................................................................. 365.6Start-gas flame establishment ........................................................................................................... 385.7Main flame establishment .................................................................................................................. 415.8Main burner ......................................................................................................................................... 425.9Facility for remote control.................................................................................................................. 425.10Thermostats and air temperature control ........................................................................................ 425.11Gas pressure test points .................................................................................................................... 435.12Combustion chamber pressure relief ............................................................................................... 435.13Facilities for commissioning and testing ......................................................................................... 435.14Additional requirements for appliances designed for outdoor installation ................................. 446Operational requirements .................................................................................................................. 446.1Safety of operation ............................................................................................................................. 446.2Efficiency ............................................................................................................................................. 517Test methods ....................................................................................................................................... 527.1General ................................................................................................................................................. 527.2Construction and design.................................................................................................................... 617.3Safety of operation ............................................................................................................................. 627.4Efficiency ............................................................................................................................................. 988Marking and instructions ................................................................................................................. 1018.1Marking of the appliance .................................................................................................................. 1018.2Marking of the packaging................................................................................................................. 1028.3Utilization of symbols on the appliance and packaging ............................................................... 1028.4Instructions ....................................................................................................................................... 1049Evaluation of conformity of POCED's and their associated terminals ....................................... 1079.1General ............................................................................................................................................... 1079.2Type testing ....................................................................................................................................... 1079.3Factory production control (FPC) ................................................................................................... 108Annex A (informative)

National situations ................................................................................................... 110A.1General ............................................................................................................................................... 110A.2Categories listed in the body of the standard and marketed in different countries .................. 110A.3Appliance supply pressures corresponding to the categories given in A.2 .............................. 112A.4Special categories marketed nationally or locally ........................................................................ 113SIST EN 1020:2010

EN 1020:2009 (E) 3 A.5Test gases corresponding to the special categories given in A.4 ............................................... 117A.6Gas connections in the various countries ...................................................................................... 119A.7Flue connections in the various countries ..................................................................................... 120Annex B (informative)

Equivalence rules ..................................................................................................... 121B.1Conversion to categories within a restricted Wobbe index range ............................................... 121B.2Conversion to categories within an identical Wobbe index range ............................................... 121B.3Conversion to categories within a wider Wobbe index range ...................................................... 122Annex C (normative)

Classification according to the evacuation of the combustion ............................. 123C.1Type B1................................................................................................................................................ 123C.2Type B2................................................................................................................................................ 124C.3Type B4................................................................................................................................................ 125C.4Type B5................................................................................................................................................ 127C.5Type C1................................................................................................................................................ 128C.6Type C3................................................................................................................................................ 129Annex D (normative)

Requirements and test methods for separate air supply and combustion products evacuation ducts ............................................................................................................... 130D.1Requirements ..................................................................................................................................... 130D.2Test methods ..................................................................................................................................... 130Annex E (informative)

Facilities for commissioning and testing (see 5.13) ............................................. 134E.1Appliances with automatic ignition of a start-gas flame ............................................................... 134E.2Appliances with direct automatic ignition of the main burner ..................................................... 134Annex F (informative)

Identification of gas types in use in various countries ......................................... 135Annex G (informative)

Requirements in EN 1020 which relate to the design and construction of forced draught burners covered in EN 676:1996 ........................................................................... 136Annex H (informative)

A-deviations .............................................................................................................. 137H.1General ............................................................................................................................................... 137H.2Switzerland ......................................................................................................................................... 137Annex I (normative)

Special national conditions ......................................................................................... 138I.1Special national conditions .............................................................................................................. 138I.2Belgium ............................................................................................................................................... 138I.3Italy ...................................................................................................................................................... 138Annex J (informative)

National solutions for countries whose national bodies are Affiliate Members of CEN ................................................................................................................................ 139J.1Categories listed in the body of the standard and marketed in different countries ................... 139J.2Appliance supply pressures corresponding to the categories given in J.1 ............................... 139J.3Special categories marketed nationally or locally ......................................................................... 139J.4Gases and test pressures corresponding to the special categories given in J.3 ...................... 139Annex K (informative)

Calculation of conversions of NOx ......................................................................... 140Annex L (informative)

Sampling plan example ............................................................................................ 141L.1Sampling plans .................................................................................................................................. 141L.2Inspection levels and procedures.................................................................................................... 142Annex ZA (informative)

Relationship between this European Standard and the Essential Requirements of EU Directives ........................................................................................................ 143Annex ZB (informative)

Clauses of this European Standard addressing the provisions of the EU Construction Products Directive ..................................................................................................... 146ZB.2Procedure(s) for attestation of conformity of [construction products] ....................................... 148ZB.3 CE marking and labelling .................................................................................................................. 150Bibliography .................................................................................................................................................... 152 SIST EN 1020:2010

EN 1020:2009 (E) 4 Foreword This document (EN 1020:2009) has been prepared by Technical Committee CEN/TC 180 “Domestic and non-domestic gas-fired air heaters and non-domestic gas-fired overhead radiant heaters”, the secretariat of which is held by AFNOR. 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 May 2010, and conflicting national standards shall be withdrawn at the latest by May 2010. 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 document supersedes EN 1020:1997. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive(s). For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this document. This revision modifies EN 1020:1997. It has been prepared to incorporate requirements for combustion products evacuation ducts, POCEDs, supplied as an integral part of the system to support the EU Directive 89/106/EEC on construction products under mandate M105. To this end it extends the scope of the standard to cover type B4 and type B5 appliances.

