R134a Pressure Chart

: H-39916-1. Easy step by step do it yourself procedure to perform you car ac check from home Automotive AC Pressure Chart for Air Conditioning Systems with R134a: FOR AUTO AIR CONDITIONING R134a SYSTEMS: At IDLE - Condenser inlet temp 170 to 180, Condenser Outlet temp 135 to 150 (usually a. Opteon™ XP10 (R-513A) refrigerant is a non-ozone depleting potential (ODP), low global warming potential (GWP) hydrofluoroolefin (HFO) based replacement for R-134a. eg; system tag calls for 40oz of R-134a, use 16oz DURACOOL 12a®. 134a, 32, 125, 152a and 143a with mineral oil, alkylbenzene, polyalkylene glycol and polyolester lubricants. 5 times outside air temperature in degrees F. Summer is the most unpleasant season in many parts of. Saturated line: on line c alculation: on temperature on pressure | references on Mathcad 15 f unctions: R134aPST(T) R134a T S P (p) R134aDSLT(T) R134aDSVT(T) R134aHSLT(T) R134aHSVT(T) R134aSSLT(T) R134aSSVT(T) R134aCpSLT(T) R134aCpSVT(T) R134aCvSLT(T) R134aCvSVT(T) R134aDYNVISSLT(T) R134aDYNVISSVT(T) R134aPrSLT(T) R134aPrSVT(T) R134aSURFTENST(T. At 85 degrees Fahrenheit, R134A shows a pressure of around 90 pounds per square inch. R-134a ideally should have between 25 and 45 psi. Ø95+% reduction in direct refrigerant emissions vs. An azeotropic refrigerant acts as a uniform substance with no temperature glide for a constant pressure evaporation or condensation process. April 2020. The refrigerant is R-134a. Our wide range of condensing units are backed by 85 years of commercial refrigeration expertise. Now, heat is transferred to refrigerant-134a. 9 Genetron 422D 422D Blend HFC MO 82. A refrigerator uses refrigerant-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. 75-33 -36 5. 11 R134a 460 ±30 ZXL100PG PAG46 150 166 (936) 09. Com 5542 Hickorywood Dr. Not sure about this, don't have time to research. Honeywell recommends using Genetron Performax ® LT or one of the Solstice ® range products. Actual pressure will depend on the type refrigerant and the ambient temperature and does not show if the system is properly charged. R134a has a high GWP (global warming potential) of 1430. PRESSURE TEMPERATURE CHART ) ts-& -) pa 7 pa (-29) (-22 (-13 (-3) 13 18 30 43 57 72 89 106 125 145 167 190 214 240 268 298 329 362 397 434 474 515 559 605 653 704 758 816 873 937 1000 1070 1140 1215 1290 1375 1460 1540 1630 1730 1830 1930 2040 2155 2270 2510 psig (. Download Pressure Temp Chart (PDF) Download Pressure Enthalpy Chart (PDF) Download Safety Data Sheet (PDF) R134a HFC refrigerant widely used for medium temperature and auto A/C applications. R134a effectively works in screw chillers where short pipe lengths minimize costs associated with larger tubing. 94: 700: 100: NISSAN : 300 ZX (Z32). R-134a System Pressure Chart | AC Pro. Hi all, I got a problem with my 2000 OBW A/C. The refrigerator is having issues. Hg • Refrigerants are substances that boil at low pressures and temperatures and condense at high pressures/temperatures. 6 Genetron 404A 404A Blend HFC POE 75. A typical R-22 system operating normally with a. 2, displays all the pertinent properties for a given refrigerant (in this example R22). The system should be recovered, vacuumed (min 20 minutes) and charged. 7kPa (corresponding to temperatures in the range 265. The FSM says at 86-95 degrees the low side should be between 22 and 36psi. Midly flammable replacement for R-134a (non-flammable replacement for R-134a (non-flammable for handling and storage) R-134a alternative medium temperature applications like water-cooled chillers (supermarkets and commercial buildings), heat pumps, fridges, vending machines, beverage dispenses, air dryers, CO2 cascade supermarket systems, etc. We refrigeration pressure temperature chart superheat. 