Advanced RETA Refresher

GCAP’s Advanced RETA Refresher Competencies 

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Prerequisite: Suggest prior Ammonia Operator 1 and/or Ammonia Operator 2 Credentials

This class is designed to be a refresher for any individual that is looking to attempt RETA Certification credentials such as the CARO (Certified Assistant Refrigeration Operator) or the CIRO (Certified Industrial Refrigeration Operator).  Individuals can also take this class as an overview refresher without sitting for the exams.

If a student was to take GCAP’s Ammonia Operator 1 Course that would be preparing for the CARO.  If a student was to take GCAP’s Ammonia Operator 2 Course that would be preparing the the CIRO and would be no need to take this class if sitting for those exams following the particular course.  This course is for individuals whom have have past experience, training and are now trying to sit for the exams and would like a review/refresher before taking the test. Also, many certifications/licenses across the country require continue education credits.  This class can meet what most require.

We suggest that you bring you past Ammonia Operator 1 and 2 books and the course will be supplemented with the book “Seeing Industrial Refrigeration from the Inside Out”. The class will be studying from multiple sources to prepare for the optional certification(s).  If you don’t have any prior books contact our office.

GCAP will provide several supplemental handouts, refresher exams,  study questions, and  RETA’s Online practice exam for the CARO/CIRO exams.  Participants will have the option of sitting for the RETA CARO or CIRO Examination on the last day of class  (must meet RETA requirements for testing). For RETA requirements and testing fees please contact our office.

Day 1: Review/Refresh

  • Safety
  • PSM/RMP
  • Ammonia as a Chemical
  • Heat Transfer
  • Saturated / Superheated / Subcooling (Measurements)
  • Compressor Applications
  • Condensers
  • Purging
  • Refresher Exam of Ammonia Operator 1 material

Day 2: Review/ Refresh

  • Troubleshooting Screens
  • Liquid Feed(s) to Evaporators
  • Defrost
  • Enthalpy
  • Psychometric
  • Brake Horse Power (BHP)
  • Kilowatts (Kw)
  • Power Cost in Dollars
  • HP/TON
  • Kw/TON
  • RETA Online Practice Exam

Day 3: Review / Refresh

  • Electrical Schematics
  • Ladder Diagrams
  • Compression Ratio Calculations
  • Practice Questions relating to CIRO Screen and Calculations
  • Test for Certification

advanced reta refresher

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