T6390B is a geothermal temperature controller that features °C/°F switching display control, LCD liquid crystal display, mechanical sliding power switch, power failure memory function, temperature compensation function, and outdoor frost protection function.
This manual provides step‑by‑step installation guidance for the Honeywell T6390B2011 thermostat, including wiring, panel mounting, and positioning recommendations. It also explains the device’s operating modes such as heating, frost‑protection, and humidity control.
The document details temperature‑setting procedures, internal configuration options, power‑failure memory behavior, and fault‑diagnosis instructions. Technical specifications such as voltage range, display features, and resolution are listed for reference. This manual is written in Chinese.
| Input Voltage | 220‑240 VAC, 3 A |
|---|---|
| Display | LCD with Chinese interface |
| Memory | EEPROM permanently saves user settings |
| Temperature Range | 0 °C – 40 °C |
| Resolution | 0.1 °C |
Yes, it includes a power‑failure memory function that preserves the last settings.
It requires a 220‑240 VAC supply, up to 3 A.