Flowserve DFP17 - Manual (Page 27)

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