Standard
UPDATE AVAILABLE

AS 4565-2004

[Superseded]

Radiant gas heaters for outdoor and non-residential indoor use

Specifies the uniform minimum requirements for manufacturers, designers, regulatory authorities, testing laboratories and similar organizations for the safety, performance and use of radiant gas heaters with a gas consumption not exceeding 70 MJ/h for outdoor and non-residential indoor use intended for use with natural gas, town gas, tempered liquefied petroleum gas and low pressure (2.75 kPa) liquefied petroleum gas.
Published: 10/08/2004
Pages: 121
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and definitions
1.1 Scope
1.2 Definitions
2 Design and construction
2.1 General
2.1.1 Individual component or specification study
2.1.2 Physical inspection
2.1.3 Certification of safety components
2.1.4 Programmable electronic systems
2.1.5 Manual shut off valves
2.1.6 Classification of safety shut off valves
2.1.7 Power failure
2.1.8 Sharp edges
2.1.9 Continuation of satisfactory operation
2.1.10 Protection of vitreous enamel
2.1.11 Compliance in alternative forms
2.1.12 Locking means for adjusting devices
2.1.13 Alteration of programmed ignition
2.1.14 Means for gas pressure measurement
2.1.15 Protection of bearings
2.1.16 Construction of primary aeration controls
2.1.17 Certification of gas hose assembly
2.1.18 Certification of quick connect devices
2.1.19 Protection of gas hose assembly
2.1.20 Details of bearings
2.1.21 Guarding of burners and heat emitters
2.1.22 Guards – Design requirements
2.2 Materials and Standards
2.2.1 Weatherproofing
2.2.2 Suitability of materials and finishes
2.2.3 Materials containing asbestos
2.2.4 Materials in contact with gas
2.2.5 Materials used in appliances
2.2.6 Zinc based alloys
2.2.7 Components required to be placed in a flame
2.2.8 Materials used in electrical construction
2.2.9 Protection of aluminium tubing
2.2.10 Thermal insulation
2.2.11 Compression fittings
2.3 Electrical requirements
2.3.1 Requirements for electrical components and their installation
2.3.2 Appliances intended for connection to mains electrical supply
2.3.3 Accessibility to electrical components
2.3.4 Connection of electrical components
2.3.5 Plug and socket connections
2.3.6 Protection against accidental contact
2.3.7 Protection of low voltage electrical components and wiring
2.3.8 Protection of wiring and controls against weather conditions
2.4 Installation requirements
2.4.1 Restraint for portable appliances with hoses, for connection to fixed gas supply
2.4.2 Fixing of gas inlet connection
2.4.3 Gas connection thread
2.4.4 Access to gas connection
2.4.5 Locking position of variable position burners
2.4.6 Heat damage to cylinders, fittings, electrical equipment or hoses
2.4.7 ‘Text deleted’
