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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