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Nordyne Blower Motor Control Module
Hello,
I have a Nordyne Tappan Furnace Mode# FG7TC 100D-VC. It has a variable speed blower motor made by Broad-Ocean. I determined that the Thermistor burned out in the Control Module on the back of the blower motor. Does anyone know where I can just get a Control Module? Or a Thermistor? The Thermistor is an NTC 1D-25. The blower motor is a Broad-Ocean Motor # ZWK763D00501 (622448).
Are there any authorized distributors of parts for these motors? I would even buy the circuit board if I could find it.
Thanks....
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I've never seen any brand sell just parts for their ECMs. Closest is those that will sell just the module on a Genteq motor. Nortek doesn't sell anything but t he whole motor as far as I know and they are quite a bit less loot than Genteq.
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The whole module has to be replaced. Even if you could repair that component, how do you know the software or other components didn’t get toasted?
Remember when buying a module, it needs to be programmed for your air handler. In my opinion, just replace the motor and module together and if you can’t find it, put in a generic X13 motor.
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I've done a number of the x13 due to the high cost of oem parts. there is a dumb motor (psc) conversion board out there as well, but after that and the dumb motor , may as well get the x13.
or find a shop with old one in scrap pile and salvage that.
Col 3:23
questions asked, answers received, ignorance abated
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I use a psc, and fan relay.
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I would not spend a dime repairing a Broad-Ocean motor. And if I was going to replace it, I would use a Evergreen Motor, or just convert it to a PSC.
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Thanks for all the info! It's just frustrating because I put in (what I thought was) a good system. When I put it in in 2008, it was a pretty common unit around here (Western New York). And the blower motor failed once before in 2011 when this unit was only 3 years old. I really wouldn't think anything of it if these motors were $ but at this price, it's crazy! For one thing I couldn't find one anywhere local, also they were as much as $! I found one at a distributor for $ but I ordered it Tuesday and it won't be here until Friday! The other crazy thing is, this is the cost with me doing it myself. Luckily, the guy I do some work with is an HVAC guy so he has an account, so those prices are at a discounted cost.
So, to go with a different manufacturer for the motor, does the board have too be changed? I'm not big on converting because I'd like to maintain the original wiring harness, no splices, etc... Not to mention the logistics of changing boards, etc...
Last edited by beenthere; 07-02-2020 at 06:04 AM.
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Was the static pressure ever tested to see if duct issues are damaging your motor?
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Originally Posted by
ksefan
Was the static pressure ever tested to see if duct issues are damaging your motor?
From the looks of that board it is at or over 1.0.
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I have not done a static Pressure test. How would I do one? My heating system is original and no changes have been made to the duct work. I’m assuming it was designed by the Builders HVAC people.
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Just with that tells us the static pressure is too high.
You need a contractor on site to measure TESP and compare it to the manual.
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What’s telling you that the static pressure is too high?
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Without the matching motor in the furnace, you may not have heat. They are communicating and know if the motor is bad. Cooling wouldn't be an issue.
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Originally Posted by
joeponcho
What’s telling you that the static pressure is too high?
2 motors going bad!
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Is that a hypothetical? I’m replacing the motor with the same one that came out of it. I was being hypothetical about converting the motor to something different than cane in the furnace.
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Oh, with two motors going bad. I know what you mean now.
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So I got the new Blower Motor today. It's in and the unit is up and running. I researched these ECM motors and they say the lifespan of the ECM motors is 90,000 hours. So this last motor lasted the normal lifespan. It doesn't seem like 9 years is a long life for a motor. Does this seem legit? Or should they last longer?
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Originally Posted by
joeponcho
So I got the new Blower Motor today. It's in and the unit is up and running. I researched these ECM motors and they say the lifespan of the ECM motors is 90,000 hours. So this last motor lasted the normal lifespan. It doesn't seem like 9 years is a long life for a motor. Does this seem legit? Or should they last longer?
So 3 motors in 12 years?
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Yes. The first one went bad in 3 years! That could’ve been a fluke because the second one lasted 9 years. Which is what my research online is saying the lifespan is.
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Sorry, this is not a DIY site.
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