LEESON Chassis Mount PWM Control: M1740009.00 - Manual (Page 24)

18 Application Notes
CW
S3
S2
S1
CW
5K
OHM
5K
OHM
HIGH
SPEED
LOW
SPEED
Figure 12. Adjustable Fixed Speeds Using
Potentiometers in Series
Replace the speed adjust potentiometer with a single pole,
multi-position switch, and two or more potentiometers in
series, with a total series resistance of 10K ohms. Figure
12 shows a connection for fixed high and low speed adjust
potentiometers.
Adjustable speeds using potentiometers in series