Diagnosing a Restricted Condenser: Symptoms and Causes

Symptoms of a restricted (cooled) condenser include:

  • High head pressure: Refrigerant gas pressure leaving condenser is higher than normal.
  • Low condenser efficiency: Ratio of heat absorbed to heat input is reduced.
  • Reduced cooling capacity: Less heat removed from refrigerated space per unit time.
  • Increased power consumption: More electrical energy required to operate.

Additionally, a restricted condenser can cause refrigerant to flood back into the compressor, potentially damaging it.

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