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DIY Home Repair Forum: HVAC 05-31-2011, 08:14 AM
Replies: 24
Views: 13,398
Posted By paponertelo
That did it!

I just replaced the contactor and the AC is running perfect (and very cool, Yay). The coil on the old contactor is burnt and almost melted. I believe now I know what happened from the beginning...
DIY Home Repair Forum: HVAC 05-30-2011, 08:23 AM
Replies: 24
Views: 13,398
Posted By paponertelo
Did the test

I tested the contactor as you suggested and there was no voltage on the T-stat wires. All four connectors on the contactor had 110 volts; is this normal? I cut power to the outside unit and tried to...
DIY Home Repair Forum: HVAC 05-29-2011, 12:32 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Bad news for me. Replaced the Thermostat wire to...

Bad news for me. Replaced the Thermostat wire to the outside unit and the fuse blew when I tried to start the AC. I know it’s not the wire because I first tried the AC without power to the outside...
DIY Home Repair Forum: HVAC 05-28-2011, 02:50 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Thanks. Will replace and report.

Thanks. Will replace and report.
DIY Home Repair Forum: HVAC 05-28-2011, 02:43 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Checked the wire that runs to the outdoor unit...

Checked the wire that runs to the outdoor unit and the insulation worn out close to the unit. Any considerations in terms of what wire to use to replace it; outdoor rated, solid versus stranded, any...
DIY Home Repair Forum: HVAC 05-28-2011, 01:55 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Additional info on Unit

I have attached part of the documentation that came with the unit. The furnace unit is a TUD080C936A. I could not attach the whole .pdf file because of attachment size restrictions on this site. I...
DIY Home Repair Forum: HVAC 05-28-2011, 12:48 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Not a Heat Pump

I have a Trane Gas Furnace and AC unit. The wires to the T-stat are Green, white, Yellow and Red. There is a fifth Blue wire that is not used. At the controler board there are an extra couple of...
DIY Home Repair Forum: HVAC 05-28-2011, 10:26 AM
Replies: 24
Views: 13,398
Posted By paponertelo
Tested orange wire for grounding

Hi hvactechfw and thanks for your insight. I checked the orange wire with my ohm meter and the wire is fine with no grounding to cabinet. However, the Valve switch it connects to reads ground no...
DIY Home Repair Forum: HVAC 05-27-2011, 04:32 PM
Replies: 24
Views: 13,398
Posted By paponertelo
Now its the fuse when I switched to AC

Guess what? My same Trane unit would not start in AC mode last night. It worked perfectly all through the winter in furnace mode. I had no response when I switched to AC so I went and checked the...
DIY Home Repair Forum: HVAC 01-04-2011, 11:48 AM
Replies: 24
Views: 13,398
Posted By paponertelo
Got it!!

Sorry for the delay and thank you to kok328 for his help in logically determining what was wrong with my system. As we discussed, I replaced the transformer and the control unit (the new control...
DIY Home Repair Forum: HVAC 09-08-2010, 05:48 PM
Replies: 24
Views: 13,398
Posted By paponertelo
I was about to try that. Got a new transformer...

I was about to try that. Got a new transformer and the new control unit has a fuse for the transformer circuit. Will report after try.
DIY Home Repair Forum: HVAC 09-02-2010, 06:52 PM
Replies: 24
Views: 13,398
Posted By paponertelo
24vac transformer burns out

Hi. I have a Trane gas heat/ AC unit thats about 18 years old. Untill 2 weeks ago it was working perfectly. Sudenly, it stopped working and nothing would come on. I checked the control unit and there...
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