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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

$9

USD

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0.10 hours
Start Date: Open enrollment

HVAC&R 2-Air Handlers-Mechanical Systems

HVAC&R: Air Handlers - Mechanical Systems is part two of the HVAC&R seven-part training series. The course describes basic air handler functions and operations, including the functions of the supply and exhaust sides of the system, fans, dampers, filters,...
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$24.95

USD

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1 hours
Start Date: Open enrollment

Condensers and Cooling Towers

Covers the function, construction, and operation of both air- and water-cooled condensers and related devices. Discusses cooling towers and spray ponds, including maintenance and troubleshooting. Includes a lesson on evaporative condensers. Concludes with a discuss
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$75

USD

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5 hours
Start Date: Open enrollment

$9

USD

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0.10 hours
Start Date: Open enrollment

Control Systems

Introduces the need for control, control methods, and system basics. Includes information on self-powered, pneumatic, hydraulic, electric, and electronic systems. Covers various sensors and controlled devices. Covers the basics of two-position, floating, and propor
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$75

USD

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5 hours
Start Date: Open enrollment

Air-Handling Systems

Begins with coverage of airflow basics, including how air moves, types of airflow, and pressure relationships. Compares and contrasts various types of fans and fan motors. Examines types of ducts, fittings, connections, insulation, and terminal devices. Covers vari
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$75

USD

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6 hours
Start Date: Open enrollment
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