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Need info. on a Tempstar Comfort 2000 unit.

I'm working on my grandma's Tempstar Comfort 2000. And I have the chip that has what I believe to be the fan relay attached to it. I need to know how I can possiby get more information on this unit, like a service manual or a better wire diagram to cofirm my theory. My grandpa went out to clean it and I believe he got water between the relay leads and the metal of the unit, because it has a big electric flash mark on it. The inside evaporator fan will come on with the thermostate, but the outside condeser fan wont. Probably a safety switch? Any assistance will be greatly appreciated.

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  • sprke23
    sprke23 May 30, 2009

    Here is the part that I have. Front and back. It is in line after the contactor.My college professor told me that he believes it the condenser fan relay. He was going off one of the leads markings that says "Fan In". I have the model #, and seriel #. If it will help. It is a 208/230, single phase, 60 Hz unit.

  • sprke23
    sprke23 May 30, 2009

    A local parts store gave me th # 1088977. And it cost $21.75, just for your futre information. I have it on order, but I wont get it till Wednes day. They did not have any schymatics for the unit or the part though.

  • sprke23
    sprke23 May 31, 2009

    Here are the only numbers I can find on the front: "8100", "88F", A-1 Components Corp.". And here the only ones I can find on the back: (inside a circle) "PS 3", (under the flash burn there is a number that's hard to read) I believe its - "63864A"? That is all the numbers I can find. If none of them is the right one, please instruct me where on the board I might look for it, and if there is any characters in its series that can help me in the search. Thank you for all your time and help in this matter.

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This is a 2 speed condenser fan control board, the tempstar part number is
1086071, if you google tempstar 1086071 you will receive 1 listing for the part for something like 44 bucks, but if you go to sears parts direct and enter the part number they have a factory authorized substitute part number 1088977 that you can order from them for $17.49, some tempstar units were shipped without this control unit and the 2 speed fan just runs off the contactor on high speed only to do that disconnect the control unit and connect the black and orange wires that ran from contactor to the control unit previously together, and then the fan should come on in high speed when the condenser is on. there is a kit that they shipped these control units http://icpindexing.mqgroup.com/documents/086477/48201222001.pdf, (just for you to look at) so all you really need to do is get the new part from sears or run the motor in high and get rid of the part all together, hope this helps.

Posted on Sep 01, 2009

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  • jackcondtion Sep 01, 2009

    maybe to late to help questioner, however hope it helps anyone with same problem.

  • jackcondtion Sep 01, 2009

    to set up the high speed only. disconnect the black wire and the orange wire from the 2 speed fan control board that is pictured (the bad burnt part) and connect them together, then remove the bad part with the remaining wires (disconnect the 2 yellows from contactor and leave them with bad part) disconnect the blue from bad part (that is the low speed wire just leave it unconnected in unit) and you now have a high speed only set up. or put the new part in and connect just like the old one and you have your 2 speed setup again.

  • jackcondtion Sep 01, 2009

    Remember to disconnect power to unit before removing part or wires, be safe.

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  • Master
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The outside unit doesn't work off a relay,It works off a contactor that is located in the outside unit.when the unit is turned on the contactor will receive a 24 volt current which closes the contactor and turn the outside unit on,So the first thing to test is for the 24 volts at the outside unit.You could also post a picture of the part for identification.

Posted on May 30, 2009

  • Randy Hough
    Randy Hough May 30, 2009

    That is the Time/temp/defrost control board,The relay is for defrost,but will also control the fan during the defrost cycle.



    What is the part # from the board pictured and I will get you a schematic or at least some clearer pictures you can work with.

  • Randy Hough
    Randy Hough May 30, 2009

    That may be the store part #, If you can get the number off the board,I can get some more info for you.

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I have this same unit but the fan motor was replaced in Jan '09. I was not part of that but I do know that the fan motor that;s in there now is only a single speed. I had to open the unit up today because the fan was not turning. This board had nothing connected to the 'Low' output and I suspect the board was not calling for 'Hi' speed and that in itself was why the unit was failing.

Posted on Sep 04, 2009

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