I just finished my first year of school and I looking for material that could help with dialing in my ability to accurately diagnose specific refrigeration issues. I am sure most you have seen or filled out the tables where you identify high or low head,suction, superheat,subcooling and amp draw for scenarios like over/under charge, loose txv bulb, dirty condenser, liquid line restriction, inefficient compressor etc. Rather then just memorizing what the system is doing I am looking to know more about the "why"
If anyone has come across any resources that could help please let me know. I am looking for something a little more specific than the Modern Refrigeration textbook which is what gets used in school for the most part here in Canada.
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