Normally Open Pressure Switch Wiring Diagram. Certified buggy nut riding enthusiast and gy6 mad scientist. One terminal is labeled C for common one is labeled NO for normally open and one is labeled NC for normally closed.
The Discharge Pressure Switch has a SPST switch that can be wired for a normally open or normally closed discharge input to the system control panel. Referring to circuit 30-2A explain the operation of the circuit if pressure switch PS was connected normally closed instead of normally open. Its components are shown by the pictorial to be easily identifiable.
Exhaust is on the end marked IN-NO EX-NC.
When the oil pressure rise each will change. This is a common contact arrangement used on many pi- lot devices and control relays see Figure 5 2. Choose from 98 different sets of hvac electrical symbols wiring diagram flashcards on Quizlet. Trinary Pressure Switch with Female Fitting and 4 Terminal 1224V Normally Open RD5-4583-0 71R-7550 1560 2601042 4900 PRESSURE SWITCH RED DOT 71R7550 RD-5-4583-0P In stock Trinary Pressure Switch.