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Old 12-06-2015, 07:58 PM   #1
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Weak air floor


I'm getting 73 at the registers during heating season fan not moving at full speed. Unit works well and strong air flow when switch to AC. 3 ton goodman rtu.

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Old 12-06-2015, 08:19 PM   #2
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Need to measure temp at the return and supply are at the furnace. Within 3 ft of the furnace to see if the temp rise correct.

Just because the blower motor turns at different speeds between a/c and heat doesn't mean there is a problem.

Need to check temp rise at the furnace

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Old 12-06-2015, 09:33 PM   #3
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heating speed...low- med...cooling most likely high..as mentioned need to make sure temp rise is within limits...
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Old 12-06-2015, 10:04 PM   #4
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Ok. Will look into that in the am. It's been hard for the unit to get up to temperature for several weeks now. But will let you guys know what I find
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