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AS 1056.1-1991

AvailableSuperseded
AvailableSuperseded

An Available Superseded Standard is one, which has been made available for a period of time although it has been formally superseded by another Standard. Its availability is maintained where it is referenced in legislation/regulations or in other Standards and its use should be restricted to where so referenced. No responsibility is taken by Intertek Inform as to the ongoing technical validity of such a Standard, the responsibility resting with the referencing authority.

Storage water heaters General requirements
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Published date

04-15-1991

Publisher

Standards Australia

Preview

1 - AS 1056.1-1991 STORAGE WATER HEATERS - GENERAL REQUIREMENTS
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 APPLICATION
6 - 1.3 REFERENCED DOCUMENTS
6 - 1.3.1 Standards
7 - 1.3.2 Industrial code
7 - 1.4 DEFINITIONS
7 - 1.4.1 Electric storage water heater (hereinafter referred to as a ‚water heater™)
7 - 1.4.2 Unvented water heater
7 - 1.4.3 Vented water heater
8 - 1.4.4 Displacement water heater
8 - 1.4.5 Falling-level water heater
8 - 1.4.6 Hot-water delivery
8 - 1.4.7 Maximum water-supply pressure
8 - 1.4.8 Maximum head
8 - 1.4.9 Heating element
8 - 1.4.10 Heating unit
9 - 1.4.11 Container
9 - 1.4.12 Shell
9 - 1.4.13 Casing
9 - 1.4.14 Corset
11 - 1.4.15 Bonded coating
11 - 1.5 COMPLIANCE WITH OTHER SPECIFICATIONS
11 - 1.5.1 Electrical safety requirements
11 - 1.5.2 Requirements for gas water heaters
11 - 1.5.3 Requirements of water supply and other regulatory authorities
11 - 1.6 RATED HOT-WATER DELIVERY/CAPACITY
11 - 1.6.1 Electric water heaters
11 - 1.6.2 Gas water heaters
11 - 1.7 FACILITIES FOR MAINTENANCE
12 - 1.8 CLEANLINESS IN MANUFACTURE
13 - SECTION 2 CONSTRUCTION REQUIREMENTS
13 - 2.1 FIXING OF HEATING UNITS TO SHELL
15 - 2.2 SACRIFICIAL ANODES
15 - 2.2.1 Shells lined with vitreous enamel
15 - 2.2.2 Shells lined with bonded plastics
15 - 2.3 FITTINGS IN CONTACT WITH WATER
15 - 2.4 THERMAL INSULATION
16 - 2.5 CORSET
16 - 2.6 CASING
17 - 2.7 HYDROSTATIC OVERPRESSURE WITHSTAND
17 - 2.7.1 Electric water heaters
17 - 2.7.2 Gas water heaters
17 - 2.8 PRESSURE FATIGUE WITHSTAND (OF AN UNVENTED CONTAINER)
17 - 2.8.1 Electric water heaters
17 - 2.8.2 Gas water heaters
17 - 2.9 EXTERNAL TORQUE WITHSTAND
18 - SECTION 3 ELECTRICAL COMPONENTS
18 - 3.1 HEATING UNITS
18 - 3.1.1 Rating of heating units
18 - 3.1.2 Tubular-sheathed immersion heating units
19 - 3.1.3 Bobbin heating units
19 - 3.1.4 Heating unit support
19 - 3.1.5 Location of heating unit
20 - 3.2 THERMOSTATS AND THERMAL CUTOUTS
20 - 3.2.1 General
20 - 3.2.2 Thermostat setting
20 - 3.2.3 Immersed-probe thermostats
20 - 3.2.4 Surface-contact thermostats
20 - 3.2.5 Thermal cut-out
21 - SECTION 4 FEED TANKS AND WATER FITTINGS
21 - 4.1 ATTACHED FEED TANK
21 - 4.1.1 General
21 - 4.1.2 Materials
21 - 4.1.3 Design and construction
21 - 4.1.4 Delivery
21 - 4.1.5 Water level
22 - 4.1.6 Float-control valve
22 - 4.1.7 Overflow
22 - 4.1.8 Cover
22 - 4.2 WATER FITTINGS
22 - 4.2.1 Inside diameter
22 - 4.2.2 Materials
22 - 4.2.3 Plumbing connections to water heater
22 - 4.3 WATER PIPES
22 - 4.4 DRAINAGE FACILITIES
23 - SECTION 5 MARKING AND INSTALLATION INSTRUCTIONS
23 - 5.1 MARKING
23 - 5.1.1 General
23 - 5.1.2 Boosting unit
23 - 5.2 INSTRUCTIONS FOR INSTALLATION AND MAINTENANCE
25 - SECTION 6 DETERMINATION OF COMPLIANCE
25 - 6.1 TYPE TESTS
25 - 6.1.1 General
25 - 6.1.2 Product documentation
25 - 6.2 ROUTINE TESTS
27 - APPENDIX A - INFORMATION TO BE SUPPLIED WITH ENQUIRY AND ORDER
28 - APPENDIX B - METHOD FOR THE DETERMINATION OF HEAT LOSS
28 - B1 SCOPE
28 - B2 PRINCIPLE
28 - B3 TEST APPARATUS
28 - B4 TEST CONDITIONS
28 - B4.1 Set-up
28 - B4.2 Air temperature
28 - B4.3 Air circulation
29 - B4.4 Thermostat setting
29 - B4.5 Test voltage
29 - B4.6 Energization of heating units
29 - B5 PROCEDURE
30 - B6 CALCULATIONS
30 - B7 REPORT
31 - B8 EXAMPLES
32 - APPENDIX C - METHOD FOR THE DETERMINATION OF HOT-WATER DELIVERY
32 - C1 SCOPE
32 - C2 PRINCIPLE
32 - C3 TEST APPARATUS
32 - C4 TEST CONDITIONS
32 - C4.1 General
32 - C4.2 Installation of water heater
33 - C4.3 Insulation of fittings
33 - C4.4 Cold-water supply
33 - C4.5 Draw-off facilities
33 - C4.6 Thermostat setting
34 - C4.7 Energization of heating units
34 - C5 PROCEDURE
34 - C6 REPORT
35 - APPENDIX D - TYPICAL PRODUCT SPECIFICATION FOR A WATER HEATER

