BS EN 12977-2:2018适用于住宅建筑和类似应用中带有液体传热介质的小型和大型定制太阳能加热系统，并给出了验证EN 12977-1:2018中规定要求的试验方法。本文件还包括通过组件测试和系统模拟对小型定制系统进行热性能表征和系统性能预测的方法。此外，本文件包含大型定制系统的热性能表征和系统性能预测方法。交叉引用:EN 16297-1EN 1991-1-4EN 809IEC 60335-1EN 1991-1-3EN 806-1EN 60335-1EN 307ISO/TR 10217EN 12976-2:2017EN 12975-1:2006+A1:2010ISO 9488:1999EN ISO 9806:2013ISO 9459- 5:2007 Ed 1ISO 9806:2013EN 12976-1:2017EN 12977-3:2018EN 12977-1:2018BS EN 12977-1:2018EN 12977-4:2018EN 12977-5:2018EN ISO 9488（采用ISO 9488:1999）BS 5918:1989EN 60335-2-21:2003EN 12897IEC 60335-2-21购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS EN 12977-2:2018 applies to small and large custom built solar heating systems with liquid heat transfer medium for residential buildings and similar applications, and gives test methods for verification of the requirements specified in EN 12977-1:2018.This document also includes a method for thermal performance characterization and system performance prediction of small custom built systems by means of component testing and system simulation.Furthermore, this document contains methods for thermal performance characterization and system performance prediction of large custom built systems.Cross References:EN 16297-1EN 1991-1-4EN 809IEC 60335-1EN 1991-1-3EN 806-1EN 60335-1EN 307ISO/TR 10217EN 12976-2:2017EN 12975-1:2006+A1:2010ISO 9488:1999EN ISO 9806:2013ISO 9459-5:2007 Ed 1ISO 9806:2013EN 12976-1:2017EN 12977-3:2018EN 12977-1:2018BS EN 12977-1:2018EN 12977-4:2018EN 12977-5:2018EN ISO 9488 (ISO 9488:1999 Adopted)BS 5918:1989EN 60335-2-21:2003EN 12897IEC 60335-2-21All current amendments available at time of purchase are included with the purchase of this document.