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Full Description

Included Update No. 1.

1.1 The purpose of this Standard is to establish the following for large and single packaged vertical air conditioners and heat pumps: (a) definitions; (b) classifications; (c) test requirements; (d) rating requirements; (e) minimum data requirements for published ratings; (f) operating requirements; (g) marking and nameplate data; (h) conformance conditions; and (i) minimum efficiency levels.

1.2 This Standard applies only to electrically driven, mechanical, vapour-compression-type systems charged with one of the refrigerants listed as Group 1 in CSA B52.

1.3 This Standard applies to equipment rated above 19 kW (65 000 Btu/h) cooling or heating capacity at standard rating conditions for both single- and three-phase electrical power supplies. All sizes of single packaged vertical air conditioners and heat pumps are covered in this Standard. Note: See Tables 1 to 3 for classifications of air conditioners, heat pumps, and air-conditioning condensing units.

 

Document History

  1. CAN/CSA C746:23


    Energy performance rating for large and single packaged vertical air conditioners and heat pumps

    • Most Recent
  2. CAN/CSA C746-17 (R2022)


    Energy performance rating for large and single packaged vertical air conditioners and heat pumps

    • Historical Version
  3. CAN/CSA C746-06 (R2016)

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    viewing


    Performance Standard for Rating Large and Single Packaged Vertical Air Conditioners and Heat Pumps

    • Historical Version
  4. CAN/CSA C746-98 (R2004)


    Performance Standard for Rating Large Air Conditioners and Heat Pumps

    • Historical Version