{"id":518959,"date":"2024-11-05T14:51:59","date_gmt":"2024-11-05T14:51:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/csa-c273-511-r2020\/"},"modified":"2024-11-05T14:51:59","modified_gmt":"2024-11-05T14:51:59","slug":"csa-c273-511-r2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/csa\/csa-c273-511-r2020\/","title":{"rendered":"CSA C273.5:11 (R2020)"},"content":{"rendered":"

Preface<\/strong><\/p>\n

<\/p>\n

This is the second edition of CSA C273.5, Installation of air source heat pumps and air conditioners<\/em>. It supersedes the previous edition published in 1980. It covers installation of unitary, factory-assembled air conditioners and heat pumps (air sink and air source) up to 19 kW (65,000 Btu\/h). It should be noted that this edition now includes requirements for air conditioners as well.<\/p>\n

<\/p>\n

This Standard 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.<\/p>\n

<\/p>\n

Scope<\/strong><\/p>\n

<\/p>\n

1.1<\/p>\n

This Standard covers the installation requirements for unitary air conditioners and air source heat pumps for residential applications with cooling ratings up to 19 kW (65 000 Btu\/h).<\/p>\n

<\/p>\n

1.2<\/p>\n

This Standard covers installations in new construction and, where applicable, in installations that are part of an existing system.<\/p>\n

<\/p>\n

1.3<\/p>\n

This Standard covers equipment requirements, system design, equipment selection, minimum installation requirements, and information to be provided to the owner.<\/p>\n

<\/p>\n

1.4<\/p>\n

In CSA standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; 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 standard.<\/p>\n

<\/p>\n

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.<\/p>\n

<\/p>\n

Notes to tables and figures are considered part of the table or figure and may be written as requirements.<\/p>\n

<\/p>\n

Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.<\/p>\n

<\/p>\n

1.5<\/p>\n

The values given in SI (metric) units are the standard. The values given in parentheses are for information only.<\/p>\n","protected":false},"excerpt":{"rendered":"

Installation of air source heat pumps and air conditioners (Including revision history of 2011)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
CSA<\/b><\/a><\/td>\n2011-02-01<\/td>\n22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":518976,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[458,2674],"product_tag":[],"class_list":{"0":"post-518959","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-27-080","7":"product_cat-csa","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/518959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/518976"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=518959"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=518959"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=518959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}