G2 Week #9

Week #9 Topics

In Class Reviews and Lectures

Type II practice exam A2 review

Type II practice exam A3

Type II practice exam A3 review

Type III practice exam A1

Group 3: The relationship between latent heat, sensible heat, superheat, and subcooling.

Group 3: What is heat? In a paragraph or two define what heat is and the two types of heat that are important in refrigeration work.

Lab Work

Check furnace HSI (textbook pages 1126-1127, Additional Resources #11)

Service Call #5: A⁄C troubleshooting using the sequence of operations

Cutting refrigerant tubing, brazing refrigerant tubing (group 3)

Introduction to blower motors & repair (textbook page 1024 & drawing on page 1023)

Service Call #6: Furnace troubleshooting using the sequence of operations

Continued troubleshooting and repair of Johanna's air conditioner