Refrigerant 410a pressure

Faq. R-410A is a blend of R-32 and R-125 that is 60% higher pressure than R-22 for air conditioning applications and should only be used in new equipment specifically designed to handle the pressure. Systems that are designed for R-410A will have smaller components to perform the same cooling job as R-22. R-410A will require POE lubricants.

Refrigerant 410a pressure. BP. BP. BP. -114.6°F. -115.6°F. -126.1°F. Before adding refrigerant charge, evacuate to proper vacuum level to remove non-condensable gases and to evaporate and remove moisture in the system. This chart shows the vacuum level and the temperature at which water will vaporize.

R410A PRESSURE-TEMPERATURE CHART. Saturation Pressure-Temperature Data for R410A (psig)*. ECLPC-1 Rev 1 – 02/22.

R-600a Pressure Chart. ... provide your certificate number or declare the item will be resold to an EPA certified technician on certain types of Refrigerant. (R-410A, R-404A, & R-134A are excluded from this.) This helps us keep compliant and prevents any and all future headaches for you or your company down the road.Aug 14, 2023 · Before diving into the intricacies of pressure balancing, it’s essential to grasp the fundamentals of 410a refrigerant and its significance in modern HVAC systems. 410a, also known by its trade name Puron, is a blend of hydrofluorocarbon (HFC) refrigerants commonly used as a replacement for older, ozone-depleting substances. Jun 7, 2021 · Residential 410a system as follows: Liquid line: ~400psi. ~ 30 subcool. Vapor line: 105psi. ~30 superheat. The LLFD does not feel cold. The TXV is backed all the way out. developments. Today, the air conditioning market is facing tough government pressure on energy savings and environment restrictions. R410A being a non-ozone depleting chemical able to improve energy e˝ciency, it is now proven that it will be the long-term replace-ment to HCFC refrigerants.Myth No. 1 The higher pressure of R-410A makes it less safe than R-22. Although the pressure of this refrigerant is about 60 percent higher than R-22, the systems, components, service tools, and refrigerant cylinders (both new and recovery) are all designed to safely handle this pressure with a safety margin similar to that for other …

You can see that this R410A pressure chart includes high and low side pressures at temperatures ranging from -60 °F to 155 °F. Higher temperature equates to higher pressure. Here are 4 examplesof how you can use this chart: Example 1: What is the pressure of r410a at 72 degrees Fahrenheit? We can see that at … See moreThe equivalent pressures for common refrigerants are also listed. For zeotropic blends the pressure of the saturated liquid (also called the bubble point) ... for R410A Bar g Air cooled 55OC 13.9 . 24.8 . 23.5 : 33.0 . Water cooled 8. O. C above the max leaving water temp . Pressures dependent on water temperature.Watch this video to find out about the new GE Café Series refrigerator that has a Keurig drink dispenser built into the door to provide hot beverages. Expert Advice On Improving Yo...By January 1, 2010, there was a ban on the production and import of R-22. 5 As a result, manufacturers of heat pump and air conditioning equipment redesigned their systems to accommodate R-410A, a chlorine-free refrigerant compared to R-22. The refrigerant would soon replace R-22 in the new HVAC equipment. EPA regulations require a ban on …May 27, 2016 ... R-410A, R-22 Refrigerants! Checking the Charge- Liquid/High Operating Pressures, What is too High! This is how to tell what a high head ...Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A.R-410A isn’t inherently dangerous. It’s kept at higher pressures in your air conditioner for the cooling process, but it’s not like natural gas or oil. It’s not flammable and it doesn’t create carbon monoxide or other contaminants in the air as it cycles through your air conditioner. However, just because it’s inherently safe doesn ...

