DescriptionThis video provides step-by-step repair instructions for replacing the contactor on a Payne A/C condensing unit. The most common reason for replacing the contactor is the central air conditioner does not cool or is not running at all.
All of the information for this contactor replacement video is applicable to the following brands: Payne
Tools used: quarter inch socket, 5/16 inch socket
Step-By-Step Instructions1
To replace the contactor in your central air condensing unit first shut off the power to the unit.
2
You can do this by removing the fuses from the disconnect box or switching off the circuit breaker.
3
Use a 5/16th inch socket or nut driver to unthread the lower screws securing the access cover.
4
Loosen the upper screws and remove the cover.
5
To ensure the run capacitor is discharged, place a screwdriver with an insulated handle across both sets of terminals – avoid touching the screwdriver blade.
6
Note the location of the wires connected to the old contactor – then disconnect them.
7
Next, use a quarter-inch socket or nut driver to remove the mounting screws to release the old contactor.
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Install the new contactor by positioning it on the cabinet then replace the mounting screws to secure.
9
Connect the wires to the appropriate terminals on the new contactor.
10
Realign the access cover.
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Tighten the upper screws and rethread the lower ones.
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With the repair completed, restore power to the condensing unit and your central air system should be ready for use.