Step1: Disconnect power supply, switch off main breaker, and lockout/tagout fryer to prevent electric shock, verify absence of voltage with a multimeter.
Step2: Remove access panel and note wiring positions of old contactor.
Step3: Mount new contactor securely on DIN rail or mounting bracket inside control box.
Step4: Reconnect control and load wires as per wiring diagram according to schematic ensuring tight terminals.
Step5: Restore power and test contactor operation during fryer ignition cycle check for proper coil activation and abnormal noise.