Recent content by Maxburn

You must conceptually understand how the process you are controlling works. You must understand how changes in the field report back through sensors to your controllers, and how outputs on your controllers drive something to create a change in the process. Be able to select the best sensor or...

Defrost mode on a heat pump stops the outdoor condenser fan and switches the reversing valve to cooling mode (steal heat from inside house to heat/de-ice the outdoor coil). Triggering this sequence is generally based on outdoor air temp and a coil frost sensor. At the same time the indoor aux...