Johnson Controls 99978 PRESSURE ACTUATED MOTOR SPEED CONTROL

PRESSURE ACTUATED MOTOR SPEED CONTROL

This Pressure Actuated Motor Speed Control provides Johnson Controls' SensiTrol technology for precise, pressure-activated motor speed control. The Pressure Actuated Motor Speed Control is available in paddle wheel and stamped steel bodies to suit any application.

The Johnson Controls Pressure Actuated Motor Speed Control is a component of a speed control system for a gas or oil burner, and is suitable for use with Fisher-Porter and Signet brand equipment. This NEMA 1 enclosure controls high-pressure burners and has an operating range of 35-165 psi.

The Pressure-Actuated Motor Speed Control is used with Johnson Controls slide-in compressor units to achieve optimum starting, starting torque, and braking performance. The speed control senses compressor pressure and controls the startup current delivered to the motor.

The Johnson Controls 99978 Pressure Actuated Motor Speed Control is a pressure-actuated, speed control that allows for precise speed adjustments to be made using the adjustable throttle valve. The unit is used for on/off control of electric motors. Suitable for use on 120 volt electrical systems, this control is CSA certified and UL recognized.

Pressure-actuated motor speed controls are designed to cut off power to a load within 10 seconds after the pressure drops below the set level. The control system reduces the energy required to maintain process temperatures by operating compressors at reduced speeds. Pressure-actuated motor speed controls are available in voltage ranges 4 through 52 Vdc, with input signal levels of 1 to 5 Vdc, 0 to 10 Vcc, or 200 mA absolute.

Pressure-actuated motor speed control senses changes in input pressure and automatically adjusts motor speed to maintain output pressure. Johnson Controls patent pending technology.

This pressure-actuated motor speed control replaces the existing switch on any AC or DC motor. The unit senses air pressure drop in the venturi through measurement of velocity, frequency, and air volume, to activate pre-selected automatic speed control settings.

The Johnson Controls 99978 Pressure-Actuated Motor Speed Control is a pressure-actuated control and is used to control the speed of electric motors.

Enhanced static pressure performance is achieved with a rotor to stator pressure imbalance. This aspect of the present invention utilizes varying rotor impedance to create a constantly changing imbalance, thereby creating the desired change in speed.

Pressure backlit LCD with adjustable mounting bracket for easy installation and setup. Warranty: 24 months

Built to last long, long after the job is over, 99 series controls are the control of choice for millions of electric motors. They withstand generations of use and have a reputation for being tough, dependable and easy to service. Plus, at Johnson Controls, durability equals dollars saved.

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