Operator II (NH3CO) – CIRO Review Course

Class Length

4 Days - 32 Hours

---

Inclusive Cost

$1,750 - per student.

Includes lunch each day, Test and Training Certification upon completion.

Paid Registration must be 3 weeks in advance to hold your seat.

---

Class Summary

This advanced course is designed for experienced ammonia refrigeration operators, managers, and plant engineers looking to deepen their expertise. Building on foundational knowledge, it covers complex topics like PSM for operators, advanced refrigeration systems, and electricity fundamentals, preparing students for the CIRO test and enhanced job performance.

---

Prerequisites

• 2 Years of Experience for the CIRO Exam

  ---

Training Materials

This training is based on RETA Industrial Refrigeration II Training Manual (IR-ll) and builds on the information in IR I. The student is introduced to insulation systems, the Mollier Diagram, psychrometrics, liquid feed methods, compressor types, complex refrigeration systems, and defrost methods.

Students will receive a Hard Copy Workbook, along with the RETA IR-II Manual for reference material.

---

Included Training Topics

• PSM for Operators
  • Mechanical Integrity
  • Management of Change and Pre-Startup Safety Review (Per Facility Procedure)- Changing setpoints. Changing a new compressor, Changes Daily rounds sheet, SOPS parameters
• Operator Training
  • SOPS vs ESOPS, MIPS
  • Incident Investigations
  • LOTO/Line Break/Confined Space/Hot work
• SDS
• Heat Flow in Refrigeration Systems
• Psycrometric Chart
• Low side Valves and Controls
  • Valve Control Systems, how to operate them. Regulators, gas stop check valves
• DX Systems (1 1/2 hour)
• Liquid Overfeed of Systems (2)
  • Differential pressure
  • Top fed, bottom fed, pipe sizing.
  • Oil removal
  • Can pumps
  • Pumper Drums
• Gravity Flooded Systems (1 hour)
• Secondary Coolant Systems (1 hour)
  • Glycol
  • CO2
  • Plate and Frames
  • Utectic Points
• Low Temperature Systems (Two Stage Systems)
  • Booster compressors
  • Physical characteristics of low temperature systems
  • Efficiency - Horsepower Savings
  • Intercoolers
  • Booster gas desuperheater
  • 2 Stage Non-Condensibles
  • Direct Expansion
  • CO2 / NH3 Systems Cascade System
  • CO2 Pump Recirculation
  • Vacuum cooling
  • Evaporator Defrost
• Basic Electricity I
• Basic Electricity II – Ladder Diagrams
• Mollier Diagrams
• PREPARATION FOR CIRO TEST

The student is introduced to insulation systems, the Mollier Diagram, psychrometrics, liquid feed methods, compressor types, complex refrigeration systems, and defrost methods.

---

Classroom Type

This is a 4 day (32-hour) comprehensive training course to ensure you know and understand the content of this training.

This training is LIVE at the NH3 Training Center of Texas, LLC (Montgomery Texas) with a field trip to a local Ammonia Refrigeration facility for the Hands-On-Demonstration.

Classroom minimum is 10 students and a maximum of 20. NH3 Training Center of Texas, LLC may cancel this session if the participation goal isn’t met.

The key to the success of this training program is to ensure you will have the necessary knowledge and skill set to perform your job with integrity and quality. Therefore, you will be given Tests throughout the training, to ensure you have learned the materials.

NH3 Training Center of Texas, LLC shall ascertain that each Student has received and understood the training. NH3 Training Center of Texas, LLC will prepare a record which contains the identity of the student, the date of training, and the means used to verify that the student understood the training.

---

Trainer Experience

NH3 Training Center provides qualified and experienced trainers in Industrial Refrigeration Processes. Our trainers are experienced in Industrial Boiler I and II, Industrial Refrigeration Operator I, II, and PSM/RMP. Our Refrigeration Trainers bring over 30 years of combined years of refrigeration experience, that includes maintenance, starting up new refrigeration systems, revamping an existing system, and day-to-day operations.

---

Questions on this class?

Reach out to us directly. Our team is happy to help - Contact Options.