Apr 14, 2019 · R410A Pressure Enthalpy Chart. Scroll down to download a PDF copy of the pressure enthalpy chart for both Metric and Imperial Units. These charts were provided courtesy of Danfoss, using their FREE CoolSelector 2 software. If you were to put R-410A refrigerant into a system designed for R-22, the pressure would be too much and the unit would break. All air conditioners use an oil to keep the compressor lubricated during operation. R-22 air conditioners use mineral oil and R-410A systems use synthetic oil. Constants for vapor pressure of saturated vapor (dew point), p g: A = –1.440004 E+00 E = –3.521484 E+00 B = –6.865265 E+00 F = –7.750000 E+00 C = –5.354309 E–01 X o = 2.086902 E–01 D = –3.749023 E+00 Because both pressure and temperature appear in the reduced form in the equation, the same constants can be used for either SI or ... In this HVAC Training Video, I Show How to Check the Refrigerant Charge using the Subcooling Method. Next I provide 3 Scenarios for Technicians to figure out...In this HVAC Training Video, I show the R-22 and R-410A Range of Operating Pressures on Air Conditioning Systems! I show why we Measure Pressures and Tempera...

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Freon™ 410A Refrigerant 14 Equations for Property Estimation English Units Curves have been fitted to the measured data to obtain the following equations for estimation of Freon™ 410A properties within the ranges specified. Saturated Liquid Viscosity in cP (–60 to 150 °F) µ = 0.212 – 1.65E-3 T + 7.07E-6 T2 – 1.57E-8 T3Because R-410A differs from R-22 in several respects, including operating pressure, some trade schools offered classes and certifications for R-410A specifically. These are not equivalent to a section 608 certification.• The compression ratio for Freon™ 410A will be higher than R-13B1; this could increase brake horsepower requirements. • Recycle or recovery machines designed for use with high pressure refrigerants can be used with Freon™ 410A. However, mixing refrigerants should be avoided.erties of R-410A are very similar to those for R-22 as well as most of today’s HFC refrigerants. The major difference is the higher pressure. 2. Follow general safety guide-lines. Refrigerants can be used safe-ly when recommended safety and handling practices are followed. Pressure, frostbite, overexposure to vapors and deliberate inhalation are r-410a pressure temperature chart psig f° psig f° psig f° psig f° psig f° psig f° 12 -37.7 114 37.8 216 74.3 318 100.2 420 120.7 522 137.6 14 -34.7 116 38.7 218 74.9 320 100.7 422 121 524 137.9 16 -32.0 118 39.5 220 75.5 322 101.1 424 121.4 526 138.3

The low side pressure of a typical R410A mini split is between 110-140 psi depending on the operating conditions. Though it can vary, the low side pressure of a mini split should not fall below 100 psi or raise beyond 160 psi. The working pressure of mini splits is depending on factors such as the weather and cooling load.R-410A HFC 72.6-61 691.8 158.3 34.5 67.74 0.261 116.8 0.3948 0.1953 0 2088 A1 0.2 Refrigerant Reference Guide 43 5th Edition 2010 R-410A Technical Guidelines Applications: Air conditioning equipment and heat pumps. Only for newly manufactured equipment, not for retrofitting R-22 systems Performance: Presures are 60% higher than R-22, therefore ...What should my pressures be for 410A? Typically, for a properly charged R-410A system, the low-side (suction) pressure may range from 120 to 150 psi, and the …Semantic Scholar extracted view of "Supercritical gas cooling and condensation of refrigerant R410A at near-critical pressures" by B. Mitra. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 217,973,504 papers from all fields of science. Search ...4 Using Table 2, select the column which is closest to the measured vapor pressure. 5 Scroll down the column to find your calculated superheat. 6 Read the required vapor line temperature at the intersection. (°F) If the measured vapor line temperature does not agree with the required vapor line. 7 temperature, add refrigerant to lower ...R-600a Pressure Chart. ... provide your certificate number or declare the item will be resold to an EPA certified technician on certain types of Refrigerant. (R-410A, R-404A, & R-134A are excluded from this.) This helps us keep compliant and prevents any and all future headaches for you or your company down the road.Freon™ 410A Refrigerant 14 Equations for Property Estimation English Units Curves have been fitted to the measured data to obtain the following equations for estimation of Freon™ 410A properties within the ranges specified. Saturated Liquid Viscosity in cP (–60 to 150 °F) µ = 0.212 – 1.65E-3 T + 7.07E-6 T2 – 1.57E-8 T3R410A is a blend of two hydrofluorocarbon (HFC) refrigerants: R32 and R125. These two components work together to create a refrigerant with excellent thermodynamic properties. R32 provides high energy efficiency, while R125 contributes to the stability and heat transfer performance of R410A. When it comes to the chemical composition of R410A ...R-410A also functions at a higher pressure than R-22, so new compressors are built to withstand greater stresses, reducing the chance for cracking. If you were to put R-410A refrigerant into a system designed for R-22, the pressure would be too much and the unit would break.R-410A Refrigerant 25 LB Free Continental US Shipping 100% Virgin Factory Sealed Satisfaction Guaranteed Refrigerant R410A is used in new equipment designed to run at high pressures. ... it can only be used in air conditioning and heat pump systems specifically designed to handle the refrigerant’s high pressure.

