Monday 30 July 2012

Thermostat Applications & Location


Thermostats make our life more comfortable. They are used widely in HVACR which means heating, ventilation, air conditioning and refrigeration. Major applications of thermostats include:
  1. Temperature control of a room to the comfort level of the occupants
  2. Temperature control of a refrigerator to ensure that food is kept fresh
  3. Temperature control of the operating theatre and a host of other applications

Location of Thermostat

Following point should be kept in mind while deciding the location of thermostat:
  1. It should be located far-off from the room's cooling or heating vents or device. However, it is exposed to general airflow from the rooms to be regulated.
  2. An open hallway may possibly be most appropriate for a single zone system, where living rooms and bedrooms are operated as a single zone.
  3. If the hallway is closed by doors from the regulated spaces then these should be left open when the system is in use.
  4. If the thermostat is too close to the source controlled then the system will tend to "short cycle", and numerous starts and stops can be irritating and in some cases shorten equipment life. A multiple zoned system can save considerable energy by regulating individual spaces, allowing unused rooms to vary in temperature by turning off the heating and cooling. 

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