Schneider Electric 239x-5xx Series Data Sheet

These switches are manually operated devices adaptable to a wide variety of applications in pneumatic control systems. They are normally used to perform diverting or supply and exhaust functions to operate final control components or index relays in multiple switching systems.

The 2392-504 is a four-branch switch. The 2392-505 is a five-branch switch that provides one blocked port in each knob position.

The 2393-504 is a four-branch switch which can be used to supply a signal to any one of three devices or supply any one of three signals to a device. Its unused ports are blocked.

Various dials are available for each model and for specific switch applications.

Table-1 Ordering Data.

Number

2392-504 S520 2-Position - 4 branch 2392-505 S521 2-Position - 5 branch (unused ports blocked) 2393-504 S530 3-Position - 4 branch (unused ports blocked)

For Dial Plate Ordering Data, see page 2.

Table-2 Mounting Brackets.

Number

MCS-S-P Socket Kit

Replaces

Model

Replaces

Model

22-155 K511 Single switch bracket 22-120 Socket

Description

239x-5xx Series

Two and Three Position

Selector Switches

Data Sheet

Material:

Case, Glass-filled nylon Dial Plates, Anodized aluminum. Knob, Black sunburst plastic with pointer.

GENERAL INSTRUCTIONS

These devices are to be used on clean, dry, oil free control air only, and will operate properly when mounted in any position.

The inherent reliability of these devices is enhanced and prolonged through regular inspection and preventive maintenance by a qualified control expert. Should any of these devices become inoperative, it should be replaced by a new unit.

Caution: This device should be installed by a qualified service technician with due regard for safety, as improper installation could result in a hazardous condition.

Table-3 Replacement Parts.

Number

22-173 K550 Replacement knob

Replaces

Model

Description

SPECIFICATIONS

Main Air Pressure: 30 psig maximum. Air Capacity: 40 scfh Air Consumption: None Maximum Ambient Temperature: 140°F Mounting: Designed for use on 22-120 Pneumodular

manifold socket. These devices can also be mounted by using the appropriate mounting bracket (see Mounting Bracket ordering data). Connections: Barbed nipples for 1/4" OD polyethylene or 5/32" ID polyurethane tubing.

On October 1st, 2009, TAC became the Buildings b usi ness of its par ent comp any Schneider Electric. Thi s document r e flec ts the visual identity of Schneider Electric, however there remains references to TAC as a corporate brand in the body copy. As each document is updated, the body copy will be changed to reflect appropri ate

MOUNTING INSTRUCTIONS

Panel Mounting

Inside: These devices have been designed to be mounted on a 22-120 socket. One

socket, one gasket and two mounting screws are required in addition to the appropriate manifold backplate.

Surface: These devices may also be mounted on a panel face (1/2” maximum panel thickness) by using a 1-1/64” mountin g hole.

Field Mounting

These devices may also be mounted without the backplate, socket or gasket to replace competitive and old Robertshaw devices by using the appropriate mounting bracket as shown in the ordering information chart on page 1.

TYPICAL APPLICATION

Automatic or Manual Changeover of Day/Night System

In position 1, the switch will connect ports 1 and 5 supplying 16 psig main air pressure to the thermostat for day operation.

In position 2, the switch will connect ports 2 and 5 supplying either 16 psig main air pressure for day operation, or 25 psig main air pressure for night operation, to the thermostat from an E-P relay being controlled by a programmed timer.

In position 3, the switch will connect ports 3 and 5 supplying 25 psig main air pressure to the thermostat for night operation.

MOUNTING DIMENSIONS

corporate brand changes.

Copyright 2010, Schneider Electric All brand names, trademarks and registered trademarks are the property of their respective owners. Information contained within this document is subject to change without notice.

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