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Thursday, June 18, 2020

Kiln control retrofit



Original control was two switches with high low off for each element. No temperature control at all. It required close watching.
  New control kit has two SSR's a type K thermocouple and a ramp and step control. From Amazon https://www.amazon.com/gp/product/B07YN5YLS6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Mostly installed, I put the SSR's low to keep them out of the heat and made a heat shield for the controller.
Thermocouple installed in the upper peep hole. Controller pulses SSR's to control heat input.