FLIP-BOXES

 

Too save on ballasts, Flip-Box units are used to operate lighting in two separate greenhouses. Both greenhouses utilize a 12 hour on and 12 hour off lighting cycle. To operate two lights from one ballast, a switching unit (Flip-Box) is used. As one bulb is on, the other is off, and this cycle rotates every twelve hours. The lamp output from each ballast is plugged into the Flip-Box unit. A digital Aube timer controls the on and off cycle. Inside the Flip-Box is a heavy duty relay to switch between two bulbs. A Flip-Box unit can control up to forty lights, twenty lights per greenhouse. There are several options available per Flip-Box. If you have Sunlight or Hydrofarm style lampcords and receptacles, the Flip-Box can be built using those proprietary lampcords and receptacles. For larger greenhouses, a PLC can be installed to control a delay for each ballast. This allows bulbs to power on in each greenhouse in a sequence and time delayed, from a couple seconds to a hour. The PLC is simple to program the delay sequences. With larger greenhouses, a separate Load Center is required to power the ballasts and other peripheral equipment.

 

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Internal views shows the heavy duty relays used for switching between lights. All wiring connections are made with ratchet crimps for a more secure connection. For Flip-Boxes using Hydrofarm or Sunlight lampcords and receptacles, this will add to the manufacturing costs of a basic Flip-Box, due to the cost of these items. NEMA 5-15 receptacles and twistlock receptacles are also available.