Table of Contents 752 Air Conditioning and Climate Control Objectives Final Student Performances .................................................................. a Air Conditioning Course Menu ........................................................................................ 2 and Climate Control Section 1: Preparation Section 1 Topics ................................................................................... 3 Safety Precautions ............................................................................... 4 Compressed Gases ..............................................................................
4 Compressor Oil ..................................................................................... 5 Electrical Circuits .................................................................................. 5 SRS Circuits ......................................................................................... 6 Warning Hybrid High-Voltage Circuits .................................................. 6 Certifications ......................................................................................... 7 Resources & Tools ............................................................................... 8 Section 2:
Section 2 Topics ................................................................................... 9 Heating System Components ............................................................. 10 PTC Heater ......................................................................................... 11 Heat Ranges ....................................................................................... 11 A/C System ......................................................................................... 12 Refrigerant Control Cycle ................................................................... 13 Expansion and Evaporation ................................................................
14 Compression and Condensation ........................................................ 14 Hot & Cold .......................................................................................... 15 Temperature Determines State .......................................................... 16 Three States of Matter ........................................................................ 16 Sensible Heat ..................................................................................... 17 Latent Heat ......................................................................................... 17 Pressure & Temperature ....................................................................
18 Low Pressure ....................................................................................... 18 High Pressure ...................................................................................... 18 Humidity & Effectiveness .................................................................... 19 Sources of Heat .................................................................................. 20 High and Low – Pressure Sides ......................................................... 21 System Flow ....................................................................................... 21 Basic A/C System – Refrigerant Flow .................................................
22 Automotive Refrigerants ..................................................................... 23 Refrigerants ........................................................................................ 24 Aftermarket R-1234yf Refrigerant ........................................................ 26 Precautions & Safety .......................................................................... 27 New Compressor Oil .......................................................................... 29 Heating & Cooling Basics Technical Training i