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Questions and Answers
What does the red button on the filter indicate?
What does the red button on the filter indicate?
- The filter is about to burst.
- The filter is clogged and bypass has been activated. (correct)
- The filter requires regular maintenance.
- The filter is functioning properly.
How does a differential pressure indicator function in relation to electrical switches?
How does a differential pressure indicator function in relation to electrical switches?
- It replaces the electrical switch completely.
- It can only display high pressure conditions.
- It provides a visual cue instead of an electrical signal. (correct)
- It only works when the system is powered on.
What is unique about the red button's behavior during filter bypass activation?
What is unique about the red button's behavior during filter bypass activation?
- It disappears after the filter is cleared.
- It remains visible even if the bypass valve opens. (correct)
- It changes color when activated.
- It retracts once the bypass valve opens.
What is the primary purpose of using a differential pressure indicator?
What is the primary purpose of using a differential pressure indicator?
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What action triggers the red button to pop into view?
What action triggers the red button to pop into view?
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Study Notes
Filter Clogging Indication
- A differential pressure indicator can visually signal filter clogging and bypass activation.
- The indicator replaces the function of an electrical differential pressure switch.
- A red button on the filter pops out when the filter becomes clogged.
- The red button remains visible even after the bypass valve opens.
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