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Do-It-Yourself (DIY) Question & Answer Forum
Power supply for a 6.8 kW multi outdoor A/C
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 545146" data-attributes="member: 250"><p>Even if there is a 32A ring final circuit.. you would need to take account of what other loads also share that ring...</p><p>how much spare capacity and how evenly, (or-not), they are distributed around the ring...</p><p>e.g. is this ring also supplying a kitchen/utility?</p><p></p><p>The generic installation manual suggests that the 'model 24' requires a 20A overcurrent circuit breaker and a 30ma Earth Leakage breaker..</p><p><a href="https://www.fujitsu-general.com/datafiles/W9319205465-0601_IM_En_AOYG36KBTA5.pdf" target="_blank">https://www.fujitsu-general.com/datafiles/W9319205465-0601_IM_En_AOYG36KBTA5.pdf</a></p><p></p><p>The PDF above was what resulted from putting your model No into these search option..</p><p><a href="https://www.fujitsu-general.com/uk/support/downloads/search/index.html" target="_blank">https://www.fujitsu-general.com/uk/support/downloads/search/index.html</a> </p><p></p><p>I haven't fitted any of these.. But if I were.. I doubt I would be spurring off a ring...???</p><p>I would be considering the inconvenience factor if the ring supply trips the power off and you can't immediately reset the power? </p><p></p><p>So your dedicated 20A supply option, (even if a tad more expensive initially), would be the most economical long term option if taking reliability into account and the guidance suggested by the product manufacture.</p><p></p><p>I would NOT be recommend the ring option to any of my customers if I were quoting for the work. </p><p>hope that helps? <img class="smilie smilie--emoji" loading="lazy" alt="🍻" title="Clinking beer mugs :beers:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f37b.png" data-shortname=":beers:" /></p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 545146, member: 250"] Even if there is a 32A ring final circuit.. you would need to take account of what other loads also share that ring... how much spare capacity and how evenly, (or-not), they are distributed around the ring... e.g. is this ring also supplying a kitchen/utility? The generic installation manual suggests that the 'model 24' requires a 20A overcurrent circuit breaker and a 30ma Earth Leakage breaker.. [URL]https://www.fujitsu-general.com/datafiles/W9319205465-0601_IM_En_AOYG36KBTA5.pdf[/URL] The PDF above was what resulted from putting your model No into these search option.. [URL]https://www.fujitsu-general.com/uk/support/downloads/search/index.html[/URL] I haven't fitted any of these.. But if I were.. I doubt I would be spurring off a ring...??? I would be considering the inconvenience factor if the ring supply trips the power off and you can't immediately reset the power? So your dedicated 20A supply option, (even if a tad more expensive initially), would be the most economical long term option if taking reliability into account and the guidance suggested by the product manufacture. I would NOT be recommend the ring option to any of my customers if I were quoting for the work. hope that helps? 🍻 [/QUOTE]
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Power supply for a 6.8 kW multi outdoor A/C
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