To add small amounts of non-blended...

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Question 1 of 205eccef9dbacbc34ba4d4609e

To add small amounts of non-blended refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through a particular valve and in a particular state. What valve and state combination is correct?

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🔍 Key Concepts

• Low side vs. high side of a refrigeration/AC system (pressure and temperature differences) • Behavior of liquid vs. vapor refrigerant when entering a running compressor • Manufacturer and safety recommendations for charging a system with small amounts of non-blended refrigerant

💭 Think About

• Which side of the system (suction/low side or discharge/high side) is safer for introducing refrigerant and why? • In what state (liquid or vapor) should refrigerant be added to avoid damaging the compressor or causing liquid slugging? • How would the pressure difference affect how the refrigerant enters and mixes into the system?

✅ Before You Answer

• Confirm which line/valve is on the low-pressure (suction) side versus the high-pressure (discharge) side of the system • Verify what happens if liquid refrigerant enters the compressor directly • Check standard service practice for adding small amounts of non-blended refrigerant to an operating system

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