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WHATE IS THE NORMAL COMPRESSORS GAS PRESSURE

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Hi,
Here is a tip that I wrote about how to add refrigerant to a air conditioner orcooling system

How to add Freon to a Air Conditioner or Refrigeration System

heatman101

Posted on May 22, 2011

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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A copper thin tube from the unit is very hot. Is it normal?


Yes, well somewhat normal. The refrigerant leaves the compressor at high temperature and flows through the condenser coil where it cools about 20 degrees warmer than the outside air flowing through the condenser. Many small air conditioner units use a small copper tube (capillary tube) of a specific diameter and length for that system to cause a decrease in refrigerant pressure between the condenser and the evaporator. The refrigerant leaves the compressor as a gas at high pressure, cools in the condenser and changes into a liquid. The liquid flows through the cap tube and cools more as the pressure decreases and gets closer to the evaporator. The refrigerant boils and evaporates under the low pressure of the evaporator and turns back into a gas. That gas is pulled back to the compressor.
If the condenser is not cooling the refrigerant enough, the tube can become extra hot. Efficiency is reduced. Actual temperatures throughout the system depend on the type refrigerant used, suction and discharge pressure at the compressor, outside and inside temperature. Tables, charts and graphs for various pressure-temperature relationships can be found in refrigeration books and chemical web sites.

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1 Answer

Compressor leaks at pressure switch


The diaphragm in the pressure switch is leaking. A new pressure switch is the only way to fix it

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1 Answer

Pressure switch 120 volt compressor how to bypass pressure switch


Un-plug the compressor and remove the cover to the pressure switch. Inspect wire connections for burned /discolored wires. If not burned, look for button to manually trip switch (switch has on /off lever, place in on position). Test with ohm meter for continuity. Switch is normally closed and contacts are usually visable to evaluate condition. Some compressors use a very small sealed pressure switch that is also normally closed.

Oct 25, 2012 | Campbell Hausfeld 5HP 20 Gallon Single...

1 Answer

Builds up pressure pop off valve at tank opens will not regulate pressure


I would say you have a problem with your pressure switch, you may need to adjust it down. The pressure switch is normally located under plastic cover where your on off switch is on the compressor. There should be a screw with arrows next to it. Try that, otherwise you may need a new switch

Sep 27, 2012 | Champion International Champion 2 Stage...

1 Answer

My compressor tank fills like it should and sounds normal but none of the tools are working. this happen to anyone else?


Have you adjusted the pressure regulator knob for air flow? If so, the regulator may be plugged. Clockwise increases line pressure.

Jan 22, 2012 | Porter Cable C2002 150 Psi 6 Gal...

1 Answer

Aircon not cooling



If there is no cooling at all , before we go further we must confirm the first step of confirming the compressor and gas pressure. So shut off the A/C and check the compressor.Make sure that the thermostat was set to normal mode. If there is no cooling then we have a big issue as the compressor and gas must be checked out. If compressor is running check the pressure, get help to test gas pressure. If not you will need to fill up ,If gas pressure is good the possibility of the compressor being inefficient is high. In such a case you must take consensus to estimate and decide, if RPM of motor is low check capacitor.
So try this test from the outside and make your observations so that we come to the solution.

May 18, 2011 | LG Kitchen Ranges

1 Answer

My stanley compressor will not shut off untill the safety pop off valve activates


The pressure cut off setting is too high. Locate your operation manual and adjust the pressure to the manufactures specs. Normal shut off pressure is @ 125 psi.

Feb 15, 2011 | Stanley NEW Bostitch 2 HP 6 Gallon...

1 Answer

Sperre air compressor lp safety valve blowing pressure 15 bar normal pressure is 8 bar hp valves and gaskets new


sir i need control drawing for sperre compressor electrical schematic(415 volt motor,pressure switch,thermo swith,drain valve,level switchand alarm( iacms)

Dec 19, 2010 | Air Tools & Compressors

1 Answer

Craftman 3gal/1hp air compressor runs normal, but


Chek for pressure BEFORE REGULATOR,if the problem remains worn rings or valve seats most likely source of trouble.

Aug 09, 2009 | Air Tools & Compressors

2 Answers

Air Condition


it sounds like a loose compression compressor.

if the compressor is loose compression, normally it sounds noisy. then suction pressure is above normal and if you accelerate and maintains that high speed, let say 2000 rpm, the suction pressure goes down to the normal level and cools your air conditioning .

tnx 4 using fixya...

drcool

Aug 29, 2008 | 2004 Nissan XTerra

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