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Do-It-Yourself (DIY) Question & Answer Forum
Heat detector placement - skylight
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<blockquote data-quote="Fleeting" data-source="post: 511178" data-attributes="member: 33702"><p>The problem here is the void dropping away by the detector and how this affects the performance of the detector. On a flat ceiling heat can readily accumulate around the device however the void can produce a chimney and possible vortex effect drawing heat away from the detector. This drawing of heat can be considered the reservoir effect whereby it is drawn away from the detector and pooled into the void until sufficient heat is accumulated into said reservoir to equalise and drop down to cause the detector to activate. </p></blockquote><p></p>
[QUOTE="Fleeting, post: 511178, member: 33702"] The problem here is the void dropping away by the detector and how this affects the performance of the detector. On a flat ceiling heat can readily accumulate around the device however the void can produce a chimney and possible vortex effect drawing heat away from the detector. This drawing of heat can be considered the reservoir effect whereby it is drawn away from the detector and pooled into the void until sufficient heat is accumulated into said reservoir to equalise and drop down to cause the detector to activate. [/QUOTE]
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Heat detector placement - skylight
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