S-224-1 Johnson Controls Switch

Overview

The Johnson Controls S-224-1 is a pneumatic gradual switch designed to provide manual selection and adjustment of pressure in air lines from a remote location. Operating as a proportional action relay type switch, it maintains a selected output pressure setting until it is manually readjusted, delivering an extremely stable output.

Features

• Provides manual adjustment of pneumatic line pressure from a remote location.
• Proportional action relay type switch maintains selected output pressure until readjusted.
• Extremely stable output is ideal for position-controlled devices.
• Designed for flush mounting on control panels up to 1-1/16 inches thick.

Specifications

• Output Pressure Range: 0 to 20 psig
• Span: 20 psi span per 300-degree knob rotation
• Maximum Supply Pressure: 25 psig
• Maximum Control Pressure: 20 psig
• Body Material: Die-cast zinc
• Dial Plate Material: Brass with satin chrome finish
• Knob Material: Implex plastic
• Air Connections: 1/8 inch NPT Female
• Ambient Temperature Limits: -40 to 200 degrees Fahrenheit (-40 to 93 degrees Celsius)

Applications

• Remote pneumatic set point adjustment in HVAC systems.
• Control of position-controlled pneumatic devices.
• Building automation and pneumatic control panel applications.