
18
Application Notes
This is accomplished by replacing the speed adjust pot (P1) with
two or more potentiometers connected in series (total series
resistance must be 10K Ohms) and a multi-position switch.
Illustrated is a connection diagram for two speed control with high
and low speed adjust pots. See Figure 6 below.
Adjustable Speeds in Two or More Non-Overlapping
Speed Ranges
Figure 6.
Two Non-
Overlapping
Speed Ranges
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