Question about Ruud Central System Air Conditioner

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Replace contactor I have an ruud air conditioner model no UAMB-048JAZ . relpace contactor with a new part protech contactor part no 42-25101-01. Is this the correct part number? on top of the contactor the L1 L2 T1 7 T3 loction is not the same as the old contactor, when installind new cantactor wich wire go to L1 Lt ect. on new part

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  • HOTINKWD Jul 17, 2008

    replacing honeywell R8243A WITH FASCO 1H140A, WHERE SHOULD THE L1 AND T1 GO?

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  • Master
  • 828 Answers

On single phase your incoming power lines go to L-1 & L-2, the lines to the compressor go to T-1 & T-2. With A/C current it does not matter which one goes to which side as long as the line goes to the L side and the compressor power lines go to the T side. As long as the coil voltage is correct any contactor will replace the original.

Posted on May 29, 2008

  • Kenneth Blanchard
    Kenneth Blanchard Apr 23, 2014

    What about the capaciator common lead ? Which terminal it goes to. The orignal has a seperate terminal, the 42-25101-01 does not

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