You open a bypass valve by turning it 90 degrees. According to the reference, the handle or "wings" should then be in line with the pipe.
Here's a more detailed explanation:
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Visual Check: First, identify the bypass valve. It's typically located on a side pipe that allows flow to bypass a particular component.
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Valve Handle Orientation: Most bypass valves have a handle or "wings" that indicate the valve's position.
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Opening the Valve: Turn the handle 90 degrees, so it aligns with the pipe. This opens the bypass, allowing fluid to flow through the bypass line. As the reference indicates, the handle being inline with the pipe is the open position.
