Code for the field approval of fuel-burning appliances and equipment. Includes complimentary CSA B149.3:20 Overview online training ($99 value).
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The CSA B149 Series provides important guidance on how to do your job safely -- from handling and storage of natural gas and propane, to safe and effective installation of related appliances and equipment, and more.
The 2020 edition is the latest for the B149.3, Code for the field approval of fuel-burning appliances and equipment.
CSA B149.3:20 applies to:
• Requirements for portable appliances and equipment.
• Generators, compressors/pressure boosters, engines and turbines.
• Risk based program for determining requirements for an appliance in a complex and integrated facility.
The code has been reviewed by regulatory authorities across Canada, and is expected to be adopted into law in every Canadian province and territory.
This self-paced online course will help you understand and apply the key top changes in the latest editions of CSA B149.3, Code for the field approval of fuel-burning appliances and equipment. The online course provides insight into the new additions, changes or deletions to help you quickly apply the benefits of the new standards in your organization.
This is the sixth edition of CSA B149.3, Code for the field approval of fuel-burning appliances and equipment. It supersedes the previous editions published in 2015, 2010, 2005, and 2000 by CSA Group (CSA) as CSA B149.3, and in 1989 by the Canadian Gas Association (CGA) as CAN/CGA-B149.3.
This Code brings together for the convenience of users the applicable requirements for appliances and equipment, originally published as part of the CSA B149.1 and CSA B149.2 Codes.
The major changes to this edition include the following:
• title changed from Code for the Field Approval of Fuel-Related Components on Appliances and Equipment to Code for the field approval of fuel-burning appliances and equipment;
• updated Scope (Clauses 1.2, 1.5, and 1.9);
• updated reference publications (Clause 2);
• updated definitions (Clause 3);
• updated requirements and restructured pressure regulators clause (Clause 4);
• updated requirements and restructured pilot supply clause (Clause 5);
• updated requirements and restructured manual shut-off valves, manual isolation valves, and test firing valves clause (Clause 6);
• updated requirements and restructured pilot burners clause (Clauses 7.2 and 7.3);
• updated requirements for additional requirements for liquid propane valve trains (Clauses 9.1, 9.5, 9.7, 9.8, and 9.9);
• updated requirements for applications, added section for multi-fuel burners (Clauses 10.1.6, 10.1.7, 10.1.8, 10.2, 10.3.1, 10.4, 10.9.3, 10.9.4, and 10.11);
• updated requirements for safety controls (Clauses 12.1.4, 12.1.5, 12.4.1, 12.5.5, and 220.127.116.11);
• updated requirements for rating plate (Clause 14);
• updated requirements for Additional requirements for process ovens, process furnaces, and atmosphere generators (Clause 16.1);
• added new Clause 17 for Generators, compressors/pressure boosters, engines and turbines;
• added new Clause 18 for Flare pilot, removed Annex, Guidelines for flare pilot systems;
• added new Clause 19 for Appliances in a complex and integrated facility;
• added new Clause 20 for Additional requirements for portable appliances and equipment;
• revised recommended procedure for initial start-up of high input equipment (Clauses A.2, A.5, and A.6);
• revised guidelines for electronic-type fuel air-ratio control (FARC) systems (Clause D.2);
• added new Annex I for Risk-based program for determining requirements for an appliance in a complex and integrated facility;
• added new Annex J for Mobile outdoor food service unit; and
• added new Annex K for Recommended requirements for automatic safety shutoff valves and automatic vent valves installed on gas turbines having capacities greater than 12.5 MMBtu/h (3.66 MW) and inlet pressures greater than 150 psi.
This Code has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This Code contains the requirements for fuel-related components and accessories and their assembly on an appliance utilizing gas, downstream of the manual shut-off valve specified in Clause 6.18.2 of CSA B149.1. Clause 16 of this Code contains additional requirements for process ovens, including bakery ovens, process furnaces, and atmosphere generators operating at approximately atmospheric pressure and used by industry for the processing of materials. Recommended requirements for liquid and solid fuel-burning appliances are located in Annex G (liquids) and Annex H (solids).
This Code does not apply to
a) installations in marine pipeline terminals;
b) gas where used as a feedstock in petroleum refineries or chemical plants;
c) gas designated for storage or handling, or both, at propane gas bulk plants;
d) gas where used for natural gas for vehicles;
e) a new appliance for which there is an approved Standard;
f) a manually operated appliance with an input not exceeding 20 000 Btu/h (6 kW) used for industrial applications; and
g) other fuels not covered in this Code and used in combination with gas.
When another fuel is used in the installation and in combination with gas, the safe operation of that fuel shall be approved.
Requirements contained herein apply only to that portion of an appliance using gas as defined in Clause 1.7, atmosphere gas, and reaction gas.
The requirements contained in this Code apply
a) to new non-certified appliances and equipment of all inputs for which there is no approved Standard;
b) when the upgrading, conversion or changes to the control system of a certified or non-certified appliance is required, unless a certified conversion kit for that appliance is utilized; and
c) to programmable logic controllers or microprocessor-based controls used for flame safety and fuel/air ratio control.
The requirements contained in this Code may be used to replace or supplement an approved Standard with the permission of the authority having jurisdiction.
When the term gas is used, the requirements of this Code include, and apply equally to, any of the following gases or mixtures of them: natural gas, manufactured gas, propane, propane air, propylene, butane (normal butane or isobutane), and butylene.
The values given in yard/pound units are the standard. The values given in parentheses are for information only.
When using digester gas, landfill gas or biogas, this Code is to be used in conjunction with CSA B149.6.
In this Code, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Code; 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 Code.
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 (non-mandatory) to define their application.