CAN CSA-B149.1-05 PDF

CAN CSA-B PDF – CAN/CSA-B, Natural gas and propane installation code. January Note: General Instructions for CSA Standards are now called. 1 Aug CAN/CSA B January Natural Gas and Propane Installation Code, Includes Supplement No. 1 and Update No. 1. Historical. 1 Jan CAN/CSA BU Update No. 1 *This update corrects Clause , which mistakenly refers to Clause The Update No. 1 revises.

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Flexible connector — see Connector. Safety limit control — a safety control intended to prevent an unsafe condition of temperature, pressure, or liquid level.

Notes to figures and tables, however, areconsidered part of the figure or table and are written as mandatory requirements.

When either overloads or high starting loads are likely to be encountered, the size of piping shall becomputed on a basis proportional to the increased input required. January 54A B You can change your cookie settings through your browser. A moisture-exhaust duct from a clothes dryer is not considered to be a connector.

CAN CSA-B149.1-05 PDF

Equipment — a device, other than an appliance, accessory, or component, that is connected to a pipingor tubing system. Flame safeguard — see Combustion safety control. Fitting — an item in a piping or tubing system that is used as a means of connection, such as an elbow,return bend, tee, union, bushing, coupling, or cross, but does not include such functioning items as avalve or pressure regulator.

It shallbe wired into the safety limit circuit of the primary safety control to shut off the gas in the event ofair-supply failure.

When identified in accordance with Item b or cthe identification intervals shall not exceed 20 ft 6 m. Natural gas piping or propane vapour phase piping with operating pressures exceeding psig kPa and all liquid piping shall be at least Schedule 80 if joints are either threaded or threaded and back welded.

January 33 Replaces p. January 29 Replaces p. View in Fullscreen Report. Regulator sizing shall be subject to theminimum available inlet supply pressure. Wash-mobile — a mobile outdoor unit that uses propane-heated water, or a solution, for the purposeof cleaning.

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Enclosure — a secondary structure room within or attached to a structure building in which an appliance is installed.

Standards Council of Canada

The draft hood supplied for a conversion burner shall be located so that theburner is capable of safe and efficient operation. All measurements shall be taken between the outermost projection of the appliance and surrounding structure or property line after the appliance has been installed. Back check valve — a valve that is normally closed and allows flow in only one direction.

Relief device — a device designed to open to prevent a rise of gas pressure in excess of a specified value due to an emergency or abnormal conditions. Such protection shall extend the full length and width of the heater and its draft hood.

Wash-mobile — a mobile outdoor unit that uses propane-heated water, fsa-b149.1-05 a solution, for the purposeof cann. An appliance designed to produce acontrolled atmosphere need not be subject to these conditions.

CAN/CSA-B Natural gas and propane – CSA Group Pages 51 – 72 – Text Version | FlipHTML5

Service regulator — a pressure regulator installed on a service line to control the pressure of the gas delivered to the customer. Ventilation with respect to the css-b149.1-05 in which an appliance is installed — the removal of csa-b1499.1-05 air, leaked or spilled products of combustion, or flue gases from the space in which an appliance is installed to outside the space, and the replacement of same by air from outside the space.

January 25 Replaces p. Such a venter shall not be used in conjunction with an incinerator. January 81 Replaces p.

Evidence shall be provided to authenticate the characteristics of the replaced appliance to the authority having jurisdiction. January 49 Replaces csa-b14.91-05. A draft hoodshall not be installed in a false ceiling space, in a room other than the one the appliance serves, or inany manner that could caan a difference in pressure between the draft-hood relief opening and thecombustion air supply.

Class A or class B certificates for individuals with qualifications from elsewhere in Canada.

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Draft regulator barometric damper — a draft-control device intended to stabilize the natural draft in an appliance by admitting room air to the venting system. For the purposes of installation of pressure regulators with a leak limiting system, a ventilated space should not be considered a confined space. The location of the opening s shall not interfere with the intended purpose of the opening s for the ventilation air referred to in Clause 8.

View in Fullscreen Report. Revised Contents, Clauses 1. Fireplace — a device for burning solid fuel that has the major portion of one or more essentially verticalsides open or openable for refuelling and for the visual effects of the burning fuel. See also Clauses 4. Canadian gas standards adopted as B. This provision shall not apply to tubing that passes directly through walls or partitions. For equivalent ductlengths in excess of 20 ft 6 m up to and including a maximum of 50 ft 15 mincrease roundduct diameter by one size.

This air-supply opening requirement shall be in addition to the opening for ventilation air required in Clause 8. The ground shall first be prepared and provided with gravel for drainage. Notes to the text do not includemandatory or alternative requirements. Where regulators might besubmerged during floods, either a special anti-flood-type breather vent fitting shall be installed or thevent line shall be extended above the height of the expected flood waters.

Flame baffle — see Baffle. Service regulator — a pressure regulator installed can csa-b The mechanical ventilation shall be in operation when theengine is running, and the room shall be ventilated before and during any repairs to the engine. Valve train — the combination of valves, controls, and piping and tubing of an appliance upstream from the manifold through which gas is supplied to the appliance and by which gas is controlled.

Flue baffle — see Baffle.