Belt Driven Attic Fan Motor

The motor30bd is the replacement motor for the master flow 30 in.

Belt driven attic fan motor. Model xe423a this 2 speed belt drive motor replaces 24 in 30 in and 36 in. Belt drive attic fan motors. Belt driven fans are used in heating ventilation air conditioning and cooling hvac systems. This technology makes for a more stable motor mount is stronger than tube style bracing and uses dual ball bearing technology for superior shaft alignment and stability.

Generally such fans are cheaper than direct drive fans of comparable size. Minimal tools needed for replacement. The cool attic 24 belt drive two speed whole house fan has been re engineered to virtually eliminate vibration with bracing technology. 1 3 hp 1725 rpm 115v whole house fan motor dayton 3k384.

The speed of a fan wheel versus the speed of the motor with a belt drive can be calculated as df nf dm nm 1. This motor includes the capacitor and is ready for installation. For use on master flow model 30bwhfs. In a belt driven configuration the motor exists independently of the fan blades and at least one belt sometimes more connects the motor to the fan s moving parts.

Belt driven whole house fan models and must be wired into your switch assembly to complete installation. The motor is easy to install with the whole house fan in place no need to remove the entire unit. Fan motor is attached to blade with a pulley for quieter operation than direct drive models made with a rubber mounted self aligning precision ball bearing drive assembly to reduce friction feature two speed operation with a convenient wall mounted switch an enamel steel housing with a powder coated finish makes them extremely durable. Keep air circulating in your attic with this split phase motor.

For use only with cool attic whole house fans. This motor is compatible with fan models beginning in cx24bd2spd cx30bd2spd and cx36bd2spd excluding hub models. The vents are angled to prevent water from entering the enclosure from above. Belt driven fans offer greater flexibility in terms of rpm speed.

1 3 hp 1725 rpm 2 speed 115v whole house fan motor dayton 3k386.