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Old 05-11-2012, 04:24 PM   #106
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Air handler not pushing enough air


Varies with the unit. 75, maybe 150 bucks. Of course, they could charge you 75 bucks to recover it. And you won't know unit you scrap it how much you'll get for scrap.

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Old 05-14-2012, 11:23 AM   #107
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Air handler not pushing enough air


So... new system is installed... everything seems to be working well...
I let them take the old unit, but I kept the universal motor...
let me know if anyone is interested...
-Danny
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Old 05-17-2012, 07:07 AM   #108
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Air handler not pushing enough air


I've been searching for air handlers and checking prices. I think at this point I am just going to replace the whole thing for a more efficient one. It's from the 90s so I'm ok with that. I'll call my AC friend and see if he can hook me up with the labor
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Old 05-17-2012, 07:11 AM   #109
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Air handler not pushing enough air


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I've been searching for air handlers and checking prices. I think at this point I am just going to replace the whole thing for a more efficient one. It's from the 90s so I'm ok with that. I'll call my AC friend and see if he can hook me up with the labor
Have you looked here yet? Alpine Home Air Products: Contractor-grade furnaces, heaters, air conditioners
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Old 05-17-2012, 07:43 AM   #110
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Air handler not pushing enough air


Nope sure had not. So I figured since I'm on here and my equipment is listed in the thread I'd go ahead and ask. Should I just replace the air handler or replace the whole system for a newer one?

If I'm correct then if i just replace the air handler I don't need to re-run the copper lines going to the outdoor unit so the labor would be much less and I don't get a new outdoor unit so save cost there butttt it wouldn't be as efficient as the newer systems.

I just don't know if that increase in efficiency warrants replacing the whole thing.

I guess I could just get the new air handler now and if the outdoor unit craps out in the future then replace that one for a higher SEER. Outdoor unit isn't that old though... 5 years i think.
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Old 06-23-2012, 11:07 AM   #111
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Air handler not pushing enough air


So I thought I'd start with this thread, after reading all 8 pages and you guys seem to know your stuff.

My air handler after about 2-3 hours or so will stop moving any air through the vents in my house. The AC unit outside is on and seems to be functioning properly, but the cold air never reaches my house with any force. I don't think it's the AC because the vents all feel cold and are moving just a little bit of air but nothing with significance. When I look into the air handler it is spinning but I am unsure if it is at full speed or not. I also went under the house yesterday and all the ducts are in tact so that's not it. I changed the air filters yesterday after finding out that this may be the problem and all was well this morning with a running unit that moved air again, but now it is back to slow/no air out of my vents after just a few hours. I suspect the air mover motor is overheating for some reason and then getting sluggish but am not sure 1) if I am on the right train of thought and 2) how I would test this? I do have a meter voltmeter.

Any help is appreciated. Thanks.
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Old 06-23-2012, 11:13 AM   #112
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Air handler not pushing enough air


Also the model # for furnace system is GPD075-3 REV B made by goodman manufacturing if that helps.
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Old 06-23-2012, 11:22 AM   #113
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Air handler not pushing enough air


Check for any diagnostic light.

http://www.google.com/url?sa=t&rct=j...6MJrvxSQopk1qw
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Old 06-23-2012, 11:28 AM   #114
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Air handler not pushing enough air


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Check for any diagnostic light.
It is on and constant red which according to the label on the inside of the unit means it is functioning properly. But I still have no significant air to the vents. I am wondering if the light is not working as well.
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Old 06-23-2012, 11:42 AM   #115
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Air handler not pushing enough air


Check for these:

1 -Is the A-coil getting frozen after 2-3 hours?
2- The controller board can be weak making the blower motor stop or slow the speed.
3 -The blower motor is getting hot and stop running.
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Old 06-23-2012, 12:24 PM   #116
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Air handler not pushing enough air


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Check for these:

1 -Is the A-coil getting frozen after 2-3 hours?
2- The controller board can be weak making the blower motor stop or slow the speed.
3 -The blower motor is getting hot and stop running.
How can I check for 1 and 2? I don't think it's 3 because the motor it at least turning the blower but I am wondering if it has reduced power (capacitor?)
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Old 06-23-2012, 12:54 PM   #117
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Air handler not pushing enough air


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How can I check for 1 and 2? I don't think it's 3 because the motor it at least turning the blower but I am wondering if it has reduced power (capacitor?)
When you don't feel the air at the supply register go outside and see if the line set is frozen.

Test the blower motor with multimeter in the continuity scale.

ex: Capacitor 10MFD 5%.....It's good capacitor 9.5MFD - 10.5MFD
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Old 06-29-2012, 04:26 PM   #118
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Air handler not pushing enough air


Just wanted to come back and post the fix for the issue. My air handler was set on the wrong speed. For most units A is high speed... well for mine C is high speed. My AC is now blowing a ton of air. The only issue still remains is that the air is 70 degrees coming out of my supply while 75 going in the return. FML
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Old 06-29-2012, 07:14 PM   #119
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Air handler not pushing enough air


A 15 to 20 degree difference is normal....have the referigerant charge checked.

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