Welcome to the Duct Cooling Control System Equipment in the Lab!

(Pictures from system in Engineering, Math and Computer Science Building, installed, 2012)



Connector cable to transfer signals back-and-forth to the computer (Which is the TRC = Temperature Recording Controller)

[Click on picture to enlarge]



Circuit connector box.

The green and orange thing at the top is the Connector Block (CB-50)

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This is the Variable-Voltage, Variable Frequency (VVVF) power supply for the blower motor.  This was donated to UTC by PEC (Process Engineering Company), now a division of Wood's.

These are sometimes called "inverters"

This is the Pressure Control Drive = PCZ

It gets a signal from the PRC and drives the motor with the % of full power as specified by the PRC

[Click on picture to enlarge]



This is the blower motor.  It is a 3-phase, 230 volt AC motor. It is 1/2 horsepower.


[Click on picture to enlarge]

This is the Temperature Transmitter = TT

The TT is a Solid state integrated circuit transducer, it is known as an LM-35.  It sends a signal voltage out that is proportional to the temperature in the duct.

[Click on picture to enlarge]



This is one of two dampers. They close off one or two of the three arms of the pressure system that the blower supplies.  To see a movie of the damper operating, click below.

Click HERE for Damper Movie

[Click on picture to enlarge]



Detail of the “Lower” duct heating assembly

The “Upper” duct heating element



Cooling fan and duct to the lower duct heating element

Duct work with the “upper” duct heater showing





For suggestions and feedback,

contact Jim Henry - Jim-Henry@utc.edu... Send E-Mail to Lab-Master

Last updated 4 Feb 2013

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