\u00a9 2023 wikiHow, Inc. All rights reserved. The compound gauge on the right of this gauge set is used on the high pressure side of the refrigeration system and shows refrigerant pressures, typically from 0 - 500 psi on the black scale or 0 - 35 KG/CM3On the outermost red scale. A typical compressor service valve is composed of four essential parts: 1. 1/4 in SAE M Branch x 3/8 SAE M x 3/8 in SAE F Run, 1/4 in SAE M Run x 1/4 in Flare Nut Branch, 1/4 in SAE M x 1/4 in Flare Nut Run x 1/4 in SAE M Branch, 1/4 in SAE M x 1/4 in SAE F Run x 1/4 in SAE M Branch, 1/4 in SAE M x 1/4 in SAE M Run x 1/4 in SAE F Branch. You will spend more on parts, supplies and time than the value of this appliance. Then, install a bullet-piercing valve and check the Freon by using a specialized gauge before adding the Freon. You can easily round the valve stem edges, rendering the valve useless. Why 3 Pipes on Fridge/AC etc Compressors? It is typically made of brass and is found at the base of the valve stem. Suction Side of Refrigerator Compressor If you have a lot of food that will go bad quickly or can melt, fill a cooler with ice and store it in there to keep it cool. GE electric dryer DPSE810EG4WT seems to have lower than normal heat, long time to dry. The low side service port is usually located between the AC compressor and evaporator. Compressor connection. The label is sometimes on the back of the refrigerator. The compressor tank is the large tank on the bottom of your fridge behind the panel. We recommend our users to update the browser. On Saturday, August 8, 2020 at 12:39:47 PM UTC-5, Blue tape is from the factory to keep stuff from moving and falling off inside the box, the blue tape can be taken off because after the frig is delivered it serves no purpose, https://www.homeownershub.com/maintenance/why-3-pipes-on-fridge-ac-etc-compressors-376503-.htm. Supco BPV31 Bullet Piercing Valve Best Refrigerator Compressor 2022 1- GE WR87X10111 OEM Compressor [Editors Choice] Why do we love it? Refrigerator Repair Check the pressure. collected for later recycling or incineration, % of people told us that this article helped them. R-134a ideally should have between 25 and 45 psi. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. The motor rotates the male rotor through the crankshaft. Low Side Service Port Include your email address to get a message when this question is answered. When we plugged it back in, the problem returned. If the valve stem is all the way out, the valve is considered to be in the back-seated position. 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. Turn off the refrigerant gas canister supply. Hi, I've got a GE Refrigerator that either has a bad compressor or the closed system is low on refrigerant for some reason. Read on to learn how to test a refrigerator compressor. I need to install a service port. Your Freon line will attach directly to your tank and feed into the fridge. Google's happy to tell me how refrigeration works, but not what thethird pipe is for. How a Refrigeration Compressor Works Refrigeration access valves provide an access port for connecting hoses to charge, drain, or test refrigerant and check pressure. If left in either the front-seated or back-seated position, heat from brazing can cause the inside plunger to weld to the seating area on the inside of the valve body. WebRefrigeration access valves provide an access port for connecting hoses to charge, drain, or test refrigerant and check pressure. 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. It has developed this condition very gradually. in the table for R12 state changes shows us that we should see 21 pounds of pressure. We use cookies to make wikiHow great. How a Refrigeration Compressor Works JavaScript is disabled. There are no service valves, so this one is needed to measure the pressures and to add Freon. according to the following procedure: 2. They are designed and built to provide a quality solution for many HVAC applications. We may earn a commission from your purchases. WebOpen the refrigerant canister (C) and by opening the gauge valve (E - low side) purge the lines (do not use the system's refrigerant to purge the gauge lines) Tighten the service line to the service port. To keep moisture & dirt out of an air conditioner, heat pump, refrigerator, freezer, etc., in addition to finding and fixing leaks, we need to know how to properly use a refrigerant gauge set with charging lines, and how to use cap off plugs on the charging fittings. a Refrigerator Compressor Home House & Components Appliances Refrigerator. They prevent the threads on the service valve from being rusted over or otherwise damaged. Find out how much Freon you need. WebDIY Refrigeration System #2 Service valve Shaun Dobbie 8.88K subscribers Subscribe 45K views 7 years ago Fitting a service valve to a refrigeration compressor. The most common arrangement has the switch contacts on the 3 grouped terminals with the common leg in the center (hot 120 vac line) and the normally open leg (defrost heater wire) on the end. Refrigerator Refrigeration Access Valves WebLG Direct Service experts know Lg products inside and out - from big-screen tvs and home entertainment systems, to washers, dryers, dishwashers, refrigerators, ranges, ovens, cooktops, microwaves and any other lg products. some walkin freezers have a hot gas bypass valve that is usually called a head pressure control. Open the receiving cylinder valve and then the The instructions inside explain the process. compressor process tube. WebLocate the water shutoff valve: its usually in the wall behind the fridge (sometimes hidden in a panel), under the sink or in the cabinet next to the refrigerator. Maximum amount of digits: 6. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. FIND. Hg. The product will be reserved for you when you complete your order. Also, look to see if the service valve has a packing gland nut. Copyright I have a sub zero 550 the refer compressor burnt out. [Click to enlarge any photo to see more detail], On our air conditioner or heat pump test gauges we use a. Open the refrigerant can port, allowing refrigerant to enter the system. I will just use that as my service port then to vacuum it and then charge. Remove the cap on your bullet-piercing valve. Recharging your Refrigerator The valve looks like the air valve on a car tire. Web10PCS Service Access Valve, 1/4'' SAE x 1/4'' OD x 4.92'' Brass Copper Charging Valve for Air Conditioner Refrigerant System, Air Conditioning Line Repair Tools $1098 ($1.10/Count)$12.38 Save 8% with coupon FREE delivery Mon, Feb 6 on $25 of items shipped by Amazon Service to collect all refrigerant. Automotive Air Conditioning Manifold Gauge Set for R134a refrigerant systems. If the pressure inside of your system is higher than 1 psi, bleed some of the air out by opening the valve without attaching anything to it. Why 3 Pipes on Fridge/AC etc Compressors? Only one image can be added per comment but you can post as many comments, and therefore images, as you like. Turn the equipment service valve in slightly and run the system. CPS Products is a business built by technicians, for technicians. (E) is the functioning location of the low side control valve. Heating element is WE11X20397. refrigerator Best Refrigerator Compressor 2022 1- GE WR87X10111 OEM Compressor [Editors Choice] Why do we love it? The third pipe is called a "process stub", as I've heard it. There are three positions in which the valve can be oriented. You'll see dual refrigerant gauge manifolds included in the list of sources we give below. ". Vacuum is also shown on this gauge on a scale from 0-30 in. After using a temporary tap-in valve on the process tube at a compressor unit, you should solder off the line puncture and add a permanent service valve fitting - the type that uses a schrader valve and cap - also referred to as an access valve or line valve. I need to install a service port. an Air Conditioner Service Valve Works an Air Conditioner Service Valve Works WebEspecially if the low side service port is located very close to the compressor suction port. You need to use the same kind of Freon listed on the label of your refrigerator. To avoid an expensive service call, Costas suggested we first try pulling the fridge away from the wall, unplugging it and removing the service panel for about 20 minutes to allow enough time for the compressor to cool and any onboard computers to reset.