If you do have an old R-22 dehumidifier but cannot find someone to do the recharge, you might be out of luck. R-410A is more pressurized than R-22, and thus they are not compatible in the same machines. If you tried to put R-410A into a device built for R-22, you’re going to blow the gaskets and destroy the dehumidifier.

Online R454B pressure temperature chart spanning from -40°F to 150°F temp. Printable PDF version of R454B PT chart you can take with you on the job. There are several brand names for R454B: Opteon XL41, Solstice 454B, and Puron Advance. This is a blend of R32 (68.9%) and R1234yf (31.1%). It has a very low boiling point of -59.5°F (-50.9°C).Jan 13, 2021 ... R-22 and R-410A Operating Pressures on Air Conditioners! Checking ... What Should my AC Pressures Be for R410A Refrigerant. Benjamin Sahlstrom ...Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22. These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. R-22 refrigerant is the king and used widely in the residential and commercial markets followed by R-134A which is used in ...Lower GWP (465) compared to R32 and R410a; Close operating pressures and temperature with R410-a, making transition easier Other approved R410a replacements. In addition to these two refrigerants, the EPA’s SNAP Rule 32 identifies four more A2L refrigerants as approved alternatives to R410-A: R452B; R454A; R454C; …Pressure controls and thermostats Pressure controls and thermostats ... R410A Refrigerant Type Rated capacity Qnom.1) Ori˜ce no.2) Pressure equalisation Connection Inlet × Outlet kW TR in. Code no. mm Code no. R407C TUB 0.92 0.26 1 int. 6 × 12 068U1901 TUB 1.4 0.38 2 int. 6 × 12 068U1902Refrigerant 410a, also known as R-410a, is a hydrofluorocarbon (HFC) refrigerant commonly used as a replacement for R-22 in residential and light commercial air conditioning and heat pump systems. It has become …The PT Chart typically lists the pressure on the left, and the corresponding refrigerant boiling point on the right. Refrigerant at these conditions is referred to as saturated. Saturated refrigerant can be 100% vapor, or a mixture of liquid and vapor, or 100% liquid. At temperatures above saturation, the refrigerant becomes super-heated vapor.The Internet of Things—a world where most working objects are online in some fashion—promises to change everyday life and boost the economy. But who knew it could make it cheaper t...This is where our friend R-410A came into play. New machines from 2010 and onwards were banned from using R-22. Instead, they were outfitted with R-410A. If you would like to read more about R-410A refrigerant please have a look at our Puron fact sheet. R-410A PT Chart. Let’s take a look at our pressure table for R-410A Puron.

