Question about Goodman CLQ36AR49 Air Conditioner

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My suction pressure is 90 psi liquid pressure 360 psi and my temperature ot te vent is 62 degrees f. what ismy problem?

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Hi,
I would say you are overcharged with freon...try dropping some of the gas out... with the proper equipment to recover the gas... it is illegal to vent it to the atmosphere...
You should be looking at 70-8- on the suction and 250-275 on the high side on a warm day and a good load on the the A/C say 75-80 inside temps...

Here is a tip about trouble shooting your air conditioner...

Air Conditioner Trouble -Review the Possibilities
http://www.fixya.com/support/r3571569-air_conditioner_trouble_review_the_possi

heatman101

Posted on Aug 07, 2010

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If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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Sounds like bad valves in the compressor.
A good indicator is how fast the pressure changes when you shut the compressor off. It should take several seconds for the suction pressure to rise. If it's immediate, then expect a bad valve.

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On my 1996 ss impala what low side pressure should I see on the a/c with the system running


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To properly diagnose a malfunctioning A/C system, the HIGH side pressure must also be checked. Restrictions in the system can make the low side pressure look normal while the high side pressure is high enough to blow hoses apart. (400+ Psi.)

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1 Answer

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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.

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2 Answers

13 degree Delta T


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2 Answers

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