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    • ENERGY AND HEAT TRANSFER ENGINEERING
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    • CSA B140.4:04 (R2019)

    Codes & Standards - Subscribe

    CSA B140.4:04 (R2019)

    Oil-Fired Warm Air Furnaces
    SKU: 2702122 Published by CSA Group Publication Year 2004 Reaffirmed in 2019

    Product Details

    • Preface/Scope
    • Items Included

    Preface


    This is the third edition of CSA B140.4, Oil-fired warm air furnaces. It supersedes the previous editions published in 1974 and 1971. It is one of a series of oil-burning equipment Standards covering minimum requirements for the safe operation, acceptable performance, design, construction, manufacture, marking, and testing of oil-burning equipment and should be read in conjunction with CSA B140.0, Oil-Burning Equipment: General Requirements.


    Changes in this new edition include the following:


    (a) The referenced Standards have been updated.


    (b) The Scope of the Standard has been clarified.


    (c) References to external flues and flue pipes have been changed to vents and vent pipes.


    (d) Filter specifications have been updated.


    (e) Requirements for installation, the service manual, and operating instructions and some markings have been modified and now indicate homeowner instructions.


    (f) Maximum vent outlet temperature requirements have been updated.


    (g) Test enclosure floor construction has been modified.


    (h) Simulated rain and wind tests for outdoor appliances have been amended.


    (i) All numeric values have been converted to SI (metric) units, with Imperial units or US Customary measurements shown for information only.


    Scope


    1.1

    This Standard applies to complete, vent- (flue-) connected, oil-fired warm air appliances, irrespective of the heating capacity or the type of burner used.


    1.2

    This Standard applies to appliances


    (a) intended for installation with the base of the appliance placed on the floor;


    (b) intended to be used with pipes or ducts for the distribution of the heated air; and


    (c) employing forced circulation of the heated air.


    1.3

    This Standard also applies to


    (a) downflow furnaces;


    (b) duct furnaces;


    (c) horizontal furnaces;


    (d) in-line furnaces;


    (e) unit heaters; and


    (f) upflow furnaces.


    1.4

    Requirements for heating/cooling appliances primarily for outdoor installation are specified in Clause 10.


    1.5

    This Standard is written in SI (metric) units. The values given in parentheses are for information only.


    1.6

    In CSA Standards, 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, and can is used to express possibility or capability.


    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. Legends to equations and figures are considered requirements.


    Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application

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    CSA B140.4:04 (R2019)

    Oil-Fired Warm Air Furnaces

    Active
    English

    CSA B140.4:F04 (C2019)

    Générateurs d'air chaud alimentés au mazout

    Active
    French

    B140.4-1974 (R2001)

    Oil-Fired Warm Air Furnaces

    Withdrawn
    English

    B140.4-F1974 (C2001)

    Fournaises à air chaud alimentées à l'huile

    Withdrawn
    French
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