2 R22 Temperature Pressure Chart Template free download. The refrigerant enters the evaporator at 120 kPa with a quality of 30 percent and leaves the compressor at 60°C. It has been proposed as a replacement for R-134a as a refrigerant in automobile air conditioners. ictworkshopsolutions. Freon™ 134a is the standard in many mobile air conditioning (AC) units, and also replaces R-12 in: Commercial stationary refrigeration systems. If the compressor ain't spinning, static pressure, doesn't tell you a thing about charge, can be either just 2 ounces or 50 ounces in the system, pressure would read the same. Table A-12 Saturated refrigerant-134a— Pressure table Table A-13 Superheated refrigerant-134a Figure A-14 P-h diagram for refrigerant-134a Figure A-15 Nelson-Obert generalized compressibility chart Table A-16 Properties of the atmosphere at high altitude Table A-17 Ideal-gas properties of air Table A-18 Ideal-gas properties of. PRESSURE TEMPERATURE CHART ) ts-& -) pa 7 pa (-29) (-22 (-13 (-3) 13 18 30 43 57 72 89 106 125 145 167 190 214 240 268 298 329 362 397 434 474 515 559 605 653 704 758 816 873 937 1000 1070 1140 1215 1290 1375 1460 1540 1630 1730 1830 1930 2040 2155 2270 2510 psig (. PRESSURE (PSIG)* PRESSURE (PSIG)* Sat Temp (°F) R-22 R-32 R-123 R-134a R-401A Liquid Pressure R-401A Vapor Pressure R-401B Liquid Pressure R-401B Vapor Pressure. 21 gram per (cubic centimeter) or 0. But to answer your original question - yes you can add R134A using one of the kits available and, as long as there is pressure in your system, you do not need to evacuate it. TEMPATURE AND PRESSURE RELATIONSHIP • Water boils at 212°F at atmospheric pressure (29. 850 grams) and have fluor added too (allows easy checking for leaks using special lamps and glasses). Belongs to the Following Reactive Group(s). CHECKING A/C SYSTEM PRESSURE CHARGING/ADDING REFRIGERANT AMBIENT TEMPERATURE PRESSURE GAUGE CHART* CAUTION: Always wear protective gloves and eye wear. Recharging car air conditioning did it myself rv air conditioning service r 134a system pressure chart ac pro air conditioning pressure question for those that have working ac ac high and low pressures at elevated ambient temps ih8mud forum recharging car air conditioning did it myself. Jeep refrigerant and oil capacity charts. Can someone explain why low side/high side gauge pressure charts vary so much? For example I see charts that. icorinternational. The aftermarket states that you should be adjusted back 3 to 4 PSI with R-134a in order to achieve the same temperature. High pressures in your system could be due to it being overfilled. Older cars will loose refrigerant over time and require a “recharge” at some point. The blue line on the left of the bubble represents the 100% saturated liquid line,. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). I also don't expect to see those kinds of operational pressures unless the ambient temp is 100+. All ASC service units are state of the art and fully automatic. Sep 5, 2018 - A/C PRO is the easy DIY car A/C repair that saves time & money. 234 psig head / 60 psig suction. Additionally, HVAC Systems such as chilled water systems in both commercial markets and industrial markets. What is a Condensing Unit? A condensing unit typically is a high side assembly of a refrigeration system. CHECKING A/C SYSTEM PRESSURE CHARGING/ADDING REFRIGERANT AMBIENT TEMPERATURE PRESSURE GAUGE CHART* CAUTION: Always wear protective gloves and eye wear. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. In the case of R134a in a low temp unit (refrigerator), yes it runs at less than zero pressure, just slightly less. For a zeotropic refrigerant, a temperature glide. R134a Refrigerant – Properties. 2008 R134a. Furthermore, R134A is a chemical refrigerant in automotive and domestic use air conditioners. 1b: Carnot refrigeration cycle on T-s diagram w1-2 w3-4. 1% higher than R134a at the same pressure level that means a specific cooling capacity higher for R152a. In some applications the HPRV is located on the filter/drier. If the lines are full enough, the pressure will remain around 40-45 psi while it's. To preform this procedure, reduce the system pressure to between 1000 and 2500 microns. 