How To Read A Air Conditioner Gauge

THE HIGH SIDE NEEDLE SHOULD POINT TO A TEMPERATURE BETWEEN 105 AND 115 in the green ring of numbers AND THE PRESSURE IS READ ON THE BLACK RING OF NUMBERS FOR PRESSURE. This video is for beginners to the HVACR trade not homeowners or those who arent properly certified.

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3-ounce partial charge at 70 shows the SAME pressure as a fully charged system.

How to read a air conditioner gauge. The table below shows 7 Gauge Readouts that you may encounter. Moving on you should then check the pressure. Connect the low-pressure side with the blue port on the gauge.

Close low side valve on the manifold gauge set. It is illegal to vent 134a refrigerant into the atmoshpere. Venting is illegal in USA.

To read the AC gauge look at it to read the manometer and so that you can locate yourself when you read 10 they are pounds that is equal to psi now when you ask for the bar they are 145 pounds or psi. They should be the same because the high and low side pressure equalize once the compressor shuts off. If the high and low gauges read 0 the system is empty.

The red gauge stops increasing as the fan cuts in typically between 180psi and 225psi. Next locate the low side pressure open its cap and then connect it with the blue gauge with the blue hose. How to fix ac problems.

Open valve on the refrigerant source. Charge system until gauges read over 50 pounds of pressure. Need service possible blockage of the expansion valve or orifice tube.

AC is working properly. Looking at any ac manifold gauge youll see a blue-colored pressure dial and hose on the left side a red-colored pressure dial and hose on the right and a yellow hose in the middle with no corresponding dial. How to use AC gauges in your car DIY with Scotty Kilmer.

Do this by turning off your vehicle and then hanging your Freon gauge under your hood just above the compressor. Use the Gauge Readout Tool separately or in combination with the table of Gauge Diagnostics for AC troubleshooting. Blue represents the low pressure side of the air conditioning system and red represents the high pressure side.

Needs service possibly faulty compressor. I hope this helps you understand how to read a gauge set. The high-pressure gauge hose also connects to the corresponding high-pressure.

If it is less than 24 psi your system is low and needs additional refrigerant. AIR CONDITIONING ON As the ambient temperature rises the red gauge rises 40psi up to 225psi and the blue gauge remains at a constant low 20psi to 35psi. The low-pressure side of the device connects to the low-pressure gauge hose.

Attach to the hoses and gauge set to the high and low side ports of your AC system. What the AC gauges can tell you when the system is running. How to read and recharge the AC system using pressure gauges.

HVAC school covers the basics of how an air conditioni. A technician reads the pressure levels in the discharge line after connection of the manifold gauge to the device. We have three really good Youtube Videos made by Word of Advice TV and AC Service Tech LLC that show how to read a refrigerant gauge set and how to charge air conditioning systems that use both R410A and R22 refrigerants.

If split says in the specification on coolant it is 780g r22 bone 780g 17 pounds. Lets get this straight from the get-go gauges can tell you if the system pressures are in a normal range over-pressurized or under-pressurized but they CANNOT. Start the engine and set the air conditioning system to Max AC and the system fan to High Let the air conditioning system run for two to three minutes.

Using Gauges for Troubleshooting Gauge pressure is the first tool in AC troubleshooting. Add 15 to 25 degrees F to the outdoor temperature say 9015105 and 90 25115 and look at the TEMPERATURE information for R-22 on the gauge green ring of numbers. With the engine OFF for at least 30 minutes read the low and high-pressure gauges.

Open the low side valve on the manifold gauge set. After that attach the low-pressure part with the blue low-pressure hose and the AC units pressure gauge. Observe the R-134a psi reading on the pressure gauge.

Air Conditioning Symptoms. I hope these videos help you get your air conditioner or. This will result in a favorable flow of vacuum pressure also called micron meter to assess the vacuum pressure present already in the air conditioning system.

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