Question about Carrier 38CKC036 Air Conditioner

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Suction line frezzes up every three or four dats

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UPFLOW/DOWNFLOW PRIMARY AND SECONDARY DRAIN, CONDENSATION HOLDER FILLS UP AND AIR CONDITIONER SHUT OFF. I HAVE TO DRAIN PERIODICALLY.

Posted on Jun 12, 2008

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Check your air filter and evaporator coil if clean, but if its clean then may be the unit is under charge and need to recharge freon.

Posted on Mar 19, 2008

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How do i dismantle the aicon unit


First thing u have do is pumpdown the unit close discharge line wait for few seconds check the suction line when coolness of suction line goes also close the suction valve and then dissconect all power supply then u can remove copper tube and easily dismantle a/c unit.

Oct 05, 2014 | Mitsubishi MSZ-A24NA Split System Air...

1 Answer

Conair mini split heat pump isn't cooling but has cold suction line but warm liquid line and is not freezing up the evaporator. Thinking a sucking reversing valve?? What could cause that? Both evapor


Make sure that your refrigerant charge is good first. Reversing valve has 4 pipes coming off of it. The one alone is discharge and centre of 3 is suction always. The two sides are the reversing pipes. One side should be same temp as discharge and other same temp (+-5F) as suction. If not then you have bypassing refrigerant in valve. Bad.

Jul 13, 2013 | Air Conditioners

1 Answer

Tapped the suction line @ the compressor & the 410


thats a good question? due you mena 410 psi

Jul 25, 2011 | LG Air Conditioners

1 Answer

Ice on suction line


hello, usually the suction line will form ice when there is low airflow due to a dirty filter or plugged eveaporator coil, also if the unit is clean then it is possible that the unit is low on refrigerant charge due to a leak. Inwould also check the thermostat on the unit to make sure it is fuctioning properly, I have seen may units where the thermostat cause the compressor to run continously and cause the suction line to freeze.

Jun 14, 2011 | LG Electronic Window Air Conditioner

1 Answer

AC not cooling


first off you should have a four ton unit. what is your super heat? is it pulling attic or outside air?

May 27, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Have a model 38TRA018330 condenser keep losing compressors. Run is 223ft with 1/2 suction line and 1/2 liquid line. Can you help? I know the compressor is only rated at 200ft and i can shorten the run will...


Too long of a lineset for sure. You can put a suction line trap in and add 1.5 ounces more oil to new compressor. This should keep compressor better lubricated.

Mar 29, 2010 | Carrier Air Conditioners

1 Answer

When i was fixed a problem in central ac trane i found decreased in freon r22 and the suctione line was freezed, i charged the ac with froen gas r 22 then i found that the suctione line changed and begin...


You are still low on freon. Charging AC by superheat and subcool
First charging a unit by superheat, this is only for Acs with an orifice or capillary tube.
Optimum superheat is 12° to 15° at the compressor or suction line outside the unit.
Hook up your gages and put a thermometer on suction line (large line), start the AC. Measure the temperature of the suction line and read the pressure on your gages. Theres a temperature scale on your gages for R-22 or R-410A the needle will show you the pressure on the outer scale and if you follow it down to the R-22 or R-410a inner scale that is the saturation temperature for that refrigerant, (you can also use a temperature pressure chart), now read the thermometer, let’s say the suction temperature( the thermometer) is 67° and the saturation temperature (the gages or temp. press. Chart), is 55°, subtract the saturation temperature from the suction temperature, 67°- 55° = 12° superheat.
Charging by Subcooling, this is for Acs with a thermostatic expansion valve, it’s common to see a sight glass on the liquid line (on these units with a sight glass just clear it, when, indoor room is at approximate set point of the thermostat). Optimum sub cooling is 12° to 15° at the outdoor unit.
Hook up your gages and put a thermometer on liquid line (small line), start the AC. Measure the temperature of the liquid line and read the pressure on your gages. Theres a temperature scale on your gages for R-22 or R-410A the needle will show you the pressure on the outer scale and if you follow it down to the R-22 or R-410a inner scale that is the saturation temperature for that refrigerant,(you can also use a temperature pressure chart), now read the thermometer, let’s say the liquid temperature( the thermometer) is 100° and the saturation temperature (the gages or temp. press. Chart), is 114°, subtract the liquid temperature from the saturation temperature, 114°- 100° = 14° subcool.

Oct 05, 2009 | Air Conditioners

1 Answer

Superheat Problem


Superheat is the dif. between suction temp on the gauge and temp on the suction line. Make sure you are measuring the right line/ Normal superheat is between 10 to 14 degrees depending on line length. Russ

Aug 15, 2009 | Air Conditioners

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