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FRESH AIR CONTROL FOR A TRANSPORT REFRIGERATION UNIT

  • US 20170136848A1
  • Filed: 06/03/2014
  • Published: 05/18/2017
  • Est. Priority Date: 11/25/2013
  • Status: Active Grant
First Claim
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1. A method to control a transport heating, ventilation, and air conditioning (HVAC) system having a fresh air intake, comprising:

  • monitoring one or more of an air quality, a set point temperature, and an ambient temperature;

    determining whether a fresh air condition is met based on the monitoring;

    opening a fresh air damper when the fresh air condition is met; and

    increasing an evaporator fan speed in response to opening the fresh air damper,wherein the fresh air condition includes a minimum air quality threshold, the fresh air condition being met when the monitoring identifies an air quality that is below the minimum air quality threshold.

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