Specifies general construction and performance requirements for electric storage water heaters of 25 L to 630 L rated hot water delivery. (Requirements for gas water heaters are specified only by reference to Code AG 102 published by AGA/ALPGA.) To be read in conjunction with AS 1056.2 or AS 1056.3 as appropriate.

This Standard specifies requirements for:(a) Storage water heaters heated solely by electricity (hereinafter called 'water heaters') having rated hot-water deliveries within the range 25 L to 630 L and having heating units of the tubular-sheathed immersion type or the bobbin type.NOTES: Where non-electric supplementary heating, e.g. from a solar collector or a slow combustion stove, is used,additional requirements may be necessary.(b) Gas storage water heaters by cross-reference to Code AG 102 published by The Australian Gas Association and the Australian Liquefied Petroleum Gas Association (see Clauses 1.3.2 and 1.5.2).This Standard does not apply to heat-exchange water heaters (see AS 1361).NOTES:1. Water heaters having deliveries in excess of 630 L generally have special requirements. Intending purchasers of such water heaters are advised to include in their specification such requirements of this Standard as are relevant to their needs.2. For the installation of household type hot-water systems, see AS 3500.4.3. Information to be supplied with enquiries and orders for electric water heaters is given in Appendix A.

Committee
EL-020
DocumentType
Standard
ISBN
0 7262 6812 7
Pages
34
PublisherName
Standards Australia
Status
AvailableSuperseded
SupersededBy
Supersedes
UnderRevision

