Standard
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AS 4622-2004
[Current]Electrical and electronic ignition devices for gas appliances
Specifies the uniform minimum requirements for manufacturers, designers, regulatory authorities, testing laboratories and similar organizations for the safety, performance and use of electrical and electronic ignition devices. These electrical and electronic ignition devices are intended for use with natural gas, town gas, tempered liquefied petroleum gas and liquefied petroleum gas.
Published: 24/11/2004
Pages: 17
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope, classification and definitions
1.1 Scope
1.2 Classification
1.2.1 Ignition device types
1.2.2 Classification by electrical power source and type of ignition element
1.2.2.1 Electrical power source
1.2.2.2 Ignition element
1.3 Definitions
2 Design and construction
2.1 Materials
2.1.1 Continuity of satisfactory operation
2.1.2 Suitability for the conditions of use
2.1.3 Materials suitable for continuous immersion in a flame
2.2 Construction
2.2.1 Continuity of satisfactory operation
2.2.2 Accidental displacement
2.2.3 Factory calibration
2.2.4 Sharp edges
2.2.5 External electrical connections
2.2.6 Insulation for both conductors and electrodes
2.2.7 Electrical suitability of components
2.2.8 Construction of parts not covered by this Standard
2.2.9 Ignition means incorporated in combination control
2.3 Design
2.3.1 Accessibility for adjustment
2.3.2 Adjusting devices
2.3.3 Tightening of locking device
2.3.4 Components that require periodic replacement
2.3.5 Components requiring servicing
2.3.6 Special tools not required for servicing or replacement
2.3.7 Location or enclosure of electrical parts
2.3.8 Separation of operating parts from stowed wiring
2.3.9 Satisfactory performance over declared temperature range
2.4 Markings
2.4.1 General
2.4.2 Identification of electrical connections
2.4.3 Durability of markings
2.5 Instructions
2.5.1 General
3 Performance requirments
3.1 General
3.1.1 Satisfactory performance in all mounting positions
3.1.2 Suitability for use with all gases
3.1.3 Satisfactory performance over declared temperature range
3.2 Voltage variation
3.2.1 Device functions fully and correctly above and below nominated voltage range
3.2.2 Device functions fully and correctly at high and low mains supply voltage range
3.2.3 Device functions fully and correctly across high and low battery supply voltage range
3.3 Ignition performance
3.3.1 All igniters excepting piezo to ignite within 3s
3.3.2 Piezo igniters no more than 3 ignition attempts
3.3.3 Piezo igniter performance independent of operation rate
3.3.4 Igniters to perform at all temperatures and voltage in Clauses 3.1 and 3.2
3.4 Flame failure response of reigniters
3.4.1 Reignition attempt within 2s of flame loss
3.4.2 Reignition requirements
3.5 Durability
3.5.1 Cycling test
3.5.2 Heat resistance
3.5.3 Moisture resistance
3.5.4 Operation after short circuit of spark electrode
3.5.5 Cycle test with spark electrode disconnected
Appendix A
A1 Test gases
A2 Samples
A3 M.O.T. 2.4.3 – 95 Markings and labels
A3.1 Scope
A3.2 Method
A3.3 Apparatus
A3.4 Materials
A3.5 Procedure
A3.6 Result
A4 M.O.T. 3.1/3.2/3.3(A) – 84 Mains powered ignition devices—Varying voltage
A4.1 Scope
A4.2 Method
A4.3 Apparatus
A4.4 Materials
A4.5 Preparation of apparatus
A4.6 Procedure
A4.7 Result
A5 M.O.T. 3.1/3.2/3.3(B) – 84 Battery operated devices—Varying voltage
A5.1 Scope
A5.2 Method
A5.3 Apparatus
A5.4 Materials
A5.5 Preparation of apparatus
A5.6 Procedure
A5.7 Result
A6 M.O.T. 3.3.2 – 84 Piezo electric igintion devices—Ignition performance
A6.1 Scope
A6.2 Method
A6.3 Apparatus
A6.4 Materials
A6.5 Preparation of apparatus
A6.6 Procedure
A6.7 Result
A7 M.O.T. 3.4 – 84 Flame failure response
A7.1 Scope
A7.2 Method
A7.3 Apparatus
A7.4 Materials
A7.5 Preparation of apparatus
A7.6 Procedure
A7.7 Result
A8 M.O.T. 3.5 – 95 Ignition devices—Durability
A8.1 Scope
A8.2 Method
A8.3 Apparatus
A8.4 Materials
A8.5 Preparation of apparatus
A8.6 Procedure
A8.7 Result
Appendix B
Cited references in this standard
Content history
AG 206-1998
AS 4622-2004 Rec:2016
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