LEESON SCR Thyristor Motor Control - Manual (Page 32)

26 Operation SPEEDMASTER™ OPERATION MANUAL
Startup
174311 and M1740007
1. Turn the speed adjust potentiometer full counterclockwise
(CCW).
2. Apply AC line voltage.
3. Slowly advance the speed adjust potentiometer clockwise
(CW). The motor slowly accelerates as the potentiometer is
turned CW. Continue until the desired speed is reached.
4. Remove AC line voltage from the drive to coast the motor to
a stop.
174100, 174307, 174709, and M1740005
1. Set the speed adjust potentiometer to “0” (full CCW).
2. Apply AC line voltage.
3. Set the POWER switch to the ON position.
4. Slowly advance the speed adjust potentiometer CW. The
motor slowly accelerates as the potentiometer is turned
CW. Continue until the desired speed is reached.
5. Set the POWER switch to the OFF position to coast the
motor to a stop.