Coleman evcon moblehome ac question

Fuse in the tstat?? First inspect the low voltage wire outside for imperfections, such as bare wires. Unhook the low voltage wires to condenser outside and cap with existing wire nuts. Then replace fuse and turn system on with cooling. If fuse still good then you have a short in the contactor coil in the condenser. Need new contactor. If fuse only blows when a call for cooling it's in the wire for low voltage or the contactor itself.

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The contactor should look alike. Just make sure the same wires are on the same side as the old contactor. Don't worry so much of the l1/t1 and l2/t2

Compressor contactor relay struck or relay not activated. Remove L1 and L2 wires and jumper with L1 with T1, L2 with T2 and check now. Be careful. It's only checking. When compressor starts, switch off and replace contactor relay.

There should be 8 screws on the relay L1, L2, L3, T1, T2, T3 and two additional screws either at the top or bottom, or one on each side. The incomming, constant power in from the circuit breaker, should connect to L1, L2 & L3. The power out to the load should connect to T1, T2 & T3. The control wire from the switch or timer you will be using to close the contactor will connect to the remaining two screws. THE MOST IMPORTANT PART IS THAT THE CONTROL VOLTAGE MATCHES THE COIL VOLTAGE OF THE CONTACTOR. They will make 12vac, 12vdc, 24vac, 24vdc, 120v, 240v, 277v, etc. coils for the contactor.
Also keep in mind that when the contactor closes L1 & T1 make contact, L2 & T2, Etc.

Depending on the size of your Electric heat you can use one set of wires because your unit does not run with the heat like the heat pump. The large set of wires going to the electric heat should be used. You may have to jumper a new set to the contactor. On Goodman unit come in L1 and L2 jumper to contactor. Very simple good luck. Rus

First question first, NO! this is a simple problem and a common one to fix, just change out the outside contactor coil, the contactor has a thin layer of silver on them to prevent them from arching and sticking together, over time this thin layer burns through and stick the contactor and wont let go, till you replace the contactor coil,(20.00) 24-volt 40 voltage amp coil! YOU CAN DO THIS after you kill the power to the unit.!Thank-you-very-much!

contactors are just a switch l is the power t is the load (check the coil voltage see that its the same) dan

Double check that the new contactor has the same electrical ratings on it. My guess is that the coil should be 24v while the relay should be able to carry the same amperage at 220v.

First shut off the breaker and disconnect switch for the furnace and outdoor condenser and call a licensed HVAC contractor:)

If you are determined to do it yourself, Then read the schematics first. Be aware, if you mis wire the system you may cause more damage than you have now. Not to mention your personal safety is at risk.

I am basing this on the most common style contactor found in my area.

The main relay side should be labeled. (eg. L1,L2-T1, T2). These should match exactly like the old one. L1 and L2 are the incoming power. T1 and T2 are the power leaving the contactor. All the 220v wires should correspond to one of these four terminals either by screwing them down or fitting the spade connectors together.

Usually the 24v wires will plug onto the coil (near the bottom, left and/or right sides of the contactor) silver spade connectors.

(STEP 1.) Leave all Wires Connected to your Old Contactor.
(STEP 2.) Remove the two mounting screws that hold the Old Contactor to the Air Conditioners casing.
(STEP 3.) Now Install the New Contactor to the old contactors existing location using the Same two Screws.
(STEP 4.) Now take Off one wire at a time from your old Contactor and Install each wire one at a time to the proper location on the new Contactor.

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.