Furthermore, the opportunity presented by this revision has been taken to update the standard in respect to EN 437:2003.

NOTE For countries requesting special categories (specified in EN 437:2003), the absence of specific information concerning A.3.3 and A.3.4 implies that the general requirements described in the body of the standard (see 4.1.1, 4.2.2, 4.2.3 and 4.2.5) also apply to these special categories. 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 the United Kingdom. SIST EN 1020:2010

EN 1020:2009 (E) 5

1 Scope This European Standard specifies the requirements and test methods for the safety and efficiency of non-domestic gas-fired air heaters having a fan to assist the transportation of combustion air and/or flue gases, hereafter referred to as "appliances". This includes appliances having forced draught burners. This European Standard applies to Type B12, B13, B14, B22, B23, B42, B43, B44, B52, B53, C12, C13, C32, C33, C62 and C63 appliances with a heat input not exceeding 300 kW (based on net calorific value) intended for use in other than single unit residential dwellings. It also applies to appliances intended for outdoor installation. Provision of the heated air may be by means of ducting or may be directly into the heated space. For Type C62 and C63 appliances, this European Standard only applies when such appliances are intended for final installation in a similar manner to Type C3 appliances. This standard does not apply to: a) appliances intended for use in a single unit residential dwelling; b) appliances of the condensing type; c) appliances with atmospheric burners without a fan to assist the transportation of combustion air and/or flue gases; d) dual purpose air conditioning appliances (heating and cooling); e) appliances where the air is heated by an intermediate fluid; f) appliances fitted with manual or automatic flue dampers; g) portable or transportable forced convection appliances; h) appliances having multiple heating units with a single draught diverter; i) appliances fitted with more than one flue outlet; j) appliances that are designed for continuous condensation within the flue system under normal operating conditions; k) appliances having combustion products evacuation ducts, POCEDs, that are non-metallic. This standard is applicable to appliances which are intended to be type tested. It also includes requirements concerning the evaluation of conformity, including factory production control, but these requirements only apply to POCEDs and their associated terminals. NOTE Requirements for appliances which are not type tested would need to be subject to further consideration. 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 88-1, Pressure regulators and associated safety devices for gas appliances — Part 1: Pressure regulators for inlet pressures up to and including 500 mbar SIST EN 1020:2010

EN 1020:2009 (E) 6 EN 125, Flame supervision devices for gas burning appliances — Thermo-electric flame supervision devices EN 126, Multifunctional controls for gas burning appliances EN 161, Automatic shut-off valves for gas burners and gas appliances EN 257, Mechanical thermostats for gas-burning appliances EN 298:2003, Automatic burner control systems for gas burners and gas burning appliances with or without fans EN 437:2003, Test gases — Test pressures — Appliance categories EN 1859:2000, Chimneys — Metal Chimneys — Test methods EN 10226-1, Pipe threads where pressure tight joints are made on the threads — Part 1: Taper external threads and parallel internal threads — Dimensions, tolerances and designation EN 10226-2, Pipe threads where pressure tight joints are made on the threads — Part 2: Taper external threads and taper internal threads — Dimensions, tolerances and designation EN 12067-1, Gas/air ratio controls for gas burners and gas burning appliances — Part 1: Pneumatic types EN 60335-1:2002, Household and similar electrical appliances — Safety — Part 1: General requirements

(IEC 60335-1:2001, modified) EN 60335-2-102, Household and similar electrical appliances — Safety — Part 2-102: Particular requirements for gas, oil and solid-fuel burning appliances having electrical connections

(IEC 60335-2-102:2004, modified) EN 60529:1991, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) EN 60584-1, Thermocouples — Part 1: Reference tables (IEC

60584-1:1995) EN 60584-2, Thermocouples — Part 2: Tolerances (IEC 60584- 2:1982 + A1:1989) EN 60730-1,Automatic electrical controls for household and similar use — Part 1: General requirements (IEC 60730-1:1999, modified) EN 60730-2-9:2002, Automatic electrical controls for household and similar use — Part 2-9: Particular requirements for temperature sensing controls (IEC 60730-2-9:2000, modified) EN 61058-1, Switches for appliances — Part 1: General requirements (IEC 61058-1:2000 + A1:2001, modified) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads — Part 1: Dimensions, tolerances and designation (ISO 228-1:2000) EN ISO 3166-1, Codes for the representation of names of countries and their subdivisions — Part 1: Country codes (ISO 3166-1:2006) EN ISO 6976, Natural gas — Calculation of the calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999) ISO 7-1, Pipe threads where pressure-tight joints are made

on the threads - Part 1: Dimensions, tolerances
and designation SIST EN 1020:2010

