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AusChristmasLighting 101 Manual
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101 display basics
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[QUOTE="TerryK, post: 114955, member: 32169"] Question #1: I think the RSP-3000 is somewhat an 'overkill'. It's rated for about 200 Amp; unless you plan on powering other props with it in the future. For the tree, you did not indicate what pixel you plan on using but a ball park amperage draw can be calculated as [# of strings] * [# of pixels per string] + [# of topper pixel] * [100% white pixel amp] * [planned drive level]. That would be ((48 * 100) +270) * .06 * .3 = 91/92 Amp. A LRS-350-12 supplies about 29 Amp so 3 would be borderline, 4 should drive the tree. What you will need to consider is if a 30% drive level is acceptable. Designing for say 40% or 50% and driving at 30% will build in some headroom. From here you will need to determine how many strings each supply powers and how to route their power through the controller. A F16 and 2 expansions have 3 V1 and 3 V2 power connectors (6 total) spread across 4 supplies is not very logical. A possibility is to use 6 LRS-350-12 supplies or rather than a RSP-3000 drop to a single RSP-1600-12 (about 120 Amp output). A single supply is less hassle I think. There is a cost factor too but the RSP supplies are of a better quality than the LRS series. Question #2: Bit difficult to say, your choice I think. Connecting them together there is more of a risk of breakers tripping; inrush current when they are first powered. Meanwell is a bit vague on the LRS-350-xx series primary current specification. With either a larger single supply or the number of smaller ones you are considering I would probably power it with 240AC although I would not be enthused about 240 strung across the yard (not real crazy about 120 either). As to layout or diagram or confusion, keep asking questions, ACL members will keep supplying suggestions. [/QUOTE]
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