Flowserve DFP17 User Manual
Page 27
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WCAIM2037
DataFlo Digital Electronic Positioner DFP17 Installation, Operation and Maintenance Instructions
27
6.0 APPLICATION NOTES
6.1 Bypass Switch for Manual Control (For 120 VAC Only)
This application is offered as a nonstandard option through
Flowserve’s Custom Products Department or may be altered by
end user. Figure 10 shows a schematic diagram of two switches
for controlling the following functions:
• One triple-pole, double-throw (TPDT) switch with center-off,
switching from automatic to manual operation.
• One single-pole, double-throw (SPDT) switch with center-off
position for manually controlling clockwise (CW), counter-
clockwise (CCW) directions of actuator.
Figure 10
Flow Control
Worcester Actuation Systems
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