6 times) greater than R-22. Figure A10 Mollier diagram. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 pounds of refrigerant. Thermodynamic properties of R32 + R134a and R125 + R32 mixtures in and beyond the critical region* S. Weight Equivalent Chart. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). Any questions please. I’ve read manuals that stated a 45 degree temperature drop is normal and acceptable; however, I don’t buy that at all. If you can find an A/C tech who has it, the R-420a or possibly the R-414b would be a better substitute than R-134a without requiring all the changes that are necessary with the conversion to R-134a. tecquipment. These tables are based on experimental data from the database at the National Institute of Standards and Technology (NIST). mollier diagram r134a pdf 1 R134a as an alternative to R12. Genetron® 407C Suva® 407C Honeywell Dupont R-134a Forane® 134a Arkema R-12 HFC Single component fluid R-134a -100% POE PAG (auto) Replacement/retrofit for R-12 and R-500 systems. NU-22 - 120° condensing / 40° evaporator approx. co2_mollier_chart_met. Figure 1G applies to HFC-134a, the subject of this text. Ford Light Truck refrigerant and oil capacity charts. During the winter (Dec, Jan, Feb) temperatures were about 20°C (68°F) and I was not driving a car heavily - mostly in evenings and AC seemed to be working fine. This usually takes three to five minutes. Download the free Pressure Chart poster here: https://bit. R134A Pressure-Temperature Chart-49-45: 1-17. The formula is this: R-12 amount x 90% – 1/4 lb. If the pressure is zero, that is atmospheric pressure and means the system has a big leak. I called the company and asked what. 05 R134a 700 ±25 SP-10 PAG46 135 166 (936) 07. Equations displayed for easy reference. icorinternational. R-134a System Pressure Chart. Scroll down to find download buttons for pressure enthalpy charts in either Metric or Imperial Units. 56 3,495 349,537 349. PRESSURE (bar)-40-40. 1,1,1,2-Tetrafluoroethane, R-134a; Genetron 134a; Suva 134a; HFC-134a; is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. R134 only Then put the R134a Service Sticker on, secure all the loose wiring on the system and you are done. Below 1 ATM. Whether R134a performs as well as R12 in any given a/c system depends upon system components and the. When the compressor kicks on (which it will only do when the pressure is above 40 psi) the pressure will drop. If the actual refrigerant temperature is 105°F, the liquid is sub-cooled 5. April 2020. For vehicles without HPCO switches, install a switch and wiring overlay in the system on the high pressure R-134a adaptor switch tee as specified in the Adaptation Component Chart. For a low pressure gauge, a reading of 25 pounds per square inch (psi)to 40 psi is optimum. Using the drop down menus below simply select Refrigerant or Temperature to find the information you need. Download free printable R22 Temperature Pressure Chart Template samples in PDF, Word and Excel formats. 0084: 1,548: 1,000 A1: 45,000: 190. The R134a conversion seems to work better than both the R12 and R134a factory systems. Chiller systems and home appliances. HFC-134a ØUp to 10% reduction in indirect emissions vs. Compressor however is not cycling on and off unless it reaches the desired temp. Need some help? Ask the pro Call us toll free: 888-318-5454 "Worked Like a Champ!" Used this to fill a new A-C system. 