Answer :
Final answer:
Moisture typically enters low-pressure chillers most frequently through leaks at gaskets or fittings. While other potential entry points exist, compromised seals are a common cause of moisture ingress. Maintaining the integrity of gaskets and fittings is essential for preventing moisture issues.
Explanation:
Understanding Moisture Entry in Low-Pressure Chillers
Moisture is a common problem in low-pressure chillers, and it often enters the refrigerant system through various points of leakage. The following options reflect typical sources of moisture ingress:
- Air Leaks in the Rupture Disc Assembly: The rupture disc is designed as a safety feature that can allow air to enter if there is a failure.
- Tube Leaks in the Evaporator: Any breaches in the evaporator tubes can introduce moisture into the refrigerant system.
- Leaks from Areas with Gaskets or Fittings: Gaskets and fittings can wear over time, leading to potential moisture ingress.
- Leaks from the Charging Service Valve: The service valve is a common point where moisture can enter during maintenance or charging processes.
Among these options, the most frequent entry method is often through leaks from areas with gaskets or fittings. These gaskets can deteriorate or be compromised, allowing outside moisture to mix with the refrigerant.
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