UAFM 171 - Climate Control Systems

Construction, operation, diagnosis and repair of modern heating, ventilation, air-conditioning (HVAC) and climate control systems common in automobiles and light truck applications. Students who successfully complete this course may receive Service Technician Specialty Training credit from Ford Motor Company for Advanced Climate Control Diagnosis.

Course Learning Outcomes:

Demonstrate comprehension of heating, ventilation, and air conditioning fundamentals
Demonstrate comprehension of climate control systems theory and operation
Demonstrate comprehension of automotive HVAC electronic componentry theory and operation
Demonstrate comprehension of climate control systems diagnosis
Demonstrate comprehension of climate control systems leak detection methods and principles
Analyze, interpret, and diagnose climate control system-related malfunctions.

Outline:

Heating and Air Conditioning Fundamentals
- Principles of refrigeration
  - States of matter
  - Heat transfer
  - Pressure and temperature relationship
  - Refrigerants
  - Lubrication oils
  - Basi refrigerant cycle
  - High and low sides
- Automotive Air Conditioning Systems
  - Pumps/Compressors
  - Condensers
  - Flow metering devices
  - Evaporators
  - Receiver Driers
  - Accumulator Driers
  - Blower fans
  - Thermostatic switches
  - Pressure and temperature sensors
  - Hoses, Lines, Mufflers
  - Service Valves
- System Design Variants
  - Fixed orifice
  - Thermostatic expansion
- Heating Systems
  - Engine cooling system fundamentals
  - Hoses
  - Heater core
  - Blower fans
  - Controls
- Heating and Air Conditioning Controls
  - Actuators
    - Vacuum
    - Electronic
    - Mechanical
  - Ducts and vents
  - Filters
- Climate Controlled Seats
  - Heated
  - Heated and Cooled
- Heated Steering Wheels\ Thermo-electronic devices
- Auxiliary Systems
- Hybrid Systems
Heating and Air Conditioning Diagnosis, Service, and Repair
- Inspections
- Fault detection
- Monitoring system pressures and temperatures
Refrigerant safety and chemical hazards
System Performance Testing
- Manifold gauges
- Mode 1 (Datalogger)
Recovery, Evacuation, Recycling and Recharging
- Refrigerant identification
- Leak sealant detection
- Service connections
- Service equipment operation
- Leak detection
  - Dyes
  - Electronic samplers
Common system faults
- Evaporators
- Condensers
- Driers
- Metering Devices
- Lines and hoses
System service
- Evacuation
- Flushing
- Component replacement
  - Recovery and addition of oil
- Service Rules
- EPA 609 certification preparation