P7810 combines proportioning and operating control and safety limit switching functions, model dependent. d. T o support two motors, reference figure 1. e. Line voltage pressure controller that provides automatic operating control, automatic limit protection, manual reset limit protection, and 4-20ma modulating Firing rate wiring diagram using P7810C. PressureTrol® Controller and Series 90 Modutrol® Motor with manual position potentiometer and auto-manual switch. Fig. Honeywell Pressuretrol Controller, Limit control 0-15psi, Operate 2-10psi, P7810C-1000 · Description · Reviews (0)User Manual: Honeywell Switch L404T. The P7810C PressureTrol® Controller is a line voltage P7810C PressureTrol® Controller with On/Off control,. 65 0285 P7810C PressureTrol® Controller Honeywell Switch L404T Hw P7810Cpressuretrol Ds. User Manual: Honeywell Switch L404T. Open the PDF directly: View Manual reset possible without opening the cover. Electronic maximum fixed stop limit. APPLICATION The P780C PressureTrol Controller is a line voltage