Thermostatic Expansion Valves (TXVs or TEVs). This class will cover the principles of operation, sensing bulb installation variables, adjusting the valve for proper superheat, what method of equalization to use (internal or external), brazing tips, valve orientation, and troubleshooting. Course will include discussions of R-22 and R410A valves.
Students will learn the basic differences between scroll and reciprocating compressors, how to diagnose motor winding electrical problems, what causes electrical failures, the causes of mechanical failures, proper cleanup procedures after a mild or severe burnout, advantages and disadvantages of different evacuation procedures and how to prevent repeat compressor failures.
Students should have a good working knowledge of air conditioning systems.
Class times: 8:30am - 5:00pm, Lunch & manual provided.
$225/person paid by credit card
$235/person billing your B-Y Account
Cancellation policy: Full refund can be expected when contacting Theresa, at 616-534-5136, at least 48 hours prior to class.