Amendment 3 to AS 1056.1-1991 see DR 96021. Draft Amendment 5 to AS 1056.1-1991 see DR 03367 AS 1056.1 first published as part of AS C316-1957.Second edition 1965.Third edition 1970.AS C316-1970 revised and redesignated AS 1056-1972.AS C316-1970 withdrawn 1974.Second edition AS 1056-1977.AS 1056-1977 revised and redesignated in part as AS 1056.1-1985.Second edition 1991. AS 1056.1 first published as part of AS C316-1957. Second edition 1965. Third edition 1970. AS C316-1970 revised and redesignated AS 1056-1972. AS C316-1970 withdrawn 1974. Second edition AS 1056-1977. AS 1056-1977 revised and redesignated in part as AS 1056.1-1985. Second edition 1991. AS 1056.1 first published as part of AS C316-1957. Second edition 1965. Third edition 1970. AS C316-1970 revised and redesignated AS 1056-1972. AS C316-1970 withdrawn 1974. Second edition AS 1056-1977. AS 1056-1977 revised and redesignated in part as AS 1056.1-1985. Second edition 1991. Reissued incorporating Amendment No.1 (July 1992). Reissued incorporating Amendment No.2 (December 1995). Reissued incorporating Amendment No. 3 (August 1996). Reissued incorporating Amendment No. 4 (January 2000). Reissued incorporating Amendment No. 5 (September 2005).

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AS 2971-2007 Serially produced pressure vessels (Reconfirmed 2017)
AS 4628-2005 Pressure and temperature limit devices for use with gas burners
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AS 4037-1999 Pressure equipment - Examination and testing (Reconfirmed 2016)
AS 1361-1995 Electric heat-exchange water heaters - For domestic applications (Reconfirmed 2016)
AS/NZS 2712:2007 Solar and heat pump water heaters - Design and construction (Reconfirmed 2020)
AS/NZS 3500.5:2000 National Plumbing and Drainage - Domestic installations
AS 3533.1-1997 Amusement rides and devices - Design and construction
AS/NZS 3500.4:2003 Plumbing and drainage Heated water services
AS 4560-2004 Gas pool heaters (Reconfirmed 2016)
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AS 1056.3-1991 Storage water heaters - Specific requirements for water heaters with composite shells
AS/NZS 1056.4:1997 Storage water heaters Daily energy consumption calculations for electric types
AS 1056.2-1985 Storage water heaters - Specific requirements for water heaters with single shells
AS 1210-2010 Pressure vessels (Reconfirmed 2021)
AS/NZS 1200:2000 Pressure equipment
AS 4037-1992 Boilers and pressure vessels - Examination and testing
AS 4628-2005 Pressure and temperature limit devices for use with gas burners
AS 1308-1987 Electric water heaters - Thermostats and thermal cutouts (Reconfirmed 2016)
AS/NZS 3500.4.2:1997 National Plumbing and Drainage Hot water supply systems - Acceptable solutions
AS 4234-1994 Solar water heaters - Domestic and heat pump - Calculation of energy consumption
AS/NZS 4234:2008 Heated water systems - Calculation of energy consumption
AS/NZS 1200:1994 Pressure equipment
MP 52-1997 Manual of authorization procedures for plumbing and drainage products
AS 3533.1-1997 Amusement rides and devices - Design and construction
AS 1361-1995 Electric heat-exchange water heaters - For domestic applications (Reconfirmed 2016)
AS 2712-1993 Solar water heaters - Design and construction
AS/NZS 4692.2:2005 Electric water heaters Minimum Energy Performance Standard (MEPS) requirements and energy labelling (Reconfirmed 2016)
AS 3533.1-2009 Amusement rides and devices Design and construction
AS/NZS 3500.5:2000 National Plumbing and Drainage - Domestic installations
AS 3500.4-1994 National Plumbing and Drainage Code Hot water supply systems
AS 1210-1997 Pressure vessels
AS/NZS 3869:1999 Domestic solid fuel burning appliances - Design and construction
MP 52-2001 Manual of authorization procedures for plumbing and drainage products
AS/NZS 2712:2002 Solar and heat pump water heaters - Design and construction
AS 2832.4-1994 Cathodic protection of metals - Internal surfaces
AS 3142-1994 Approval and test specification - Electric water heaters
AS 2971-2002 Serially produced pressure vessels
AS 2832.4-2006 Cathodic protection of metals Internal surfaces (Reconfirmed 2016)
AS 4560-2004 Gas pool heaters (Reconfirmed 2016)

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
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