Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
When there is too much ammonia and not enough ice, this will toggle recipes in the chemical plant. the liquid in the plant is lost when the recipe flips.
The red wire on the substation goes to a roboport for reading ice
The gren wire on the substation goes to the storage tank(s)
