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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

1 2 3 4 5 6 7 8

Indice de contenidos

Pagina 1 - Modular Accessory System

Worcester ControlsWCAIM2043(Part 18460)Solenoid Block Kit for Series 90 Modular Accessory SystemInstallation, Operation and Maintenance InstructionsIN

Pagina 2 - Worcester Controls

CAUTION: Tighten screws to no more than 15 in-lb orbreakage may occur. Be certain that the holes in the gasket,solenoid valve, and solenoid block are

Pagina 3

3. Lightly lubricate and install three #10-32 air fittings (item 6)as shown, and tighten. Assemble the shorter length of 1/16" I.D.tubing (item

Pagina 4 - 2. WIRING

Flow Control DivisionWorcester Controls4 Solenoid Block Kit for Series 90 Modular Accessory System WCAIM20432. Lightly lubricate and install the four

Pagina 5

Flow Control DivisionWorcester ControlsWCAIM2043 Solenoid Block Kit for Series 90 Modular Accessory System 5Cut one capacitor lead to 11/4" long;

Pagina 6

Flow Control DivisionWorcester Controls6 Solenoid Block Kit for Series 90 Modular Accessory System WCAIM2043120 VAC12/24 VDCSpring-Return Double-Actin

Pagina 7 - 3. OPERATION

Flow Control DivisionWorcester ControlsWCAIM2043 Solenoid Block Kit for Series 90 Modular Accessory System 7IndicationsActuator/ValveFailure Mechanism

Pagina 8 - 4. TROUBLESHOOTING

4. TROUBLESHOOTINGCAUTION: Do NOT disassemble any solenoid valves—a special fixture is required for reassembly.PROBLEM POSSIBLE CAUSE(S) SOLUTIONAir l

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Flowserve 90 Series Solenoid Block Kit Manual de usuario

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