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See Chinese contents: GB/T 25127.1-2020 GB/T 25127.1-2020: Low ambient temperature air source heat pump(water chilling) packages -- Part 1: Heat pump(water chilling) packages for industrial and commercial and similar application
This Part of GB/T 25127 specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage of low ambient temperature air source heat pump (chilling water) packages (hereinafter referred to as and quot;packages and quot;), which are driven by motors for industrial or commercial and similar applications. This Part is applicable to packages with a nominal heating capacity greater than 35 kW, using air as the heating (chilling) source, capable of producing hot (cold) water at an ambient temperature not lower than -25 °C. Other similar packages may refer to this for implementation.
