Which of the following electrically operated...

Question 1 of 292185eccef9dbacbc34ba4d46068

Which of the following electrically operated refrigeration system valves would be most appropriate for use as a reverse-cycle solenoid valve? See illustration RA-0019.

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Question 1 of 29218

Which of the following electrically operated refrigeration system valves would be most appropriate for use as a reverse-cycle solenoid valve? See illustration RA-0019.

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🔍 Key Concepts

• Function of a reverse-cycle (heat pump) system in marine refrigeration/air conditioning • How a reversing valve changes the direction of refrigerant flow between the condenser and evaporator • Visual differences between a simple 2-way solenoid valve and a multi-port reversing valve assembly

💭 Think About

• In reverse-cycle operation, what must happen to the flow path of the refrigerant between the indoor and outdoor coils? Does this require two ports or multiple ports? • Looking at each illustrated valve, which one appears able to connect and switch between four different lines (discharge, suction, and two coil connections)? • Which valves look more like simple on/off or regulating valves, and which one looks specifically designed to route flow to different lines depending on coil energization?

✅ Before You Answer

• Identify which illustration shows four refrigerant connections suitable for swapping condenser and evaporator roles. • Confirm which valve looks like a dedicated reversing assembly rather than a basic shutoff or solenoid valve in a single line. • Make sure the option you pick could, by its port arrangement, actually reverse the high- and low-pressure sides between two coils.