Cooling Tower Vibration Switch
Electronic switches are compatible with building management systems.
Cooling tower vibration switch. In this cooling tower video. Cooling tower controls are typically two wire circuits so once the switch is reset the fan motor may start automatically without warning. The mechanical vibration switch is the most cost effective option for cooling tower vibration management. What s the most common thing that an operator does after cooling tower fan trips from vibration.
Ctd vs 2ex murphy vibration switch manual reset dpdt 467 50 each. These devices utilize a spring and magnet concept and are designed to mechanically trip during high vibration. Mechanical or electronic switches are available with multiple options for alarms and reset. A vibration switch detects shock and vibrations inside your cooling tower and.
Cooling tower vibration switches. The mechanical switch comprises an inertia sensitive mechanism that activates a snap action switch if vibration exceeds a specified set point. The cooling technology institute cti vibration standards are presented. Reliability becomes an issue with mechanical switches due to harsh cooling tower environments especially in critical applications.
The classic legacy solution involved the use of earthquake mechanical switches. Two organizations have developed vibration standards for cooling tower fans. Protect your tower from damage resulting from excessive vibration. Protect your cooling tower closed circuit fluid cooler and evaporative condenser from damage resulting from excessive vibration by using a vibration cutout switch vcos.
Warning caution vibration switch. If you are searching what is a cooling tower vibration switch universal tower parts can help. Mark groothuis global product manager for spx cooling technologies demonstrates a mechanical vibration switch including how to test functionality in the field. Frequency range of some solid state vibration switches do not include 1xss of the fan rotor.
The murphy switch that uses a spring loaded ball is essentially an acceleration sensing device. However it is often the least accurate and least reliable option. Price ctd vs 2 murphy vibration switch manual reset 340 00 each. He or she tries a restart.
Ctd m6000 metrix basic model 6000 electronic. In general most cooling tower fans run at a speed somewhere between 90 and 300 revolutions per minute rpm while motors for cooling towers generally run at speeds around 1 500 to 1 800 rpm. These switches are available in mechanical or electronic operation with multiple options for alarms and reset. What is a cooling tower vibration switch.
Torque vibration switch 2 5 ft lb ƒ 3 7 n m when installing or reinstalling.
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