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Do-It-Yourself (DIY) Question & Answer Forum
Shed power trip alarm
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 560802" data-attributes="member: 250"><p>Many years ago I did a very basic warning system for a remote garage with a large chest freezer in it...</p><p></p><p>A couple of plug-in 12v PSU's, a bit or 6core alarm cable between the buildings, a relay and a 12v high volume audible alarm...</p><p></p><p>PSU in garage keeps a normally closed relay contact held open in the house.. </p><p>PSU in house feeds audible alarm via relay contact...</p><p>So if garage power was lost then alarm sounds in house..</p><p>Luckily the house gubbins could be fitted in the downstairs loo by kitchen!</p><p></p><p>This worked fine for many years, until a couple of years ago when they had a building extension done so it was no longer required..</p><p></p><p>BUT.. basically you needed a cable between house and remote building!</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 560802, member: 250"] Many years ago I did a very basic warning system for a remote garage with a large chest freezer in it... A couple of plug-in 12v PSU's, a bit or 6core alarm cable between the buildings, a relay and a 12v high volume audible alarm... PSU in garage keeps a normally closed relay contact held open in the house.. PSU in house feeds audible alarm via relay contact... So if garage power was lost then alarm sounds in house.. Luckily the house gubbins could be fitted in the downstairs loo by kitchen! This worked fine for many years, until a couple of years ago when they had a building extension done so it was no longer required.. BUT.. basically you needed a cable between house and remote building! [/QUOTE]
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Shed power trip alarm
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