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Rack Refrigeration Cycle Part 10 – Electronic Expansion Valves

In Part 10 of our Rack Refrigeration Cycle series, Matthew Taylor breaks down Electronic Expansion Valves (EEVs) and their growing role in modern refrigeration systems.

Learn about:

  • How electronic expansion valves work compared to mechanical valves
  • The importance of valve controllers and superheat calculation
  • Common troubleshooting issues with EEVs
  • Step counting and valve position tracking
  • Best practices for valve initialization and maintenance
  • Pulse Width Modulation (PWM) valves and their operation
  • Sensor placement and maintenance tips
  • EEV mechanical components and operation
  • Controller functionality and limitations
  • Valve synchronization methods
  • PWM valve timing and control cycles
  • System maintenance and common failure points

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