Enthalpy Sensor Any Position -40 to 150 Degrees Fahrenheit

Digital enthalpy (humidity/temperature) sensor for use with S-Bus devices and W7220 economizer controller.

• This unit mounted C7400S enthalpy sensor includes solid state temperature and humidity sensors
• Outputs a digital communicating signal on a two wire Syllabus communications link, reporting the temperature and humidity separately to the controller
• The controller determines the enthalpy (total heat), enabling economizer modes of operation when outside air enthalpy is suitable for free cooling
• Enthalpy sensors are compatible with Honeywell economizer systems
• When used with an economizer, the enthalpy boundary curve is programmed via the controller
• When the temperature and humidity are determined to be suitable based on the relationship to the boundary, the controller allows outside air for economizing
• Ambient temperature operating range from -40 to 150 deg F
• Dual enthalpy sensors in outside air and return switches the controllers to economizer mode of operation anytime the outside enthalpy is less than the return air enthalpy
• Used with W7220
• 2-pin header-pin style or 2-pin card edge removable terminal blocks