EHCC A/C Troubleshooting – Hawthorne

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Air Conditioning Troubleshooting

This course will provide an overview of air conditioning fundamentals and includes topics such as saturation charts, condenser and evaporator operation, superheat and subcooling, compression ratio and charging by weight, as well as reading schematics for both split systems and packaged units. The class will also explore the sequence of operations for air conditioning systems in order to create a more logical method for diagnostic procedures. Through the use of computer simulation programs, technicians will learn to diagnose common operating and mechanical defects. This approach will allow technicians to troubleshoot and diagnose R-22 as well as R-410A air conditioning system problems faster and more accurately. Technicians who complete this course will earn 6 NATE CEHs toward all re-certifications except Hydronics and/or 3 BPI continuing education credits.

Course Topics:
• Refrigerant Diagnostics
• Start Relay Coil
• High Pressure Switch
• TXV Power Element
• Fan Motor Capacitor
• Control Transformer
• Compressor Windings
• Thermostat Fan Switch
• Start Relay Contacts
• Low Pressure Switch
• Compressor Locked Rotor
• Circuit Breakers
• Contactor Coil
• Indoor Fan Relay
• Basic Electricity
• Electrical Schematics
• Superheat
• Subcooling

Course Fee Includes:
• Lunch
• Certificate of Attendance
• Troubleshooting Manual

Location: Universal Supply – Hawthorne, NJ
Date: April 11, 2019
Time: 9:00 am – 4:00 pm
Course Fee: $250
EHCC Member Fee: $200

To enroll, call toll free 1-800-247-6547, email, or
visit (online registration available)