CAN/CGA-B149.3-M89 (R1996)
Code for the Field Approval of Fuel-Related Components on Appliances and Equipment
Product Details
Scope
A.1.1
This Code contains the requirements, which include valve train diagrams, for fuel related components and accessories and their assembly on an appliance utilizing gas, downstream of the manual specified in Clause 8.19.2 of CAN-B149.1/.2-M86 Installation Codes.
A.1.2
This Code does not apply to installations in
(a) marine pipeline terminals;
(b) petroleum refineries or chemical plants; or
(c) Liquefied Petroleum Gas or Natural Gas for vehicles handling and storage plants.
A.1.3
When another fuel is used in the installation and in combination with gas, the requirements for safe operation of that fuel should be acceptable to the authority having jurisdiction.
A.1.4
Requirements contained herein apply only to that portion of appliance using gas as defined in clause A.1.8, atmosphere gas and reaction gas.
A.1.5
The requirements including valve train diagrams contained in this Code apply
(a) to new non—certified appliances and equipment of all inputs for which there is no approved standard; and
(b) when the upgrading of an existing certified or non-certified appliance is required.
A.1.6
This Code does NOT apply to
(a) a new appliance for which there is an approved standard;
(b) a manually operated appliance with an input not exceeding 20,000 Btuh used for industrial applications; and
(c) other fuels used in combination with gas.
A.1.7
The requirements including valve train diagrams contained in this Code may be used to replace or supplement an approved standard with the permission of the authority having jurisdiction.
A.1.8
When the term gas is used, the requirements, including the valve train diagrams, of this Code shall apply equally to and include any: of the following gases or mixtures of them: natural gas, manufactured gas, propane, propane air, propylene, butane (normal butane or isobutane) and butylene.
A.1.9
When the word shall is used in this Code, this indicates a requirement, unless approved. otherwise by the authority having jurisdiction.
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