The TX-400 programmable thermostat is an energy-saving, intelligent and practical product that can control the operation of the boiler to keep the room at a comfortable temperature while reducing the energy consumption of the boiler.
This manual covers the installation of the TX-400 thermostat, how to set up weekly heating programs, and how to adjust temperature settings for each time slot. It also provides troubleshooting steps for common errors and guidance on battery replacement.
The TX-400 can store heating schedules even after power loss, supports up to six temperature periods per day, and offers special functions such as multi‑day and single‑day modes to reduce energy consumption. This manual is written in Japanese.
| Temperature range | 5 °C – 30 °C |
|---|---|
| Minimum temperature step | 0.5 °C |
| Program periods per day | 6 |
| Battery type | AA LR6 |