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Ammonia Refrigeration Basics

Covers all aspects of using ammonia as a refrigerant. Describes both single-stage and two-stage ammonia systems. Explains the importance of accumulators and intercoolers in ammonia refrigeration. Concludes with coverage of liquid recirculation system operation.
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$75

USD

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5 hours
Start Date: Open enrollment

Purging, Piping, and Safety

Explains the effects of noncondensables on an ammonia system and the importance of their removal. Covers a wide range of piping considerations-sizing, flow rate, pressure drop, and others. Concludes with a thorough coverage of safety codes and programs, including..
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$75

USD

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5 hours
Start Date: Open enrollment

Positive Displacement Compressors

Begins with coverage of reciprocating compressors-their design, lubrication, efficiency, and application. Covers rotary vane compressor operation and limitations. Details screw compressors and the operation of related drive, lubrication, capacity control, and safet
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$75

USD

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5 hours
Start Date: Open enrollment

Evaporators, Condensers, and Controls

Covers gravity feed, overfeed, dump trap, CPR, and DX supply systems. Describes evaporator and evaporative condenser design, selection, and operation. Discusses various defrost systems-hot gas, electric, water, and glycol spray. Examines stop, shutoff, relief,...
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$75

USD

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5 hours
Start Date: Open enrollment

The Refrigeration Cycle

Introduces the basic concepts needed for an understanding of refrigeration. Traces the basic refrigeration cycle. Explains the concepts of heat, temperature, humidity, dewpoint, enthalpy, and simple psychrometrics. Concludes with a lesson on the tools and instrumen
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$75

USD

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5 hours
Start Date: Open enrollment

Absorption Chillers

Covers the basic principles of absorption refrigeration as compared to mechanical refrigeration. Introduces absorption terminology and common absorption fluid pairs. Examines water/lithium bromide systems, ammonia/water systems, and evolving systems. Concludes with
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$75

USD

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6 hours
Start Date: Open enrollment

HVAC&R 7-Condensers-Maint. and Troubleshooting

HVAC&R: Condensers - Maintenance & Troubleshooting is part seven of the HVAC&R seven-part training series. The course describes basic condenser functions and operations, including the three most common types of condensers air-cooled, water-cooled, and...
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$25.95

USD

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1 hours
Start Date: Open enrollment

$9

USD

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0.10 hours
Start Date: Open enrollment

HVAC&R 3-Air Handlers-Calibration

HVAC&R: Air Handlers - Calibration is part three of the HVAC&R seven-part training series. The course focuses on calibration of dampers and safety systems. It discusses the need for system cutoffs to protect against smoke and fire as well as the need for prope
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$24.95

USD

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1 hours
Start Date: Open enrollment

$9

USD

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0.10 hours
Start Date: Open enrollment
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