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#1
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Means if your ballast is rated @ 128watts and you run 1 39watt t5 the ballast will run a lot cooler and last much longer than if you ran 3 39 watt bulbs which heats up the ballast much more. The higher the load/bulbs used the harder the ballast has to work to fire them.
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Hey! I never "LEFT" the hobby, just doing fresh water now. Which is still listed as part of Canreef if I'm not mistaken. |
#2
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It won't overdrive if you connect as directed, regardless whether you run 1, 2 or 3 bulbs (not sure you can run just one bulb though). The ballast will pull the power needed to power only the bulbs connected plus a little more depending on the power factor.
Last edited by sphelps; 01-11-2015 at 08:06 PM. |
#3
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From my experience with fluorescent lighting, if a ballast is trying to fire a lamp that is faulty or not there, the ballast will eventually fail. Same with HID. Fluorescent lighting "general". 39W lamp will draw 39W until it gets older, then I'm told it will draw a bit more. Over ballasting a lamp will cause the lamp to burn out quicker. Using a 2 or 3 lamp ballast for a single lamp will cause the ballast to fail quicker. I have never used the workhorse series of ballasts, they look adaptable to different situations. Probably more expensive and why I don't see them on jobs. If you can find the right wiring diagram for what you want to set up I'd go with that. Wiring diagrams should be on their website. |
#4
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Ok, so it's not like halide lamps which the ballast puts "X" watts into the bulb. T5 draw the power they need rather than receiving whatever is given.
Straight from the Fulham website, I can find wiring diagrams for the Work Horse 5 for both 2-39W bulbs and 3-39W bulbs (not for just one). I don't see anything about their recommended combination - maybe I will email them. Given the information you guys have provided though, I would be best off running 3-39W lamps on each of these ballasts? What do they mean by "for linear lamps use a starting aid"? Last edited by Myka; 01-11-2015 at 10:37 PM. |
#5
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I think a starting aid is just grounded metal down the length of the lamp, within a half inch or so. Usually just the metal body of the fixture, haven't heard that term I a while... It will help draw the electric arc down the length of the lamp to the other end while it's trying to start.
Are you able to post a pic of the ballast? |
#6
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As for how many lamps you want to run on each ballast? Should get rated life of ballast with 2 or 3 lamps. Slightly more electrically efficient with 3 lamps but negligible considering everything else we have in our tanks. |