T/GDC 204-2022 The technical requirements and testing methods for indoor heat pump water heaters using R290 as a refrigerant
T/GDC 204-2022 The technical requirements and testing methods for indoor heat pump water heaters using R290 as a refrigerant
Basic Information
Scope
Scope: This document specifies the terms and definitions, product classification, technical requirements, and test methods for indoor heat pump water heaters (hereinafter referred to as R290 heat pump water heaters) using R290 as the refrigerant. This document applies to motor-driven heat pump water heaters using propane (R290) as the refrigerant, installed indoors, using air as the heat source, with a rated refrigerant charge of no more than 152g, and intended for providing hot water for household and similar purposes. This document does not apply to outdoor household heat pump water heaters and industrial heat pump water heaters. Main technical content: Product classification, technical requirements, and test methods for indoor heat pump water heaters using R290 as the refrigerant.