This manual describes the Haier Q‑B‑J‑1‑130/1.79/0.05‑W/Z water heater, its construction, key features such as a SUS304 stainless‑steel tank and a 130 L capacity, and the model naming scheme. It also lists the warranty terms, with one‑year coverage for the whole unit and three‑year coverage for major components.
The document includes step‑by‑step installation instructions, pipe‑insulation guidelines for cold regions, safety precautions, technical parameters, and a troubleshooting section that helps resolve common issues like no water flow or vacuum‑tube problems. This manual is written in Chinese.