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Programmable Zone Sensor * American Standard ASYSTAT666B This is the model that is for sale.
Description:7 Day Programmable Zone Thermostat For Constant Volume (CV) And Heat Pump (HP) Units Trane, American StandardDescription:This 7 day programmable sensor features 2,3 or 4 periods for Occupied or Unoccupied programming per day. If the power is interrupted, the program is retained in permanent memory. If power is off for an extended period of time, only the clock and day may have to be reset.The Zone Sensor allows selection of four system modes (Heat, Cool, Auto, and Off), two fan modes (On and Auto). It has dual temperature selection with programmable start time capability.The occupied cooling set point ranges between 45 and 98 degrees Fahrenheit.The heating set point ranges between 43 and 96 degrees Fahrenheit.A liquid crystal display (LCD) displays zone temperature, temperature set points, day of the week, time, and operational mode symbols.The Option Menu is used to enable or disable applicable functions, i.e.; Morning Warm-up, Economizer minimum position override during unoccupied status, Fahrenheit or Centigrade, Supply air tempering, Remote zone temperature sensor, 12/24 hour time display, Smart fan, and Computed recovery.During an occupied period, an auxiliary relay rated for 1.25 amps @ 30 volts AC with one set of single pole double throw contacts is activated.