Carrier 48GS package unit Carbon Monoxide issue!

[helsonbm]

That was the problem!!! The inducer draft motor was wired wrong. I had the brown where the purple should be! Changed these two wires and it fixed it!

[hvac wiz 79]

Glad you found and resolved the issue. I still want to know how the CO levels rose in the building

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[helsonbm]

Me too! I was thinking about that myself!

[gravity]

So, your inducer was spinning backwards?

[flanders]

On the talk of carrier. Anyone have the parts app? It's been good so far. One of the carrier distributors around here has a very lackadaisical counter guy. When I'm forced to go through him I have found to sometimes double check because he has screwed up. For instance quoting me a 3ph cond motor when I knew for a fact the one in question was 1ph. Anyway, its the CE app

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Where did u find that app? I couldn't find it online.

[hvac wiz 79]

Where did u find that app? I couldn't find it online.

http://www.carrierenterprise.com/
On the bottom right of the page.


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[flanders]

On the talk of carrier. Anyone have the parts app? It's been good so far. One of the carrier distributors around here has a very lackadaisical counter guy. When I'm forced to go through him I have found to sometimes double check because he has screwed up. For instance quoting me a 3ph cond motor when I knew for a fact the one in question was 1ph. Anyway, its the CE app

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Thanks!

[hvac wiz 79]

Your welcome. I hope you find it useful. That app prevented me from being 2 hours away with the wrong parts.

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[craig1]

Glad you found and resolved the issue. I still want to know how the CO levels rose in the building

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Package units are not perfectly sealed, if theres a 10000 PPM cloud of CO surrounding the unit, some of its going to get sucked in through the seams, such as the filter door.

[hvac wiz 79]

Package units are not perfectly sealed, if theres a 10000 PPM cloud of CO surrounding the unit, some of its going to get sucked in through the seams, such as the filter door.

Makes total sense.

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[hvac wiz 79]

Ran a call the other day identical to this thread. Odor was strong with CO levels around 15ppm. Heat exchanger was ok and draft motor rotating the right way. No economizer package to allow extra infiltration. Long story short gas valve inlet 7.9 outlet 6.0. Natural gas. Replace valve all good. The previous response to my question sunk in much more after this call

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[albrantley]

Everything is basically new. New heat exchanger, inducer assembly, back plate, gas valve, and the 2 inshot burners. I called Carrier and there is no regulator or flame retainer for this piece of equipment. They doubled checked too. The alignment of the burner is right on as well. Sealed with high temp caulk, didn't go crazy with it but there is plenty to make a good seal. Not sure what else to check. The outlet pressure is a least 3.5 to 3.7. That model was a 48GS-030060301 by the way.

I had this problem. Cleaned the soot from the burner and seems to be working. I plan to go back and pull the inducer and look at it.
Alvin