Two Speed Swamp Cooler Motor Wiring

Both of these simply plug into the wall and utilize the provided switch on the front of the discharge grille.

Two speed swamp cooler motor wiring. Solder all connections and use a shrink wrap insulation kit to seal the connections. A six position rotary switch has a position for off low speed fan high speed fan low speed fan with pump high speed fan with pump and pump only. The durable steel motor can be used in a new cooler or as a replacement motor for an existing unit. When voltage is applied to the low side the windings in the motor it will turn the motor slower.

Red low. A two speed motor will typically be prefitted with four short wires which must be connected to the swamp cooler control circuit and the 120 volt circuit. Take the romex cable and guide it from the electric makeup box of the swamp cooler to the electric panel box with the breakers. In many instances the low and high speed coils share an external wire.

If there is a hole blank in the panel remove it with the screwdriver and or the pliers. The swamp cooler wiring pictured and explained here is unnecessary if you are installing a window mount cooler or a sidedraft style window cooler. Pmi s 3 4 hp 120 volt 2 speed evaporative cooler motor pmi s 3 4 hp 120 volt 2 speed evaporative cooler motor has such stringent performance requirements that it holds a strong 3 year warranty. Fix the connecting nuts with the wire pliers.

6 position wall switch for 2 speed evaporative coolers to control high and low speeds a qualified electrician should check all wiring and circuit motor and pump voltage and amperage must not. Then plug the box connector in the hole. 2 speed 3 4 hp evaporative cooler motor the dial 3 4 hp evaporative cooler motor the dial 3 4 hp evaporative cooler motor is built for reliable performance in 115 volt evaporative coolers. When voltage is applied to the high side the windings in the motor will turn it faster.

It s built for reliable long life performance. Additionally the low speed coil is typically supplied by a red wire while the high speed coil is fed by a black wire. Step 2 run romex cable. If your swamp cooler only has one fan speed wire the fan to terminal 1 the black wire operates the motor s high speed.

Swamp cooler wiring color codes. Motor on the old one and the new one.