Re: Sea Chest Clog Alarm
Karen, I do not have the precise vacuum, but I imagine that Amel probably adjusts the vacuum switch when it is installed. Here is the information I have in my book. The source of this information was Amel: The Amel Sea Chest has an Amel innovative Vacuum Switch attached via a hose to the Sea Chest Manifold. The Vacuum Switch is located above the sea chest. Sea Chest blockage will create suction inside the Sea Chest, which closes the switch, activating an alarm. Test this alarm switch by closing the Sea Chest valve for up to 8 seconds while the engine is running. The internal part of the switch can get clogged as well as the curved copper pipe. If the alarm isn't working, check for clogs. To adjust the sensitivity of the vacuum switch, remove the top screw, then using a jeweler's flat head screwdriver, inserted into a tiny, concealed adjuster screw adjust the sensitivity. Turning the small screw clockwise, increases sensitivity and the alarm comes on. Anticlockwise and the alarm stops. Through trial and error, you will find the ‘sweet spot’ by running the fridges, AC, engine, and generator at the same time. NOTE: Adjusting sensitivity doesn't require the removal of the Vacuum Switch. Also, if you order the sensor from Amel and have the one below on the left, you will find it has changed to the one below on the right.
On Sat, Nov 28, 2020 at 5:18 AM Alan Grayson <bazgrayson@...> wrote:
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