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Discussion Starter · #1 ·
I am hopeing i can get lucky and one of you guys on here work on hvac units.. lol I have some questions so that i can make an informed decision before i call the repair man.. First of all my 3.5 ton heatpump unit has stopped working. Everything inside the house still functions. The breaker inside the house keeps tripping (dual 40 amp breaker) and the breaker outside the house by the condenser unit does not trip (60amp).
I fliped off the outside breaker and turned on the a/c and the inside breaker did not trip. I then turned on the outside breaker and there was some poping from inside the condenser unit. I removed the inspection pannel and the capacitors all looked ok. Removed the cover where the power plugs into the compressor and the plug was melted on 1 leg... There is signs of corrosion on the terminals.

I guess my question is... what are the chances of me getting lucky and the melted plug is due to a bad connection???? Is it alot more likely there is an internal short in my compressor??..(this is what i expect it to be, but i'm trying to be optomistic! multi meter is at work... will bring it home and test tomorrow)

If it is the compressor, what should i expect to pay for a new one? What about a new one installed? What all needs replaced besides the compressor and dryer?? should i do the capacitors as well?

What specs do i even need to look for in shopping for a replacement compressor?
All i know is that it is a heatpump style system and it is a 3.5 ton size

Thanks for any information.
 

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Premium Member
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288 Posts
Discussion Starter · #3 · (Edited)
Its r-22. proablly about 15 years old. looks like the compressor was replaced already at one point. What all is involved in retrofitting a r-22 system to run 410?
 
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