Ammonia Operator 1
Ammonia Operator 1 is where you should begin your training into industrial refrigeration concepts. This class will ensure or help give you confidence to operate an ammonia refrigeration system. If operations is not your plan but just to oversee the system from management or safety perspective then this could also be the right course, however if you are wanting a shorter simplified version please see this link for our introductory course. Even though our focus is using ammonia as a refrigerant, everything this course entails is true to refrigeration. This class is available in person and online. We suggest that each candidate for this class have at least 6 months experience in your company’s in-house training program and has spent time doing rounds and basic maintenance needs to the ammonia refrigeration system. Even if the candidate has 20 years’ experience, but lacks the paperwork to back up that knowledge, we suggest they begin at this level. We call this certification R-717 Operator 1.
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Successful students have backgrounds and/or experience in mechanics, construction, plumbing, electrical, safety, or any blue-collar craft. Aptitudes needed for success are basic mathematics, observation, applied technology, locating information, and reading for information. The class in person is a 4-day session and online you have six months to complete. Candidates who score well on ARTS certification test provided at the end of the course tend to do well on the RETA CARO, TPC, and NUILPE certifications too. All ARTS certifications are active for three years and carrier of those credentials must follow all company and regulator procedures. This course entails a copy of the latest edition industrial ammonia refrigeration book hand selected by ARTS. This book is for the student to keep and reference not only during the class but their entire career. Topics to be covered are as follows:
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Ammonia Safety
- What happens when we don’t keep it in the pipes and how to safely work with ammonia as a refrigerant
- PEL
- IDLH
- LEL
- UEL
- Ammonia Leaks
- Ammonia Clouds
- Classifications
- Respirators
- SCBA
- Decontamination
- Benefits of Ammonia
- Injuries
- Water and NH3
- NFPA Requirements
- Finding Leaks
- Ammonia Hoses
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PSM/RMP Regulatory Awareness / Requirements
- OSHA – PSM
- OSHA – Safe Work Practice
- OSHA – Respiratory Protection
- OSHA – HazWoper
- OSHA – General Duty
- EPA – RMP
- EPA – General Duty
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Best Practice / RAGAGEP Awareness and Requirements
- IIAR
- ASHRAE
- ASME
- NFPA
- IMC
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Basic Refrigeration Cycles
- Evaporation
- Compression
- Condensation
- Metering
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Advanced Refrigeration Cycles
- Multiple Feed Headers
- Parallel Compression
- Two – Stage Compression
- Cascade Systems
- Economizer Systems
- Swing Systems
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Thermodynamics
- 8 Effects of Heat Transfer
- Laws of Thermodynamics
- Pressure
- Pressure Scale Conversion
- Positive/Negative Pressure Systems
- Temperature
- Pressure / Temperature Relationships
- Saturation
- Superheating
- Subcooling
- Heat Transfer Types
- Latent Heat
- Sensible Heat
- Insulation
- Conductivity
- Specific Heat
- Simple Heat Loads
-
Bedrock Understandings
- Tonnage
- Pipe Labels
- Valve Tags
- Open loop cycles vs closed loop
- Secondary Coolants
- Colored piping/insulated systems
- Types of Valves
- Adjusting valves
- Emergency valves
- Turning valves
- Oil draining
- Rounds / Walkthroughs
- Troubleshooting skills
- Exhaust fans
- E-Stops
- Emergency Shutdowns
- Block Flow Drawings / P&IDs
- Pressure vs Velocity
- Flow Characteristics
- Pump down / Pump Outs
- Venturi Effect
- Benulis Principle
- Industrial Halocarbons
-
Industrial Refrigeration Cycles
- Simple Single Stage Systems
- Complex Two Stage Systems
- Simple Two Stage Systems
- Complex Two Stage Systems
- Parallel Compression Systems
- CPR Systems
- Thermosyphon Systems
- Liquid Injected Systems
- DX Systems
- Overfeed Systems
- Hydraulically pumped
- Pneumatically transferred
- Flooded / Gravity Systems
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Evaporator Types
- Air Exchange
- Liquid Exchange
- Product Exchange
- Ice Machines
-
Compressor Packages
- Reciprocating
- Screws
- Single Screw
- Twin Screw
- Oil Separation types and methods
- Oil cooling types and methods
- Vanes
- Capacity Control
- Load / Unload attributes and engineering
- Heat of Compression
- CFM / Ton & HP / Ton
- Slugging
- Troubleshooting Oil separators
- Scroll Compressors
-
Condensers
- Air
- Water
- Evaporative
- Adiabatic
- Water Treatment types
- Air / Non-Condensable Effect
- Checking for Foul Gas
- Manual Purge processes
- AUTO Purgers
-
Refrigeration Scope
- Trouble shooting industrial mechanical systems
- Normal to Abnormal
- Cause and Effect
R-717 Ammonia Operator 1 Training
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