How To Use Air Conditioning Gauges

Open the gauges to get the PSI readings on. How to use AC Gauges in Your Car AC Problems - YouTube.

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The AC gauges have pressure and temperature charts in gauges.

How to use air conditioning gauges. Measure temperature about 1-ft in front of the grille. An AC gauge is also known as the Manifold AC gauge set is a device which helps in reading and controlling the pressure of the gases to be released for air conditioning. Connect both high and low R134a couplers to the AC systems service ports.

Manifold gauge set is designed to test air conditioning systems by comparing the high side and low side pressure which designed for automotive or household AC freon charging evacuation vacuum diagnostic check and recovery work. Start by turning on your car and then setting your air conditioning on to the highest setting. How to use AC Gauges in Your Car AC Problems Watch later.

It must be the temperature of the air coming into your cars condenser. How Bluon is Helping Technicians. Familiarize yourself with the gauge as there are a variety of gauges out there with some differences amongst them.

On the manifold youve more ports to attach these gauges. Under the hood prepare your recharge gauge and hose. Connect the low side hose blue to the low side port on the AC unit.

Dont go by the temperature from a news or weather service. Open the low side valve on the manifold gauge set. Connect the red gauge to the high side service port on the AC unit.

Do this by loosening but not disconnecting the yellow hose fitting at the top of the manifold gauge set until you hear air hiss out for two seconds. The high side is the smaller pipe on the unit. If using manual R134a couplers open the couplers by turning the knob on the top of the coupler clockwise until it stops.

You can find the pressure of refrigerant using the pressure-temperature chart included. How Air Conditioning Gauges Work for Beginners - YouTube. Open valve on the refrigerant source.

Open only the low side valve on the manifold. What you have to know about your system before using AC gauges You must know ambient air temperature. Just got new set the quality of the set is amazing.

The re-circulation function should be activated as well. Air Conditioning Diagnostic Freon Charging Set ideal of professional auto mechanics. Step 2 Connect the high side hose red to the high side port on the AC unit.

It mimics the temperature and pressure of the air conditioning whenever it is operated. In case you need to connect a vacuum pump you can use these ports as you service the air conditioning unit. This is really important.

With both low- and high-side valves still closed start the vehicle and turn on the ac to max. The rotating handle of this AC gauge is made of the strongest special material.

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