Category: Tech Challenge

Tech Challenge – January 2014

A cooler utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of “warm product.” The symptoms […]

Tech Challenge – November 2013

A Commercial Roof Top unit utilizing R-22 with a TXV metering device (and receiver) has a customer complaint of “insufficient […]

Tech Challenge – September 2013

A residential split AC system utilizing R-22 has a customer complaint of “no cooling.” The symptoms at the customer’s home […]

Tech Challenge – July 2013

A split medium temperature cooler, normally operating at 34° F. utilizing R-134a with a fixed orifice metering device has a customer […]

Tech Challenge – May 2013

A draft beer cooler in Orlando utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of […]

Tech Challenge – March 2013

A rooftop unit utilizing R-410A with a TXV feed devise has a customer complaint of insufficient cooling. The symptoms confirm […]

Tech Challenge – January 2013

A frozen food case utilizing R-134a with a TXV metering device (and receiver) has a customer complaint  of “soft product.” […]

Tech Challenge – November 2012

A beverage cooler utilizing R-134a with a TXV metering device (and receiver) has a customer complaint of “warm brew.” The […]

Tech Challenge – September 2012

A frozen food case utilizing R-404A with a TXV metering device (and receiver) has a customer complaint of “warm case.” […]

Tech Challenge – July 2012

A walk-in Freezer designed to operate at Zero degrees and utilizing R-404A with a liquid receiver and TXV metering device […]

Tech Challenge – May 2012

An installed split A/C system utilizing R-410A with a fixed orifice metering device has a customer complaint of “no cooling.” […]

Tech Challenge – March 2012

A split A/C system utilizing R-22 with a fixed orifice metering device has a customer complaint of “no cooling.” The symptoms […]

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