EN 1020:2009 (E) 7 ISO 228-1:1994, Pipe threads where pressure-tight joints are not

made on the threads — Part 1: Dimensions,

tolerances and designation ISO 1182:1990, Reaction to fire tests for building products — Non-combustibility test ISO 7005-1, Metallic flanges — Part 1: Steel flanges ISO 7005-2, Metallic flanges — Part 2: Cast iron flanges ISO 7005-3, Metallic flanges — Part 3: Copper alloy and composite flanges CR 1404, Determination of emissions from appliances burning gaseous fuels during type testing 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1

Appliance and its constituent parts 3.1.1

non-domestic air heater appliance designed for the heating and possibly ventilation of a building other than a single unit residential dwelling 3.1.2 forced convection air heater appliance designed to provide space heating from a central source by distributing heated air, by means of an air moving device, either through ducting or directly into the heated space 3.1.3 gas inlet connection part of the appliance intended to be connected to the gas supply 3.1.4 mechanical joint mechanical means of obtaining soundness means of ensuring the soundness of an assembly of several (generally metallic) parts without the use of liquids (e.g. pastes and tapes) EXAMPLES Metal to metal joints; conical joints; toroidal sealing rings (“O” rings); flat joints. 3.1.5

gas circuit part of the burner unit that conveys or contains the gas between the burner unit gas inlet connection and the burners 3.1.6 restrictor device with an orifice, which is placed in the gas circuit so as to create a pressure drop and thus reduce the gas pressure at the burner to a predetermined value for a given supply pressure and rate 3.1.7

gas rate adjuster component allowing an authorised person to set the gas rate of the burner to a predetermined value according to the supply conditions NOTE 1 Adjustment can be progressive (screw adjuster) or in discrete steps (by changing restrictors). SIST EN 1020:2010

EN 1020:2009 (E) 8 NOTE 2 The adjusting screw of an adjustable regulator is regarded as a gas rate adjuster. NOTE 3 The action of adjusting this device is called “adjusting the gas rate”. NOTE 4 A factory sealed gas rate adjuster is considered to be non-existent. 3.1.8 setting an adjuster immobilizing a gas rate adjuster (e.g. by turning a screw), after the gas rate has been adjusted by the manufacturer or installer 3.1.9 setting of an adjuster using a material such that any attempt to change the adjustment breaks the sealing material and makes the interference with the adjuster apparent

NOTE 1 The adjuster is then said to be "sealed" in its adjustment position. NOTE 2 A factory sealed adjuster is considered to be non-existent. NOTE 3 A regulator is considered to be non-existent if it has been factory sealed in a position such that it is not operational in the range of supply pressures corresponding to the appliance category. 3.1.10 putting an adjuster or a control out of service putting an adjuster or a control (of temperature, pressure, etc.) out of action and sealing it in this position

NOTE The appliance then functions as if the adjuster or control had been removed. 3.1.11 injector component that admits the gas into a burner 3.1.12 main burner burner that is intended to assure the thermal function of the appliance 3.1.13 ignition device means (e.g. flame, electrical ignition device or other device) used to ignite the gas at the ignition burner or at the main burner NOTE This device can operate intermittently or permanently. 3.1.14 ignition burner burner whose flame is intended to ignite another burner 3.1.15 aeration adjuster device enabling the air to be set at the desired value according to the supply conditions NOTE The action of adjusting this device is called "adjusting the aeration". 3.1.16 combustion products circuit 3.1.16.1 combustion chamber enclosure inside which combustion of the air-gas mixture takes place SIST EN 1020:2010

EN 1020:2009 (E) 9 3.1.16.2 flue outlet part of a Type B appliance that connects with a flue to evacuate the products of combustion 3.1.16.3 draught diverter device placed in the combustion products circuit to reduce the influence of flue-pull and that of down-draught on the burner performance and combustion 3.1.16.4 flue damper manual or automatic device placed in the combustion products circuit intended to restrict or fully close off the passageways for the evacuation of products of combustion when the appliance is not in use 3.1.16.5 flue terminal device fitted at the end of the duct system which enables the discharge of flue gases and may, at the same time, allow entry of combustion air 3.1.16.6 C6 flue terminal terminal which is specially approved for Type C6 appliances 3.1.16.7 flue adaptor box means of adapting the appliance for connection to different duct systems EXAMPLE From concentric to separate ducts. 3.1.16.8 POCED combustion products evacuation duct that is intended to be used only with a specific appliance/system, this duct being either supplied with the appliance/system or specified in the manufacturers instructions 3.1.17 fully premixed burner pre-aerated burner system in which gas is mixed in a pre-determined and adjustable ratio with all of the air necessary for combustion 3.1.18 gas/air ratio control device that automatically adapts the combustion air rate to the gas rate and vice versa 3.2

Adjustment, control and safety devices 3.2.1 range rating device component on the appliance intended to be used by the installer to adjust the heat input of the appliance, within a range of heat inputs stated by the manufacturer, to suit the actual heat requirements of the installation NOTE This adjustment may be progressive (e.g. by use of a screw adjuster) or in discrete steps (e.g. by changing restrictors). 3.2.2 automatic burner control system system comprising at least a programming unit and all the elements of a flame detector device

NOTE The various functions of an automat
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