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Multiple Choice

In a unit with a receiver/storage tank and a condenser located below the receiver, refrigerant should be removed from which component?

When a receiver/storage tank sits above a condenser, the best place to remove refrigerant during service is the condenser outlet. This point is on the high-pressure side right after condensation, just as the refrigerant is about to enter the receiver. Accessing the condenser outlet ensures you’re drawing refrigerant efficiently as it leaves the condenser, and it avoids pulling liquid out of the receiver or dealing with a mixed or partially liquid line further downstream. It also helps prevent disturbing the receiver’s stored liquid by giving your recovery device a direct path on the high-pressure side. Evaporator is on the low-pressure side, so removing refrigerant there would disrupt the cooling cycle and risk compressor issues. The liquid line carries liquid refrigerant and isn’t the intended recovery point in this configuration. The receiver is a storage vessel; removing from it can complicate recovery and isn’t the designed service access in this setup.

When a receiver/storage tank sits above a condenser, the best place to remove refrigerant during service is the condenser outlet. This point is on the high-pressure side right after condensation, just as the refrigerant is about to enter the receiver. Accessing the condenser outlet ensures you’re drawing refrigerant efficiently as it leaves the condenser, and it avoids pulling liquid out of the receiver or dealing with a mixed or partially liquid line further downstream. It also helps prevent disturbing the receiver’s stored liquid by giving your recovery device a direct path on the high-pressure side.

Evaporator is on the low-pressure side, so removing refrigerant there would disrupt the cooling cycle and risk compressor issues. The liquid line carries liquid refrigerant and isn’t the intended recovery point in this configuration. The receiver is a storage vessel; removing from it can complicate recovery and isn’t the designed service access in this setup.