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Which are the C.S.R.terminals on a 2JS438D3JAO2 air conditioning compressor

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Posted on Jul 26, 2008

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I have a central air condition carrier ,the problem is when the air condition staret the compresor staret but motor fan not I have to out side n push the blade then the motor star workign ,well I replace...

The capacitor starts the motor The capacitor has three terminals C common goes to the contactor HERM to the S terminal on the compressor brown wire with a white stripe from the fan motor goes to FAN

Aug 01, 2014 | Carrier Heating & Cooling

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Wiring diagram for starting a stock up compressor

I assume you mean a stuck compressor. Sometimes an a/c unit sitting all winter will have a stuck compressor. Open the cover on the compressor to expose the terminals and switch the start and run wires. Turn the power on for a second and then switch the wires back to normal. Turn the unit on and see if the compressor starts. you can also add a start assist device which will help in low voltage conditions or if you have a tight compressor.

May 19, 2014 | LG LSC121PMA Split System Air Conditioner

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Air compressor on Heil air conditioner is humming but not kicking in

Capacitor Failure Symptoms are sometime harder to identify without the right tools and expertise. Capacitors can be found in several different sizes and shapes. There may be one or multiple capacitors included in your ac with regards to the design. While the most popular capacitors are the types found on circuit boards, the ones most associated with air conditioning will be the bigger capacitors that assist start and run your motors. There are several motors present in an conditioner and heater systems:
  1. Compressor Motor Run Capacitor: Here is the most popular capacitor that fails. Most of the time these are duel capacitors, which means that there are 2 capacitors built into one. A duel capacitor will have three terminals on the top where a single capacitor will simply have two terminals on top.
  2. Outside Fan Motor Run Capacitor: That is the smaller capacitor found with or part of the Compressor Motor Capacitor. It helps start and run the outside fan that blows air through the outside coils.
  3. Indoor Blower Motor Run Capacitor: Similar to the outdoor fan motor capacitor, it is a small, single (two terminals) capacitor that will help start and run the indoor blower motor.
  4. Start Capacitor: Some models include an auxiliary start capacitor that helps jump start the motors. Most are found on the compressor. These are less common.

You may need to get that checked out.
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Oct 16, 2012 | Heating & Cooling

1 Answer

Have an lg neo plasma that turns off at 6pm till 8 pm. no fault codes are showing. have reset remote no timers are on. models is S30awn ueo. outdoor pc board has a continous green light and red light that...

DC Peak (IPM Fault); Compressor malfunction,IPM Fault;
Check Point
1. Check the wire connection. (U,V,W)
2. Check the load condition. (Refrigerant, Pipe length, ...) Adjust the load condition
3. Check the electricity leakage of the compressor. Normal : Over 2Mω.
4. Check the resistance of compressor. Normal : 0.65ω(INV), 0.8ω(Cons.) No difference at each terminal.
5. Check the insulation from water at IPM part. Check the trace of water.
6. Check the IPM circuit.

Call repairman to check the above. Thanks.

Feb 04, 2011 | Heating & Cooling

1 Answer

Compressor is not turning on

Check your temp setting 23 and less for Cool mode and 29 and plus for heat mode(RV type).And then wait for 3 minutes. Check power goes to Outdoor unit my volts meter.
Still no start compressor, Power off, and then remove wires from compressor terminal, check all terminal for ohms.between any 2 terminal. If any reading, your compressor is o.k. And also check with grounding and any terminal, if reading your compressor is grounded and you have repair/replace the compressor.

Dec 16, 2010 | LG LSC121PMA Split System Air Conditioner

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I have a carrier 38ckc024340 air condition condenser unit and i want to know where the capacitor is located on it?

At the outside unit where the power goes into it, there should be a cover you can remove so you can see the contactor, circuit board, and capacitor(s). Some units have 2 (1 for the compressor and 1 for the fan) while others have 1 with 3 terminals that are for both the fan and compressor. It should look like a metal can but some are plastic.

Aug 10, 2010 | Heating & Cooling

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My air conditional unit outside ,fans turns on but the unit compressor wont turn on,just stopped working this morning.i turned the thermostat to 72 but only the fan on the outside unit comes on and it is...

Somethings aperson cant fix without a service tech. First it could be wire burnt of capacitor going to compressor. Second it could be bad capacitor. There is a dual capacitor on the ouside unit one side says herm that runs the compressor. Turn power off to check to see if wire is burnt of the herm terminal or the C ternminal. Wire burnt off compressor common terminal.. Could be locked up compressor. Unless you know how to troubleshoot unit. You may have to call service tech. Cost if bad cap. is about 100 to 150. But unit wont run without it. Rus

Jun 21, 2009 | Emerson Quiet Kool 12HT13 Air Conditioner

1 Answer

Need wiring diagram for Ruud Model UPCA-048jas

The wiring on these is pretty straight forward

Basically a contactor, either DPST or DPDT, depending. Input power connects here.

Compressor C terminal connects to one side. R terminal connects to the other. 1 terminal of the run capacitor connects to the terminal with the R terminal of compressor. The other side of run capacitor hooks to S terminal of compressor. One wire of condensor fan hooks with compressor R terminal, the other condensor fan lead hooks with compressor C terminal.

Only things missing from all this is a hard start kit and crankcase heater. Let me know if you want to know how to hook those up.

Jan 29, 2009 | Ruud UAMB Air Conditioner

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