ST-2800EC is a programmable touch screen PID temperature controller. This thermostat is designed to control EC motor fan and modulating valves in AC system. Modes are available for heating/ cooling/ ventilating or auto for 2-pipe or 4-pipe fan coil unit. It's easy to install and operate. It adapts to commercial, residential or industrial applications. WiFi or Modbus communicating is optional.
Features:
Fashionable and good designe appearance
Detect and Display Room Temperature
Large LCD display touch screen
External sensor
Cool, heat, ventilating and auto mode
3-speed fan and auto mode control
7+4 periods programming
2-pipe or 4-pipe fan coil unit
Connect 2-wire or 3-wire valves
Key lock function to avoid mistake operation
Celsius (°C)/Fahrenheit (F°) set
Specifications:
Power Supply
100-240VAC, 50/60Hz
Self comsumption
<1W
Load current
Max 3A
Setpoint Range
1-50°C ( Default 16-30°C)
Set Unit
1°C/step
Display Accuracy
±0.1°C
Networking
Modbus RS485 or WiFi
Fan type
EC motor fan
Outputs
0-10V output
Temperature Sensor
NTC 10K
display
Touch screen LED display
Enclosure
Fire proof ABS, black or white color
Ambient Condition
-10°C~60°C, 5-95% RH (non-condensing)
Dimension
Display board:86*86*8.2mm
Mounting
Wall mounted with standard EU box
Wiring
Terminal block max. 1.5 mm²
Installation hole distance
60mm
Protection
IP20 according to EN60529
Wiring diagram: