Designed to control the room temperature for VAV terminals with 1X0~10 VDC output to cooling/heating or 2X0~10 VDC outputs to co

1 Designed to control the room temperature for VAV terminals with 1X0~10 VDC output to cooling/heating or 2X0~10 VDC outputs to cooling and heating dampers. Also one or two relay outputs to control one or two stages electric aux. heater. vivian at tongdy dot com

2 LCD can display working status such as room temperature, set point, analog output, etc. Makes reading and operating easy and accurate. 

3 All models feature user-friendly setting buttons 

4 Smart and enough advanced setup makes the thermostat being used in all 

5 Up to two-stage electric aux. heater control makes temperature controlling more accurate and energy-saving.

6 Large set point adjustment, the mini. and max. limit of temperature preset by end users

7 Low temperature protection

8 Celsius or Fahrenheit degree selectable 

9 Cooling/heating mode auto changeover or manual switch selectable

10 12 Hours Timer Option can be preset 0.5~12 hours to turn off the thermostat automatically 

11 Two parts structure and quick wire terminal blocks make mounting easily.

12 Infrared Remote Control (optional)

13 Blue backlight (optional)

14 RS 485 communication interface (optional) makes the thermostat connection with a PC or the center control system