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Home eLearning Electricity Module 12 - Understanding Electrical Schematics
 

Module 12 - Understanding Electrical Schematics

 
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Module 12 - Understanding Electrical Schematics

For group or company purchases of RSES eLearning, please do NOT order here. Instead, contact RSES Headquarters – 800-297-5660, x.2337 (or orders@rses.org) – to ensure the best registration process and discounted prices available!

NATE CEH   3

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Understanding Electrical Schematics

Description:

Detailed look at the symbols and conventions commonly used in schematic diagrams

Upon the completion of this module, you will understand how to:

1. Describe how wiring diagrams can be read.
2. Identify different types of wiring diagrams used in the HVACR industry.
3. List the five basic components to any schematic.
4. Identify the electrical symbols used in schematic diagrams, and the components that they represent.
5. Identify the "line" side and the "load" side of a schematic diagram.
6. Explain the difference between the "line" side and the "load" side.
7. Explain how to use the line-numbering system included in many schematic diagrams.
8. Describe the different switch symbols used in schematic diagrams.
9. Study a complicated wiring diagram for a packaged gas/electric system.
10. Identify the various machine functions depicted in the wiring diagram.

Topic 1: Wiring Diagrams and Their Types

* Topic Introduction and Objectives
* Reading a Wiring Diagram
* Five Components of a Wiring Diagram
* Basic Types of Wiring Diagrams
* The Ladder Diagram
* The Line Diagram
* The Installation Diagram
* Check-Point Question
* Topic Summary

Topic 2: Symbols Used in Schematics

* Topic Introduction and Objectives
* Power Supplies
* Wiring
* Variations in Practices
* Switches
* Loads
* Schematic Symbols used in the HVACR Industry
* Check-Point Question
* Topic Summary

Topic 3: Understanding Electrical Schematics

* Topic Introduction and Objectives
* Side-by-Side Configuration
* Up-and-Down Configuration
* Check-Point Question
* Topic Summary

Topic 4: Locators, Legends, and Switch Symbols

* Topic Introduction and Objectives
* The Line Numbering System
* Legends
* Switch Symbols
* Single-Pole, Single-Throw and Single-Pole, Double-Throw Switches
* Double-Pole, Double-Throw Switches
* Temperature and Pressure Controls
* SPDT Limit Switch
* Relays
* Contactors
* Check-Point Question
* Topic Summary

Topic 5: Locators. the Basic Diagram

* Topic Introduction and Objectives
* Schematic of a packaged heating/cooling unit
* Equipment
* Relays: Locating the Control Relay
* Circuits: Series Circuits
* Circuits: Parallel Circuits
* Series Parallel Circuits and Pressure Controls
* Connections and Wiring
* Non-Replaceable Controls or Relays
* Legends
* Check-Point Question
* Topic Summary
* Assessment
 

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RSES is the leading education, training and certification preparation organization for HVACR professionals. RSES publishes various comprehensive industry training and reference materials in addition to delivering superior educational programs designed to benefit HVACR professionals at every stage of their careers through instructor-led training courses, online training for HVAC, educational seminars, interactive CD and DVD products, industry-related reference manuals, and helpful technical content through Service Application Manual chapters, the RSES Journal, the RSES Journal archives and feature articles, as well as web-exclusive features.

Beginning with basic theory and extending to complex troubleshooting, training courses covering refrigeration and air conditioning, heating, electricity, controls, heat pumps and safety may be conducted in a classroom environment or though self study. RSES publications may be purchased by schools, contractors, manufacturers or any other industry group wanting to conduct comprehensive training programs. Seminars covering air conditioning troubleshooting, electrical troubleshooting, compressor training, condenser training, refrigerant piping practices, DDC controls, and more are held in various cities across North America.

Select training programs offer Continuing Education Units (CEUs) and NATE Continuing Education Hours (CEHs).

In addition, RSES offers industry certification preparation materials for refrigerant handling (EPA Section 608), R-410A and North American Technician Excellence (NATE) examinations.

RSES’ monthly magazine, RSES Journal, serves HVAC contractors, service technicians, students, operations/maintenance managers, engineers and technicians who work in the residential, light commercial, commercial and institutional markets on air conditioning, warm-air heating, refrigeration, ventilation, electrical, ice machines, chillers, hydronic heating, piping, refrigeration control and energy management, building automation, indoor air quality and duct cleaning, and sheet metal fabrication equipment and/or systems.
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