23 K) Critical Pressure 588. The European Commission has a proposal to prohibit refrigerants with GWP > 2500 for servicing and maintaining commercial refrigeration equipment. For instance at 25 °F the pressure of R-12 is 24. The analyzer (models vary) displays R-134a if the purity is better than 98 percent by weight. • disabling your adblocker on The Engineering. Ford Light Truck refrigerant and oil capacity charts. This can be helpful in A/C diagnosis. R-134a Properties - Imperial Units. High side operating pressure could be as high as 2500 PSI. This PH chart, Figure 8, can now be used for comparison to what will actually be found when pressure and temperature readings are taken and plotted on the chart. DO NOT add R-134a to a system that has not. EPA Evacuation Level Chart Class I & II ODS Refrigerants: HFCs go to "0" Psig Type of Appliance Recovery Units Manufactured Date Before Nov. Static pressure will not be used to determine if a system is fully charged. *Red Italics Indicate Inches of Mercury Below Atmospheric Pressure Refrigerant Guys PT – Chart R134a Refrigerant Gases. If the plate ices up erratically, working some of the time make sure you are 100% certain that the compressor is always running and you don’t have a power supply issue (normally voltage drop when the batteries are. Genetron 134a 134a Single Component HFC POE 84. A Refrigerant Temperature Pressure Reference Chart Shows Pressures at Various Temperatures for R22, R134A, R407C, R404A, R410A, R507A. We have an ice maker that uses 134A gas. Cools just fine but the high side is running around 400-450. 09- 360 30 PAG46 See manual. 40 degrees F is what you’re shooting for. The system should have no problem sucking in 80 percent of that in R134a (28 oz. This usually takes three to five minutes. 6 MPa) Superheated Vapor Properties - (1. CO2 would require significant on- vehicle safety systems to handle an accidental venting of the gas inside the passenger compartment. agent frigorific, R134a tabel. For our example, we find the following: P1 = 15 psig. ” Specification Sheet. Our goal is to improve the safety, efficiency, and productivity of industrial refrigeration systems and technologies. I had to fix a leak and thus started with an empty system. Don't know what pressure is, I don't have a p. ) Best results are obtained when the pipe is free of oxides or other foreign material. It's running about an 80% duty cycle to maintain 36f. Also, the lack of cooling could be due to a clog somewhere in your system which could also account for the pressures being incorrect. With over 1,000,000 downloads and an average 4. Technicians with R-22 experience will need to become familiar with working with high and low side pressures that are much higher when using R-410A. since then, the industry standard has been R134a, which is an efficient replacement. 56 3,495 349,537 349. If the detected gas contains a hydrocarbon (flammable material), the unit sounds an alarm and displays HC. (Isobutane is freely soluble in the motor oil!). Flexible Holster — Protects your manifold during use and storage. Providing Solutions to Business Management problems and Technical problems with a concentration on Thermodynamic and Fluid Flow Disciplines. ) Best results are obtained when the pipe is free of oxides or other foreign material. On the cycle page, you will see a schematic of the cycle with the main points labeled. • R-12 refrigerant and R-134a refrigerant must never be mixed, even in the smallest amounts, as they are incompatible with each other. mollier diagram r134a pdf 1 R134a as an alternative to R12. Here are single species physical properties calculator choices that include all three (3) i nput v alues options (TP, HP and SP):. Check the pressure gauge. Clearly marked for R-134a. oil selection chart will void warranty. 9 Freon-12 (Dichloro-difluoromethane) CCI2F2 2. Neutronics Mini ID™ R-134a Refrigerant Identifier is a low cost R-134a identification option. Opteon™ XP10 offers an excellent capacity and efficiency match for R-134a in new and retrofitted systems, and an optimal balance of properties, including high performance. Now look at the CERN table for R600a at 50 Fahrenheit (10C°) --> 17. Figure A10 Mollier diagram. agent frigorific, R134a tabel. Its just like how you measure air pressure in your tire. FrostyCool 134a: HFC 134a : CFC 12 : 1 oz: 2. Isolate the vacuum pump with the core tools and disconnect the vacuum hose from the low side of the system. We have an ice maker that uses 134A gas. Assume a 5-psi pressure drop from the evaporator outlet to the compressor in an R-134a system. Operating Manual. Download free printable R22 Temperature Pressure Chart Template samples in PDF, Word and Excel formats. 05-29 -34 5. 10 Pressure (PSIG) Gauge (top row is temperature in deg F, negative numbers IN RED are inches of vacuum). Refrigerator 134a pressure chart refrigerant pressure temperature chart zeror z134 vehicle ac refrigerant how to recharge your car s ac in 8 easy renn porsche discussion forums Convert Auto R12 System To R134a Ricks Repair AdviceRefrigerant Capacity ChartR12 To R134a Conversion On Old Beverage Air Refrigerator TechtownFreon Conversion Chart Images E993Freon Conversion Chart Images E993Convert…. TEMPATURE AND PRESSURE RELATIONSHIP • Water boils at 212°F at atmospheric pressure (29. To replace R-134a with DURACOOL 12a® you must remove all the existing R-134a. 2 Genetron HP80 402A Blend HCFC AB 82. The SNAP listings for all MAC refrigerants are subject to the use condition of unique fittings for each refrigerant. 134A Pressure Chart Differences 06-29-2019, 11:11 AM. r 134a refrigerant pressure temperature chart hvac r 134a refrigerant pressure temperature chart r 134a is an inert gas also known as tetrafluoroethane and is used in air conditioner systems r134a is used as a chemical refrigerant in automotive and domestic use air conditioners such as chilled water systems in both mercial markets and. Mollier Diagram Pro is an easy to use mollier diagram with which you can make calculations of air treatment processes. The unit is cooling moderately well. com MERCEDES Model Specific Model/Type Date of Manufacture Information R134a (grams) +/-grams ISO +/-10ml E-lass (S210/W210) 06. Replace the HPRV (High Pressure Relief Valve) with the specified R-134a part listed in the Adaptation Component Chart. Pound for pound R134a is a more efficient refrigerant than R12, however it runs at higher pressures in some aspects and therefore requires more effective condensing. Refer back to Figure 4. A properly charged 134a system will likely show bubbles in the sight-glass. the entire range of temperature, pressure, and density. Close the port every minute to check the pressure. KLEA® 134a pressure-enthalpy diagram. I would use the 134A. 1,1,1,2-Tetrafluoroethane, R-134a; Genetron 134a; Suva 134a; HFC-134a; is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. Measurements. R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas). Cylinder (36 lb. 7 ure (ig)-25 75 125 175 225 275 325 25 ts 0-ec. 30 psi and high side of 225. Low side pressures affect inside temp. Show All R22 R134a R507 R410A R404A Bubble R404A Dew R407C Bubble R407C Dew. PRESSURE TEMPERATURE CHART ) ts-& -) pa 7 pa (-29) (-22 (-13 (-3) 13 18 30 43 57 72 89 106 125 145 167 190 214 240 268 298 329 362 397 434 474 515 559 605 653 704 758 816 873 937 1000 1070 1140 1215 1290 1375 1460 1540 1630 1730 1830 1930 2040 2155 2270 2510 psig (. Please feel free to. The recommended pressure for a home refrigerator using R134A refrigerant is between 2 psig and 150 psig. 5 14002951 R134a 26 Acura Integra 1994 2001 All Eng PAG46. Make your job easier with our handy refrigerant pressure temperature HVAC app with R-407C included. Discover over 689 of our best selection of R134a Hose Adapter on AliExpress. Can (18 oz. Genetron® 407C Suva® 407C Honeywell Dupont R-134a Forane® 134a Arkema R-12 HFC Single component fluid R-134a -100% POE PAG (auto) Replacement/retrofit for R-12 and R-500 systems. R-134A / R-1234YF MAGNETIC Pressure Temperature Chart 8"x5. 015 bar bar upper limit: 100 C, 39 bar. R-134a is sold over the counter in auto parts stores. Genetron 134a 134a Single Component HFC POE 84. Freon™ 134a is the standard in many mobile air conditioning (AC) units, and also replaces R-12 in: Commercial stationary refrigeration systems. (4/05) RWJ291 Printed in U. Again, any additional temperature (above 40°F) is superheat. 9906: 0: 2,967: 1,000 A2: 70,000: 310: 109. 