Tech Challenge

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

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

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

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

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

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

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

A pop cooler utilizing R-22 with a TXV metering device (and receiver) has a customer complaint of warm pop. See if you can diagnose the problem.

A split A/C system utilizing R-22 with a TXV feed device (and receiver) has a customer complaint of “insufficient cooling.” The symptoms confirm inadequate cooling and the compressor appears to be running […]