The compressor of an air-cooled condensing...

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Question 1 of 205eccef9ebacbc34ba4d46173

The compressor of an air-cooled condensing unit of a refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

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Question 1 of 20

5eccef9ebacbc34ba4d46173

The compressor of an air-cooled condensing unit of a refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

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🔍 Key Concepts

• High pressure cutout switch function in a refrigeration system • How refrigerant charge level affects condensing pressure in an air‑cooled system • Effect of discharge valve leakage on compressor discharge pressure and cycling

💭 Think About

• Think about which condition would cause the head (discharge) pressure to rise quickly enough to repeatedly trip the high‑pressure control. • Consider what happens to condensing temperature and pressure if there is too much or too little refrigerant in an air‑cooled condenser. • Ask yourself whether leaking discharge valves would tend to raise or lower the discharge pressure seen by the high‑pressure cutout.

✅ Before You Answer

• Verify which option would increase condensing pressure and cause a high‑pressure trip, rather than lowering it. • Check your understanding of how an overcharged vs undercharged system changes the amount of liquid in the condenser and its ability to reject heat. • Confirm whether slight vs excessive discharge valve leakage is more likely to cause low capacity/low pressure or dangerously high pressure.

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Question 1 of 205eccef9ebacbc34ba4d46173

The compressor of an air-cooled condensing unit of a refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

Back

Question 1 of 20

5eccef9ebacbc34ba4d46173

The compressor of an air-cooled condensing unit of a refrigeration system is short cycling on the high pressure cutout switch. What is a probable reason for this?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed