Name: UNI EN 621 : 2010
Brand: UNI

UNI EN 621 : 2010

Superseded

NON-DOMESTIC GAS-FIRED FORCED CONVECTION AIR HEATERS FOR SPACE HEATING NOT EXCEEDING A NET HEAT INPUT OF 300 KW, WITHOUT A FAN TO ASSIST TRANSPORTATION OF COMBUSTION AIR AND/OR COMBUSTION PRODUCTS

Superseded date

08-13-2022

Published date

01-01-2010

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Construction and design requirements
6 Operational requirements
7 Test methods
8 Marking and instructions
9 Evaluation of POCED conformity and their associated
  terminals
Annex A (informative) - National situations
Annex B (informative) - Equivalence rules
Annex C (informative) - Facilities for commissioning and
  testing
Annex D (informative) - Identification of gas types in use
  in various countries
Annex E (informative) - A-deviations
Annex F (normative) - Special national conditions
Annex G (informative) - National solutions for countries
  whose national bodies are Affiliate Members of CEN
Annex H (informative) - Calculation of conversions of NOx
Annex I (informative) - An example of a sampling plan
Annex ZA (informative) - Relationship between this European
  Standard and the Essential Requirements of EU Directive
  90/396/EEC
Annex ZB (informative) - Clauses of this European Standard
  addressing the provisions of the EU Construction Products
  Directive
Bibliography

Describes the requirements and test methods for the safety and efficiency of nondomestic gas-fired air heaters not exceeding a net heat input of 300 kW with (an) atmospheric burner(s) and without a fan to assist the transportation of combustion air and/or flue gases, hereafter referred to as "appliances".

DevelopmentNote	Together with UNI EN 525, UNI EN 1319, UNI EN 778 and UNI EN 1020, it supersedes UNI 8124 and UNI 8125. (08/2001)
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Superseded
SupersededBy	UNI EN 17082:2020
Supersedes	UNI 8180 : 1980 UNI EN 621 : 2003 UNI 8124 : 1982 UNI 8125 : 82 AMD 211 87

Standards	Relationship
SN EN 621 : 2010	Identical
NEN EN 621 : 2009	Identical
NS EN 621 : 2009	Identical
I.S. EN 621:2009	Identical
EN 621:2009	Identical
NF EN 621 : 2010	Identical
BS EN 621:2009	Identical
NBN EN 621 : 2010	Identical
UNE-EN 621:2010	Identical
DIN EN 621:2010-04	Identical

EN 1859:2009+A1:2013	Chimneys - Metal chimneys - Test methods
IEC 60335-2-102:2004+AMD1:2008+AMD2:2012 CSV	Household and similar electrical appliances - Safety - Part 2-102:Particular requirements for gas, oil and solid-fuel burning appliances having electrical connections
IEC 60730-2-9:2015 RLV	Automatic electrical controls - Part 2-9: Particular requirements for temperature sensing controls
ISO 7005-2:1988	Metallic flanges — Part 2: Cast iron flanges
ISO 6976:2016	Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
EN 10226-2:2005	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 60584-2:1993	Thermocouples - Part 2: Tolerances
EN 60730-2-9:2010	Automatic electrical controls for household and similar use - Part 2-9: Particular requirements for temperature sensing controls
ISO 7005-3:1988	Metallic flanges Part 3: Copper alloy and composite flanges
EN ISO 3166-1:2014	Codes for the representation of names of countries and their subdivisions - Part 1: Country codes (ISO 3166-1:2013)
EN 161:2011+A3:2013	Automatic shut-off valves for gas burners and gas appliances
ISO 1182:2010	Reaction to fire tests for products Non-combustibility test
EN ISO 228-1:2003	Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)
EN 437:2003+A1:2009	Test gases - Test pressures - Appliance categories
EN 125:2010+A1:2015	Flame supervision devices for gas burning appliances - Thermoelectric flame supervision devices
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV	Degrees of protection provided by enclosures (IP Code)
EN 126:2012	Multifunctional controls for gas burning appliances
IEC 61058-1:2016	Switches for appliances - Part 1: General requirements
EN 60584-1:2013	Thermocouples - Part 1: EMF specifications and tolerances
CR 1404:1994	Determination of emissions from appliances burning gaseous fuels during type-testing
EN 60335-2-102:2016	Household and similar electrical appliances - Safety - Part 2-102: Particular requirements for gas, oil and solid-fuel burning appliances having electrical connections
ISO 3166-1:2013	Codes for the representation of names of countries and their subdivisions Part 1: Country codes
EN 61058-1:2002/A2:2008	SWITCHES FOR APPLIANCES - PART 1: GENERAL REQUIREMENTS
EN 60335-1:2012/A13:2017	HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60335-1:2010, MODIFIED)
EN 298:2012	Automatic burner control systems for burners and appliances burning gaseous or liquid fuels
ISO 7005-1:2011	Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
EN 60529:1991/AC:2016-12	DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN ISO 6976:2016	Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)
EN 10226-1:2004	Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation
IEC 60584-1:2013	Thermocouples - Part 1: EMF specifications and tolerances
EN 88-1:2011+A1:2016	Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa
ISO 228-1:2000	Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
EN 60730-1:2016	Automatic electrical controls - Part 1: General requirements
IEC 60730-1:2013+AMD1:2015 CSV	Automatic electrical controls - Part 1: General requirements
EN 257:2010	Mechanical thermostats for gas-burning appliances