NTC thermostat HTW-21-F19

programmable24VAC230VAC

Programmable LCD display digital thermostat-HTW-21-F19 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 •Special design for HVAC industry. •LCD display shows optional mode, time, setting value and real-time data. •Back light optional: Blue and Green and White •Professional Control Equipment •It is used to control fan coil unit, motorized valve Wall Stove, building management control system. Technical parameters •Fashionable design, luxury appearance •Power Supply: 24VAC OR 230VAC 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. •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 ELS Auto-control building system. •Normally close/open has no connection signal output but connects master system.