Key facts
- Brand
- Rinnai
- Model
- JSG22-A
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-03-19
Start here

Rinnai JSG32-A/JSG22-A User Manual
This manual covers the features, components and controls of the Rinnai JSG32-A and JSG22-A forced‑exhaust gas water heaters. It explains the micro‑computer control system, safety functions, and how the remote controllers communicate with the unit.
Detailed procedures for first‑time use, normal operation, installation, remote‑controller mounting, troubleshooting, routine maintenance, specifications and wiring diagrams are provided to help users and installers operate the heater safely and efficiently. This manual is written in Chinese.
All Rinnai JSG22-A documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What safety protection functions does the heater have?
The heater includes flame protection, over‑heat protection, over‑pressure protection, fan‑stop safety, over‑current protection, anti‑empty‑burn protection and (for F‑type models) anti‑freeze protection.
What should I do if the heater displays a fault code?
The built‑in diagnostic system will stop the heater safely and show the fault code on the remote controller; refer to the troubleshooting section for code meanings.
