Monthly Archives: October 2011

This is what happens when I have too much free time!

Posted on October 28, 2011 by yorkcentraltechtalk

 HOW A LIGHT BULB WORKS A  sheet of paper crossed my desk the other day and as I read it a realization of a basic truth came to me.  So simple!  So obvious we have just taken it for granted … Continue reading →

Posted in Just for Fun | 1 Comment

IMAGINEERING

Posted on October 24, 2011 by yorkcentraltechtalk

At the Disney Studios, they follow a simple philosophy. It is this philosophy that keeps them coming up with new ideas.  Disney called this philosophy IMAGINEERING. Simply put, it states:  “I WILL CHANGE MY THOUGHTS, WHICH WILL DRIVE MY ACTIONS, … Continue reading →

Posted in Commentary | Leave a comment

DETERMINING AIRFLOW

Posted on October 14, 2011 by yorkcentraltechtalk

On furnaces with ECM motors, it is pretty easy to determine what CFM the blower is producing since there is an LED on the board that flashes 1 time for every 100 CFM that the motor is producing.  But how … Continue reading →

Posted in HVAC Tech Support | 2 Comments

Flame Sensors – All Gas Furnaces

Posted on October 10, 2011 by yorkcentraltechtalk

What is the CORRECT procedure to diagnose and clean a flame sensor?  The flame sensor does not contain any moving or functional parts.  The flame sensor is energized with AC voltage, which is rectified to DC in the presence of … Continue reading →

Posted in HVAC Tech Support | 26 Comments