Application The HL116 series thermostats are designed to on/off control the fans, valves, dampers or electric heaters in fan coil units and heating applications.Typical usd:In conjunction with* Commercial buildings* Zone valves* Residential buildings* Thermal valves* Light industrial buildings* Fans Features * Surface mounting * Mode: Cool, Heat and Vent. * Digital LCD display * Blue backlight * Manual three-speed fan switch * Low temperature protection * Reliable output by relays * Fahrenheit or Centigrade selection Technical dataTemperature Range:5 35°CSwitching Differential:Approx.±1Power Supply:230Vac±10%, 50/60HzOperating Voltage:230Vac±10%, 50/60HzCurrent Load:0.8A run, 5A inrushSensing Element:NTCTerminals:0.5 2 sq. mm cableOperating Temperature:0 45°Storage Temperature:-20 55°Operating Humidity:5 90%Dimension:86x86x23mm (H x W x D)