525 East Stop 18 Road Greenwood, IN 46142 317-887-0729 fax: 317-881-1277 web site: www. Winado A/C Manifold Gauge, R134 R134A R12 R22 Gauge Reading Auto Service Kit, HVAC Charging Diagnosis Tool,5ft Hose, for Air. Hi All, Does anyone know the the system refrigerant capacity or pressure for the air conditioning unit on a 1993 Legacy LS? Im converting to Enviro-Safe and need to recharge the system (its been completely discharged at an approved facility - $25, no wonder folks are tempted to vent it into the a. (F) Saturated suction pressure = 24. 5 Freon-13 (Chloro-trifluoromethane) CCIF3 3. These devices typically detect R12, R134a, R22, air and hydrocarbons. Cold Hose is an automotive air conditioning fitting and hose website. R134a Pressure Gauge Chart  This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. NU-22 - 120° condensing / 40° evaporator approx. Cold hose has weld on barbs, compressor adapters, and much more on the specialty fittings page. Forane® Refrigerant Pressure Temperature Chart Red Numerals (in bold and italics)- Inches Hg. HOW TO CHECK SUPERHEAT Example: Refrigerant 134a Suction Temperature 38°F (3. Here is a link to a page with a chart. Not sure about this, don't have time to research. Similarly, at the highest temperature, 60−20 = 40 degrees Fahrenheit, the coil should run at 57 psi. operational pressures. " This is more accurate for R12 refrigerant, while R134a refrigerant tends to be a fair bit higher. The important things to keep in mind while charging the AC system, are the use of safety goggles, gloves, using the correct refrigerant (R134A), and upon completion, confirming the correct pressure in the system line. R-134a Properties - Imperial Units. That being said, there are still millions of cars on the road that […]. R134a Refrigerant Capacity Guide Ariazone When people should go to the book stores, search launch by shop, shelf by shelf, it is. Discover over 689 of our best selection of R134a Hose Adapter on AliExpress. PRESSURE (psig) °C °F. NU-22 - 120° condensing / 40° evaporator approx. xls Created Date: 8/26/2002 9:27:19 AM. R-13, R-503 0 0* High-pressure appliance or isolated component of such. Again, any additional temperature (above 40°F) is superheat. 6 MPa) Superheated Vapor Properties - (1. These devices typically detect R12, R134a, R22, air and hydrocarbons. Purdue University Purdue e-Pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2010 Refrigerant R1234yf Performance Comparison. Below 1 ATM. 15 given in unit 3, For R-134a, at T = 100 ∘ F ⇒ P = 124. If the system indicates moisture, a multiple evacuation with a nitrogen sweep will significantly reduce the amount of moisture in the system. Pressure - psig1 1. R-134a Properties - Imperial Units. 4 79 11 157 23 245 35 170 25 312 45 264 38. R134a Refrigerant – Properties. For a low pressure gauge, a reading of 25 pounds per square inch (psi)to 40 psi is optimum. They found that for the choked flow condition, the mass flow rate was a strong function of inlet pressure, inlet subcooling, and diameter, but relatively weak function of length. The effect of suction-line heat exchangers was investigated for a dual-cycle system using refrigerant R-134a in both cycles. Refer back to Figure 4. Mollier Chart in Metric Units (PDF file) (62 KB. R134a is so much smaller than r12 that it will leak right through the older hoses used for r12. About 59% of these are Hydrocarbon & Derivatives, 1% are Other Chemicals. Home / Products / Genetron ® 404A (R-404A) This product has GWP of 3922. No license is needed to purchase or use refrigerant R134a. Hello all- Back on this big old boat with another fridge type question. I would use the 134A. Surprised it kicked on at all. The following system checklist shows a system with an overcharge of refrigerant (values in degrees F except where otherwise indicated). Technicians with R-22 experience will need to become familiar with working with high and low side pressures that are much higher when using R-410A. Here is a link to a page with a chart. There's no place for additives in the refrigerant circuit, the only thing that