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Tech Challenge

Tech Challenge January 2023

January’s Tech Challenge Question – What are the “possible causes” with the following measured/calculated conditions on this field service check sheet? Check back in February for the answer.

November Tech Challenge – Answer

The answer to the ACCA HVAC Blog November’s Tech Challenge is here! Check out the answer to see if you were able to find the answer!

November Tech Challenge – Question

November’s Tech Challenge Question – What are the possible causes of the following measured conditions in this field service check sheet? Check back in December for the answer.

September Tech Challenge – Answer

The answer to the ACCA HVAC Blog September’s Tech Challenge is here! Check out this blog to see if you were able to find the answer!

September Tech Challenge – Questions

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

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 […]

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