2.5 Maintenance requirements
2.5.1 Special tools
2.5.2 Dismantling and replacement by user
2.5.3 Insertion and removal of gas injectors
2.5.4 Assembly and attachment of handles, dials and pointers
2.5.5 Accessibility for adjustment
2.5.6 Accessibility for replacement
2.5.7 Screwed connections
2.5.8 Inaccessible nuts or bolts
2.6 Pressure regulators
2.6.1 Provision of pressure regulators
2.6.2 Positioning of regulators
2.7 Gas controls and flame safeguards
2.7.1 Accessibility by the user
2.7.2 Accidental changes of settings
2.7.3 Self-latching gas valves
2.7.4 Indication of function
2.7.5 Fitting of flame safeguards
2.7.6 Reignition of thermostatically controlled burners
2.7.7 Main burner automatic shut off valves
2.8 Appliances incorporating integral LPG supply systems
2.8.1 Restriction on provision of integral gas cylinder
2.8.2 Cylinder mounting
2.8.3 Cylinder retention
2.8.4 Cylinder retention—Interference with cylinder valve
2.8.5 Connectors for an appliance with integral LPG supply system
2.9 Enclosures for integral LPG supply systems
2.9.1 Ventilation of cylinder enclosure
2.9.1.1 Enclosures for cylinder exceeding 1.25 kg gas capacity
2.9.1.2 Enclosures for cylinder not exceeding 1.25 kg gas capacity.
2.9.2 Accessibility of cylinder valve
2.9.3 Clearance from base of appliance
2.9.4 Connection and disconnection of cylinder
2.10 Combustion air supply and controls
2.10.1 Combustion air supply equipment
2.10.2 Combustion air proving
2.10.3 Prevention of combustion air backflow
2.11 Ignition, pilots and main burners
2.11.1 Pilot burner shut off
2.11.2 Burner with remote manual ignition
2.11.3 Prevention of injury at ignition
2.11.4 Manually operated burners enclosed in a compartment
2.11.5 Viewing of burner flames
2.11.6 Proving ignition
2.11.7 Support of pilot burners, igniters and flame sensing devices
2.11.8 Positive location of flash lighting tubes
2.11.9 Location of burner mixing tubes
2.11.10 Burner supports
2.11.11 Protection of ports and injectors
2.11.12 Restriction on gauze over primary air ports
2.11.13 Pilot gas filter
2.11.14 Aeration adjustment for universal LPG appliances
2.12 Markings
2.12.1 Gas type and method of installation and/or use
2.12.2 Markings on packaging—Installation
2.12.3 Markings on packaging—Ventilation, prohibited locations, weight and gas type
2.12.4 Gas type label
2.12.5 Gas type indication
2.12.6 Identification of injectors
2.12.7 Marking of fans
2.12.8 Other permanent markings on appliances
2.12.9 Location of warning labels
2.12.10 Marking of doors and covers
2.12.11 Marking of parts that may affect combustion
2.12.12 Label on guard
2.12.13 Marking of clearances
2.12.14 Warning label used for compliance with Clause 5.6.3.2
2.13 Instructions
2.13.1 Documents remaining with user
2.13.2 Installer/user
2.13.2.1 Instructions attached to the appliance
2.13.3 Assembly
2.13.3.1 Appliances in kit form
2.13.4 Operating
2.13.4.1 Operating instructions supplied with appliance
2.13.4.2 Abnormal operation, maintenance schedule, service and replacement parts
2.13.4.3 Warning statement
2.13.4.4 Text of the guard warning label
2.13.4.5 Hazardous condition resulting from incorrect lighting and shutdown procedures
2.13.4.6 Authorized person statement
2.13.4.7 Appliances intended for outdoor use—Warning against use indoors
2.13.4.8 Warning related to damage by radiant heat
2.13.4.9 Warning to inspect the hose assembly before each use
2.13.4.10 Replacement of damaged hose assembly
2.13.4.11 Location of gas hose
2.13.4.12 Pictorial representations of lighting, shutdown and control operation
2.13.4.13 Warnings to be shown in a prominent manner
2.13.4.14 Appliance designed for use with an integral LPG supply system
2.13.4.15 Indoor storage of cylinders—Appliances fitted with an integral cylinder
2.14 Servicing
2.14.1 Servicing instructions and maintenance schedule
3 Preliminary tests for line gases
3.1 General requirements
3.1.1 Nominal gas consumption
3.1.2 Test gases
3.2 Preparation for testing
3.2.1 Electrical safety requirements
3.2.2 Setting up appliance for testing
3.2.3 Appliance regulator not to be removed during testing
3.2.4 Protection from accidental draughts
3.2.5 Prevention of gas rate variation
3.2.6 Gas pressure and gas volume test equipment
3.3 Gas leakage
3.3.1 Gas tightness
3.3.2 Gas tightness after testing
3.3.3 Control of bleed lines
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
3.5.1 Pressure regulator performance
3.6 Ignition and flame safeguard systems
3.6.1 Requirements applicable to all ignition and flame safeguard systems
3.6.1.1 Aerated pilots
3.6.1.2 Ignition at reduced pilot rate
3.6.1.3 Multi-port pilots
3.6.1.4 Holding time for thermoelectric flame safeguard
3.6.1.5 Flame safeguard required
3.6.1.6 Flame travel at ignition
3.6.1.7 Cessation of ignition spark
