CXB3590 36V, 3500K (x15), HLG 240h-1400b Driver (x3), 5.886" x46" HUSA Passive Heatsink (x3) setup

U

unbindmoney

Active Member
Hey guys,
After doing hours of research and posting other setups here this is my latest Set-up I have in mind, and the one I think is my favorite so far. Basically I will be running 5 COBs per Driver on one Heat Sink. This light set-up is for my flowering tent, and I will set-up a smaller vegetation with it's own lighting later. I am using a 4'x4'x7' iPyarmid Grow Tent.

CXB 3590 36V, 3500K (x15)

https://cobkits.com/product/cree-cxb3590-36v/

HLG 240h-1400b Driver (x3)

http://www.mouser.com/ProductDetail/Mean-Well/HLG-240H-C1400/?qs=EaAZLd8vSkgTKEXXXqKm8A==

5.886"x46" HUSA Passive Heat Sink (x3)

http://www.heatsinkusa.com/5-886-wide-extruded-aluminum-heatsink/


I will be running my HLG 240h-1400b Drivers at 75% (dimmed to 1050 mA), which would only require a 5.886" x 32" Heatsink. However, if I were to up the drivers to 100% (running @ 1.4a) I would require a 5.886" x 49" Heatsink!. Would it even be possible to fit a 5.886" x 48" heatsink in a 48" x 48" tent? If I were to run the drivers @ 100%, which fans can I add to cool it down?

With 15 COBs with 3 of these drivers powering them @ 1050 ma (or 75%) it will generate 567W power at the wall with a COB efficiency of 61.5% And with me living in SoCal, that seems like a perfect balance for me, what do you guys think?
 
HydoDan

HydoDan

Well-Known Member
I bought the same 5 cob setup from Timber for a 28"x 52" tent.. after doing some testing I went with one more cob
and the hlg 320 @ 1400ma..for better coverage... from what I understand 50 watts is the sweet spot for these cobs..
You may want to measure inside your tent, if the material is slack enough, a 47-48" heat sink may fit...
 
U

unbindmoney

Active Member
HydoDan said:
I bought the same 5 cob setup from Timber for a 28"x 52" tent.. after doing some testing I went with one more cob
and the hlg 320 @ 1400ma..for better coverage... from what I understand 50 watts is the sweet spot for these cobs..
You may want to measure inside your tent, if the material is slack enough, a 47-48" heat sink may fit...
Click to expand...
I actually havent set up my tent yet, its still sitting in a box :p Need to clean and make a platform for the tent since its a carpeted area. I'll definitely measure it when I set it up.
 
B

bseeds

Well-Known Member
did you double check your math on heat sink if your correct maybe you fan running in your grow tent would cool it enough to run full power if you did not want to put a fan on each heat sink your length is really close to being passive now
 
U

unbindmoney

Active Member
bseeds said:
did you double check your math on heat sink if your correct maybe you fan running in your grow tent would cool it enough to run full power if you did not want to put a fan on each heat sink your length is really close to being passive now
Click to expand...
I plan on putting 2 140mm Fans on each heatsink. Advice from Airwalker16
 
You must log in or register to reply here.
Top