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Flowserve 90 Series Solenoid Block Kit User Manual

Introduction, Assembly, Wcaim2043

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Worcester Controls

WCAIM2043

(Part 18460)

Solenoid Block Kit for Series 90
Modular Accessory System

Installation, Operation and Maintenance Instructions

INTRODUCTION

Note: For M.A.S. housing assembly, installation, and maintenance
instructions, refer to Installation, Operation, and Maintenance Manual
WCAIM2005.

The Worcester/McCanna Series 90 M.A.S. Solenoid Block Kit can
provide on/off or modulating control for both single- and double-
acting pneumatic valve actuators. The type and number of solenoid
valves varies for the differing applications:

Single-acting on/off (spring-return) uses one three-way solenoid
valve.

Double-acting on/off uses one four-way solenoid valve.

Single- or double-acting modulating applications use two three-
way solenoid valves.

The solenoid valves used in the M.A.S. are marked with a voltage
rating. Although the 120 volt solenoids are intended for use with AC
power, they actually operate on DC. Valves marked 120 or 120 VAC
therefore require the use of special lead wires incorporating a built-
in rectifier. It is this rectifier that converts the incoming AC power to
DC power.

All lead wires are equipped with quick-connect plugs that are easily
connected/disconnected to the solenoid valve. The plugs will only fit
one way—do not force the plugs together; damage can result.

VOLTAGE

REQUIRES RECTIFIER

REF. FIGURE

120 VAC

YES

1

12 VDC

NO

2

24 VDC

NO

2

The various solenoid options are designed to operate either single-
acting or double-acting actuators. Each of these applications requires
its own air porting to operate properly. The solenoid block gasket has
been designed to adapt the solenoid block to the Series 90 M.A.S.
housing air connections for each type of operation. The gasket is
illustrated here for future reference in this section of the instructions.

NOTE: The double-acting block will operate and increase the speed of a
single-acting actuator. To accomplish this, plug the “B” Port on the
M.A.S. base. This is recommended for size 25 and larger 39 actuators.

AIR SUPPLY: Lubricated or dry air (or other non-corrosive gas)

PRESSURE: 45 – 100 PSI.

FILTRATION: Strongly recommended—refer to table below.

SERVICE

SPRING-RETURN

DOUBLE-ACTING

ON/OFF

20 MICRON

5 MICRON

MODULATING

20 MICRON

20 MICRON

1. ASSEMBLY

(See figures below and on following pages.)

a. SINGLE-ACTING ON/OFF TYPE, DOUBLE-ACTING ON/OFF TYPE

NOTE: Where lubrication is required, Vaseline or other non-
corrosive grease is acceptable unless otherwise noted. Use
sparingly.

1. Attach the solenoid valve (item 2) to the solenoid block (item

1) in the orientation shown using the #4-40 screws (item 5)
and gasket (item 3) provided.

Figure 1

Figure 2