ICP HQ1085928TX Fan Control Board Burn Up Too Often - HVAC - Page 2 - DIY Chatroom Home Improvement Forum


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Old 09-02-2013, 04:16 PM   #16
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ICP HQ1085928TX fan control board burn up too often


Arrogance??? who pisssed in your corn flakes?

Of course the copper line may not be grounded but in 99% of homes/cases it is and it a simple DIY friendly method.

How about just adding to the conversation. I know LOTS of electrical but don't jump in to their forums/sites w/o showing some respect.

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Last edited by yuri; 09-02-2013 at 04:30 PM.
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Old 09-02-2013, 04:50 PM   #17
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ICP HQ1085928TX fan control board burn up too often


drop your probes boys!
I also know some electrical but this home has been rewired by someone with NYC codes using BX cable and 12awg wire standard 15amp outlets. I will check that ground and i'll install a new ground rod and wire to the fuse box and to the HVAC unit.
Right now im waiting for the board so when it arrives, i'll recheck the wiring beore installing it and post my findings. Much thanks!!
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Old 09-02-2013, 05:02 PM   #18
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ICP HQ1085928TX fan control board burn up too often


Yur Welcome

I suspect it is a grounding issue so improving it is a very good idea. apparently there is some condition in humid areas of the US and probably Canada where the screws in the air handlers corrode/loosen and they get a floating ground. some kinda galvanic reaction. have not seen it where I am but other Pro's I talk to have run into it and it drives them nuts troubleshooting. On some units I run a green ground wire from the ground of the board or transformer secondary/ground directly to the ground wire of the air handler for that reason. Bypasses any chance of loose board mounting or connections.

Let us know if the problem gets solved for others and future reference.
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Old 09-03-2013, 08:31 AM   #19
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ICP HQ1085928TX fan control board burn up too often


Quote:
Originally Posted by yuri View Post
Arrogance??? who pisssed in your corn flakes?

Of course the copper line may not be grounded but in 99% of homes/cases it is and it a simple DIY friendly method.

How about just adding to the conversation. I know LOTS of electrical but don't jump in to their forums/sites w/o showing some respect.
I apologize for my comment. Something hit me wrong and i shouldn't have snapped on you.

Again, I apologize.
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Old 09-03-2013, 09:19 AM   #20
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ICP HQ1085928TX fan control board burn up too often


No Problema.

I have very thick skin.

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