Standard
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AS 2676.1:2020
[Current]Installation, maintenance, testing and replacement of secondary batteries in buildings, Part 1: Vented cells
This Standard sets out requirements and provides guidance for the installation, maintenance, testing and replacement of vented secondary batteries permanently installed in buildings, structures or premises.
Published: 17/04/2020
Pages: 54
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Terms and definitions
2 Design considerations for direct current systems using batteries
2.1 General
2.2 Battery size (nominal voltage and rated capacity)
2.3 Method of connection
2.4 Operating conditions
2.5 Battery short-circuit current
2.6 Voltage drop
2.7 Connection between battery and direct current switchboard
2.7.1 General
2.7.2 Cables
2.7.3 Busbars
2.7.4 Busways
2.8 Direct current switchboards
2.9 Terminals and connectors
2.10 Direct current systems — earthing and earth-fault detection
2.11 Earth-fault location
2.12 Protection of batteries and direct current circuits
2.13 Alarms
2.14 Dual battery system
3 Battery accommodation
3.1 General
3.2 Layout and location
3.3 Ventilation
3.3.1 Gas evolution
3.3.2 Rate of ventilation
3.3.3 Charging rate
3.3.4 Method of ventilation
3.3.4.1 General
3.3.4.2 Natural ventilation
3.3.4.3 Mechanical ventilation
3.3.4.4 Arrangement of ventilation
3.4 Access
3.4.1 General
3.4.2 Battery rooms or areas restricted to authorized personnel
3.4.3 Battery enclosures
3.5 Floor loadings
3.6 Battery room floor construction and finish
3.7 Battery enclosure construction
3.8 Lighting and power
3.9 Safety signs
3.10 Water supply
3.11 Arrangement of cells or monobloc
3.12 Battery stands
4 Charging
5 Installation and commissioning
5.1 Receipt inspection
5.2 Unpacking
5.3 Storage
5.4 Mounting and connection
5.5 Commissioning
5.5.1 Initial charge
5.5.2 Inter-cell voltage
5.5.3 Performance test
5.5.4 Cell voltage test
5.6 Records
6 Inspection and maintenance
6.1 Inspection
6.1.1 General
6.1.2 Test equipment
6.1.3 Inspection schedule
6.1.3.1 Monthly
6.1.3.2 Quarterly
6.1.3.3 Yearly
6.1.4 Performance tests
6.1.5 Abnormal conditions
6.2 Records
6.3 Pilot cells
6.4 Maintenance
6.4.1 Routine maintenance
6.4.2 Electrolyte density
6.4.3 Equalizing charges
6.4.4 Level of float voltage
6.4.4.1 Lead-acid batteries
6.4.4.2 Nickel-cadmium batteries
6.4.5 Cell voltage
6.4.5.1 Lead-acid batteries
6.4.5.2 Nickel-cadmium batteries
6.4.6 Cycling of nickel-cadmium batteries
7 Testing
7.1 General
7.2 Capacity test schedule
7.2.1 Performance
7.2.2 Service
7.3 Design considerations for a capacity tester
7.4 Procedure for battery capacity tests
7.4.1 Type of test
7.4.2 Initial conditions
7.4.3 Test duration
7.4.4 Performance test
7.4.5 Service test
7.5 Battery replacement criteria
8 Safety
8.1 General
8.2 Handling, mixing and storing of electrolyte
8.2.1 Acid electrolyte
8.2.2 Alkaline electrolyte
8.3 Protective equipment
8.4 Safety signs
8.5 Electrolyte burns
8.5.1 General
8.5.2 First aid treatment
8.6 Water supply
8.7 Precautions
8.7.1 General
8.7.2 During installation
8.7.3 During maintenance
8.8 Firefighting equipment
Appendix A
A.1 General
A.2 Method of calculation
A.3 Correction for electrolyte temperature in the range 4 °C to 15 °C
A.4 Examples
A.4.1 Example 1
A.4.2 Example 2
Appendix B
B.1 Scope
B.2 Principle
B.3 Procedure
B.4 Report
Appendix C
Appendix D
Appendix E
Appendix F
F.1 Scope
F.2 Condition on delivery
F.3 Fully charged, capacity-proven batteries
F.4 Fully charged batteries
F.5 Unfilled batteries
F.6 Service test
F.7 Inter-cell connections
Appendix G
G.1 Scope
G.2 Condition on delivery
G.3 Filled and charged batteries
G.4 Empty and discharged batteries
G.5 Service test
G.6 Inter-cell connections
Appendix H
Appendix I
I.1 Scope
I.2 Principle
I.3 Preparation
I.4 Procedure
I.5 Calculation
I.6 Report
Appendix J
Bibliography
Cited references in this standard
[Current]
Electrical installations — Secondary batteries installed in buildings, Part 1: Vented cells
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