Monthly Archives: August 2013

TXV Sensing Bulb Location

Posted on August 29, 2013 by yorkcentraltechtalk

Sensing Bulb Location — What is the correct position for the TXV sensing bulb?  The placement of the remote sensing bulb of the TXV onto the suction line is critical to proper TXV performance.  A lot of “hunting”, “flooding”, “starving” and … Continue reading →

Posted in HVAC Tech Support | Tagged , , , , , | 6 Comments

How Electricity “REALLY” Works

Posted on August 25, 2013 by yorkcentraltechtalk

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 couldn’t see it.  One of our engineers had discovered how power … Continue reading →

Posted in Just for Fun | Tagged , , , , , , | 4 Comments

Technical Competency

Posted on August 16, 2013 by yorkcentraltechtalk

The other day I saw a sign and it really hit home with me. It said, “I CAN EXPLAIN IT TO YOU, BUT I CAN’T UNDERSTAND IT FOR YOU!” In my job, I am on the phone a lot with … Continue reading →

Posted in Commentary | Tagged , , , , , , | 2 Comments

Mis-diagnostics of Time/Temperature Defrost Boards in Split Heat Pumps

Posted on August 14, 2013 by yorkcentraltechtalk

In a previous post, I mentioned that control boards are replaced and there is really nothing wrong with them. In recent months, there has been an increased number of defrost boards from split system heat pumps returned for warranty.  In-house testing of … Continue reading →

Posted in HVAC Tech Support | Tagged , , , , , , | 30 Comments

Thoughts to Ponder

Posted on August 7, 2013 by yorkcentraltechtalk

Sometimes, we all need to take that step back from work and think about silly things or things we kind of have wondered about.  Here are a few of my points to ponder when I’m not thinking about heating or air … Continue reading →

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Comparison Of Hermetic Scroll And Reciprocating Compressors

Posted on August 2, 2013 by yorkcentraltechtalk

I recently received the following question: Mike – have you posted a blog about the difference between recip and scroll compressors?   We run into some resistance in some areas because we don’t use all scrolls.  We try to answer this … Continue reading →

Posted in Commentary, HVAC Tech Support | Tagged , , , , , , , | 16 Comments