{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/alex89rm/Hisense-H-NET-Protocol/blob/8def3abd2c11df3e010b66409a80b9578abde891/docs/H-NET_PROTOCOL.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Hisense/Hitachi H-NET-Protocol investigates the H-NET bus used by Hi-Therma and Air H₂O 400 heat pumps. Its documentation maps controller connections on an AHZ-080HCDS1 unit and describes the two-wire HBS signaling, frame fields and checksums.",
  "description_zh": "Hisense/Hitachi H-NET-Protocol 研究 Hi-Therma 和 Air H₂O 400 热泵使用的 H-NET 总线。文档记录 AHZ-080HCDS1 的控制器接线，并说明双线 HBS 信号、消息帧字段及校验方式。",
  "entry_url": "https://awesomerea.org/resources/hisense-h-net-protocol-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/hisense-h-net-protocol-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/alex89rm/Hisense-H-NET-Protocol/blob/8def3abd2c11df3e010b66409a80b9578abde891/README.md",
  "group": "cases",
  "id": "hisense-h-net-protocol-case",
  "json_url": "https://awesomerea.org/resources/hisense-h-net-protocol-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/hisense-h-net-protocol-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/hisense-h-net-protocol-case/index.md",
  "name": "Hisense/Hitachi H-NET-Protocol: investigating heat-pump bus signaling",
  "name_zh": "Hisense/Hitachi H-NET-Protocol：解析热泵总线信号",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "The documented test unit is a Hisense AHZ-080HCDS1 heat pump.",
    "The custom Home Assistant component is planned.",
    "No licence file in the repository."
  ],
  "requirements_zh": [
    "文档所用测试设备为 Hisense AHZ-080HCDS1 热泵。",
    "自定义 Home Assistant 组件仍处于计划阶段。",
    "仓库中没有许可证文件。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/alex89rm/Hisense-H-NET-Protocol",
  "verification": "source-reviewed",
  "verified_at": "2026-11-07"
}
