This manual describes the features and safety functions of the Rinnai JSQ22‑K/JSQ32‑K forced‑exhaust water heaters, including micro‑computer control, automatic water‑quantity control, and multiple safety protections. It also explains the device’s specifications such as power ratings, temperature‑setting range, and minimum water pressure.
The guide covers step‑by‑step installation, initial startup procedures, how to adjust temperature and water‑quantity settings, and how to interpret fault codes. Maintenance tips, common fault identification, and troubleshooting methods are also provided to help users keep the heater operating safely and efficiently. This manual is written in Chinese.
| Minimum working water pressure | 0.5 kgf/cm² |
|---|
Use the temperature‑adjust knob and the temperature‑memory switch to select a setting between 35 °C and 60 °C in 16 steps.
Turn the main switch to the “IN” position, open the water‑inlet valve, plug in the power cord, then open the hot‑water tap to confirm water flow.
The system automatically increases the gas flow and activates safety protection, displaying a fault code on the LCD.