AS/NZS 5263.1.11:2020
Gas appliances, Part 1.11: Small gas engine driven appliances
Standard specifies particular requirements for small gas fuelled spark ignition reciprocating internal combustion engine driven appliances, such as air conditioners, heat pumps, electricity generators and gas compressors, for application in conjunction with AS/NZS 5263.0.
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AS/NZS 5263.1.11:2020 Gas appliances Small gas engine driven appliances
Preface
Section 1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
1.4 Test methods
Section 2 Design and construction
2.1 Scope
2.2 General design requirements
2.2.3 Fitting of flame safeguards
2.2.101 Supports for appliance pipework
2.2.102 Crankcase gas venting
2.2.103 Batteries
2.2.104 Mechanical ventilation failure
2.2.105 Failure of cooling system
2.3 Materials
2.3.5 Components required to be placed in a flame
2.3.101 Flueway insulation
2.4 Design for assembly and installation
2.4.101 Provision of hose assembly
2.5 Design for maintenance
2.5.2 Accessibility for replacement
2.5.7 Viewing of flames
2.6 Design for operation
2.6.2 Proving of burner or pilot ignition
2.6.3 Burner controls
2.6.4 Primary guards openings
2.6.5 Touchability of flames
2.6.6 Air filters
2.6.101 Guarding against temperature hazards
2.6.102 Protection against moving parts
2.6.103 Openings in and around guards
2.7 Control and safety devices
2.7.2 Pilot shut off
2.7.3 Main burner shut off provision
2.7.4 Programmable electronic systems
2.7.101 Engine shutdown detection
2.7.102 Activation of automatic shut off valves
2.7.103 Controls accessibility
2.7.104 Engine isolation and stopping device
2.7.105 Overspeed protection
2.8 Gas train
2.8.2 Provision of pressure regulators
2.8.4 Control of bleed lines
2.8.5 Main burner automatic shut off valves
2.8.9 Pilot gas filters
2.8.14 Classification of safety shut off valves
2.8.101 Automatic shut off valve requirements
2.8.102 Protection of appliance gas valve train from vibration
2.9 Combustion air and flue systems
2.9.1 Design of air entry and combustion product discharge
2.9.2 Flue terminal openings
2.9.3 Flue terminal and draught diverter construction
2.9.4 Draught diverters
2.9.5 Design of flue connection
2.9.6 Automatic flue dampers
2.9.101 Flueway clearances
2.9.102 Combustion air inlet and exhaust terminal openings
2.9.103 Exhaust terminal construction
2.9.104 Flueing of indoor appliances
2.10 Fan assisted combustion systems
2.11 Burners and ignition systems
2.12 Components
2.13 Cylinders and cylinder compartments
2.13.4 Separation of cylinder compartment
2.13.6 Protection from spillover
2.14 Markings
2.14.2 Permanent markings on appliances
2.14.4 Marking of flash ignition tubes
2.14.5 Indication of function
2.14.10 Identification of injectors
2.14.12 Label on guard
2.14.101 Markings on guards
2.15 Instructions
2.15.2 Installation
2.15.3 Operation
2.15.4 Maintenance
Section 3 Preliminary tests — Line gases
3.1 General
3.2 Preparation for testing
3.2.101 Load for appliance testing
3.3 Gas leakage
3.3.101 Unburnt gas release from the engine system
3.4 Gas consumption
3.4.1 Tolerance on determined gas consumption
3.4.2 Determined gas consumption of permanent pilots
3.5 Gas pressure regulators
3.6 Ignition and safety shut off systems
3.6.1 General requirements
3.6.2 Additional requirements for atmospheric burners with automatic burner ignition systems not based on permanent pilots
3.6.3 Additional requirements for fan assisted combustion systems with automatic ignition not based on permanent pilots
3.7 Ignition of draped fabric
Section 4 Tests under limiting conditions
4.1 General
4.2 CO/CO2 ratio limits for any independent surface combustion burner — Underload
4.3 CO/CO2 ratio limits for any independent burner — Overload
4.4 CO/CO2 ratio limits for permanent pilots — Overload
4.5 Flame characteristics at maximum and minimum limiting conditions
4.6 Burner ignition at maximum and minimum limiting conditions
4.7 Delayed ignition at maximum and minimum limiting conditions
4.8 Reignition at turndown under draught conditions
4.9 Pilot ignition and stability ignition at maximum and minimum limiting conditions
4.10 Burner stability when changing setting
4.11 Unburnt gas release from burner system
