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Course 2 — How a Heat Pump Works
Lessons
2.1 Moving heat uphill: the core idea
2.2 The vapour compression cycle, step by step
2.3 Compressors: rotary, scroll, reciprocating, screw, inverter
2.4 The evaporator: collecting heat
2.5 The condenser and heat exchangers: plate, shell-and-tube, tube-in-tube, coil-in-tank
2.6 Expansion devices: capillary, TXV, EEV
2.7 Controls, sensors and safety devices
2.8 Reading a pressure–enthalpy (P-h) diagram
2.9 What drives COP: temperature lift and operating conditions
2.10 Defrost and low-ambient operation
Review and resources
Quiz 2: check your understanding
Glossary
Course 2 handbook (PDF download)
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