AS/NZS 5263.1.6:2020 Gas appliances Indirect gas-fired ducted air heaters
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
2.2.8 Protection of electric lamps
2.2.14 Provision for moving appliances
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 Thermostatic control
2.8 Gas train
2.9 Combustion air and flue systems
2.9.101 Fluing
2.9.102 Circulating air system
2.10 Fan assisted combustion systems
2.11 Burners and ignition systems
2.11.10 Tray type burners-turndown limits
2.11.101 Programmed ignition
2.12 Components
2.13 Cylinders and cylinder compartments
2.14 Markings
2.14.14 Markings on packaging
2.14.101 Design conditions
2.14.102 Energy label (Australia only)
2.15 Instructions
2.15.2 Installation
Section 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
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 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
Section 5 Performance specifications
5.1 Combustion air supply
5.2 Flue operation
5.3 Condensate
5.4 Temperature hazards
5.4.2 Appliance operating conditions
5.4.6 Temperature limits — Appliance safety
5.5 Heat resistance of appliance
5.5.1 Resistance to temperatures
5.6 Durability
5.6.3 Effect of spillover on ignition systems
5.6.101 Durability of heat exchangers
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
5.11 Strength and stability
5.12 Thermal efficiency (Australia only)
5.12.101 General
5.12.102 Reduction in thermal efficiency with maximum flue length
5.12.103 Thermal efficiency in wind conditions
5.12.104 Efficiency to be consistent over operating range
5.13 Vitiation and emissions
5.101 Obstruction of filters
5.102 Room air fan performance
Appendix AA (normative) Figures AA.101 to AA.110
Appendix BB (informative) Calculation of thermal efficiency
Appendix ZA (normative) Preliminary test methods
Appendix ZB (normative) Limiting conditions test methods
Appendix ZC (normative) Performance test methods
Bibliography