should be in the lines are Refrigerant and Refrigerant oil, nothing else. In the case of R134a in a low temp unit (refrigerator), yes it runs at less than zero pressure, just slightly less. Refrigerant Pressure Temperature Chart | HVAC Refrigeration - This page offers a temperature pressure relationship chart for use in working with HVAC Systems that use R-410A, R-22, and R-134A. 7 MPa) Superheated Vapor Properties - (0. Example if it's 90 degrees F, high side should be no higher than 225PSI Here is a useful trouble shooting chart for systems currently running on freon R-134a Trouble shooting Low Compressor Discharge Pressure 1. -The middle: Low-pressure regulator 200PSI-Material: Plastic, Metal-Bottle Opener Thread :1/2"-Weight: 0. 3 out of 5 by 166. Measurements. r22 r134a r407c r404a r410a r507c sp22 r32 kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig-30 63 9. An automotive air conditioner has a high and low side, divided by a metering device and the A/C compressor. Actual pressure will depend on the type refrigerant and the ambient temperature and does not show if the system is properly charged. In this case, a two stage cycle. It also comes in 3, 5, 7½, 13, and 16-ounce cans, so if you want to get creative, you can obtain just about any charge you want by buying various combinations. 450 grams (17 oz) of r134a later I found my AC to be nice and cool Then I heard some moaning from my engine bay (for lack of a better word). It just tells you the increase in pressure on the low side that is also dependent on ambient temperature. I googled it already for more than 5 hours but can not find what i'm looking for, all i can find are app's or add-in's that doesn't work. We refrigeration pressure temperature chart superheat. R-410A, sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Freon 410A, Genetron R410A, Puron, and Suva 410A, is a zeotropic but near-azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125) that is used as a refrigerant in air conditioning applications. Pressure Temperature Chart Like other refrigerants, the pressure of R134A corresponds to its temperature. As an HCFC, this product is being phased out globally. Mollier Charts Mollier charts are used in designing and analyzing performance of vapour compression refrigeration systems. It is also a common component in many HFC refrigerant blends and is used. 2 PSIG (118kPa) and the REFSPECS table for 50F (10C°) --> 80 PSIG (552kPa). Each refrigerant has it's own chart which is a graph of the Enthalpy of a refrigerant during various pressures and physical states. Title: mollier_chart_met. Temperature vs Pressure. Explanation of Solution Using the pressure/temperature chart shown in figure 3. A pressure drop through the distributor assembly on R-134a may be in the vicinity of 25 psi (1. Pressure Enthalpy Diagram R134a Excel Posted on March 25, 2019 by admin Pressure enthalpy diagram for a butane based subcritical rankine cycle with and without regeneration tutorial pressure enthalpy diagrams ms excel spreadsheet add in for thermodynamic properties and process simulation of r152a diagramme de mollier excel frais. I put 1 + 1/2 12oz cans in so ~20oz (it wouldn't take the 2nd can full at all even after 20mins 2000rpm and putting the can in hot water) Ambient Temperature: 104F. These two constituents have similar boiling points. R134a is NOT less efficient than R12 - Actually R134a is more efficient. R134a Pressure Gauge Chart  This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. Order R-134a for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Here's one. 66-29 -34 20. Install R134a charge port adapters. They found that for the choked flow condition, the mass flow rate was a strong function of inlet pressure, inlet subcooling, and diameter, but relatively weak function of length. HFC-134a Pressure-Enthalpy Diagram (SI Units). Called a repair dude, he came in says its either leaking or plugged, he installed a piercing valve on the low side and topped it off and