Which of the installation steps listed is...

Question 1 / 270705eccef9dbacbc34ba4d45fd8

Question 1 of 270705eccef9dbacbc34ba4d45fd8

Which of the installation steps listed is necessary for the proper operation of the thermostatic expansion valve?

Question 1 of 27070

Which of the installation steps listed is necessary for the proper operation of the thermostatic expansion valve?

🔍 Key Concepts

• Thermostatic expansion valve (TXV) operation depends on accurate sensing of suction line temperature • Correct mounting and thermal contact of the sensing bulb are critical • Know what can damage or interfere with the sensing bulb or capillary tube

💭 Think About

• Which option describes a step that improves heat transfer between the suction line and the sensing bulb? • Which options involve materials or actions that might insulate, loosen, or even damage the sensing bulb or capillary? • Think about how a TXV senses superheat: what must be true about how the bulb touches the suction line for this to work correctly?

✅ Before You Answer

• Verify which step ensures good metal‑to‑metal contact between the bulb and suction line • Check that the method of attachment will keep the bulb secure and tight, not loose or insulated • Confirm that none of the steps would restrict refrigerant flow or physically damage the sensing bulb or capillary tube

Question 1 of 27070

Which of the installation steps listed is necessary for the proper operation of the thermostatic expansion valve?

Clean off oxidation from the surface of the suction line and sensing bulb with fine abrasive cloth or steel wool.

Attach the thermal bulb to the suction line using plastic ties.

Heat shrink insulating material around the device once the bulb has been properly secured.

Remove excess lengths of the sensing bulb capillary tube from the device to increase sensitivity.

Question 1 / 270705eccef9dbacbc34ba4d45fd8

Question 1 of 270705eccef9dbacbc34ba4d45fd8

Which of the installation steps listed is necessary for the proper operation of the thermostatic expansion valve?

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Question 1 of 27070

Which of the installation steps listed is necessary for the proper operation of the thermostatic expansion valve?