Motor Positions

Belt Driven Centrifugal Fans

Positions W & Z are the most compact if the motor will fit close to the fan. With the current trend to fans on unitary bases (Arrgt. 9H), this is more common than ever. Positions X & Y will typically take more space

Note: RIGHT and LEFT are viewed from the drive side.

Arrangement 9 Motor Base Positions

A/9R- Arrangement 9 with motor on right side of the bearing pedestal.

A/9L- Arrangement 9 with motor on left side of the bearing pedestal

A/9T:- Arrangement 9 with motor on top of the fan housing.

A/9SL:- Arrangement 9 with motor on left side of fan housing.

A/9SR:- Arrangement 9 with motor on right side of fan housing.

Axial and Inline Centrifugal

A/1L- Arrangement 1 with motor on left.

A/1R- Arrangement 1 with motor on right

Using analog clock hour:minutes is common to specify Arrangement 9 motor positions on axial fans including inline Centrifugal fans. Usually motor positions on these fan types are only important for the location of nameplates and mounting feet or brackets.

45° = 1:30
90° = 3:00
135° = 4:30
180° = 6:00

225° =7:30
270° =9:00
315° =10:30
360° =12:00