C447-94 (R1999)

1.1 This Standard applies to unitary single-package or split-system liquid-source heat pumps for commercial, institutional and industrial buildings over 1400 m² (15,000 ft²), using ground-water, surface water or earth as a heat source and/or sink for heating and/or cooling with or without a supplementary heating or cooling system. 1.2 This Standard also applies to mechanical vapour compression systems charged with one of the refrigerants listed in Group A1 of CSA Standard B52, Mechanical Refrigeration Code. 1.3 This Standard applies to new and retrofit installations, or additions to existing installations. 1.4 This Standard covers minimum requirements for equipment and material selection, site survey, system design, installation, testing and verification, documentation, commissioning and decommissioning. 1.5 The values given in SI (metric) units are the standard. The values given in parentheses are for information only.