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BS EN 12669:2000

Current
Current

The latest, up-to-date edition.

Direct gas-fired hot air blowers for use in greenhouses and supplementary non-domestic space heating
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-15-2000

FOREWORD
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
      3.1 APPLIANCE AND ITS CONSTITUENT PARTS
      3.2 ADJUSTING, CONTROL AND SAFETY DEVICES
      3.3 OPERATION OF THE APPLIANCE
      3.4 GASES
      3.5 CONDITIONS OF OPERATION AND MEASUREMENT
      3.6 COUNTRY OF DESTINATION
      3.7 CLASSIFICATION
             3.7.1 Classification of gases
             3.7.2 Classification of appliances
4 CONSTRUCTION AND DESIGN REQUIREMENTS
      4.1 GENERAL
             4.1.1 Conversion to different gases
             4.1.2 Materials and methods of construction
             4.1.3 Accessibility for maintenance and use
             4.1.4 Thermal insulation
             4.1.5 Gas connection
             4.1.6 Soundness of the gas circuit
             4.1.7 Supply and distribution of air
             4.1.8 Checking the state of operation
             4.1.9 Electrical equipment
             4.1.10 Operational safety in the event of
                      fluctuation, interruption, and
                      restoration of the auxiliary energy
             4.1.11 Motors and fans
      4.2 ADJUSTING, CONTROL AND SAFETY DEVICES
             4.2.1 General
             4.2.2 Gas rate adjusters and range-rating
                      devices
             4.2.3 Aeration adjusters
             4.2.4 Manual controls
             4.2.5 Governors
             4.2.6 Multifunctional controls
             4.2.7 Flame supervision devices
             4.2.8 Automatic shut-off valves
             4.2.9 Automatic burner control systems
             4.2.10 Gas strainers
             4.2.11 Air strainers and filters
      4.3 IGNITION DEVICES
             4.3.1 General
             4.3.2 Ignition device for the main burner
             4.3.3 Ignition burners
      4.4 COMBUSTION AND DILUTION AIR, PRE-PURGE AND
             POST-PURGE
      4.5 FLAME SUPERVISION SYSTEM
             4.5.1 Appliances with non-automatic burner
                      systems
             4.5.2 Appliances with automatic burner systems
      4.6 START-GAS FLAME ESTABLISHMENT
             4.6.1 Appliances with non-automatic burner
                      systems
             4.6.2 Appliances with automatic burner systems
      4.7 MAIN FLAME ESTABLISHMENT
             4.7.1 Establishment by means of a start gas
                      flame
             4.7.2 Direct establishment of the main flame
      4.8 MAIN BURNER
      4.9 FACILITY FOR REMOTE CONTROL
      4.10 THERMOSTATS AND CONTROL OF AIR TEMPERATURE
             4.10.1 General
             4.10.2 Control of delivered air temperature
             4.10.3 Overheat cut-off device
             4.10.4 Sensors
      4.11 GAS PRESSURE TEST POINTS
      4.12 FACILITIES FOR COMMISSIONING AND TESTING
             4.12.1 General
             4.12.2 Appliances having reduced start gas
                      rates
      4.13 ADDITIONAL REQUIREMENTS FOR APPLIANCES DESIGNED
             FOR PERMANENT OUTDOOR INSTALLATION OR WHERE
             AUTOMATIC IRRIGATION SYSTEMS ARE USED
             4.13.1 General
             4.13.2 Air inlets (outdoor appliances)
             4.13.3 Access panels and doors
             4.13.4 Dimensions of openings
             4.13.5 Fixing screws
5 OPERATIONAL REQUIREMENTS
      5.1 SOUNDNESS OF THE GAS CIRCUIT
      5.2 HEAT INPUTS
             5.2.1 Nominal heat input
             5.2.2 Start gas heat input
             5.2.3 Effectiveness of gas rate adjusters
             5.2.4 Effectiveness of the gas governor
             5.2.5 Effectiveness of the range-rating device
      5.3 LIMITING TEMPERATURES
             5.3.1 Temperatures of parts that have to be
                      touched during normal use
             5.3.2 Temperatures of the appliance casing
             5.3.3 Component temperatures
             5.3.4 Fan motor winding temperatures
             5.3.5 Maximum temperature of the delivered air
      5.4 IGNITION, CROSS-LIGHTING, FLAME STABILITY
             5.4.1 Ignition and cross-lighting
             5.4.2 Flame stability
      5.5 COMBUSTION
             5.5.1 Appliances designed to be used in
                      greenhouses
