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Refrigeration Cycle Theory
TXVs
System Measurements
System Diagnostics
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System Diagnostics
In this section you will find the 11 most common AC system problems, their symptoms, causes, and solutions.
Low Evaporator Heat Load - Fixed Orifice & TXV
High Evaporator Heat Load - Fixed Orifice & TXV
Low System Charge
High System Charge
Non-Condensables
Restriction - Liquid Line
Restriction - Metering Device
Restriction - Condenser (TXV)
Restriction - Condenser (Fixed Orifice)
Restriction - Subcooling Circuit
Overfeeding Metering Device
