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Install lighting - dimmer suggestions
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<blockquote data-quote="Shane Presley" data-source="post: 31061" data-attributes="member: 110"><p>Re: Install lighting - dimmer suggestions</p><p></p><p>Thanks guys - as for the leprechon airflow... I made a plywood rack for them custom - air slots cut in the sides top to bottom, about 5-6" wide, right where the fan sections are. I know they exhaust out the front,and I have them paired (in other words two together, a single rack space, and two more together. They are together mostly because I have the power runs encased in the plastic weatherproof flex tubing ( at the request of the hydro inspector)... What I will do is adjust the tubing lengths, and seperate them from eachother, I think I'm getting some conductive heat transfer... I also have a dual 3 space rack fan, installed at the bottom of all the dimmers, blowing air OUT of the rack. I'm not sure this is aiding at all, any ideas on how to improve the air flow. I thought you reduce the effect of the internal fans, if you "force air" into the unit. The rack is located in the basement of the church, not in sunlight, in atleast a 10 degree cooler enviornment from the rest of the spaces...Also another thing which may or may not be related... The leprechon DMX-64 demultiplexer went down a couple weeks ago. it was repaired, but when I re-installed it, it would not push the dimmers to 100%. SO I adjusted the max trim on the dimmers (and it took a fair bit to get them to 100% output) - this was about 10AM sat - at 9:30 PM sat is when the call came in , that they were going thermal - the previous 6 months, they have not been a problem... Do you think I've adjusted the trim to the point where they are operating too hard ? Or just a coincidence that I had to adjust the trims. I suspect the demultiplexer had a component change, which is now not driving a full 10 volts for control. I already have a new dmx card coming from northlight systems, that I'll probably replace the leprechon demulitplexer.</p></blockquote><p></p>
[QUOTE="Shane Presley, post: 31061, member: 110"] Re: Install lighting - dimmer suggestions Thanks guys - as for the leprechon airflow... I made a plywood rack for them custom - air slots cut in the sides top to bottom, about 5-6" wide, right where the fan sections are. I know they exhaust out the front,and I have them paired (in other words two together, a single rack space, and two more together. They are together mostly because I have the power runs encased in the plastic weatherproof flex tubing ( at the request of the hydro inspector)... What I will do is adjust the tubing lengths, and seperate them from eachother, I think I'm getting some conductive heat transfer... I also have a dual 3 space rack fan, installed at the bottom of all the dimmers, blowing air OUT of the rack. I'm not sure this is aiding at all, any ideas on how to improve the air flow. I thought you reduce the effect of the internal fans, if you "force air" into the unit. The rack is located in the basement of the church, not in sunlight, in atleast a 10 degree cooler enviornment from the rest of the spaces...Also another thing which may or may not be related... The leprechon DMX-64 demultiplexer went down a couple weeks ago. it was repaired, but when I re-installed it, it would not push the dimmers to 100%. SO I adjusted the max trim on the dimmers (and it took a fair bit to get them to 100% output) - this was about 10AM sat - at 9:30 PM sat is when the call came in , that they were going thermal - the previous 6 months, they have not been a problem... Do you think I've adjusted the trim to the point where they are operating too hard ? Or just a coincidence that I had to adjust the trims. I suspect the demultiplexer had a component change, which is now not driving a full 10 volts for control. I already have a new dmx card coming from northlight systems, that I'll probably replace the leprechon demulitplexer. [/QUOTE]
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