• BS 5990:1990

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Specification for direct gas-fired forced convection air heaters with rated heat inputs up to 2 MW for industrial and commercial space heating: safety and performance requirements (excluding electrical requirement) (2nd family gases)

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  27-07-2006

    Language(s):  English

    Published date:  30-03-1990

    Publisher:  British Standards Institution

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Committees responsible
    Specification
    1 Scope
    2 Definitions
    3 Classification of appliances
    3.1 By category
    3.2 By flue type
    4 General requirements
    5 General conditions of test
    5.1 Test room
    5.2 Preparation of appliance for testing
    5.3 Test procedure
    6 Design and construction
    6.1 All appliances
    6.2 Appliances designed for permanent outdoor
           installation
    7 Soundness
    7.1 General
    7.2 Complete assembly
    8 Heat input
    8.1 Measurement
    8.2 Tolerance
    8.3 Adjustment
    9 Combustion
    9.1 Combustion requirements
    9.2 Methods of analysis
    9.3 Conditions of test
    10 Ignition
    10.1 Pilot burners and ignition devices
    10.2 Ignition performance; burner systems with
           permanent pilots
    10.3 Ignition performance; burner system with
           interrupted or intermittent pilots
    10.4 Ignition performance; burner systems employing
           direct main flame spark ignition
    11 Flame stability
    12 External temperatures
    12.1 Surface temperatures
    12.2 Component temperatures
    13 Manual gas valves
    14 Automatic controls
    14.1 General
    14.2 Governors
    14.3 Gas strainers
    14.4 Safety shut-off valves
    14.5 Combustion air, pre-purge and post-purge
    14.6 Flame supervision system
    14.7 Start-gas flame establishment
    14.8 Main flame establishment
    14.9 Air-gas ratio control
    14.10 Thermostats and control of air temperature
    15 Motors and fans
    15.1 General
    15.2 Fan motor temperature
    15.3 Lubrication
    15.4 Marking
    16 Electricity supply
    17 Manufacturer's instructions
    17.1 General
    17.2 Installation instructions
    17.3 Servicing instructions
    17.4 User's instructions
    18 Facilities for commissioning and testing
    19 Identification and marking
    19.1 General
    19.2 Data plate
    19.3 Name badge
    19.4 Appliance parts
    19.5 Electrical data
    19.6 Warning notices
    19.7 Lighting instructions
    20 Air handling
    20.1 Air flow rate
    20.2 Air flow adjustment
    20.3 Profile plate (where fitted)
    20.4 Recirculation air
    21 Surface heat dissipation
    22 Air delivery volume
    23 Weather resistance
    Tables
    1 Surface temperature rise
    2 Application of safety shut-off valves
    3 Flame supervision device drop-out times
    4 Fan motor windings: permissible temperature rises
    Figures
    1 Paint scratch test apparatus
    2 Test duct for air flow measurement
    3 Anti-swirl device
    4 Air flow regulating device
    5 Connecting bend
    6 Arrangement of spray heads and associated piping
           for rain test
    7 Details of spray head assembly and construction

    Abstract - (Show below) - (Hide below)

    Gives detailed requirements for direct gas fired forced convection air heaters having heat inputs up to 2 MW, meant for commercial and industrial applications. Does not cover appliances that are meant for installation in domestic dwellings. Gives safety and performance requirements and methods of test. Coverage includes definitions, heat input, combustion, ignition and manual gas valves. Also includes tables and diagrams.

    General Product Information - (Show below) - (Hide below)

    Committee GSE/20
    Development Note Supersedes 83/73385 DC, 86/70629 DC, 89/70195 DC and BS 5990(1981) (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 476-4:1970 Fire tests on building materials and structures Non-combustibility test for materials
    BS 5000-99:1973 Rotating electrical machines of particular types or for particular applications Machines for miscellaneous applications
    BS 10:1962 Specification for flanges and bolting for pipes, valves, and fittings
    BS 5986:1980 Specification for electrical safety and performance of gas fired space heating appliances with inputs 60 kW to 2 MW
    BS 5963:1981 Specification for electrically operated automatic gas shut-off valves
    BS 4921:1988 Specification for sherardized coatings on iron or steel
    BS 1756-4:1977 Methods for sampling and analysis of flue gases Miscellaneous analyses
    BS 3955:1986 Specification for electrical controls for household and similar general purposes
    BS 3554-1:1971 Specification for gas governors Independent governors for inlet pressures up to 25 mbar
    BS 1224:1970 Specification for electroplated coatings of nickel and chromium
    BS 6501-1:1984 Flexible metallic hose assemblies Specification for corrugated hose assemblies
    BS 1706:1990 Method for specifying electroplated coatings of zinc and cadmium on iron and steel
    BS 1756-2:1971 Methods for the sampling and analysis of flue gases Analysis by the Orsat apparatus
    BS 5000-11(1973) : 1973 SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - PART 11: SMALL-POWER ELECTRIC MOTORS AND GENERATORS
    BS 6448-1:1987 Gas governors Specification for pressure governors with nominal connection size up to 50 mm for gas appliances with inlet pressure up to and including 200 mbar
    BS 1756-1:1971 Methods for the sampling and analysis of flue gases Methods of sampling
    BS 1756-3:1971 Methods for the sampling and analysis of flue gases Analysis by the Haldane apparatus
    BS 4201:1979 Specification for thermostats for gas-burning appliances
    BS 5991:1989 Specification for indirect gas fired forced convection air heaters with rated heat inputs up to 2 MW for industrial and commercial space heating: safety and performance requirements (excluding electrical requirements (2nd family gases)
    BS 1042-2.1:1983 Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes
    BS 1179:1967 Glossary of terms used in the gas industry
    BS 4504-2:1974 Circular flanges for pipes, valves and fittings (PN designated) Copper alloy and composite flanges
    BS 4504-1:1969 Circular flanges for pipes, valves and fittings (PN designated) Ferrous
    BS 3554-2:1972 Specification for gas governors Independent governors for inlet pressures up to 350 mbar
    BS 1042-2A(1973) : LATEST
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective