With the breaker turned off the wires can be disconnected and the cable removed from the e lectrical compartment of the ac unit. The 4430 switch has three sets of contacts.
Square D 40 60 Pump Low Pressure Cut Off Switch
Cut off switch wiring diagram. Switch off the power that feeds the pump circuit while you are wiring the switch. Below is an ignition kill switch wiring diagram. Step 2 prepare to wire the disconnect switch. You can either switch off the circuit breaker or pull the fuse that controls the power. With the engine running turn the switch off. The engine should stop and all circuits should be off.
By using a wiring diagram for your car you should be able to find which wire is your ignition cable and determine the proper one to cut into. Mcdonnell miller low water cutoff wiring diagram wiring diagram is a simplified okay pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the knack and signal friends between the devices. The wiring diagram to the right will show how to wire and power this 12v 20amp on off on 3 way carling contura rocker switch. Once the wire is cut you can either solder the 2 ends of the wire into the switch or use additional connectors and crimp it on no soldering required. Step 2 open the pressure switch wire box by removing the plastic or metal cover. When wiring this switch you can choose if youd like to illuminate it because of the independent lamp attached to terminals 8 and 7.
These 38 stud terminals break contact to isolate the battery when the switch is turned off. Or these terminals can be ignored for non backlit switch banks. Mains normally open switch off means circuit is off. Generally there is a thumbscrew mounted on top of the pressure switch to easily remove the. For a new ac installation a cable must be installed from the disconnect to reach up to the main electric panel. 4430 master battery cut off switch function summary.
Gallery of Cut Off Switch Wiring Diagram
