The switch pictured here is the most common switch available for a conventional downdraft or sidedraft swamp cooler installation.
Evaporative cool swamp cooler switch wiring diagram.
This is a two speed switch with fan only option and pump only option.
Be sure to always follow the schematics from the manufacture for any motor or switch.
Wiring a evaporative swamp cooler switch here is how to wire up a 120 volt swamp cooler switch controller here for a plete write up on wiring a swamp cooler controls how to wire a swamp cooler motor how to wire a swamp cooler motor by john cagney the manufacturers of blower motors do not subscribe to a universal color code for their wiring.
Motors and switches wiring can change from different manufactures.
This 6 position rotary switch can be used with 1 3 to 3 4 hp motors.
Each component should be set and connected with different parts in specific manner.
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The swamp cooler wiring pictured and explained here is unnecessary if you are installing a window mount cooler or a sidedraft style window cooler.
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The wiring of a swamp cooler is not complex but if you have never wired up a motor before or feel uncomfortable with electricity it is advisable to hire an electrician to wire up your cooler.
Otherwise the structure will not function as it ought to be.
Here is how to wire up a 120 volt swamp cooler switch controller.