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Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating
| 분야 | ISO/TC 86/SC 6 : Testing and rating of air-conditioners and heat pumps |
|---|---|
| 적용범위 | The document specifies test conditions for determining the seasonal performance characteristics of air source heat pump water heaters for space heating with electrically driven compressors with or without supplementary heater. The purpose of this document is to rate performance of the heat pump water heaters for space heating with no operation of any supplementary heater. In the case of heat pump water heaters for space heating consisting of several parts with refrigerant or water connections, this document applies only to those designed and supplied as a complete package. The seasonal coefficient of performance depends, inter alia, on the climate conditions and temperature regime of the space heating distribution network. This document defines: — three design conditions, each of them being characterized by a design temperature which represents the lowest temperature that can occur in that design condition; — three water temperature distribution regimes, namely "temperature application" in the text. The user of this document is free to determine the seasonal coefficient of performance for one or more of the defined design conditions and for one or more of the defined temperature applications. This document also provides a full description of three heating seasons that can be used with the associated design conditions. |
| 국제분류(ICS)코드 | 27.080 : 열펌프 |
| 페이지수 | 47 |
| Edition | 1 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 21978:2023 | Air to water heat pumps — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating | 2023-12-01 | 표준 |
| 2 | ISO 21978:2021 | Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating | 2021-02-03 | 구판 |
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