Went right in as a direct replacement on my American Standard (Trane) 3 ton heat pump.
Replaced a still functioning but aging out board.
Sam
Spokane, WA
12 months ago
Verified Buyer
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Always good service
Heat pump
Buck
Smyrna TN
1 years ago
Verified Buyer
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Be careful while unplugging the nine pin connector
My original CNT05010 in my Trane XL16i compressor went bad. It would cause the compressor to not start. I could sometimes get it to come on by partially unplugging the main 9 pin connector.
It turns out that about half of the 9 pins on the main connector had broken solder joints on the back of the CNT05010 circuit board. I believe it was caused because the 9 pin connector is VERY tight in its socket. If you pull on the 9 pin connector without supporting the base socket you are putting a lot of pulling force on the pins going through the circuit board. You should be careful to pry the plug off without pulling on the socket base. Use a flat screw driver to pry slowly from both sides of the connector so you put minimal pulling force on the socket base.
I put in this new CNT05010 and the AC compressor started up normally.