I went from a hlg-150h-54 running two qb648 diablos. I upgraded to a hlg-320h-c2100b an with light at same location full power the ppfd has gone down if anything. Ig I’ll just lower the light and dim it but if the 150 was brighter I should have stuck with it
Hi, sorry I don't have time to read all the replies, but I thought I could chip in quickly....
A driver doesn't PUT or PUSH out power... power is drawn by a load.
In other words, each strip you add will only draw as much power as it takes to achieve full power on the diodes.
This gets drawn from the reserves of the driver...
Many drivers short of an HLG600 series, will put out a minimum of 50% of their rated current. You should have enough strips on there so that by dividing the amount of power into the number of strips, you do not exceed their ratings.
the 320 puts out 76-152V @ 2.1A max, adding two of those panels, means each gets 1.05A
while the 150 is a 54v 2.8A driver. Adding two pannels to this would give 1.4A per board... the smaller driver will just work better...
I see those boards are rated up to 5A (I guess with some mean heatsinking)
Something like an HLG-480h-54 will give you 8.9A, so 4.45A per strip.....
I think about 2.5A should be fine for this job. An HLG-240h-55 gives 4.45A, so 2.25A per board... close enough.....
a 320-54 would get 5.95A /2= 2.98A per strip... on the hot side.... but a better fit than the C2100b.
Just for furter clarification... the A,B,C code you see at the end of the model number pertains to the dimming
A means it has onboard dimming via two screws... ost setups would leave V maxed and use the I screw for dimming.
B means the driver has an extra cord on for adding a potentiometer ( the 600 has an extra wire to that that carries low current voltage supply for electronic dimmers etc... usually left unconnected....)
AB means it has both of those options...