4.12 Blocked flueway terminal
4.13 Case pressure test
4.14 Effect of opening and closing doors at turndown condition
4.15 Sooting — Luminous effect appliances
4.16 Burner interference at ignition or during combustion
4.101 Engine starting at maximum and minimum limiting conditions
Section 5 Performance specifications
5.1 Combustion air supply
5.1.1 Combustion air flow proving
5.1.2 Obstruction of air inlets with fan assisted combustion systems
5.2 Flue operation
5.2.1 Diversion of combustion products
5.2.2 Spillage of combustion products
5.2.3 Performance with updraught, downdraught and blocked flue
5.2.5 Flue gas temperatures
5.2.7 Safety shutdown — Combustion product limits
5.2.8 Automatic flue damper devices
5.3 Condensate
5.3.1 Control of flue gas condensate
5.4 Temperature hazards
5.4.2 Appliance operating conditions
5.4.6 Temperature limits — Appliance safety
5.4.7 Temperature limits — Protection from contact with the heat source
5.5 Heat resistance of appliance
5.5.1 Resistance to temperatures
5.5.2 Resistance to temperatures — Burner light back
5.5.3 Minimum temperature requirements of heat exchangers during warming-up period
5.6 Durability
5.6.101 Appliance deterioration
5.7 Electrical supply variation or failure
5.7.1 Response to electrical supply variation or failure
5.8 Appliance operation under linting conditions
5.9 Rain test for outdoor and room sealed appliances
5.10 Operation under windy conditions
5.11 Strength and stability
5.11.2 Strength of flue connection
5.11.7 Attachment of primary guard
5.11.8 Strength of primary guard incorporating glass or similar material(s)
5.11.101 Explosion resistance for flueway
5.11.102 Attachment of guards
5.11.103 Strength of guards incorporating glass
5.12 Thermal efficiency
5.13 Vitiation and emissions
5.13.101 Carbon monoxide emissions
5.101 Noise of operation
5.102 Spit back
5.103 Battery compartment
Appendix AA (normative) Location of flue terminals — Figure AA.1 and Table AA.1
Appendix ZA (normative) Preliminary test methods
Appendix ZB (normative) Limiting conditions test methods
Appendix ZC (normative) Performance test methods
Bibliography
Amendment control sheet
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References
Safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems (IEC 62061:2005 CSV (ED 1.2) MOD)
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AS/NZS 5263.1.11:2020 Gas appliances Small gas engine driven appliances
Preface
Section 1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
1.4 Test methods
Section 2 Design and construction
2.1 Scope
2.2 General design requirements
2.2.3 Fitting of flame safeguards
2.2.101 Supports for appliance pipework
2.2.102 Crankcase gas venting
2.2.103 Batteries
2.2.104 Mechanical ventilation failure
2.2.105 Failure of cooling system
2.3 Materials
2.3.5 Components required to be placed in a flame
2.3.101 Flueway insulation
2.4 Design for assembly and installation
2.4.101 Provision of hose assembly
2.5 Design for maintenance
2.5.2 Accessibility for replacement
2.5.7 Viewing of flames
2.6 Design for operation
2.6.2 Proving of burner or pilot ignition
2.6.3 Burner controls
2.6.4 Primary guards openings
2.6.5 Touchability of flames
2.6.6 Air filters
2.6.101 Guarding against temperature hazards
2.6.102 Protection against moving parts
2.6.103 Openings in and around guards
2.7 Control and safety devices
2.7.2 Pilot shut off
2.7.3 Main burner shut off provision
2.7.4 Programmable electronic systems
2.7.101 Engine shutdown detection
2.7.102 Activation of automatic shut off valves
2.7.103 Controls accessibility
2.7.104 Engine isolation and stopping device
2.7.105 Overspeed protection
2.8 Gas train
2.8.2 Provision of pressure regulators
2.8.4 Control of bleed lines
2.8.5 Main burner automatic shut off valves
2.8.9 Pilot gas filters
2.8.14 Classification of safety shut off valves
2.8.101 Automatic shut off valve requirements
2.8.102 Protection of appliance gas valve train from vibration
2.9 Combustion air and flue systems
2.9.1 Design of air entry and combustion product discharge
2.9.2 Flue terminal openings
2.9.3 Flue terminal and draught diverter construction
2.9.4 Draught diverters
2.9.5 Design of flue connection
2.9.6 Automatic flue dampers
