Track updates

AS/NZS 5263.1.3:2021


Gas appliances, Part 1.3: Gas space heating appliances

Specifies requirements and test methods that apply in conjunction with AS/NZS 5263.0 for gas space heating appliances with natural draught or fan assisted combustion systems using natural gas, town gas, LP Gas and TLP, with an energy input not exceeding 150 MJ/h.
Published: 05/02/2021
Inclusive of GST
Available formats
Available formats
Web Reader
Instantly view standards in your browser. Search, bookmark, highlight, and comment for anytime access - online and offline.
Web Reader (PDF)
View standards in PDF format in your browser. Search, bookmark, highlight, and comment for anytime access - online and offline.
Web Reader
1 user
Add to cart
visa logo
mastercard logo
amex logo
Table of contents
Cited references
Content history
Table of contents
About this publication
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
2 Design and construction
2.1 Scope
2.2 General design requirements
2.2.13 Design of appliance base
2.2.101 Fuel storage container
2.2.102 Surface finish of primary guard
2.3 Materials
2.4 Design for assembly and installation
2.5 Design for maintenance
2.6 Design for operation
2.7 Controls and safety devices
2.7.101 Flueless appliances — Additional shut off provision
2.7.102 Safety controls for exposed burners
2.8 Gas train
2.9 Combustion air and flue systems
2.9.5 Design of flue connection
2.9.101 Circulating air system
2.9.102 Flue cowls
2.10 Fan assisted combustion systems
2.11 Burners and ignition systems
2.12 Components
2.13 Cylinders and cylinder compartments
2.14 Markings
2.14.2 Permanent markings on appliances
2.14.14 Markings on packaging
2.14.101 Marking of radiants
2.14.102 Energy label (Australia only)
2.14.103 Emission label (Australia only)
2.15 Instructions
2.15.2 Installation Instructions supplied with the appliance Warning statement
2.15.3 Operation General
2.15.101 Console appliances
3 Preliminary tests — Line gases
3.1 General
3.2 Preparation for testing
3.3 Gas leakage
3.4 Gas consumption
3.5 Gas pressure regulators
3.6 Ignition and safety shut off systems
3.7 Ignition of draped fabric
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 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 Light back in flueless appliances with concealed burner(s)
5 Performance specifications
5.1 Combustion air supply
5.2 Flue operation
5.2.101 Safety shutdown under negative room pressure
5.3 Condensate
5.4 Temperature hazards
5.4.2 Appliance operating conditions
5.5 Heat resistance of appliance
5.5.1 Resistance to temperatures Test conditions
5.6 Durability
5.7 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
5.10.4 Open flued appliances
5.11 Strength and stability
5.11.1 Bearing pressure
5.12 Thermal efficiency (Australia only)
5.12.101 Thermal efficiency based on gross heating value
5.12.102 Flued forced convection and flued forced radiant convection heaters
5.12.103 Reduction in thermal efficiency with maximum flue length
5.12.104 Rear registers
5.12.105 Thermal efficiency in wind conditions
5.13 Vitiation and emissions
5.13.5 Nitrogen dioxide emission rate (Australia only)
5.101 Room temperature controls
5.101.1 Appliance temperature controls
5.101.2 Location of temperature controls
5.102 Energy labelling (Australia only)
5.103 Emission labelling (Australia only)
Appendix D
Appendix AA
Appendix BB
Appendix CC
CC.1 Scope
CC.2 General background
CC.3 New test method rationale
CC.4 Notation
CC.5 Derivations
CC.5.1 Heat output rate — H
CC.5.2 Calculated room size — CRS
CC.5.2.1 Flueless heaters
CC.5.2.2 Flued and room sealed heaters
CC.5.3 Ventilation load rate — VLR and daily ventilation load — DVL
CC.5.3.1 General
CC.5.3.2 Flueless heaters
CC.5.3.3 Flued heaters
CC.5.3.4 Room sealed heaters
CC.6 On time
CC.6.1 General
CC.6.2 Flueless heaters
CC.6.3 Flued heaters
CC.6.4 Room sealed heaters