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Benefits of using this refrigerant: RS-53 (R-470A), with a GWP almost 60% lower than R-410A, was formulated to be safe and compatible with R-410A compressors, system components, and oils, according to ComStar. RS-53 has similar properties to R-410A, including discharge pressure, discharge temperature, energy efficiency, and …Pressure controls and thermostats Pressure controls and thermostats ... R410A Refrigerant Type Rated capacity Qnom.1) Ori˜ce no.2) Pressure equalisation Connection Inlet × Outlet kW TR in. Code no. mm Code no. R407C TUB 0.92 0.26 1 int. 6 × 12 068U1901 TUB 1.4 0.38 2 int. 6 × 12 068U1902R-410A has been around for nearly ten years now but there are still so many questions asked about it that I thought I would take the time and put together a quick frequently asked question post. The goal of this is to provide you answers on some of the most common questions and hopefully on some of the less common ones. If I missed …In this HVAC Training Video, I Show How to Check the Refrigerant Charge using the Subcooling Method. Next I provide 3 Scenarios for Technicians to figure out...Our Ebook, Paperback, Workbook, Quick Cards: https://www.acservicetech.com/the-book This video is on Normal Operating Pressures are for Freon R-22 and R-410A... Common refrigerants and their color codes. Refrigerants - Environmental Properties Refrigerants - Ozone Depletion (ODP) and Global Warming Potential (GWP). Refrigerants - Pressure vs. Temperature Charts Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. With the regulatory phase-out of R22, the HVAC sought out an alternative refrigerant that prioritizes environmental friendliness and energy efficiency. One such substitute that has gained widespread acceptance is R410A, a hydrofluorocarbon (HFC) blend. Unlike R22, R410A does not contribute to ozone depletion and has a lower GWP.AZ-20 (R-410A) pressure is about 60% (1.6 times) greater than R-22. Only use servicing equipment and components designed for AZ-20 (R-410A). ... Never pressurize a mixture of air and refrigerant since it may become flammable. Always read the Genetron AZ-20 material safety data sheet (MSDS) before using the material. PSIG (°F) AZ-20 R-22 PSIG2.7 lbs./min./ton for R-410A 30 parts per million for R-502 5 Since there is currently no ARI standard for R-744, values are based on 1 ton of refrigeration at 20°F liquid refrigerant temperature and -20°F saturated vapor temperature. Liquid Refrigerant Holding Capacity-Ounces Unit Size R-12 R-134a/ R-450A/ R-513A R-22/ R-448A/ R-449ABy January 1, 2010, there was a ban on the production and import of R-22. 5 As a result, manufacturers of heat pump and air conditioning equipment redesigned their systems to accommodate R-410A, a chlorine-free refrigerant compared to R-22. The refrigerant would soon replace R-22 in the new HVAC equipment. EPA regulations require a ban on … ….