3.6.1.8 Commencement of ignition after purge period
3.6.1.9 Proving of start flame
3.6.1.10 Flame safeguard systems—Self-check
3.6.1.11 Flame failure
3.6.1.12 Flame establishment period—Intermittent pilot
3.6.1.13 Flame safeguard system—Shut off time
3.6.2 Additional requirements for automatic burner ignition systems
3.6.2.1 Atmospheric burners
3.6.2.1.1 Start flame establishment period
3.6.2.1.2 Gas flow rate at ignition
3.6.2.1.3 Start flame proving period—Gas flow rate exceeds Clause 3.6.2.1.2
3.6.2.1.4 Number of reignition attempts
3.6.2.2 Forced or induced draught burners
3.6.2.2.1 Start flame establishment period—Energy release
3.6.2.2.2 Start flame proving period—Gas flow exceeds Clause 3.6.2.2.1
3.6.2.2.3 Number of reignition attempts
3.6.2.2.4 Prepurge before ignition
3.6.2.2.5 Proving of main flame—Interrupted pilot
3.6.2.2.6 Flame safeguard relays—Intermittent pilot
4 Tests using limit conditions
4.1 General
4.2 CO/CO2 ratio limits of any independent burner—Overload
4.3 CO/CO2 ratio limits of any independent surface combustion burner—Underload
4.4 CO/CO2 ratio limits for permanent pilots - Overload
4.5 Burner ignition at maximum and minimum limiting conditions
4.6 Noise of extinction
4.7 Delayed ignition at maximum and minimum limiting conditions
4.8 Burner stability when changing setting
4.9 Burner interference at ignition or during combustion
4.10 Flame characteristics maximum and minimum limiting conditions
4.11 Unburnt gas release from burner system
5 Performance tests
5.1 General
5.2 Combustion product impingement on wall
5.2.1 Design of appliance to divert combustion products away from wall
5.3 Noise of operation
5.3.1 Acceptable noise level
5.4 Combustion air supply and controls
5.4.1 Proving means for mechanical air supply
5.4.2 Automatically operated air control failure
5.4.3 Obstruction of air inlets – Appliances with fan assisted combustion systems
5.4.4 Proof of combustion air supply
5.4.5 Manual reset after electrical failure
5.5 Shutdown
5.5.1 Safety
5.5.2 Safety shutdown
5.5.3 Fault shutdown
5.5.4 Failure of electrical supply
5.5.5 Safe performance with electrical supply variation
5.6 Temperature hazards
5.6.1 Test conditions
5.6.2 Surrounding surfaces—Temperature limits
5.6.2.1 Floor, wall, overhead and bench surfaces
5.6.3 Personal safety—Temperature limits
5.6.3.1 Surfaces intended to be handled
5.6.3.2 External surfaces in contact with combustion products
5.6.3.3 Surfaces accidentally touched
5.6.4 Appliance safety—Temperature limits
5.6.4.1 Bodies of gas valves, thermostats, etc
5.6.4.2 Components containing non-metallic diaphragms
5.6.4.3 Body of clock or timer
5.6.4.4 Main gas and pilot lines susceptible to sulphide attack
5.6.4.5 Electric motor windings
5.6.4.6 Flexible hoses
5.6.4.7 Joints sealed with jointing materials
5.6.4.8 Electrical wiring
5.6.4.9 Glass components
5.7 Heat resistance
5.7.1 Heat resistance—Overload condition
5.7.2 Sooting
5.7.3 Heat resistance—Lit back condition
5.8 Strength and stability
5.8.1 Adequacy of means of support
5.8.2 Means to lock appliance
5.8.3 Resistance to tipping over
5.8.4 Tip over switch
5.8.5 Bearing pressure
5.9 Rain resistance
5.9.1 Operation after and during simulated rain storm
5.10 Wind test
5.10.1 Main burner operation—Wind conditions
5.10.2 Pilot burner operation—Wind conditions
6 Additional requirements for non-residential indoor appliances
6.1 General
6.2 Combustion
6.2.1 CO/CO2 Ratio limits of all main burners—Appliances intended for indoor use—Overload
6.2.2 CO/CO2 Ratio limits of surface combustion burners—Appliances intended for indoor use—Underload
6.3 Instructions
6.3.1 Use of an appliance with an integral cylinder indoors
7 Additional requirements for table top appliances
7.1 General
7.1.1 Protection of gas hose assembly
7.1.2 Maximum gas consumption
7.1.3 Maximum reflector diameter
7.1.4 Means of restraint
7.1.5 Table top appliances to be secured
7.1.6 Enclosure for cylinder
7.1.7 Non-refillable cartridges and canisters
7.1.8 Positive shut off valve
7.1.9 Additional requirements for table top appliances designed for non-residential indoor use
7.1.9.1 Automatic shut off in a vitiated atmosphere
7.1.9.2 CO concentration in a vitiated atmosphere
7.1.9.3 Operation at reduced inlet pressure
7.1.9.4 Safety system to be non-adjustable
Appendix A
Appendix B
B1 M.O.T. 2.1.22 (d) – 2001 guards - Fabric drape test
B1.1 Scope
B1.2 Method
B1.3 Apparatus
B1.4 Materials
B1.5 Preparation of apparatus
B1.6 Procedure
B1.7 Result
B2 M.O.T. 2.1.22 (e) – 2001 guards – Determination of integrity
B2.1 Scope
B2.2 Method
B2.3 Apparatus
B2.4 Preparation of apparatus
B2.5 Procedure
B2.6 Result
B3 M.O.T. 2.2.6 (c) – 2001 zinc alloy test
B3.1 Scope
B3.2 Method
B3.3 Apparatus
B3.4 Procedure
B3.5 Result
B4 M.O.T. 2.4.1.2 Part 1 deleted.
