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workhorse 7

Printed From: Utah Reefs
Category: Specialized Discussion
Forum Name: Equipment
Forum Description: This is the place to ask question about reef equipment.
URL: http://www.utahreefs.com/forum/forum_posts.asp?TID=2064
Printed Date: February 14 2025 at 6:02am
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Topic: workhorse 7
Posted By: peregrinus
Subject: workhorse 7
Date Posted: March 11 2004 at 10:33am
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



Replies:
Posted By: jfinch
Date 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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Jon

https://www.youtube.com/channel/UC6y_EzjI_ljbIwf2n5uNzTw" rel="nofollow - What I've been doing...



Posted By: Ryan Willden
Date Posted: March 11 2004 at 12:09pm
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.


Posted By: peregrinus
Date Posted: March 11 2004 at 12:32pm
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


Posted By: jfinch
Date 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.



-------------
Jon

https://www.youtube.com/channel/UC6y_EzjI_ljbIwf2n5uNzTw" rel="nofollow - What I've been doing...



Posted By: DutchDude
Date 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.

 



Posted By: peregrinus
Date Posted: March 11 2004 at 1:34pm
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??


Posted By: jfinch
Date Posted: March 11 2004 at 1:39pm

P.s. do you just cap off the 4th wire??

Cap and tape is what I do.



-------------
Jon

https://www.youtube.com/channel/UC6y_EzjI_ljbIwf2n5uNzTw" rel="nofollow - What I've been doing...



Posted By: peregrinus
Date Posted: March 11 2004 at 1:46pm
Ok thanxs.. thats what i though just had to make sure.
Brian


Posted By: Ryan Willden
Date 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.


Posted By: jfinch
Date 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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Jon

https://www.youtube.com/channel/UC6y_EzjI_ljbIwf2n5uNzTw" rel="nofollow - What I've been doing...



Posted By: peregrinus
Date Posted: March 11 2004 at 6:26pm
Well got the wiring done just need to go get some bulbs. i think i'll pick some up tommarow.


Posted By: peregrinus
Date Posted: March 15 2004 at 7:41pm
ok its all done.






Thanxs for all your help.

-------------
In Clearfield

Quantum mechanics the dreams stuff is made of.


Posted By: jfinch
Date Posted: March 15 2004 at 10:37pm
Awesome!  Looks good.

-------------
Jon

https://www.youtube.com/channel/UC6y_EzjI_ljbIwf2n5uNzTw" rel="nofollow - What I've been doing...



Posted By: Ryan Willden
Date Posted: March 16 2004 at 7:52am
Glad the bulbs worked for you.   


Posted By: peregrinus
Date Posted: March 16 2004 at 11:08am
Yeah they worked great thanxs ryan.
Hey Ryan hows the corals?

-------------
In Clearfield

Quantum mechanics the dreams stuff is made of.


Posted By: Ryan Willden
Date Posted: March 16 2004 at 5:01pm
They look awesome! Thanks for picking them up for me.



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