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peregrinus 
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 Topic: workhorse 7
Posted: March 11 2004 at 10:33am |
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Ok for those ppl using the workhorse 7 with 2 110w vho's. How did you wire the bulbs? one red wire to each lead on each bulb?
Brian
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jfinch
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Posted: March 11 2004 at 11:04am |
No, three reds to one bulb, yellow to other bulb, then wire the other end of the bulbs togther.
Do a search, I must have answered this question 10 times here, I think there's even drawings.
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Ryan Willden
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Posted: March 11 2004 at 12:09pm |
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I did mine a little differently. Yellow to the same end of the two bulbs (Jumped together,) and then a pair of reds for each bulb. It worked fine for me.
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peregrinus
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Posted: March 11 2004 at 12:32pm |
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Yeah i did a search and found it seem that ppl wire these two ways. so i was checking to see what everyone else was doing. so far i see you can do 3 wires to one bulb connect the ends and the yellow off the second bulb and one red wire for each pin then connect the other end to the yellow.
is one way better then the other?
Brian
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jfinch
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Posted: March 11 2004 at 12:36pm |
I think with only two red wires going to each bulb you will be underpowering the bulbs. With three wires to one bulb and the bulbs wired in series you trick the ballast into thinking it's powering one 8 ft vho bulb at full amp draw.
edit: FWIW, I did a little rewire work on John Fletchers ballast that was wired by Brad at The Aquarium. John's got an Icecap 440 powering 4 2' bulbs wired with two bulbs in series, like I suggest with with the WH7. John's not had any problems either, so I guess the advice could be extended to Icecaps too.
Edited by jfinch
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DutchDude
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Posted: March 11 2004 at 12:42pm |
We just got done experimenting with this - wiring one set in parallel, and one set in series. They both work, but when looking at them side by side, you do get more light from the set wired in series, just like Jon suggested.
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peregrinus
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Posted: March 11 2004 at 1:34pm |
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Ok cool thanxs guys for your help i'll be doing the wiring this weekend..
thanxs
Brian
P.s. do you just cap off the 4th wire??
Edited by peregrinus
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jfinch
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Posted: March 11 2004 at 1:39pm |
P.s. do you just cap off the 4th wire??
Cap and tape is what I do.
Edited by jfinch
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peregrinus
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Posted: March 11 2004 at 1:46pm |
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Ok thanxs.. thats what i though just had to make sure.
Brian
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Ryan Willden
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Posted: March 11 2004 at 4:39pm |
Jon, that makes sense now that you put it that way. I don't have mine connected like that anymore because I decided to run them both off of seperate ballasts to make sure I was getting "optimum" light output. The 10K Ushio's are not as Blue as I would like, so I need as much actinic as I can get.
Thanks for clarifying that for us Jon. 
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jfinch
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Posted: March 11 2004 at 5:00pm |
You can never have too much actinic light, imo. Even with 20K's I still like VHO actinics  .
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peregrinus
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Posted: March 11 2004 at 6:26pm |
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Well got the wiring done just need to go get some bulbs. i think i'll pick some up tommarow.
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peregrinus
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Posted: March 15 2004 at 7:41pm |
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In Clearfield
Quantum mechanics the dreams stuff is made of.
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jfinch
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Posted: March 15 2004 at 10:37pm |
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Awesome! Looks good.
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Ryan Willden
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Posted: March 16 2004 at 7:52am |
Glad the bulbs worked for you.
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peregrinus
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Posted: March 16 2004 at 11:08am |
Yeah they worked great thanxs ryan.
Hey Ryan hows the corals?
Edited by peregrinus
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In Clearfield
Quantum mechanics the dreams stuff is made of.
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Ryan Willden
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Posted: March 16 2004 at 5:01pm |
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They look awesome! Thanks for picking them up for me.
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