The W1209 digital thermostat manual provides setup, operation, and parameter settings for temperature control from -50 °C to 110 °C.
About this manual
The W1209 is a DC 12 V LED digital thermostat module with a single‑channel relay output (10 A). It measures temperature with an NTC sensor and can operate in heating or cooling mode over a range of -50 °C to 110 °C.
The manual explains how to connect power, use the SET, "+" and "-" keys to adjust temperature set‑points, hysteresis, limits, correction, delay start, alarm functions, and how to restore factory defaults. Indicator LEDs show relay status and sensor errors.
What's inside
- Product Description
- Connection and Power Supply
- Indicator LEDs
- Parameter Settings
- Temperature Limits
- Temperature Correction
- Delay Start Time
- Temperature Alarm
- Factory Reset
