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Default Principles of Heating and Refrigeration

  • Service training ST054. Principles of Heating and Refrigeration. 20 pages. Language - English.
Model: All
Production: All

After completion of this module you will be able to:
• Describe the difference between a HVAC system and a
Climate Control System.
• Describe the meaning of the “Comfort Zone”.
• Identify the principles of Heating and Refrigeration.

Contents:

Heating Ventilation Refrigeration (HVAC) . . . . . . . . . . . . . . . . . . . . . . .3

Comfort in the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Heat is a Strain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
“The Comfort Zone” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Principals of Heating and Refrigeration . . . . . . . . . . . . . . . . . . . . . . . . .7
Heat and Cold Explained . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Condensation and Evaporation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Evaporation of Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Heat Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Sensible and Latent Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Types of Latent Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Change of State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
First Natural Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Heat and Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
BTUs and Calories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Effects of Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Pressure and Boiling Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Boiling Point of Various Substances . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Free download - in attached file.
Attached Files
File Type: pdf www.bmwcoders.com_ST054 - Climate Control.pdf (325.3 KB, 151 views)


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