Features:1) Technical data:a) Power supply: 24VAC, 220VACb) Ambient temperature: -10~60oCc) Relative humidity: &le95%RHd) Inserted temperature Sensor, and remote NTC signale) P, I parameters are adjustable, remote corresponded function can be equippedwith ELS8000 intelligent building system2) Characteristics:a) Digital LCD display, EL backlightb) Adjustable 4-speed or automatic fan speed control, high, medium, low and autoc) Adopt monolithic, high immunityd) Programmable open and close, 5+1+1 programmable controle) 4 daily programs with separate 7 day settingsf) Fahrenheit and centigrade temperature mode selectableg) Connection: RS485h) Low temperature protectioni) Remote control is optional3) Application to HAVC, heating system, fire place, fan coil unit, motorized valve,actuator and intelligent building