Find a detailed wiring diagram for Mastercool evaporative coolers to ensure proper installation and operation. This diagram will help you understand how to connect the various components of the cooler and troubleshoot any electrical issues that may arise. Get the most out of your Mastercool cooler with an accurate wiring diagram.. The swamp cooler wiring pictured and explained here is unnecessary if you are installing a window mount cooler or a sidedraft style window cooler. Both of these simply plug into the wall, and utilize the provided switch on the front of the discharge grille.
An evaporator cooler switch is a much better option since it can change from low to high speed as well as fan and pump only. Example Swamp Cooler Switch Wiring Schematic.. Find a wiring diagram for your evaporative cooler and learn how to properly install and wire it for optimal performance.