B5 M.O.T. 2.4.1.2 Part 2 deleted.
B6 M.O.T. 2.4.1.2 Part 3 deleted.
B7 M.O.T. 2.12.8 – 2001 markings and labels
B7.1 Scope
B7.2 Method
B7.3 Apparatus
B7.4 Materials
B7.5 Procedure
B7.6 Result
B8 M.O.T. 3.3.1 – 2001 gas leakage
B8.1 Scope
B8.2 Method
B8.3 Apparatus
B8.4 Materials
B8.5 Preparation of apparatus
B8.6 Procedure
B8.7 Result
B9 M.O.T. 3.4.1/2 – 2001 gas consumption
B9.1 Scope
B9.2 Method
B9.3 Apparatus
B9.4 Materials
B9.5 Preparation of apparatus
B9.6 Procedure
B9.7 Result
B10 M.O.T. 3.5.1 – 2001 gas pressure regulator performance
B10.1 Scope
B10.2 Method
B10.3 Apparatus
B10.4 Materials
B10.5 Preparation of apparatus
B10.6 Procedure
B10.7 Result
B11 M.O.T. 3.6.1/3 – 2001 ignition—Aerated pilots
B11.1 Scope
B11.2 Method
B11.3 Apparatus
B11.4 Materials
B11.5 Preparation of apparatus
B11.6 Procedure
B11.7 Results
B12 M.O.T. 3.6.2/3 – 2001 ignition of a burner actuated by a pilot
B12.1 Scope
B12.2 Method
B12.3 Apparatus
B12.4 Materials
B12.5 Preparation of apparatus
B12.6 Procedure
B12.7 Result
B13 M.O.T. 3.6.4 – 2001 ignition—Opening of flame safeguard system
B13.1 Scope
B13.2 Method
B13.3 Apparatus
B13.4 Materials
B13.5 Preparation of apparatus
B13.6 Procedure
B13.7 Result
B14 M.O.T. 3.6.13 – 2001 operation of safety shut off system
B14.1 Scope
B14.2 Method
B14.3 Materials
B14.4 Apparatus
B14.5 Preparation of apparatus
B14.6 Procedure
B14.7 Result
B15 M.O.T. 3.6.15 (b)/3.6.18 – 2001 start flame establishment period delayed ignition tests
B15.1 Scope
B15.2 Method
B15.3 Apparatus
B15.4 Materials
B15.5 Preparation of apparatus
B15.6 Procedure
B15.7 Result
B16 M.O.T. 4.2/6.2.1 – 2003 determination of CO/CO2 ratio of combustion products - Overload
B16.1 Scope
B16.2 Method
B16.3 Apparatus
B16.4 Materials
B16.5 Preparation of apparatus
B16.6 Procedure
B16.7 Result
B17 M.O.T. 4.3/6.2.2 – 2001 determination of CO/CO2 ratio of combustion products—Surface combustion burners—Underload
B17.1 Scope
B17.2 Method
B17.3 Apparatus
B17.4 Materials
B17.5 Preparation of apparatus
B17.6 Procedure
B17.7 Result
B18 M.O.T. 4.4 – 2001 determination of CO/CO2 ratio of combustion products—Permanent pilots
B18.1 Scope
B18.2 Method
B18.3 Apparatus
B18.4 Materials
B18.5 Preparation of apparatus
B18.6 Procedure
B18.7 Result
B19 M.O.T. 4.5 – 2001 ignition tests
B19.1 Scope
B19.2 Method
B19.3 Apparatus
B19.4 Materials
B19.5 Preparation of apparatus
B19.6 Procedure
B19.7 Result
B20 M.O.T. 4.7 – 2001 delayed ignition test
B20.1 Scope
B20.2 Method
B20.3 Apparatus
B20.4 Materials
B20.5 Preparation of apparatus
B20.6 Procedure
B20.7 Result
B21 M.O.T. 4.10 – 2001 flame abnormality
B21.1 Scope
B21.2 Method
B21.3 Apparatus
B21.4 Materials
B21.5 Preparation of apparatus
B21.6 Procedure
B21.7 Result
B22 M.O.T. 4.11 – 2001 burner operation - Unburnt gas release from burner system
B22.1 Scope
B22.2 Method
B22.3 Apparatus
B22.4 Materials
