• ANSI Z21.76-2016

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    Gas-fired unvented catalytic room heaters for use with propane gas

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2016

    Publisher:  Canadian Standards Association

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

    Preface
    1 Scope
    2 Reference publications
    3 Definitions
    4 Construction
    5 Performance
    6 Manufacturing and production tests
    Annex A (normative) - Outline of lighting instructions for
            appliances equipped with continuous pilots
    Annex B (normative) - Outline of operating instructions
            for appliances equipped with intermittent pilot
            or interrupted pilot systems
    Annex C (normative) - Recommended wire color usage
    Annex D (informative) - Pertinent references to ANSI Y14.15
    Annex E (informative) - Wire color designations
    Annex F (informative) - Preferred graphic symbols of
            commonly used items, extracted from standard
            ANSI/IEEE 315, Graphic symbols for electrical
            and electronics diagrams, and abbreviations for
            these items
    Annex G (informative) - Relationship of carbon dioxide
            to oxygen in the closed room test specified in
            Clause 5
    Annex H (informative) - Sample failure modes and
            effects analysis for component miswiring
    Annex I (informative) - Legibility and design of safety
            information in catalytic room heater markings
            and manuals
    Annex J (informative) - Table of conversion factors

    Abstract - (Show below) - (Hide below)

    This Standard applies to newly produced unvented catalytic room heaters (see Clause 3, Definitions), hereinafter referred to as heaters, constructed entirely of new, unused parts and materials, having input ratings up to and including 40,000 Btu per hour (11 723 W) for use with propane gas, except: a) heaters suitable for installation in bedrooms are to have input ratings of 10,000 Btu (2 931 W) per hour or less; and b) heaters suitable for installation in bathrooms are to have input ratings of 6,000 Btu per hour (1 758 W) or less.

    Scope - (Show below) - (Hide below)

    Preface This is the fourth edition of ANSI Z21.76, Gas-fired unvented catalytic room heaters for use with propane gas. It supersedes the previous editions published in 1994, 1991, and 1988. Scope 1.1 This Standard applies to newly produced unvented catalytic room heaters (see Clause 3, Definitions), hereinafter referred to as heaters, constructed entirely of new, unused parts and materials, having input ratings up to and including 40,000 Btu per hour (11 723 W) for use with propane gas, except: a) heaters suitable for installation in bedrooms are to have input ratings of 10,000 Btu (2 931 W) per hour or less; and b) heaters suitable for installation in bathrooms are to have input ratings of 6,000 Btu per hour (1 758 W) or less. Unvented catalytic room heaters for installation in bedrooms or bathrooms are to be wall-mounted. The construction of unvented catalytic room heaters for use with propane gas is covered under Clause 4. The performance of unvented catalytic room heaters for use with propane gas is covered under Clause 5. 1.2 If a value for measurement as given in this Standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification. 1.3 All references to psi throughout this Standard are to be considered gauge pressure unless otherwise specified. 1.4 Clause 2 contains a list of standards specifically referenced in this Standard, and sources from which these reference standards may be obtained. 1.5 In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.

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

    Document Type Standard
    Publisher Canadian Standards Association
    Status Current
    Supersedes

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

    ASME B18.6.2 : 1998 SLOTTED HEAD CAP SCREWS, SQAURE HEAD SET SCREWS, AND SLOTTED HEADLESS SET SCREWS (INCH SERIES)
    ASME Y14.15 : B 1973 ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDES SUPPLEMENTS ANSI Y14.15A-1971 AND Y14.15B-1973)
    ANSI Z21.21 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    NEMA WD 6 : 2016 WIRING DEVICES - DIMENSIONAL SPECIFICATIONS
    UL 62 : 2014 FLEXIBLE CORDS AND CABLES
    CSA 6.5 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    ASME Y14.15B : 1973 ELECTRICAL AND ELECTRONICS DIAGRAMS (SUPPLEMENT TO ANSI Y14.15-1966), - INFORMATION SHEET ON Y14.15 - 1966(R1973)
    ASME PTC19.3 : 1974(R2004) PERFORMANCE TEST CODE - PART 3: TEMPERATURE MEASUREMENT
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ASME B18.6.3 : 2013 MACHINE SCREWS, TAPPING SCREWS, AND METALLIC DRIVE SCREWS (INCH SERIES)
    ANSI C101.1 : 1992 LEAKAGE CURRENT FOR APPLIANCES
    ASME B18.6.4 : 1998 THREAD FORMING AND THREAD CUTTING TAPPING SCREWS AND METALLIC DRIVE SCREWS, INCH SERIES
    ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
    ASME B36.10M : 2015 WELDED AND SEAMLESS WROUGHT STEEL PIPE
    ANSI Z223.1 : 2018 NATIONAL FUEL GAS CODE
    ASME Y14.15A : 1971 ELECTRICAL AND ELECTRONICS DIAGRAMS (SUPPLEMENT TO ANSI Y14.15-1966), - INTERCONNECTION DIAGRAMS
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