NTC thermostat HTW-21-F18

programmable220VAC24VAC

Programmable touch screen thermostat for fan coil unit-HTW-21-F18 series are used to control room temperature in commercial,industrial and residential environment via controlling fan coil units and motorized zone valves, motorized fan and valves of heating/cooling central air-condition and system thereof,and uses NTC to detect the room temperature and compares it with desired setpoint so as to maintain the correct temperature. >>Features •Large LCD display and Blue or White or Green Back-light. •Four Fan Speeds: High, Med, Low, Auto. •High reliable stand-alone microprocessor increases anti-jamming ability. •Fahrenhait or centigrade.(optional). •5+1+1 temperature set-point programmable and timing turn on/off.(optional). •A week was divided into work days, Saturday and Sunday, every day four time sects. •Remote communication can be matched with BMS Auto-control building system. •Normally close/open has no connection signal output but connects master system. >>Technical parameters •Fashionable design, luxury appearance •Power Supply: 24VAC OR 220VAC or other •Work Ambient: -10~60, relative humidity ≤ 95% RH •Simulation Output: 0-10 V or 4-20 MA/ Floating •Remote communication can auto-control building system •Digital output is direct/indirect control. •Advance comfortable calculation.