Tanks listed as DOT-4BA400 are designed for a service pressure of 400 PSIG with a test pressure of 800 PSIG. That means that R410a is safe in the tank at a tank temperature of up to 116 °F. That equates to 400 PSIG for typical use. However, the tank is tested not to fail until over 800 PSIG. If a tank has any physical signs of damage, you must ...Measuring the pressure of R134A refrigerant on a hot summer day. The pressures in the PT chart are expressed in psig or gauge pressure. That’s very practical; we always use a pressure gauge meter when measuring the pressure in refrigerant lines.. Note: R134A is chemically named 1,1,1,2-Tetrafluoroethane. For on-site use, we include a printable …Food waste and spoilage is a significant problem facing African supply chains from farm to fork. “How long is the shelf life for your fruits since you guys don’t have electricity o...Refrigerant Safety. The risks associated with the use of refrigerants in refrigeration and air-conditioning equipment can include toxicity, flammability, asphyxiation, and physical hazards. Although refrigerants can pose one or more of these risks, system design, engineering controls, and other techniques mitigate this risk for the use of ...shows that R-454B is very close in pressure drop to R-410A systems (it is actually slightly lower in pressure drop for equal line sizes). As existing R-454B systems are placed into service in systems previously using R-410A, R-454B systems likely will . be able to do this without any pipe-size concerns.The low side pressure of a typical R410A mini split is between 110-140 psi depending on the operating conditions. Though it can vary, the low side pressure of a mini split should …Product Information. FreonTM 410A is a non-ozone depleting high efficiency hydrofluorocarbon (HFC) refrigerant. FreonTM 410A has higher cooling capacity and …R22 Refrigerant Pressure Temperature Chart. Pressure Temp Chart R-11, R-12, R-22, R123, R134A, R404A, R-500, R502. Using an HVAC refrigerant pressure temperature chart is necessary to be sure a unit is operating correctly. Below are three free pressure temperature charts that can be used to troubleshoot an HVAC unit.What are some reasons to buy a freezerless refrigerator? Find out 5 reasons to buy a freezerless refrigerator in this article. Advertisement Chances are pretty good that the fridge... Refrigerant 410a pressure, R-410A HFC 72.6-61 691.8 158.3 34.5 67.74 0.261 116.8 0.3948 0.1953 0 2088 A1 0.2 Refrigerant Reference Guide 43 5th Edition 2010 R-410A Technical Guidelines Applications: Air conditioning equipment and heat pumps. Only for newly manufactured equipment, not for retrofitting R-22 systems Performance: Presures are 60% higher than R-22, therefore ..., REFRIGERANT PRESSURE / TEMPERATURE CHARTS for R-22, R-410A, R-134A, R-404A REFRIGERANTS [PDF] Advantage Engineering, Inc. 525 East Stop 18 Road Greenwood, IN 46142USA, Tel: 317-887-0729 Web site: www.AdvantageEngineering.com Email: [email protected], This script determines the gas pressure based on temperature of R410a refrigerant. R410A is an HFC refrigerant, invented by Honeywell, that has been developed to replace the HCFC refrigerant R22. Systems operating on R410A run at a pressure of about 1.6 times that of similar systems operating on R22. Energy efficiency is comparable to R22., Because R-32 efficiently conveys heat, it can reduce electricity consumption up to approximately 10% compared to that of air conditioners using refrigerant R-22. Furthermore, compared to the refrigerants widely used today such as R-22 and R-410A, R-32 has a global warming potential (GWP) that is one-third lower and is remarkable for its …, Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22. These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. R-22 refrigerant is the king and used widely in the residential and commercial markets followed by R-134A which is used in ..., R410A PRESSURE-TEMPERATURE CHART. Saturation Pressure-Temperature Data for R410A (psig)*. ECLPC-1 Rev 1 – 02/22., This is where our friend R-410A came into play. New machines from 2010 and onwards were banned from using R-22. Instead, they were outfitted with R-410A. If you would like to read more about R-410A refrigerant please have a look at our Puron fact sheet. R-410A PT Chart. Let’s take a look at our pressure table for R-410A Puron., Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22. These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. R-22 refrigerant is the king and used widely in the residential and commercial markets followed by R-134A which is used in ..., DuPont ™ SUVA ® 410A Refrigerant Version 3.0 Revision Date 12.05.2011 Ref.130000000570 ... Vapour pressure : 16 574 hPa at 25 °C : 30 520 hPa at 50 °C Density : 1,062 g/cm3 at 25 °C, (as liquid) SAFETY DATA SHEET according to Regulation (EC) No 1907/2006 and 453/2010 DuPont ..., Furthermore, the pressure drop for R-410A was about 30% lower than that of R-22 during evaporation. The quantitative differences in the pressure drops between R-410A and R-22 were mainly attributed to the differences in the vapor densities of two refrigerants. The larger the vapor density, the smaller the pressure drop of a refrigerant., Freon™ Pressure/Temperature Chart App. The P/T Calculator provides technicians with refrigerant data on the go. Learn More. Sales & Support. Where to Buy; ... Freon™ 410A (R-410A) Refrigerant; Freon™ MO29 (R-422D) Refrigerant; Freon™ MO59 (R-417A) Refrigerant; Freon™ 123 (R-123) Refrigerant;, Constants for