Patro
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I needed a lighting control solution that could operate two rooms, each with 32 lights. Here is my solution.
I began with a cheap breaker box and gutted it. I then outfitted it with 24 volt bullhorn DPDT relays, a 115/ 24 volt transformer and a time delay relay
View attachment 904785
Here's a close up of the interior of the box. The TDR (time delay relay) delays 16 of the 32 lights for about 15 seconds. This prevents potential surges, allowing lighting to come on sequentially.
View attachment 904788
View attachment 904786
This actually has control for 64 lights (two rooms of 32 lights each.) The relays are DPDT, meaning when the relays are energized Grow Room #1 lighting comes on. In 12 hours when the lights go off in Grow Room #1, Grow Room #2 is then energized by default.
View attachment 904789
This made a rather expensive lighting control feasible in a DIY project. The only addition to the flip boxes not seen here are a small 3 inch fan. It will draw air down low and discharge it up high. The enclosure is lidded and contains a transformer and a handful of relays. Not a lot, but enough heat generates inside the cabinet for me to incorporate a little air exchanging. The fan only needs to run 50% of the time....i.e. when the transformer and relays are energized, meaning when the lights in Grow Room #1 are on, the fan operates. When the lights come on in Grow Room #2, the fan need not run
View attachment 904790
I began with a cheap breaker box and gutted it. I then outfitted it with 24 volt bullhorn DPDT relays, a 115/ 24 volt transformer and a time delay relay
View attachment 904785
Here's a close up of the interior of the box. The TDR (time delay relay) delays 16 of the 32 lights for about 15 seconds. This prevents potential surges, allowing lighting to come on sequentially.
View attachment 904788
View attachment 904786
This actually has control for 64 lights (two rooms of 32 lights each.) The relays are DPDT, meaning when the relays are energized Grow Room #1 lighting comes on. In 12 hours when the lights go off in Grow Room #1, Grow Room #2 is then energized by default.
View attachment 904789
This made a rather expensive lighting control feasible in a DIY project. The only addition to the flip boxes not seen here are a small 3 inch fan. It will draw air down low and discharge it up high. The enclosure is lidded and contains a transformer and a handful of relays. Not a lot, but enough heat generates inside the cabinet for me to incorporate a little air exchanging. The fan only needs to run 50% of the time....i.e. when the transformer and relays are energized, meaning when the lights in Grow Room #1 are on, the fan operates. When the lights come on in Grow Room #2, the fan need not run
View attachment 904790