All the way up

iPerculate

iPerculate

Well-Known Member
Got a couple HLG 260W lights, was just wondering if most of you guys run with the driver turned all the way up or if its better to run these at a lower wattage. Thinking in terms of longevity and efficiency I assume it would be better to stay at 80% or so, but i'm wondering if there is an ideal % to run at or if it doesn't matter that much at all.
 
Boatguy

Boatguy

Well-Known Member
iPerculate said:
Got a couple HLG 260W lights, was just wondering if most of you guys run with the driver turned all the way up or if its better to run these at a lower wattage. Thinking in terms of longevity and efficiency I assume it would be better to stay at 80% or so, but i'm wondering if there is an ideal % to run at or if it doesn't matter that much at all.
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Its more about how cool they stay in terms of longevity and efficiency.
You can run them full blast as long as they stay cool. A fan blowing down on the heat sink will make a big difference in temps
 
GBAUTO

GBAUTO

Well-Known Member
On the 480w QB fixture I use, I keep it at 20" above canopy and run from 50% power during veg to 100% power during transition.
I also have a small clip fan blowing on the back of the fixture-makes a huge difference in board temps.
 
iPerculate

iPerculate

Well-Known Member
I added the fan and it made a huge difference, I have the light turned all the way up now and the heatsink and driver are significantly cooler. The fan only pulls 10 watts on low but I still put it on the same timer as the light.

Not a lot of info out there suggesting to point a fan at these lights, thanks guys
 

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