CC.7 Daily energy input — DEI
CC.8 Daily ambient heat load — DAHL
CC.9 Task efficiency — ηTASK
CC.10 Star allocation — AS
CC.11 Red band angle — RBA
CC.12 Annual energy consumption — AEC
CC.13 Maximum heat output rate — Q
Appendix DD
DD.1 General
DD.2 Notation
DD.3 Data sources
DD.3.1 Heating values of fuel gases
DD.3.2 Carbon ratio
DD.3.3 Mean specific heat of dry flue gases
DD.4 Thermal efficiency calculation
DD.4.1 Method of this Standard
DD.4.2 Method of EN 613
DD.5 Comparison of methods
Appendix ZA
Appendix ZB
ZB.1 Determination of CO/CO2 ratio for independent surface combustion burners — Underload test
ZB.1.5 Preparation of apparatus
ZB.2 Determination of CO/CO2 ratio for any independent burner — Overload test
ZB.2.5 Preparation of apparatus
ZB.101 Light back in flueless appliances with concealed burner(s)
ZB.101.1 Scope
ZB.101.2 Principle
ZB.101.3 Apparatus
ZB.101.4 Materials
ZB.101.5 Preparation of apparatus
ZB.101.6 Procedure
ZB.101.7 Test report
Appendix ZC
ZC.3 Spillage of combustion products test
ZC.3.3 Apparatus
ZC.3.5 Preparation of apparatus
ZC.4 Performance with downdraught, updraft and blocked flue test
ZC.4.5 Preparation of apparatus
ZC.4.6 Procedures
ZC.4.6.1 Open flued appliances with a draught diverter or alternative system
ZC.4.6.2 Open flued appliance without a draught diverter or similar device
ZC.9 Resistance to temperatures — Overload gas consumption test
ZC.9.7 Test report
ZC.101 Radiant efficiency — Radiant heaters test
ZC.101.1 Scope
ZC.101.2 Principle
ZC.101.3 Apparatus
ZC.101.4 Materials
ZC.101.5 Preparation of apparatus
ZC.101.6 Procedure
ZC.101.7 Test report
ZC.102 Thermal efficiency — Convection, radiant convection and room sealed heaters test
ZC.102.1 Scope
ZC.102.2 Principle
ZC.102.3 Apparatus
ZC.102.4 Materials
ZC.102.5 Preparation of apparatus
ZC.102.6 Procedure (for open flued appliances)
ZC.102.7 Procedure (for room sealed appliances)
ZC.102.8 Calculations
ZC.102.9 Test report
ZC.103 Thermal efficiency in wind condition test
ZC.103.1 Scope
ZC.103.2 Principle
ZC.103.3 Apparatus
ZC.103.4 Materials
ZC.103.5 Preparation of apparatus
ZC.103.6 Procedure
ZC.103.7 Result
ZC.104 Rear register — Heat output test
ZC.104.1 Scope
ZC.104.2 Principle
ZC.104.3 Apparatus
ZC.104.4 Materials
ZC.104.5 Preparation of apparatus
ZC.104.6 Procedure
ZC.104.7 Test report
ZC.105 Temperature control characteristics — Snap acting thermostats test
ZC.105.1 Scope
ZC.105.2 Principle
ZC.105.3 Apparatus
ZC.105.4 Materials
ZC.105.5 Preparation of apparatus
ZC.105.6 Procedure
ZC.105.7 Test report
ZC.106 Temperature control operation test
ZC.106.1 Scope
ZC.106.2 Principle
ZC.106.3 Apparatus
ZC.106.4 Materials
ZC.106.5 Preparation of apparatus
ZC.106.6 Procedure
ZC.106.7 Test report
ZC.107 Energy labelling test
ZC.107.1 Scope
ZC.107.2 Principle
ZC.107.3 Apparatus
ZC.107.4 Materials
ZC.107.5 Preparation of apparatus
ZC.107.6 Procedure
ZC.107.6.1 General
ZC.107.6.2 Measurements
ZC.107.7 Calculations
ZC.107.7.1 Heat output rate — H
ZC.107.7.2 Calculated room size — CRS
ZC. Flueless heaters
ZC. Flued and room sealed heaters
ZC.107.7.3 Ventilation load rate — VLR and daily ventilation load — DVL
ZC. Flueless heaters
ZC. Flued heaters
ZC. Room sealed heaters
ZC.107.7.4 On time
ZC. General
ZC. Flueless heaters
ZC. Flued heaters
ZC. Room sealed heaters
ZC.107.8 Daily energy input — DEI
ZC.107.9 Daily ambient heat load — DAHL
ZC.107.10 Task efficiency — ηTASK
ZC.107.11 Star allocation — AS
ZC.107.12 Red band angle — RBA
ZC.107.13 Annual energy consumption (AEC)
ZC.107.14 Maximum heat output rate — Q
ZC.107.15 Test report
ZC.108 Shut down under negative room pressure
ZC.108.1 Scope
ZC.108.2 Principle
ZC.108.3 Apparatus
ZC.108.4 Materials
ZC.108.5 Preparation of apparatus
ZC.108.6 Procedure
ZC.108.7 Test report
Amendment control sheet
Cited references in this standard
Content history
DR AS/NZS 5263.1.3:2020