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Old 10-15-2009, 09:23 PM   #1
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Custom setting on Amana AMV8


I need to set a few custom setting on my furnace.
First is picking a Ramping profile ( I have 4 choices)
second is picking a Heat off delay
3rd is the blow fan adjustment


All can be found on page 26-28 of the following document.

http://www.lexpromechanical.com/pdf_...,%20IO-316.pdf

i would copy and paste but I am using my iPhone and can't copy from a PDF file

Thanks again. I could not have done this install with out your help. I saved over 8000 making this a 90% DIY project.

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Old 10-16-2009, 10:14 PM   #2
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Custom setting on Amana AMV8


I get. Free bump

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Old 10-16-2009, 10:18 PM   #3
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Custom setting on Amana AMV8


WHere do you live?
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Old 10-16-2009, 10:28 PM   #4
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Custom setting on Amana AMV8


Hot and humid Houston Texas.
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Old 10-16-2009, 10:35 PM   #5
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Custom setting on Amana AMV8


Quote:
Originally Posted by firedogut View Post
I need to set a few custom setting on my furnace.
First is picking a Ramping profile ( I have 4 choices)
second is picking a Heat off delay
3rd is the blow fan adjustment


All can be found on page 26-28 of the following document.

http://www.lexpromechanical.com/pdf_...,%20IO-316.pdf

i would copy and paste but I am using my iPhone and can't copy from a PDF file



Thanks again. I could not have done this install with out your help. I saved over 8000 making this a 90% DIY project.


On the ramping I would use profile D
Heat off leave where it is or the 150 sec
Leave the blower timing set at factory settings
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Old 10-17-2009, 05:31 AM   #6
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Custom setting on Amana AMV8


I'd want an IAQ thermostat controlling the blower speed in cooling mode.
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Old 10-17-2009, 07:58 AM   #7
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Custom setting on Amana AMV8


I have the honeywell VisionPro Thermostat (3 Heat - 2 Cool)
TH8320U1008
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Old 10-17-2009, 10:27 AM   #8
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Custom setting on Amana AMV8


Not the same. Nor as good. It can over cool to dehumidify. But it can't slow the blower.

The IAQ can slow the blower in the middle of a cooling cycle if the humidity becomes high. And then let it return to full speed after the humidity is back down.
Also. By letting an IAQ stat control the blower. On those days where the temp is high, but the humidity in the house is staying normal/low. When the IAQ turns on the A/C, it will let the blower go to full speed right a way. Instead of wasting time at a low speed to dehumidify when the house doesn't need additional dehumidification.

Its a better thermostat.
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Old 10-17-2009, 11:32 AM   #9
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Custom setting on Amana AMV8


Sounds nice, however with what I have which is the best setting.
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Old 10-17-2009, 02:33 PM   #10
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Custom setting on Amana AMV8


D is a good ramp profile for humidity concerns. But lowers efficiency.
Blower off delay. Would be dependent, on the temp rise across the heat exchanger.
A high temp rise, needs a longer off delay. A low temp rise should have a short off delay.
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Old 10-17-2009, 02:43 PM   #11
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Custom setting on Amana AMV8


Temp diff is 45 so I'll leave it high.
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Old 10-17-2009, 02:57 PM   #12
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Custom setting on Amana AMV8


45, is a low temp rise.
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Old 10-17-2009, 03:01 PM   #13
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Custom setting on Amana AMV8


Really. To be within specs I need to be between 25-55 temp raise.
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Old 10-17-2009, 03:06 PM   #14
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Custom setting on Amana AMV8


Oooops. Must still be thinking of the unit I just worked on.
Which was 40 to 70į rise.

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