• Cooling Tower Duty Motor


    Cooling tower duty motors in Marley products are built according to NEMA standards and designed to withstand exposure to hot, moist cooling tower conditions. The TEFC (totally-enclosed, fan-cooled)

  • Electronically Commutated (EC) Motor


    Some SPX Cooling Technologies products with low hp requirements include electronically commutated (EC) motors. Cooling towers that use high-efficiency EC motors usually have smaller capacity and

  • Fan Motor Overamping

    library | White Papers

    Overamping occurs when the amperage drawn by the fan motor exceeds the fan motor nameplate amperage. In other words, more horsepower is required than the recommended maximum for the motor.

  • Damper Actuator Engineering Data and Specifications

    library | Engineering Data, Specifications

    Damper actuator for Marley fluid coolers

  • Permanent Magnet Direct Drive Fan Motor


    Direct drive permanent magnet motors are a newer technology available on most Marley NC Cooling Towers. The permanent magnet motor directly drives the fan, eliminating a number of components,

  • Marley Electric Motor User Manual

    library | Manuals

    Installation, operation and maintenance of Fan Motors on Cooling Towers

  • Marley SofTork Series MC Coupling Manual

    library | Manuals

    Assembly, Alignment, and Maintenance Manual

  • Motor Space Heater

    library | Technical Papers

    The space heater keeps the internal temperature of the motor above the ambient dew point while the motor is OFF. The heater helps to prevent condensation from forming inside the motor which can be damaging to motor windings, bearings and electrical

  • Marley Insight - Direct Drive Fan Motor

    library | Brochures

    Since 2011, SPX Cooling Technologies, Inc. has offered permanent magnet motors to meet our cooling tower customers’ direct drives requirements.


Marley Cooling Tower Parts