Swamp Cooler Pump Wiring Diagram. The above is a basic wiring diagram of how to wire up a thermostat for swamp cooler. Evaporative cooler installation to two speed motor includes thermostat, motor switch, pump switch, leads and installation wiring diagram.
Your cooler will run on either 120v or 240v a.c., single phase, 60 hz (cycle) current. 10) connect pump wires (cord) to cooler control box: There’ll be primary lines that are represented by l1, l2, l3, and so on.
