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The room temperature remains at 25. Ac serviced.gas back pressure 65.no leak.

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  • William Goodman
    William Goodman Apr 22, 2015

    Lots of questions what kind of termostat , does it need new battery?.

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Control issue is 1.5 v. Or 9 volt battwry need to be replced?

Posted on Apr 22, 2015

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1 Answer

Whatis ideal r22 gas pressure required in 1 ton split ac of BlueStar.


Doesn't matter how big the unit is, pressures remain the same. On a satisfied temperature, approximately 75 degrees, r22 should be around 65 psi. The hotter the house, the higher the pressure. Head pressure varies on outdoor temperature. 90 degrees outdoor temp, approximately 200 to 225 psi on high side.

Jun 05, 2017 | Heating & Cooling

3 Answers

Can youput to much freon in and what will it do


4 cans will be too much
it makes the compressor pump liquid instead of gas and that damages the compressor
it the compressor is still capable of pumping gas then it will go to high head pressures and that will switch the compressor off
you have wasted your money, run the risk of expensive compressor damage , didn't fix the leak that required the gas
The specialist ac shops are not there to take your money but to give you a system that runs without problems so use them to fix the faults and put the right amount of gas in using gauges not cans

Jun 20, 2016 | 2009 Chevrolet Chevrolet Cobalt LS

1 Answer

How much more efficent is this than my 40 yr old janitrol 125000 btu beast


not knowing what you are replacing it with, it is hard to give a reasonable answer ( old sealed units against split system converter ac units )
However if you work along these lines, you will come to a logical decision
First off the old machines had the compressor operation tied to the thermostat setting so the compressor ran full blast until the room cooled to the set temperature. Then it stopped and remain stopped until the room heated up. At this point the compressor restarted and that is the point the the most power is consumed
again it runs full blast until the room again cools and switches off
So you can see that you have a varying room temperature and high energy consumption on start up
Now compare that to inverter units
The compressor is running all the time ( no high energy start ups every 10 minutes or so) but the compressor becomes less efficient as the room cools down
Still running at full rpms but the controls reduce the compressing action--less power to run the compressor--so there is a reduction in power used
The temperature variation is reduced because as the room warms a bit the compressor pumps a bit more gas and doesn't start at full load as per the old unit
Next , the latest units have better temperature / humidity recognition controls so they can be set at night so a room maintains an ambient temperature /humidity so that as the night gets cooler and the air drier you don't wake up freezing
It will even get to the point where you wonder if the unit is working
Lastly you can run the unit at a much higher setting ( 27 Degrees c instead of 24 or less and have the same comfort level as at 24-25 degrees c)
lastly warranty is for 2 years at best and parts will be available for the next 10 years against parts for your old unit

Mar 21, 2016 | Heating & Cooling

1 Answer

Not cooling room and every 45 seconds it makes a hum noise


window unit ac !! not a fridge . the hum you hear is the ac compressor trying to come on , but due to loss of gas charge it shuts right off again , this will require a professional ac repairman to fix this , 1st he needs to find leak then repair leak then add back lost gas charge , watch cost of all these services vs cost of entire new unit , it could get expensive

Jun 24, 2015 | Refrigerators

2 Answers

Why does the compressor run only for about 5 minutes then shut off, leaving the fan still running?


It seems that you have a system short. You have to try resetting the system. First turn the breaker off for the condenser and wait about 20 seconds. After you turn it back on the system should reset.

If this doesn't help I would recommend calling a ac service company.


AC Repair Coral Springs

Apr 24, 2015 | Heating & Cooling

2 Answers

Compressor does not engage when ac is turned on.


If the system is low or has no Freon, the clutch will not engage. Hook up a pressure tester on the low pressure line valve. It should read 30 psi at 65 degrees outside temperature and 50 psi at 85 degrees outside temperature. If there is pressure, then it could be a fuse or AC relay. If there is no pressure, then add freon with some pag oil, plus a leak dye will have to be added to the system from the low pressure valve. Only add 1 16 Oz. can to not over pressurize the system. If the clutch engages, then check for a leak. I would recommend taking this job to a qualified technician, since he would have the necessary equipment to put the system at a vacuum of -30- To empty the system and check for a leak.

Apr 16, 2014 | 2003 Nissan Altima

2 Answers

The best pressure of gas in a split ac in


65 psi is the ideal pressure remember its not exceede from this pressure.
and it is valid for all season

Jun 05, 2010 | LG LSC121PMA Split System Air Conditioner

4 Answers

AC is just blowing air. The compressor doesn't kick on.


no freon.. pressure test w/ nitrogen. 8000 btus is now junk. Spend the money on new unit otherwise find the leak. It leaked out thats why the compressor will never go on. Once you add freon she'll turn on...same as car.

Dont buy that name brand again. best of luck to you

Aug 17, 2009 | LG Heat cool Window Air Conditioner

2 Answers

Split ac not cooling the room.ac temparature remains at 27 degree after ac runs for about 4 hours.please solve this


Gas has leaked from inner or outer unit kindly get it checked by service men they will find the leak and charge the gas again normally after some time it gets rusty inside as water is involved and got leak

no problem get it repaired not expensive

pls rate me well !
Regards

Jul 14, 2009 | LG LS092CE Split System Air Conditioner

1 Answer

Regarding gas pressure


ok lets see how i can help you. If the units low on gas, suspect a refrigerant leak!! 2nd, what refrigerant it's using? I can't tell you operating pressures if you don't know the refrigerant. (usually the label on the indoor unit right side says refrigerant charge and type.) 3rd desired temperature for cooling is about 68-72 F that's about 20-22 Celsius.

id keep it on 21 C

Apr 22, 2008 | LG LSC091PMA Split System Air Conditioner

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