Find the most up-to-date version of CSA C SERIES at Engineering Table of Contents. Preface ANSI/CSA C, Design and installation of ground source heat pump systems – Generic applications for all systems 1 Scope. This is the second edition of the CSA C Series, Design and installation of earth energy systems. It supersedes the previous edition published in

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This css is also available to be included in Standards Subscriptions. A permit to take water is not required for a taking from a domestic open loop ground source unless the taking does not meet the purpose of the Ontario Water Resources Act.

CSA-C Archives – Trinus Pipes & Tubes

Fas amended. Heat is then transferred to the outside loop and is released into the ground or surface water.

Figure 2 is a drawing showing a close up schematic of a well with a standing column geothermal system installed in it. As the diagram represents a late fall scenario, the fluid flowing from the residence does cc448 contain heat. D448 is important that the siting, installation, maintenance and decommissioning of these systems be undertaken in a manner that protects public health and safety, and the environment, including groundwater and surface water.

The heat transfer fluid is circulated within tubing, absorbing heat from the surrounding rock, soil and groundwater and storing it for use at a later time. This standard is not included in any packages.

Earth Energy Systems in Ontario

Proceed to Checkout Continue Shopping. Typically, groundwater is taken from a well, circulates through a heat pump and discharges to groundwater in another well, surface water, or overburden in a dry hole. In the second excavation, one waterline turns to the left, extends through the subsurface and enters into a supply well located in the lower centre of the diagram.


Capitalized initials used in the text and symbols of this technical bulletin are defined as follows:.

These requirements are intended to provide a multiple barrier approach to reduce the risk of a well acting as a pathway for contaminants to migrate along and impair groundwater. The second water line extends vertically in the well and stops just below the water table. The second drawing shows a cluster of DX vertical loops installed in a number of vertical bore holes located equidistant along the circumference of a circle around a central point.

The person decommissioning the earth energy system should have the experience and training to deal with any identified contamination, flowing water and, if necessary, with hazardous gas to the standards set out in Oil, Gas and Salt Resources ActR. As the voice of the U. Common heat transfer fluids for closed looped and BTES earth energy systems that are acceptable under the Ground Source Heat Pump Regulation include denatured ethanol, propylene glycol and sca glycol mixed with water.

There are potential environmental risks associated with earth energy systems. To store heat in a BTES system, a continuous sealed loop of tubes, through which a heat transfer fluid passes and returns, are placed into holes in a similar fashion to a closed loop system.

CSA-C Archives – Trinus Pipes & Tubes

Already Subscribed to this document. The waterline on the left side of the diagram has a screened intake within the river.

Other circuits have two tubes that extend to a single modular coiled tubing unit in the surface water See Figure 9. There are three types of open loop systems which use groundwater or surface water as a heat transfer fluid. For further information about skilled trades, the Ontario College of Trades and the Ontario College of Trades and Apprenticeship Act,please refer to the website.

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The following definitions and clarifications of technical terms in the text of the technical bulletin are provided in this section, and are for the purpose of and use with this document. Ontario Ministry of the Environment March For more information: Both horizontal tubes will c48 buried beneath the ground surface to prevent freezing in winter.

Standards Council of Canada

Ministry of Natural Resources Regional Offices. You may delete a document from your Alert Profile at any time. If the hole is part of a closed loop vertical earth energy system, then the two standards require that the grout must be cement or bentonite, high solids clay bentonite grout in situations where the grout will not be subjected to freezing conditions, or thermally enhanced grout.

Detailed documentation of the original installation is helpful in determining the best course of action to properly decommission an earth energy system including removing the heat transfer fluid and plugging the earth energy system. Commonly used refrigerants and banned refrigerants are discussed in sections 2. Figure 7 is a drawing showing an example of a horizontal closed loop ground source geothermal system.

In some circumstances, a written consent not to abandon a well may be issued by the Wells Director at the Ministry of the Environment. Note that this is not an exhaustive list of legislation and regulations administered by MNR that may apply.