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 […]
Category: Tech Challenge
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 […]
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 […]
