Installation and operation guide for Rinnai JSQ22‑66FY, JSQ26‑66FY and JSQ31‑66FY gas instant water heaters.
This manual provides complete instructions for the Rinnai JSQ22‑66FY, JSQ26‑66FY and JSQ31‑66FY gas instant water heaters. It covers device parts, operation panel functions, first‑use procedures, normal operation, Wi‑Fi setup, safety precautions, installation steps, remote‑control mounting, fault diagnosis and maintenance.
The guide also lists product specifications, dimensions, internal component diagrams and electrical wiring diagrams, helping both end‑users and qualified installers to set up and safely operate the water heaters. This manual is written in Chinese.
| Gas type | Natural gas |
|---|---|
| Rated gas pressure | 2000 Pa |
| Rated heat output | 21.5 kW (JSQ22‑66FY), 25.5 kW (JSQ26‑66FY), 30.5 kW (JSQ31‑66FY) |
| Rated water production | 11 kg/min (JSQ22‑66FY), 13 kg/min (JSQ26‑66FY), 16 kg/min (JSQ31‑66FY) |
| Dimensions (W×H×D) | 336×489×150 mm (JSQ22‑66FY), 380×532×150 mm (JSQ26‑66FY) |
| Net weight | 11 kg (JSQ22‑66FY), 12.5 kg (JSQ26‑66FY), 13 kg (JSQ31‑66FY) |
The heater includes flame detection, anti‑flame safety, water‑level sensor, boiling‑prevention, temperature fuse (150 °C), pressure safety valve, residual‑flame prevention, over‑current fuse (2 A) and other safety mechanisms.