2.9.101 Flueway clearances
2.9.102 Combustion air inlet and exhaust terminal openings
2.9.103 Exhaust terminal construction
2.9.104 Flueing of indoor appliances
2.10 Fan assisted combustion systems
2.11 Burners and ignition systems
2.12 Components
2.13 Cylinders and cylinder compartments
2.13.4 Separation of cylinder compartment
2.13.6 Protection from spillover
2.14 Markings
2.14.2 Permanent markings on appliances
2.14.4 Marking of flash ignition tubes
2.14.5 Indication of function
2.14.10 Identification of injectors
2.14.12 Label on guard
2.14.101 Markings on guards
2.15 Instructions
2.15.2 Installation
2.15.3 Operation
2.15.4 Maintenance
Section 3 Preliminary tests — Line gases
3.1 General
3.2 Preparation for testing
3.2.101 Load for appliance testing
3.3 Gas leakage
3.3.101 Unburnt gas release from the engine system
3.4 Gas consumption
3.4.1 Tolerance on determined gas consumption
3.4.2 Determined gas consumption of permanent pilots
3.5 Gas pressure regulators
3.6 Ignition and safety shut off systems
3.6.1 General requirements
3.6.2 Additional requirements for atmospheric burners with automatic burner ignition systems not based on permanent pilots
3.6.3 Additional requirements for fan assisted combustion systems with automatic ignition not based on permanent pilots
3.7 Ignition of draped fabric
Section 4 Tests under limiting conditions
4.1 General
4.2 CO/CO2 ratio limits for any independent surface combustion burner — Underload
4.3 CO/CO2 ratio limits for any independent burner — Overload
4.4 CO/CO2 ratio limits for permanent pilots — Overload
4.5 Flame characteristics at maximum and minimum limiting conditions
4.6 Burner ignition at maximum and minimum limiting conditions
4.7 Delayed ignition at maximum and minimum limiting conditions
4.8 Reignition at turndown under draught conditions
4.9 Pilot ignition and stability ignition at maximum and minimum limiting conditions
4.10 Burner stability when changing setting
4.11 Unburnt gas release from burner system
4.12 Blocked flueway terminal
4.13 Case pressure test
4.14 Effect of opening and closing doors at turndown condition
4.15 Sooting — Luminous effect appliances
4.16 Burner interference at ignition or during combustion
4.101 Engine starting at maximum and minimum limiting conditions
Section 5 Performance specifications
5.1 Combustion air supply
5.1.1 Combustion air flow proving
5.1.2 Obstruction of air inlets with fan assisted combustion systems
5.2 Flue operation
5.2.1 Diversion of combustion products
5.2.2 Spillage of combustion products
5.2.3 Performance with updraught, downdraught and blocked flue
5.2.5 Flue gas temperatures
5.2.7 Safety shutdown — Combustion product limits
5.2.8 Automatic flue damper devices
5.3 Condensate
5.3.1 Control of flue gas condensate
5.4 Temperature hazards
5.4.2 Appliance operating conditions
5.4.6 Temperature limits — Appliance safety
5.4.7 Temperature limits — Protection from contact with the heat source
5.5 Heat resistance of appliance
5.5.1 Resistance to temperatures
5.5.2 Resistance to temperatures — Burner light back
5.5.3 Minimum temperature requirements of heat exchangers during warming-up period
5.6 Durability
5.6.101 Appliance deterioration
5.7 Electrical supply variation or failure
5.7.1 Response to electrical supply variation or failure
5.8 Appliance operation under linting conditions
5.9 Rain test for outdoor and room sealed appliances
5.10 Operation under windy conditions
5.11 Strength and stability
5.11.2 Strength of flue connection
5.11.7 Attachment of primary guard
5.11.8 Strength of primary guard incorporating glass or similar material(s)
5.11.101 Explosion resistance for flueway
5.11.102 Attachment of guards
5.11.103 Strength of guards incorporating glass
5.12 Thermal efficiency
5.13 Vitiation and emissions
5.13.101 Carbon monoxide emissions
5.101 Noise of operation
5.102 Spit back
5.103 Battery compartment
Appendix AA (normative) Location of flue terminals — Figure AA.1 and Table AA.1
Appendix ZA (normative) Preliminary test methods
Appendix ZB (normative) Limiting conditions test methods
Appendix ZC (normative) Performance test methods
Bibliography
Amendment control sheet
AS/NZS 5263.1.11:2020
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.