Other DVDs

A/C and Refrigeration Systems,   by LAMA Books CD-ROM ……….$296.00                     

An animated PowerPoint presentation developed to help students visualize HVACR concepts. It is available to educators to increase their students’ learning and interest, and to also make their teaching job easier.

 HVACR Electrical Systems Instructor CDs,  By LAMA Books CD-ROM ………. $296.00            <

This animated PowerPoint presentation was developed to help students visualize HVACR concepts. It is available to educators to increase their students’ learning and interest, and to also make their teaching job easier.

Control System Basics for HVAC Technicians, By Leo. A. Meyer CD-ROM ………. $31.00          

Gives the basic principles of HVAC automatic control systems. Explains how three basic subsystems form any control system, and shows how these subsystems use four basic components. This book on CD uses pneumatic control systems to give you an understanding of any HVAC control system. It provides the knowledge that makes direct digital controls easy to understand. Includes English-Spanish trade terms.

Electrical Fundamentals for HVAC, Item #DVD101 ………. $79.95                                          

This two-hour video walks through the process of building a dual voltage schematic for a comfort cooling system. It describes how to get a schematic diagram on paper and use the diagram to troubleshoot the four problems that are at the end of the program. You learn how simple it is to correctly troubleshoot a circuit and track down and isolate a problem. Electrical theory is woven throughout the practical aspects of HVAC. You aren’t bored with long theoretical explanations before getting to the interesting stuff. And there is an interactive resource guide.

Using Schematics to Troubleshoot, Item #DVD102 ………. $59.95                                         

This HVAC video was produced  for technicians who want to know more about how to read schematic diagrams and then use them to track down the source of the problem in an HVAC/R system. Covers transformers, thermostats, potential relays, capacitors, multi-speed motors, pressure switches, relays, and contactors, this program focuses on single-phase equipment and incorporates furnace, A/C and heat pump wiring diagrams.

Heat Pump Refrigeration Systems, Item #DVD103 ………. $79.95                                          

This approximately 90 minute video is appropriate for both new and experienced HVAC technicians. The program shows cutaways to explain the fundamentals, shows how to access refrigeration systems and use manufacturer’s charging charts to evaluate heat pump refrigeration systems. Troubleshooting procedures related to refrigeration and air flow systems are discussed. An interactive Technician’s Resource Guide contains quiz questions that can be used in either a self-paced learning situation, or an instructor-led training session.

Heat Pump Electrical Systems, Item #DVD104 ………. $79.95                                       

This 90-minute video is appropriate for both new and experienced HVAC technicians. The program explains the fundamentals of heat pump electrical systems, then explains in a step-by-step fashion how to use meters and test components, and use wiring diagrams to evaluate heat pump electrical systems. A Technician’s Resource Guide comes with the program, making for an interactive learning experience. Review questions are included for either self-study or for use in an instructor-led environment.

Comfort Cooling System Troubleshooting, Item #DVD105 ………. $29.95                

Takes you through a simplified approach to troubleshooting comfort cooling refrigeration systems. Working from the perspective that you need to know what is right in the first place, the video covers temperature pressure charts, proper use of gauges, and provides fundamental information on refrigerants.

TXV Refrigeration Systems, Item #DVD106 ………. $29.95                                    

Walks you through the fundamental operations of a thermostatic expansion valve and demonstrates how it operates to control a refrigeration system evaporator. It also uses graphics and demonstration to show how to measure superheat and subcooling in TXV refrigeration systems.

Potential Relays & Start Capacitors, Item #DVD107 ………. $29.95                                   

Explains potential relays and their important numbers (1, 2 and 5). It also shows how to use a meter to test and troubleshoot relays along with their companion start capacitors. Graphics and simplified diagrams explain the proper wiring of these two compressor start components and how they work.

Understanding Control Transformers, Item #DVD108 ………. $29.95                                    

Discusses various types of transformers, from standard step-down to multi-tap devices, and shows how to use a meter to test and troubleshoot them. Graphics and drawings are featured throughout the presentation to explain wiring configurations and show how a transformer does what it does in an HVAC/R control circuit.

Compressor Motor Windings, Item #DVD109 ………. $29.95                                     

This video eliminates the mystery behind compressor motor windings and teaches you how to use a meter to make electrical checks on compressors.

Semi-Hermetic Compressors, Item #DVD110 ………. $29.95                                      

This HVAC video focuses on semi-hermetic compressors found in commercial refrigeration equipment. It discusses how they differ from hermetic compressors, how to test the windings of various single-phase, three-phase and multiple winding units. It also shows how to disassemble a compressor to access and replace a valve plate.

Multiple Speed Fan Motors & Relays, Item #DVD111 ………. $29.95                                      

This HVAC video explains the popular PSC multiple speed motor used in HVAC/R equipment and how relays are used to control their operation. It also uses meters and graphics to explain the wiring of the motor windings and how to test them and the accompanying relays.

HVACR Troubleshooting: Deciding to Begin, Item #DVD112 ………. $49.95                      

Available in VHS Format (Part #VID 319-01) $44.95 (Call to order)

In this HVAC video program, presents a series of troubleshooting scenarios and discusses a common-sense approach to deciding where to begin (and more importantly, where not to waste your time) when tracking down the source of the problem in an HVACR electrical system.

Use this video as an independent study guide or in the classroom.

Instructor’s Guide Part #IG 319-01 ………. $49.95 

Instructor’s Guide that contains overhead transparencies along with instructor notes and instructions on how to present additional information to technicians while conducting and in-house training session.

Student Workbook Part #SW 310-01 ……….  $5.00

Interactive technician/student workbooks that are intended for use during a facilitator-led training session are also available

HVACR Troubleshooting: Component Testing, Item #DVD113 ………. $49.95              

Available in VHS Format (Part #VID 319-02) $44.95 (Call to order)

This HVAC video, a follow-up to HVACR Electrical Troubleshooting: Deciding Where to Begin, offers component tests technicians can perform to determine the specific failure that is the cause of complaints like “not cooling”, “not blowing air” or “no heat.”  Includes Tests for  Transformers, Contactors, Potential Relays and Start Capacitors, Compressor Motor Windings, Multiple Speed Fan Motors and Fan Relays, Thermostats, Gas Valve Coils

Use the video as an independent study guide or in the classroom

Instructor’s Guide Part# IG 319-02………. $49.95

Instructor’s Guide that contains transparencies a facilitator can use on an overhead projector, along with instructor notes and instructions on how to present additional information to technicians while conducting an in-house training session.

Student Workbook Part #SW 310-02………. $5.00

Interactive technician/student workbooks that are intended for use during a facilitator-led training session are also available.

Evaluating Refrigeration Systems:

Troubleshooting & Identifying Problems, Item #DVD114 …………. $39.95               

This 35-minute video by author and instructor Jim Johnson discusses identifying refrigerants, oil compatibility issues relative to CFC, HCFC, and HFC’s, what the suction and discharge pressures should be on a system under normal operating conditions, and how to use manufacturer’s charging charts. Temperature test devices are used to check suction and liquid line temperatures and gauges show system pressures in order to evaluate superheat on fixed-bore metering device systems and subcooling on systems that use thermostatic expansion valve systems. The video includes information on how to determine if a refrigeration system is overcharged, undercharged, or restricted, and if a compressor is not pumping. Includes a resource CD.

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