This is a household gas instantaneous water heater, with a model number of 22-C2A. The product has multiple safety protection functions, such as water temperature over-heating protection, water pressure under-pressure protection, gas pressure over-pressure protection, to ensure safe use.
This manual provides detailed safety warnings and installation instructions for the A.O. Smith JSQ series gas instantaneous water heater. It emphasizes proper ventilation, correct gas connections, and the importance of professional installation to prevent accidents.
The guide also explains operation features such as temperature setting (default 42 °C, adjustable up to 70 °C), CO alarm functions, water flow adjustment, and maintenance procedures, along with warranty and service information. This manual is written in Chinese.
| CO alarm threshold | 10 ppm |
|---|---|
| Rated gas pressure | 2000 Pa |
Close the gas valve, open doors and windows, avoid operating any electrical appliances, and contact the gas supplier immediately.
A green indicator light shows CO concentration is below the set limit, a red light shows it is above the limit, and an orange light indicates a sensor fault.