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Search: Posts Made By: karasdad
DIY Home Repair Forum: HVAC 12-17-2013, 05:14 PM
Replies: 70
Views: 59,370
Posted By karasdad
Thanks lostpilot28, I had a builder friend of...

Thanks lostpilot28, I had a builder friend of mine come over to check it out. He said the Trane XR90 is a single speed unit that runs wide open at 120 ton BTU all the time; it's a basic contractor...
DIY Home Repair Forum: HVAC 12-16-2013, 03:51 PM
Replies: 70
Views: 59,370
Posted By karasdad
Well, I spoke too soon. Dealer called and said...

Well, I spoke too soon. Dealer called and said the replacement heat exchanger would not be available for 30 days, none in stock anywhere. Five weeks in the midst of the Seattle winter is a daunting...
DIY Home Repair Forum: HVAC 12-16-2013, 10:47 AM
Replies: 70
Views: 59,370
Posted By karasdad
Hey lostpilot28, the Trane specialist came over...

Hey lostpilot28, the Trane specialist came over and you are absolutely right, there was a four inch crack in the heat exchanger. They are replacing it on Friday along with the high limit switch on...
DIY Home Repair Forum: HVAC 12-10-2013, 09:27 PM
Replies: 70
Views: 59,370
Posted By karasdad
my five year old XR90 is experiencing the same...

my five year old XR90 is experiencing the same three blinking lights. It takes about three or four inducer cycles to get it fired up. The pressure switched was replaced and it ran fine for about a...
DIY Home Repair Forum: HVAC 10-13-2013, 01:35 PM
Replies: 16
Views: 6,383
Posted By karasdad
Thanks Gerrycurl21 for a great write up. I am...

Thanks Gerrycurl21 for a great write up. I am experiencing a similar problem with my seven year old Trane XR90. my service guy just replaced the pressure sensor and it ran fine for a week and then...
DIY Home Repair Forum: HVAC 10-13-2013, 01:26 PM
Replies: 16
Views: 6,383
Posted By karasdad
it just unscrews from the inducer fan assy after...

it just unscrews from the inducer fan assy after you unplug the two wire plug. mine is part numbered B342017P02. I think you can purchase it from the distributor. looks like it senses some...
DIY Home Repair Forum: HVAC 10-13-2013, 01:02 PM
Replies: 16
Views: 6,383
Posted By karasdad
Hey Paul54426M, that's not the "start capacitor"...

Hey Paul54426M, that's not the "start capacitor" circled, it's the run limit switch and you can just remove it from the old assembly and reuse it. the black wire plugs into the white connector along...
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