Join Date: Jun 2011
Location: somewhere south of civilization
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Wiring an Aqualarm
At us$60.00 an impeller and an hour to an hour and a half to remove and replace the pump with a new impeller, I'd really like to limit this to a yearly maintenance issue, not a lack of water caused necessity.
Enter the new to me item; Aqualarm cooling water flow detector. About time! Brilliant, why did it take so long for this one to get on the market and why doesn't every water cooled engine have one???????
So, the question is can this normally open switch be used with an Onan fuel solenoid to immediately shut down the unit automatically, if the cooling water stops? As the pump is direct drive, I assume it begins pumping immediately when the engine is cranking over, which would close the switch, allowing the generator to start or would it interfere with the fuel solenoid during start up?
If it would allow the generator to start, I assume I would just break the solenoid positive side wiring and add this switch, like a bilge pump auto switch.
I'm really not interested in running an alarm, as the time it would take to shut down the gene would probably cost me the impeller anyway.
I will alarm the ME though, because I have a cockpit shutdown on that.
"Any idiot can make a boat go; it takes a sailor to stop one." Spike Africa aboard the schooner Wanderer in Sausalito, Ca. 1964.
“Believe me, my young friend, there is nothing - absolutely nothing - half so much worth doing as simply messing about in boats.” ― Kenneth Grahame, The Wind in the Willows
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