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S-Bus Enthalpy Sensor - Outside, supply or return air

C7400S1000/U

S-Bus Enthalpy Sensor - Outside, supply or return air

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Overview

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

Features

  • This unit mounted C7400S enthalpy sensor includes solid state temperature and humidity sensors.
  • Outputs a digital communicating signal on a two-wire Sylkbus 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° 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.
  • UL recognized component (Guide info XAPX).

Product Specifications

Application
Provides Honeywell SYLK Bus signal in relation to enthalpy - 5% accuracy Sensor for A SOLID STATE ENTHALPY SENSOR DESIGNED TO SENSE TEMPERATURE AND HUMIDITY WITH 5% ACCURACY. USE WITH W7220 ECONOMIZER CONTROL, FOR USE IN OUTDOOR AIR INTAKES OF HVAC ROOFTO
Dimensions (in.)
4.25 in high x 2.17 in wide x .81 in deep
Dimensions (mm)
108 mm high by 55mm wide x 20.5 mm deep
Used With
W7220
Item Type
Product
Mounting
Mounted in any position where it is exposed to freely circulating air
Approvals, Underwriters Laboratories Inc.
Component Recognized
Electrical Connections
2-pin header-pin style or 2-pin card edge removable terminal blocks
Operating Humidity Range (% RH)
10 to 90% RH
Sensor
7-21Vdc
Operating Temperature Range (F)
-40 F to 150 F
Operating Temperature Range (C)
-40 C to 66 C
Color
Gray
Ambient Temperature Range (F)
150 F Maximum
Ambient Temperature Range (C)
66 C Maximum