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  • CSA 4.9 : 2017

    Current The latest, up-to-date edition.

    GAS-FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-02-2018

    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
    7 Items unique to Canada
    Annex A - Outline of lighting instructions for appliances
              equipped with continuous pilots
    Annex B - Outline of operating instructions for appliances
              equipped with intermittent pilot or interrupted
              pilot systems
    Annex C - Outline of operating instructions for appliances
              equipped with direct ignition systems
    Annex D - Flue loss calculations
    Annex E - (Optional) Provisions for listed gas appliance
              conversion kits
    Annex F - Pertinent references to ANSI Y14.15
    Annex G - Wire color designations
    Annex H - Recommended wire color usage
    Annex I - 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 J - Sample failure modes and effects analysis
              for component miswiring
    Annex K - Table of conversion factors

    Abstract - (Show below) - (Hide below)

    Pertains to newly produced gas-fired low-pressure steam and hot water boilers with gas inlet pressure ratings not exceeding 0.5 psi (3.5 kPa) and having input ratings of less than 12,500,000 Btu/hr (3663389 W), hereinafter referred to as boilers, constructed entirely of new unused parts and materials.

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

    Development Note Also numbered as ANSI Z21.13 (06/2001) Supersedes CGA 4.9. (06/2008) Effective in Canada December 1, 2018. (02/2018)
    Document Type Standard
    Publisher Canadian Standards Association
    Status Current
    Supersedes

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

    ANSI Z21.21 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    C22.1-15 Canadian Electrical Code, Part I (23rd Edition), Safety Standard for Electrical Installations
    CSA C22.2 No. 49 : 2014 FLEXIBLE CORDS AND CABLES
    CSA B51 : 2014 BOILER, PRESSURE VESSEL, AND PRESSURE PIPING CODE
    CSA C22.2 No. 77 : 2014 MOTORS WITH INHERENT OVERHEATING PROTECTION
    CSA 6.5 : 2015 AUTOMATIC VALVES FOR GAS APPLIANCES
    ASTM F 441/F441M : 2015 : REDLINE Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80
    CSA C22.2 No. 24 : 2015 TEMPERATURE-INDICATING AND -REGULATING EQUIPMENT
    CSA 2.17-2017 Gas-fired appliances for use at high altitudes
    IEEE/ASTM SI_10-2010 American National Standard for Metric Practice
    IEEE 315 : 1975 GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS)
    CSA C22.2 No. 239 : 2017 CONTROL AND INSTRUMENTATION CABLES
    CSA C22.2 No. 0.15 : 2015 ADHESIVE LABELS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ASTM D 2241 : 2015 : REDLINE Standard Specification for Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series)
    CSA C22.2 No. 210 : 2015 APPLIANCE WIRING MATERIAL PRODUCTS
    ANSI C101.1 : 1992 LEAKAGE CURRENT FOR APPLIANCES
    ASTM D 2665 : 2014 : REDLINE Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings
    UL 13:4ED 2015-03 Power-Limited Circuit Cables
    NFPA 54 : 2018 NATIONAL FUEL GAS CODE
    ANSI Z223.1 : 2018 NATIONAL FUEL GAS CODE
    ANSI Z21.66 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
    CGA 6.14 : 2015 AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES
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