SANDPIPER ELECTRO-PNEUMATIC SPEED CONTROL SYSTEM - Manual (Page 2)

spdctrol-rev0808 Speed Control Page 2
WARREN RUPP, INC. • A Unit of IDEX Corporation • P.O. Box 1568 • Mansfi eld, OH 44901 USA • (419) 524-8388 Fax (419) 522- 7867
www.warrenrupp.com
The third component is the NEMA 4X rated
enclosure housing the power supply necessary
for the proportional valve as well as a control
potentiometer for manual operation. A switch on
the enclosure allows the user to select between
manual control via the provided potentiometer or
a remote control from a user supplied source,
such as a process controller supplying a 4-20
mA signal. (See Figure 3.) A 25-foot length
of electrical cable to the proportional valve is
provided. (See Installation Guide.)
1" Port Model
Figure 2
Figure 3
NOTE! The plug must be removed from the
relief port before operation of the unit.