LEESON NEMA 4X SCR Control: 174107.00 - Manual (Page 25)

19 SPEEDMASTER™ OPERATION MANUAL Operation
174103
Manual Operation
1. Set the Signal/Manual Switch located on the enclosure to the
MANUAL position.
2. Set the speed adjust dial to “0” (full CCW).
3. Apply AC line voltage
4. Set the POWER switch to the ON position
5. Slowly advance the speed adjust dial CW. The motor slowly
accelerates as the dial is tunred CW. Continue until the
desired speed is reached.
6. To coast the motor to a stop, turn the speed adjust dial to “0” or
set the POWER switch to the OFF position.
Signal Operation
1. Set the Signal/Manual Switch located on the enclosure to the
SIGNAL position.
2. Apply AC line volage.
3. Set the POWER switch to the ON position
4. Apply minimum current or voltage signal. Adjust the SIG MIN
trimpot to achieve the desired minimum motor speed.
5. Apply the maximum current or voltage signal. Adjust the SIG
MAX trimpot to achieve the desired maximum motor speed.