This manual covers safety precautions, proper installation, and usage of the Rinnai JSW series gas water heater. It explains the device's features such as automatic water‑quantity control, FF/FB temperature regulation, low‑emission combustion, and diagnostic functions.
Detailed sections describe remote‑control operation, temperature setting (37 °C‑65 °C), minimum water flow, and maintenance procedures, including exhaust pipe checks, high‑temperature warnings, and troubleshooting steps. This manual is written in Japanese.
| Model numbers | JSW46-A2426WD, JSW46-A2426W, JSW39-A2024WD, etc. |
|---|---|
| Minimum water flow | 0.1 kgf/cm (1.5 L/min) |
| Maximum remote controls | 4 |
| Internal power voltage | 220 V |
Up to four remote controllers can be linked simultaneously.