\u00a9 2023 wikiHow, Inc. All rights reserved. Your Freon line will attach directly to your tank and feed into the fridge. When we plugged it back in, the problem returned. Thanks, I check somewhere else and it tells me that the port I was talking about is a process port. WebEspecially if the low side service port is located very close to the compressor suction port. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The adapter should create a device friendly blockage onto the valve and service port of the refrigerator. Carbon fluoride; Freon 14; Perfluoromethane; Carbon tetrafluoride; Halocarbon 14; R 14; PFC 14 are synonyms for R14 refrigerant. suggestions. We describe the procedure for using test gauges when adding or replacing refrigerant: charging an air conditioner, heat pump, refrigerator with refrigerant gas. I Tried a Hands-Free Dog Leash, and I No Longer Dread Walking My Dog, The Best Black Friday 2022 Refrigerator Sales for a Kitchen Refresh, Do not Sell or Share My Personal Information. R-134a ideally should have between 25 and 45 psi. Else you might need to buy one. Depending on which valves you open or close, this gauge set permits both checking pressure and/or charging the refrigerant system on either the high side or the low side. When opening and closing compressor service valves, make sure to use the right tools, such as an appropriately sized service wrench. Injecting refrigerant as a vapor in the low side with the compressor running doesn't require any vacuum to be done simply because it's the compressor itself I need to install a service port. The possible versions include R-12, R-13B1, R-22, R-410A, R-502, and R-503. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 23-cu ft 1-Door Reach-In Commercial Refrigerator (White) Model # MXX-23R. Load More Products Note: Product availability is real-time basis and adjusted continuously. I sent it in for repairs a few years back, but now it is failing with the exactly the same symptoms: compressor working non-stop, temperature never goes to -18C (it has a digital display), but stays around -11C. If its not obvious to you that the larger diameter line is the low pressure or suction side and the smaller diameter refrigerant line is the high pressure side, then really you should not be messing with this equipment before taking a refresher class in HVAC servicing and repair. Explore all our refrigeration access fittings, adapters, valves, and accessory options: Adapters Back Seating Control Valves 23-cu ft 1-Door Reach-In Commercial Refrigerator (White) Model # MXX-23R. Watch out: Never open both high side and low side valves on the gauge set at the same time. Every A/C System has two service ports: A high side and a low side. You can easily round the valve stem edges, rendering the valve useless. WebYou should install a refrigerant valve adapter to the saddle valve for the safety of your refrigerator. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. WebDisconnect and empty your refrigerator. The low side service port is usually located between the AC compressor and evaporator. in green.. at REFRIGERANT PRESSURE READINGS & CHARTS. WebRefrigeration access valves provide an access port for connecting hoses to charge, drain, or test refrigerant and check pressure. Every A/C System has two service ports: A high side and a low side. My freezer has two screw-on connections (I think they were added during the repairs): one on A typical compressor service valve is composed of four essential parts: 1. There are no service valves, so this one is needed to measure the pressures and to add Freon. Please click here to continue without javascript.. Technology Can Help Solve the HVAC Labor Issue, Moving Forward with R-290 Natural Refrigerant, Decarbonization with Heat Pump Technology, BNI Mechanical/Electrical Square Foot Costbook, 2023 Edition. Website operating Two are the high side and low side, but one is a short piece that's crimped and brazed closed. View our Privacy Policy here. The important thing is that the switching is on the proper terminals. The adapter should create a device friendly blockage onto the valve and service port of the refrigerator. Jennifer Moore, Sales Administrator, Nextteq, LLC, Tampa FL, Refrigeration temperature & pressure chart for R-14, R14, tetrafluoromethane, also referred to as CF4, web search 07/27/11, original source http://encyclopedia.airliquide.com/Encyclopedia.asp?GasID=61#VaporPressureGraph. 5 With the compressor running, I opened the manifold valve and let the compressor suck in the gas for five seconds or so until the gauge indicated 20 psi. WebCheck the pressure gauge. Here is another example of using the process port on a compressor motor, from Embraaco. The male rotor moves the female rotor as the rotors inter-mesh against each other. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 2016/08/16. Warning: The valve must be completely tight on the pipe. WebTroubleshoot, order parts, or book a repair service with our comprehensive refrigerator repair resources. WebYou should install a refrigerant valve adapter to the saddle valve for the safety of your refrigerator. if you use pressure test gauges to measure the refrigerant pressure in the static or equalized air conditioning or heat pump system, the gauges only tell you the refrigerant pressure, not the quantity of refrigerant that is present in the system. Turn the equipment service valve in slightly and run the system. the state change from liquid to vapor. Refrigerator problem? Low pressure side (blue hose on my gauges). If it's truly freon (R-12), good luck trying to find it for less than the cost of a new fridge. hot gas is bypassed into the compressor to warm it when it is very cold outside. Doing a little research about process ports I read that it's an "alternative suction line" - and on smaller HVAC compressor motors both ports are open to the same compressor chamber - so either could be used for charging. for pricing and availability. On Tuesday, June 2, 2009 at 6:50:35 AM UTC-5. The low side line of the system will have a larger diameter metal pipe than the high-side. Tip: CFC stands for chlorofluorocarbon. (E) is the functioning location of the low side control valve. nobody can match our lg repair service technicians' product knowledge and commitment to excellence, utilizing only genuine lg Ultimately, the service valve refers to a section on your air conditioner that houses various ports for the technician to connect, and this is how they determine the faults in your system. Insert a bullet-piercing valve around the Freon line. hot gas is bypassed into the compressor to warm it when it is very cold outside. Valve stem. Screw the new set of coils into the same port and ensure that theyre tight before starting your fridge again. Call Toll-Free: 844-988-4066. The compression involves the motor and the male and female rotors. The compressor is a vital part of the exhaust and refrigeration system on your appliance, working in tandem with the condenser, the evaporator and the expansion valve or capillary tube. Get a reading. It has developed this condition very gradually. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e5\/Put-Freon-in-a-Refrigerator-Step-1-Version-2.jpg\/v4-460px-Put-Freon-in-a-Refrigerator-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/e\/e5\/Put-Freon-in-a-Refrigerator-Step-1-Version-2.jpg\/aid11262052-v4-728px-Put-Freon-in-a-Refrigerator-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"