This manual provides step‑by‑step instructions for installing, operating and maintaining the Ariston JSW series gas water heaters (models JSW48‑Hi7, JSW40‑Hi7, JSW32‑Hi7, JSW48‑Hi7S, JSW40‑Hi7S, JSW32‑Hi7S, JSW40‑Ei7+, JSW32‑Ei7+ and JSW22‑Ei7+). It includes safety precautions, control panel functions, and guidance for both domestic and outdoor installations.
Key topics include initial setup, temperature and water‑flow adjustment, bathtub‑filling mode, fault diagnosis, routine inspection, and a complete specification table for each model. The document also lists optional accessories such as wired controllers (RWC‑HX, RWC‑EX) and remote control units. This manual is written in Chinese.