B22.5 Preparation of apparatus
B22.6 Procedure
B22.7 Result
B23 M.O.T. 5.2.1 – 2001 combustion product impingement on wall
B23.1 Scope
B23.2 Method
B23.3 Apparatus
B23.4 Materials
B23.5 Preparation of apparatus
B23.6 Procedure
B23.7 Result
B24 M.O.T. 5.4.1/2/3 – 2001 flame abnormality on progressive air supply restriction
B24.1 Scope
B24.2 Method
B24.3 Apparatus
B24.4 Materials
B24.5 Preparation of apparatus
B24.6 Procedure
B24.7 Result
B25 M.O.T. 5.5.4/5 and 2.3.2 – 2001 safe performance with electricity supply variation
B25.1 Scope
B25.2 Method
B25.3 Apparatus
B25.4 Materials
B25.5 Preparation of apparatus
B25.6 Procedure
B25.7 Result
B26 M.O.T. 5.6 – 2001 temperature hazards
B26.1 Scope
B26.2 Method
B26.3 Apparatus
B26.4 Materials
B26.5 Preparation of apparatus
B26.6 Procedure
B26.7 Result
B27 M.O.T. 5.6.4.5 – 2001 temperature hazards - Electric motors
B27.1 Scope
B27.2 Method
B27.3 Apparatus
B27.4 Materials
B27.5 Preparation of apparatus
B27.6 Procedure
B27.7 Calculations
B27.8 Result
B28 M.O.T. 5.7.1/2 – 2001 heat resistance
B28.1 Scope
B28.2 Method
B28.3 Apparatus
B28.4 Materials
B28.5 Preparation of apparatus
B28.6 Procedure
B28.7 Result
B29 M.O.T. 5.7.3 – 2001 heat resistance—Lit back condition
B29.1 Scope
B29.2 Method
B29.3 Apparatus
B29.4 Materials
B29.5 Preparation of apparatus
B29.6 Result
B30 M.O.T. 5.8.3 – 2001 stability test
B30.1 Scope
B30.2 Method
B30.3 Apparatus
B30.4 Procedure
B30.5 Result
B31 M.O.T. 5.8.5 – 2001 floor loading test
B31.1 Scope
B31.2 Method
B31.3 Apparatus
B31.4 Procedure
B31.5 Result
B32 M.O.T. 5.9 – 2001 rain resistance
B32.1 Scope
B32.2 Method
B32.3 Apparatus
B32.4 Materials
B32.5 Preparation of apparatus
B32.6 Procedure
B32.7 Result
B33 M.O.T. 5.10.1 – 2001 wind test
B33.1 Scope
B33.2 Method
B33.3 Apparatus
B33.4 Materials
B33.5 Preparation of apparatus
B33.6 Procedure
B33.7 Result
B34 M.O.T. 5.10.2 – 2001 pilot flames – Ignition and stability
B34.1 Scope
B34.2 Method
B34.3 Apparatus
B34.4 Materials
B34.5 Preparation of apparatus
B34.6 Procedure
B34.7 Result
B35 M.O.T. 7.1.9.1 – 03 safety system test
B35.1 Scope
B35.2 Method
B35.3 Materials
B35.4 Apparatus
B35.5 Preparation of apparatus
B35.6 Procedure
B35.7 Result
B36 M.O.T. 7.1.9.2 – 03 concentration of CO in a vitated atmosphere
B36.1 Scope
B36.2 Method
B36.3 Materials
B36.4 Apparatus
B36.5 Preparation of apparatus
B36.6 Procedure
B36.7 Result
B37 M.O.T. 7.1.9.3 – 03 combustion test at reduced appliance inlet pressure
B37.1 Scope
B37.2 Method
B37.3 Apparatus
B37.4 Materials
B37.5 Preparation of apparatus
B37.6 Procedure
B37.7 Result
Appendix C
C1.1 Servicing instructions
C1.1.1 Reference to and a description of the following:
C1.1.2 Fault finding chart
C1.1.3 Maintenance schedule
Appendix D
Appendix E
Appendix F
Amendment control sheet
Cited references in this standard
Content history
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