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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CAN/CSA-B | Standards Council of Canada – Conseil canadien des normes

Meter location and installation requirements of Clause cab January 33 Replaces p. The valve used for this purpose shall be at the point of entryof the piping system to the building. Except for direct vent water heaters, when the water heater is contained in an enclosure, permanent openings shall be provided as described in Clause 8.

The design of the venting system shall conform to the requirements of the authority having jurisdiction. Service regulators shall be located near the piping entrance and, where practical,the meters shall be installed at the same locations. Type BH vent — a vent complying with ULC S and consisting entirely of factory-made parts, each designed to be assembled with the others without requiring field fabrication, and intended for venting gas appliances.

Turbine engine — a rotary engine that extracts csa-b149.10-5 from a flow of combustion gas. The door shall nothave a glass panel or vent and shall be of cea-b149.1-05 swinging automatic-closing type, gasketed to preventpropane from entering other sections of the building. Venting system — a system for the removal of flue gases to the outdoors by means of a chimney, vent connector, vent, or a natural or mechanical exhaust system.

Annex Bis based on propane cna 1. The heating of the medium being used occurs at a point remote from the vaporizer.

CAN CSA-B149.1-05 PDF

The minimum clearance may be reduced when a substantial guard is provided to prevent vehicles from striking the heater. Draft — the flow of csa-b149.10-5 or combustion products, or both, through an appliance and its venting system. Ventilation air — see Air supply. Clearance to the tub must be maintained can csa-b Flue — an enclosed passageway for conveying flue gases.

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SI metric equivalents may be approximate.

CAN/CSA-B – Supplement No. 1 & Update No.1 – HVAC TECH GROUP

This air-supply opening requirement shall be in addition to the opening for ventilation air required in Clause 8.

The draft hood supplied for a conversion burner shall be located so that theburner is capable of safe and efficient operation. 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. Notes to figures csa-b149.1-0 tables, csa-b49.1-05, areconsidered part of the figure or table and are written as mandatory requirements.

January 1 Replaces p.

Flame-sensing device — that component of a combustion safety control that senses flame. The support spacing can csa-b If a double ventilation metalthimble is used, the same requirements shall apply, except that the thimble shall be at least 6 in mm larger in diameter than the pipe. Set pressure — the start-to-discharge pressure for which a relief valve is set and marked. The smallest vent connector shall enter at the highest level consistent with the available headroom and clearance from combustible material, except that a vent connector from an incinerator shall be installed at the lowest level.

The regulator vent and relief device vent shall terminate outdoors.

Where inspection reveals defective joints, they shall be cut out and replaced. Circumstances can require test pressures and test durations in excess of those shown in the Table. This valve shall be at the point of entry of the piping system to the building. They shall be controlled by a cs-ab149.1-05 switch,oil pressure switch, or an equivalent device to prevent the flow of propane to the carburetor whenthe ignition is off or the engine is not running.

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Floor furnace — a furnace that is suspended from the floor of the space being heated and that supplieswarm air to such space through integral floor or wall grilles without the use of ducts. Revised Contents, Clauses 1. Damaged cylindrical pieces shall be cut out and replaced.

Standards Council of Canada

Dwelling unit — a housekeeping unit used or intended to be used as a domicile by one or more persons, and usually containing cooking, eating, living, sleeping, and sanitary facilities. Dust pocket — see Dirt pocket. Vaporizer — an appliance for converting liquid propane to vapour by means other than atmospheric heat transfer through the surface csa-b19.1-05 the container.

The person doing the purging shall be in direct control of the purging gas supply duringthe purging operation by means of csa–b149.1-05 valve having an attached operating handle. January 49 Replaces p.

Legends to figures arealso written as mandatory requirements. It has an upstream compressor coupled to a downstream turbine and a combustion chamber in between. No other valve shall be used to control or terminate the purge; and c smoking shall not be permitted, and maximum precautions shall be taken to either remove or shut off any source or potential source of ignition prior to commencing csa-b1149.1-05 purge.

This opening shall be either located at or ducted to a point not more than 18 in mm or less than 6 in mm above csa-b149.10-5 floor level.

This requirement shall apply to engines of all inputs, and the ventilation openings shall be arranged tominimize short circuiting of the exhausted and make up air streams.