vapor pressure of saturated vapor (dew point), p g: A = –1.440004 E+00 E = –3.521484 E+00 B = –6.865265 E+00 F = –7.750000 E+00 C = –5.354309 E–01 X o = 2.086902 E–01 D = –3.749023 E+00 Because both pressure and temperature appear in the reduced form in the equation, the same constants can be used for either SI or ..., Under (Atmospheric) Pressure - The pressure of the atmosphere is immense, and it grows as you get closer to the planet's surface. Learn about pressure and how it affects weather. A..., The recommended pressure for a home refrigerator using R134A refrigerant is between 2 psig and 150 psig. Readings that are higher or lower indicate an overcharged system. Although ..., R-32 has only one-third of the GWP than R-410A, uses 20% less refrigerant, is easier to recycle, and is more efficient. These qualities make it an even more environmentally-friendly alternative for keeping your home comfortably cool. This refrigerant’s GWP is only 675, compared to R-22’s 1,810 GWP and R-410A’s 2,088 …, r-410a pressure temperature chart psig f° psig f° psig f° psig f° psig f° psig f° 12 -37.7 114 37.8 216 74.3 318 100.2 420 120.7 522 137.6 14 -34.7 116 38.7 218 74.9 320 100.7 422 121 524 137.9 16 -32.0 118 39.5 220 75.5 322 101.1 424 121.4 526 138.3, R-410A Pressure-temperature chart Click anywhere on this document to return to Refrigerant Gas Properties information at InspectApedia.com This chart was provided by the Bonneville Power Authority,, psig °f psig °f psig °f psig °f psig °f 12; –37.7. 114 , TEMPERATURE - PRESSURE CHART FOR R-22, R-410A, R-407C, R-134A & R-404A REFRIGERANTS FYI #289 9/17/2009. updated 10/10/2012. Data points are reproduced based on available information. Advantage assumes no responsibility or liabililty for data errors. ADVANTAGE Engineering, Inc. 525 East Stop 18 Road Greenwood, IN 46142 …, Freon™ Pressure/Temperature Chart App. The P/T Calculator provides technicians with refrigerant data on the go. Learn More. Sales & Support. Where to Buy; ... Freon™ 410A (R-410A) Refrigerant; Freon™ MO29 (R-422D) Refrigerant; Freon™ MO59 (R-417A) Refrigerant; Freon™ 123 (R-123) Refrigerant;, The PT Chart typically lists the pressure on the left, and the corresponding refrigerant boiling point on the right. Refrigerant at these conditions is referred to as saturated. Saturated refrigerant can be 100% vapor, or a mixture of liquid and vapor, or 100% liquid. At temperatures above saturation, the refrigerant becomes super-heated vapor., The HFC R-32 refrigerant is quickly becoming popular, more so then it already was. Most of you know R-32 as a necessary component in the widely popular HFC blend known as R-410A Puron. R-32 along with R-125 gets you that R-410A that is found in nearly every air conditioner today. However, in recent years there has been a push to slowly phase ..., Sep 11, 2021 ... Low Outdoor Temp, "CHECK THE REFRIGERANT CHARGE" in the Cold! · 63K views ; Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temps,..., Myth No. 1 The higher pressure of R-410A makes it less safe than R-22. Although the pressure of this refrigerant is about 60 percent higher than R-22, the systems, components, service tools, and refrigerant cylinders (both new and recovery) are all designed to safely handle this pressure with a safety margin similar to that for other …, Forane 410A Pressure Temperature Chart Forane 410A, R-410A, Pressure Temperature Chart, PT Chart, HVAC, refrigeration, air conditioning, refrigerant gas, Both the R454B and R410A are safe to use. They are both non-toxic and stable inside any refrigeration system. Also, when handled by an expert, you can expect both to be safe to use. However, R454B seems to be mildly flammable if exposed to atmospheric pressure. It has a A2L ASHRAE classification., In this HVAC Training Video, I show the R-22 and R-410A Range of Operating Pressures on Air Conditioning Systems! I show why we Measure Pressures and Tempera..., system charge chart - refrigerant 410a pressure at suction service port (psig) connect pressure gauges to suction and liquid ports on unit. measure air temperature to outdoor coil. place an "x" on the appropriate chart where the suction and liquid pressures cross. if "x" is below ambient temperature line, add charge and repeat step 3., Forane 410A Pressure Temperature Chart Forane 410A, R-410A, Pressure Temperature Chart, PT Chart, HVAC, refrigeration, air conditioning, refrigerant gas, OPERATING PRESSURE POINTS “Systems using R-410A operate at higher pressures [than R-22],” points out the Field Diagnostics team. “For example, to produce an evaporating temperature of 40 degrees F and a condensing temperature of 115 degrees, the suction and head pressures would be 83 psia and 257 psia in an R-22 …, Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22. These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. R-22 refrigerant is the king and used widely in the residential and commercial markets followed by R-134A which is used in ..., R-410A is actually more efficient at absorbing heat then R-22. What that means is that your air conditioner won’t work as hard and your home will stay cooler all the while saving on your power bills. 410A …, 4 Using Table 2, select the column which is closest to the measured vapor pressure. 5 Scroll down the column to find your calculated superheat. 6 Read the required vapor line temperature at the intersection. (°F) If the measured vapor line temperature does not agree with the required vapor line. 7 temperature, add refrigerant to lower ...