本文件规定了确定空气季节性性能特征的试验条件 带或不带电动压缩机的空间供暖用源热泵热水器 辅助加热器。本文件旨在评估热泵水的性能 用于空间供暖的加热器，无需运行任何辅助加热器。就热泵而言 空间供暖用热水器由多个带有制冷剂或水连接件的部件组成 本文件仅适用于作为完整包装设计和供应的产品。购买本文件时可获得的所有当前修订均包含在购买本文件中。

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.All current amendments available at time of purchase are included with the purchase of this document.