This document is the user manual of JSQ20/24-E1/E2 type water heater, which introduces the use method, function features, cleaning and maintenance of the water heater.
The manual explains how to install, start, and operate the Haier JSQ series gas water heaters. It describes the control panel keys, temperature setting range (35‑70 °C), and the 50 °C health lock feature that limits high‑temperature settings when water is flowing.
Safety precautions, regular maintenance steps, and troubleshooting guidance are included. The document also lists the technical specifications such as rated heat output, gas pressure, and dimensions for each model. This manual is written in Chinese.
After 60 minutes of continuous operation the heater automatically stops and must be re‑ignited to resume heating.