In an air conditioning system, pipes are needed to transfer heat energy from indoor to outdoor. When the valve is closed you should note the level of pressure settled on the gauge as you will have to continue the process of opening and closing the valve until the pressure on the gauge settles between 60 PSI and 70 PSI.Besides, air conditioners have other components such as filter drier and printed circuit board, these components will be covered later in this article. Open the valve for 4 seconds and close it for a few seconds. The valve on the lower side of the manifold should be opened again as the compressor starts.
Now you should turn on your AC and wait for the starting of its compressor. Now, for 3-4 seconds, you will have to open the knob on the lower side of the manifold and close it instantly.
It will help you in removing the entire air in the pipes connected to your aircon. Now the knob of the gas tank should be opened just for a second and closed immediately. The yellow hose should be loosened slightly at the end of the manifold before opening the knob of the gas tank. Now yellow hose should be connected to the tank containing R410A gas. The entire air in your system has to be removed before refilling the gas as the moisture in the air can damage the compressor.Īt this stage, you should ensure that all the valves of the manifold gauge of the AC are closed properly. Now you should attach the vacuum pump to the yellow hose from the kit. Now take the blue hose from the manifold gauge kit of AC to attach to the port on the suction line by removing the bolt. So to refill the R410A gas in the aircon it is necessary to loosen the screw of the suction line.
You should not remove the screw from the suction line as it will control the flow of refrigerant as a valve by not allowing it to flow out or in until it is attached to the line. Your second step is to unscrew the suction line by loosening the bolt inside it by using a Torx hex key. The refrigerant is recharged into the aircon through its suction line. The suction line located above the line of discharge remains cool by touch whereas the discharge line remains warm. I window AC you can find them on the back of the device and the outer unit in split AC. First of all, you should find the discharge line on the high side and suction line on the low side of your air conditioner.
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