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AS/NZS 5263.1.9:2019

[Current]

Gas appliances, Part 1.9: Gas laundry dryers

This Standard provides specific requirements and test methods for laundry dryers with energy input not exceeding 500 MJ/h and intended for fixed installation.
Published: 02/09/2019
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
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
2.2.101 Door catch design
2.2.101.1 Interlock
2.2.101.2 Separate controls for starting
2.2.102 Protection of components from water
2.2.103 Flash tubes
2.2.104 Damage to clothes, sharp edges
2.2.105 Means of exhaust discharge
2.2.106 Additional requirements for static laundry dryers
2.2.106.1 Prevention of damage to clothes
2.2.106.2 Openings in protective grid
2.2.106.3 Hanging rods
2.2.107 Additional requirements for rotary laundry dryers
2.2.107.1 Automatic ignition
2.2.107.2 Lint removal
2.2.107.3 Provision of lint trap
2.2.107.4 Means to clean lint trap
2.2.107.5 Door fit when closed
2.2.107.6 Adjustment of fan belt tension
2.3 Materials
2.4 Design for assembly and installation
2.5 Design for maintenance
2.6 Design for operation
2.6.1 Primary guard openings
2.7 Controls and safety devices
2.7.101 Cool down cycle
2.7.102 Provision of thermostat
2.7.103 Provision of over temperature cut out
2.8 Gas train
2.9 Combustion air and flue system
2.10 Fan assisted combustion systems
2.11 Burners and ignition systems
2.11.10 Tray type burners-turn down limits
2.12 Components
2.13 Cylinder and cylinder compartments
2.14 Markings
2.14.2 Permanent markings on appliances
2.14.12 Label on guard
2.15 Instructions
2.15.2 Installation
2.15.2.1 Instructions supplied with the appliance
2.15.3 Operation
2.15.3.1 General
2.15.4 Maintenance
3 Preliminary tests — Line gases
3.1 General requirements
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 settings
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
5 Performance specifications
5.1 Combustion air supply
5.2 Flue operation
5.2.101 Performance with backpressure applied to flue connection
5.2.102 Static laundry dryers — Clothes covering grid
5.2.103 CO/CO2 ratio — Lint screen blocked
5.3 Condensate
5.4 Temperature hazards
5.4.2 Appliance operating conditions
5.4.6 Temperature limits—Appliance safety
5.4.6.101 Hot air discharge
5.4.7 Temperature limits — Protection from contact with the heat source
5.5 Heat resistance of appliance
5.5.1 Resistance to temperatures
5.5.1.2 Test conditions
5.5.3 Minimum temperature requirements of heat exchangers during warming-up period
5.5.4 Maximum temperature requirements for heat exchanger materials
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
5.11.101 Appliance stability — Open door
5.11.102 Strength of side hinged loading door
5.11.103 Strength of drop down loading door
5.11.104 Static laundry dryers strength of protective grid
5.11.105 Opening force
5.12 Thermal efficiency
5.12.101 Dryers provided with a timing device
5.12.102 Rotary laundry dryers gas consumption per kilogram of water evaporated
5.12.103 Static laundry dryers
5.12.103 1 Gas consumption per kg of water evaporated
5.12.103.2 Time required to evaporate water
5.13 Vitiation and emissions
5.101 Additional requirements for rotary laundry dryers
5.101.1 Failure of the blower, drum rotation, or both
5.101.2 Temperature limit controls
5.101.3 Over-temperature cut-out devices
5.101.4 Clothes load temperature
5.101.5 Cool down period
5.101.6 Cool down temperature
5.102 Additional requirements for static laundry dryers
5.102.1 Fire hazard
5.102.2 Scorching
Appendix A
Appendix ZA
ZA.2 Gas consumption test
ZA.2.4 Materials
ZA.2.5 Preparation of apparatus
Appendix ZB
ZB.1 Determination of CO/CO2 ratio for any independent burner — Underload test
ZB.1.4 Materials
ZB.1.5 Preparation of apparatus
ZB.1.6 Procedure
ZB.2 Determination of CO/CO2 ratio for any independent burner — Overload test
ZB.2.4 Materials
ZB.2.5 Preparation of apparatus
ZB.2.6 Procedure
ZB.13 Effect of opening and closing doors at turndown condition test
ZB.13.1 Scope
ZB.13.2 Principle
ZB.13.3 Procedure
Appendix ZC
ZC.8 Temperature hazards test
ZC.8.6 Procedure
ZC.9 Resistance to temperatures — Overload gas consumption test
ZC.9.4 Materials
ZC.9.6 Procedure
ZC.9.6.1 Static laundry dryers
ZC.9.6.2 Rotary laundry dryers
ZC.101 Ignition and flame abnormality 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 Rotary laundry dryers — Drying performance 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
ZC.102.7 Test report
ZC.103 Static laundry dryers — Drying performance 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 Test report
ZC.104 Rotary laundry dryers damage to clothing 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 Rotary laundry dryers — Operating control temperature limit 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 Rotary laundry dryers — Over-temperature cut-out devices 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 Rotary laundry dryers — CO/CO2 ratio under conditions of lint screen blockage
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.107.7 Test report
ZC.108 Static laundry dryers — Blockage of grid by fallen clothing test
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
ZC.109 Static laundry dryers — Scorching when clothing falls from racks test
ZC.109.1 Scope
ZC.109.2 Principle
ZC.109.3 Apparatus
ZC.109.4 Materials
ZC.109.5 Preparation of apparatus
ZC.109.6 Procedure
ZC.109.7 Test report
ZC.110 Doors — Strength and stability test
ZC.110.1 Scope
ZC.110.2 Principle
ZC.110.3 Apparatus
ZC.110.4 Preparation of apparatus
ZC.110.5 Procedure
ZC.110.6 Test report
ZC.111 Drop down door strength test
ZC.111.1 Scope
ZC.111.2 Principle
ZC.111.3 Apparatus
ZC.111.4 Preparation of apparatus
ZC.111.5 Procedure
ZC.111.6 Test report
ZC.112 Grid strength — Static laundry dryer test
ZC.112.1 Scope
ZC.112.2 Principle
ZC.112.3 Apparatus
ZC.112.4 Preparation of apparatus
ZC.112.5 Procedure
ZC.112.6 Test report
Bibliography
Cited references in this standard
[Current]
Gas appliances, Part 0: General requirements
Content history
[Current]
DR AS/NZS 5263.1.9:2018