Question about Honeywell Air Conditioners

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My honeywell electronic air cleaner, does not work no power on the high voltage card, l need a schematic for the MPLS MN 55422 card so l can fix it. Help john

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  • j_swilklo Dec 23, 2008

    My furnace honeywell electronic air cleaner does not work. The board mpls mn 55422 has no high voltage. Power to the card is ok. I need a schematic diagram for this card so l can fix it. Can you provide one or not.

  • j_swilklo Dec 23, 2008

    It is not a air conditioner l have a problem with it is the Honeywell electronic air cleaner. I need a schematic diagram of the mn 55422 board so l can fix it. So yes you have the diagram or no you do not?????????????????

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The service manual is not available for free download, and schematics are also not available.

You can get the servive manual by callug at

1-800-955-7075 ,here is the website
Honeywell Filters and Parts for your Air Cleaner.
They also sell the replacement board.

Posted on Dec 23, 2008

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MPLS MN 55422 is not the proper number of the board. Maybe this is the confusion.
That board was manufactured in minneapolis, MN zip 55422
Please resubmit with proper ID

Posted on Dec 23, 2008

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Is there a test button on the air cleaner' Also there's a interlock that has to be made before the unit will work. usually the installers hook the high voltage up to the furnace power. The inter lock is called a current sensing relay and it is hooked up to the common of the blower in the furnace. Hope that this helps and thank for using FixYa!

Posted on Dec 23, 2008

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Hi and welcome to FixYa,

Sorry no schematics. Would you consider board replacement? If yes, might this help?

Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 23, 2008

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What is the model of your AC unit?

Posted on Dec 23, 2008

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Sir,

click this link for more information

thanks
g.luck

Posted on Dec 23, 2008

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If your fan will not stop, it could be caused by several things. It could be the contacts inside of the thermostat sticking. It could be caused by the fan mode switch in on versus auto. It could be a sticking contact on the fan control card in air handler or a stuck contact in the fan control head if it is a X13 or ECM motor.
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