Temperature & Pressure Basics
Understanding how pressure affects boiling point and how to read system conditions.
Learn how refrigerant temperature changes with pressure and how this applies to sealed system diagnostics.
Lesson Packet
Reciprocating Compressors
Compressor Operation & Components
Understanding how a reciprocating compressor works, including piston movement, internal components, refrigerant flow, and how pressure is created within the sealed system.
Lesson Packet
Compressor Starting Components
Lesson Packet
Relays, PTC Devices & Electrical Operation
Learn how run and start capacitors operate within a sealed system, how relays and PTC devices control compressor startup, and how these components affect compressor performance and diagnostics.
Metering Devices
Learn how metering devices control refrigerant flow and pressure, and how their operation affects system performance and diagnostics.
Lesson Packet