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Category: Tech Challenge

September Tech Challenge — Answer

A medium temperature beer cooler utilizing R-134a with a TXV metering device and liquid receiver, has a customer complaint of warm beer. The symptoms at the convenience […]

Tech Challenge – September 2021

A medium temperature beer cooler utilizing R-134a with a TXV metering device and liquid receiver, has a customer complaint of warm beer. The symptoms at the convenience […]

Tech Challenge – July 2021 Answer

An installed split A/C system utilizing R-410A with a fixed orifice metering device has a customer complaint of “insufficient cooling.” The symptoms […]

Tech Challenge – July 2021

An installed split A/C system utilizing R-410A with a fixed orifice metering device has a customer complaint of “insufficient cooling.” The symptoms […]

Tech Challenge May 2021 – Answer

A rooftop utilizing R-410A with a fixed orifice metering device has a customer complaint of “no cooling.” The symptoms confirm […]

Tech Challenge May 2021

A rooftop utilizing R-410A with a fixed orifice metering device has a customer complaint of “no cooling.” The symptoms confirm […]

Tech Challenge March 2021 – Answer

A medium temperature cooler utilizing R-134a with a capillary tube feed device has a customer complaint of warm beer. The […]

Tech Challenge March 2021

A medium temperature cooler utilizing R-134a with a capillary tube feed device has a customer complaint of warm beer. The […]

Tech Challenge January 2021 – Answer

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

Tech Challenge January 2021

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

Tech Challenge November 2020 – Answer

A commercial split heat pump system, in the cooling mode @ 88° F. outdoor ambient, utilizing R-410A, has a customer […]

Tech Challenge November 2020

A commercial split heat pump system, in the cooling mode @ 88° F. outdoor ambient, utilizing R-410A, has a customer […]

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