HNB Touchscreen Heating & AC Thermostat Controller

TX-937-222D Touch Screen Smart Thermostat

TX-937-222D is a touch screen smart thermostat designed for central air conditioning systems. It controls fan coil unit (FCU) speeds (High/Medium/Low/Auto) and motorized valve switches. The device senses ambient temperature and automatically adjusts room temperature to maintain comfort.

Key Features:

• Controls FCU speeds: High / Medium / Low / Auto

• Controls motorized valve ON/OFF

• Touch screen for intuitive operation

• Anti-cold air function to prevent cold wind on startup

• Low-temperature protection to prevent system freezing

• Child-lock function to prevent unintended operation

• Power-off memory retains last settings

• Adjustable On/Off differential: 1~5℃

Technical Specifications:

• Power supply: 230V AC, 50/60Hz

• Max switching current: 3A

• Ambient working temperature: 0~50℃, <90% RH

• Temperature setting range: 10~35℃

• Terminal block max wiring size: ≤1.5mm²

• Accuracy: ±1℃