Week #6

Week #6 Topics

Suggested Readings and Review Questions:

A⁄C power and transformers (textbook pages 284-286)

Wiring a thermostat (textbook pages 961)

Overview of domestic refrigerators (textbook page 598, 642+)

What is a positive ion and how does it become so?

What is a conductor? How do conductors differ from non-conductors? List two examples of conductors and two examples of non-conductors.

In a paragraph or two describe the primary issue that lead to the development of EPA Section 608.

Practice Exams

Practice Exam Type I A-2 & review

Practice Exam Type I A-3

Videos

What is electricity?

Principles of Electricity

Lectures

A⁄C power (textbook pages 284-286)

Transformers (textbook pages 284-286)

Wiring a thermostat (textbook pages 961). Lecture & lab were combined.

Overview of domestic refrigerators (textbook page 598, 642+)

Small refrigerator repair guide (textbook pages 454-456)

Thermoelectric refrigeration vs vapor⁄compression refrigeration

Recovering refrigerant - Type I appliances (textbook pages 240 - 243)

Air conditioner wiring: disconnect box to contactor, contactor to control board

Lab Work

Furnace wiring and maintenance: Wiring power, control board, transformer, thermostat

Wiring a thermostat - live furnace

Overview of domestic refrigerators (textbook page 598, 642+)

Checking small appliance relays, overloads, and compressors (See additional resources #7)

Vapor recovery of refrigerant from a Type I appliance (textbook pages 241-243)