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Old 05-18-2017, 08:22 PM   #6
dhays
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City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 9,046
Just a couple of questions....
A relay needs power to operate. You can either use the start battery or the house bank for that. In setting it up, I think there are a couple of things you want to ensure. First is that you have a way to start your engines from the house bank if your starter battery is dead. Secondly, you want to ensure that the relay will be energized as needed in the case of a dead battery.

Blue Seas makes a relay that has a manual override. I think this is a good idea as you can manually connect it if there is a problem with the relay or the battery powering the relay.
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Dave
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