             5.5.2 Other appliances
             5.5.3 Combustion air proving device(s)
             5.5.4 CO2 safety device
             5.5.5 Auxiliary energy variations
      5.6 OVERHEAT CUT-OFF DEVICE
      5.7 WATER RESISTANCE
6 TEST METHODS
      6.1 GENERAL
             6.1.1 Characteristics of test gases;
                      reference and limit gases
             6.1.2 Conditions for preparation of the test
                      gases
             6.1.3 Practical application of test gases
             6.1.4 Test pressures
             6.1.5 Test procedures
             6.1.6 General test conditions
      6.2 CONSTRUCTION AND DESIGN
             6.2.1 Automatic burner control systems
                      (manually operated devices)
             6.2.2 Ignition opening time
             6.2.3 Ignition of the ignition burner with
                      the downstream main gas automatic
                      shut-off valve open
             6.2.4 Combustion air proving device(s)
      6.3 SAFETY OF OPERATION
             6.3.1 Soundness of the gas circuit
             6.3.2 Heat inputs
             6.3.3 Limiting temperatures
             6.3.4 Ignition, cross-lighting and flame
                      stability
             6.3.5 Combustion
             6.3.6 Overhead cut-off device
             6.3.7 Water resistance
7 MARKING AND INSTRUCTIONS
      7.1 GENERAL
      7.2 DESCRIPTION
      7.3 DATA PLATE AND LABELLING
      7.4 OTHER MARKING
      7.5 MARKING OF THE PACKAGING
      7.6 UTILIZATION OF SYMBOLS ON THE APPLIANCE AND
             PACKAGING
             7.6.1 Electrical supply
             7.6.2 Type of gas
             7.6.3 Gas supply pressure
             7.6.4 Country of destination
             7.6.5 Category
             7.6.6 Other information
      7.7 INSTRUCTIONS
             7.7.1 General
             7.7.2 Technical instructions for installation
                      and adjustment
             7.7.3 Instructions for conversion
             7.7.4 Instructions for servicing
             7.7.5 Instructions for use and maintenance
             7.7.6 Presentation
ANNEX A (INFORMATIVE) NATIONAL SITUATIONS
      A.1 - CATEGORIES LISTED IN THE BODY OF THE STANDARD AND
            MARKETED IN THE DIFFERENT COUNTRIES
      A.2 - APPLIANCE SUPPLY PRESSURES CORRESPONDING TO THE
            CATEGORIES GIVEN IN A.1
      A.3 - SPECIAL CATEGORIES MARKETED NATIONALLY OR LOCALLY
      A.4 - TEST GASES AND TEST PRESSURES CORRESPONDING TO THE
            SPECIAL GASES GIVEN IN A.3
      A.5 - GAS CONNECTIONS IN THE VARIOUS COUNTRIES
ANNEX B (INFORMATIVE) GUIDANCE FOR LIMITATIONS OF APPLICATION
                      OF DIRECT-FIRED AIR HEATERS IN BUILDINGS
      B.1 - GENERAL PRINCIPLES
      B.2 - SAFE OPERATING EMISSION LEVELS
      B.3 - ASSESSMENT OF CONCENTRATIONS
      B.4 - CASE STUDIES
ANNEX C (INFORMATIVE) A-DEVIATIONS
ANNEX D (NORMATIVE) SPECIAL NATIONAL CONDITIONS
ANNEX ZA (INFORMATIVE) CLAUSES OF THIS EUROPEAN STANDARD
                       ADDRESSING REQUIREMENTS OR PROVISIONS
                       OF EU DIRECTIVES

Requirements and test methods for the safety of direct gas-fired hot air blowers for greenhouses, agricultualized or supplementary space heating, hereinafter called "appliances". "Supplementary" in this standard means to make up a deficiency, i.e for the temporary heating of spaces intended for agricultural or commercial use; stables, sheds, poultry houses, barns, cattle pens, factories, workshops, warehouses etc. Applicable to appliances of type A3 with heat input of 180 kW or less, based on the net calorific value, filled with integral burner, including applicances designed for outdoor installation. Provision of the heated air will be directly into the heated space. Not applicable to; residential dwellings, appliances fitted with gas booters, air/gas ration controls, forced draught package burners/others.

Committee
GSE/20
DevelopmentNote
Supersedes 96/716554 DC. (08/2005)
DocumentType
Standard
Pages
80
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
UNI EN 12669 : 2003 Identical
UNE-EN 12669:2001 Identical
SN EN 12669 : 2000 Identical
NBN EN 12669 : 2000 Identical
DIN EN 12669:2000-09 Identical
I.S. EN 12669:2000 Identical
NS EN 12669 : 1ED 2000 Identical
NEN EN 12669 : 2000 Identical
NF EN 12669 : 2000 Identical
EN 12669:2000 Identical

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