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Tech Challenge

July Tech Challenge — Answer

A commercial rooftop utilizing R-410A with a TXV feed device (and receiver) has a customer complaint of “insufficient cooling.” The […]

July Tech Challenge — Question

A commercial rooftop utilizing R-410A with a TXV feed device (and receiver) has a customer complaint of “insufficient cooling.” The […]

May Tech Challenge — Answer

A split air conditioner utilizing R-410A with a TXV feed device (and receiver) has a customer complaint of “warm, no […]

May Tech Challenge — Question

A split air conditioner utilizing R-410A with a TXV feed device (and receiver) has a customer complaint of “warm, no […]

March Tech Challenge – Answer

A rooftop system utilizing R-410 A with a fixed orifice has a customer complaint of insufficient cooling. The symptoms confirm […]

Tech Challenge – March 2022

A rooftop system utilizing R-410 A with a fixed orifice has a customer complaint of insufficient cooling. The symptoms confirm […]

January Tech Challenge – Answer

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

Tech Challenge – January 2022

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

November Tech Challenge— Answer

A commercial rooftop utilizing R-410A with a TXV feed device has a customer complaint of insufficient cooling. The symptoms confirm inadequate cooling and the compressor appears to be short cycling. What […]

Tech Challenge — November 2021

A commercial rooftop utilizing R-410A with a TXV feed device has a customer complaint of insufficient cooling. The symptoms confirm inadequate cooling and the compressor appears to be short cycling. […]

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 […]

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