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  #261  
Old 08-10-2019, 10:34 PM
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I would like to know more information about tuning a gas furnace, such as flame color and air setting.
I have racked the net looking for some tuning info and the manuals don't tell you much. They tell you how to adjust air, but not the type of flame you want. They describe setting the air adjustment but not where it is located.

So is it possible that one of the northern boys knows something about a Intertherm M1MB furnace?
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  #262  
Old 08-10-2019, 10:57 PM
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Quote:
Originally Posted by Ironman View Post
I would like to know more information about tuning a gas furnace, such as flame color and air setting.
I have racked the net looking for some tuning info and the manuals don't tell you much. They tell you how to adjust air, but not the type of flame you want. They describe setting the air adjustment but not where it is located.

So is it possible that one of the northern boys knows something about a Intertherm M1MB furnace?
Gerry, I think you seriously have enough experience to fake it. When I ran a brick kiln we used a manometer to dial burners in. But, open up the air until all yellow disappears. Continue until the flame starts to draw in change sound and get a little sharp back off a hair at that point. You should be close.
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  #263  
Old 08-10-2019, 11:17 PM
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What Whitetrash says is the way I do it.
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  #264  
Old 08-11-2019, 05:28 AM
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Flames don't lie. I did it that way because my much older bud showed me.
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  #265  
Old 08-11-2019, 07:53 AM
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Quote:
Originally Posted by Whitetrash View Post
Gerry, I think you seriously have enough experience to fake it. When I ran a brick kiln we used a manometer to dial burners in. But, open up the air until all yellow disappears. Continue until the flame starts to draw in change sound and get a little sharp back off a hair at that point. You should be close.
That is what I would do if I could find the air adjustment. I do not like the flame, too much yellow in the ends. This indicates not enough air.
The manual says:
Quote:
Gas Gun
Combustion air box adjustment is made to the
main burner by loosening the two lock nuts on
the plastic air shutter, located on the left side of
the burner blower housing. Air shutter adjustment
line is located on the same side of the blower
housing. Turn the plastic shutter to a smaller
number (counter clockwise) for less air to a larger
number (clockwise) for more air. Gently tighten
the lock nuts after completing the adjustment. For
best results, use instrument to measure between
8 - 9% CO 2, after the combustion air has been
adjusted. Note: Do not over-tighten the lock nuts.
This may damage the plastic air shutter.
Simple, right?
There is no plastic air shutter that I can see. In the manual there is no picture or exploded view. I have removed the burner to examine it
boutube is no help, except to show a flame that is clean and blue.
Pisses me off.
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  #266  
Old 08-11-2019, 09:41 AM
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What model is it?
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  #267  
Old 08-11-2019, 09:54 AM
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Quote:
Originally Posted by digr View Post
What model is it?
Intertherm/Nordyne M1MB
I can post pictures if it would help you
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Gerry
You got freedom of speech, if you don't say too much.
Aaron Neville.

The virtue is always a cover for the sin. That's the key to understanding the modern left. Whatever they're accusing you of doing, they are doing themselves but more enthusiastically. And that's definitely the story of Justin Trudeau. Tucker Carlson

Last edited by Ironman; 08-11-2019 at 10:00 AM.
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  #268  
Old 08-11-2019, 12:25 PM
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I'm confident you will reverse engineer and figure it out...
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  #269  
Old 08-11-2019, 12:27 PM
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This might help at least you can see the flame
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  #270  
Old 08-11-2019, 12:46 PM
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Found this in this manual
Attached Thumbnails
Click image for larger version

Name:	air.jpg
Views:	29
Size:	54.2 KB
ID:	151762  
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