Flowserve 90 Series Controller - Manual (Page 11)

WCAIM2045 Positioner/Controller for Series 90 Modular Accessory System 11
Solenoid Wiring
a. Follow the wiring diagrams shown below closely. Note that the
spring-return version is wired slightly different than the double-
acting version, and uses a pressure switch that opens when air
pressure below approximately 35 psi is detected.
Flow Control Division
Worcester Controls
120 VAC Only
SPRING-RETURN DOUBLE-ACTING
INTERNAL
INTERNAL
INTERNAL
EXTERNAL
EXTERNAL EXTERNAL
EXTERNAL
12/24 VDC Only