CAN/CSA-C445-M92

1.1 Applies to unitary or split system liquid source heat pumps with a maximum standard rated output of 35 kW per unit for residential applications and other small building applications of up to and including 1400 m² (15 000 ft²), using surface or ground water or coupled to an earth or lake loop as a thermal source or sink for the heating and/or cooling with or without a supplementary heating source. 1.2 Applies to new and retrofit installations, or additions to existing installations. 1.3 Applies to system design, equipment selection, minimum installation requirements, test protocol, and information to be provided to the user and the equipment manufacturer. 1.4 The values given in SI (metric) units are the standard. The values given in parentheses are for information only.