overcharged for good measure. saturation pressure corresponding to the upstream temperature. Leak in system 2. HFC-134a Pressure-Enthalpy Diagram (SI Units). R134a is NOT less efficient than R12 - Actually R134a is more efficient. Honeywell offers a colorful display in which users can select a refrigerant and get all of the data they need to perform their tasks in the field. Mollier charts are also called Pressure-Enthalpy diagrams. R744 is the chemical reference for carbon dioxide (CO 2) used as refrigerant. For the normal running pressure in an R134A system, the coil should run at 22 pounds per square inch at the lowest temperature, 45−20 = 25 degrees Fahrenheit. You are making a mistake by saying "charging to 40 degrees. Connecting to the Frigomatic system. Created Date: 7/26/2019 4:47:48 PM. Using the drop down menus below simply select Refrigerant or Temperature to find the information you need. HONDA : ACCORD : 02. 10 Pressure (PSIG) Gauge (top row is temperature in deg F, negative numbers IN RED are inches of vacuum). 9 Genetron Refrigerants Pressure Temperature Chart 407C 408A 404A HP81 AZ-50 HP80 AZ-20. xls Created Date: 8/26/2002 9:27:19 AM. 0 Chemical Structure Uses HFC-134a can be used in. Forane 407C Pressure Temperature Chart Author: Arkema Inc. Chiller systems and home appliances. Readings that are higher or lower indicate an overcharged system. 15, 1993 (Grandfathered Unit) After Nov. Add correct oil and refrigerant according to the charge chart. Title: R134a col. LOW lemp Herrig. Note (b) Oil Type Oil Capacity (oz) Oil Part# Refrigerant Type Refrigerant Capacity (oz) Acura CL 2001 2003 All Eng PAG46 5. 015 bar bar upper limit: 100 C, 39 bar. The lines are the pressure gradient predicted by the correlation of Yonemoto and Koyama (2007). R12 To R134A Conversion Chart – R12 To R134 Conversion Chart inside 134A Pressure Chart. Ø95+% reduction in direct refrigerant emissions vs. Hi All, Does anyone know the the system refrigerant capacity or pressure for the air conditioning unit on a 1993 Legacy LS? Im converting to Enviro-Safe and need to recharge the system (its been completely discharged at an approved facility - $25, no wonder folks are tempted to vent it into the a. R134a Pressure Temperature Chart free download and preview, download free printable template samples in PDF, Word and Excel formats. The pressure will drop. 85 Psia (G) Saturated evaporative pressure = 24. PT charts are most often used for three purposes: to set a coil pressure so that the refrigerant produces the desired temperature, to check the amount of superheat above the saturated vapor condition at the outlet of the evaporator and to check the amount of subcooling below the saturated liquid condition at the end of the condenser. R-409a is another possibility. The sealant will slow or stop the early leaking & the R134a should last longer. This A/C Manifold Gauge Set can be used to test, evacuate and fill automotive air conditioning systems. High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 pounds of refrigerant. Another thing to note is that Vintage Air states that the low pressure side should read 6-18 psi. Install R134a charge port adapters. R134a pt chart psi tart tscoreks lied sciences full text investigation of the thermodynamic cycle ysis of mobile air conditioning second law ysis of an automotive air conditioning system ac pressure readings for r1234yf dodge ram forumR1234yf Pressure Temperature Chart Best Picture OfR 1234yf RefrigerantAc Performance Chart Tart TscoreksUnknown Surprising R152a IntarconP H Diagram Of …. From a pressure/temperature chart, we see that 31. A/C System Pressure Troubleshooting. SUBJECT: TEMPERATURE - PRESSURE CHART FOR FYI #289 9/17/2009 R-22, R-410A, R-407C, R-134A & R-404A REFRIGERANTS ADVANTAGE Engineering, Inc. R-134a is the most common refrigerant found in automobiles today. ictworkshopsolutions. NOTE! Refrigerant and oil capacity guides are based on data provided by sources such as AllData and Mitchell. Sep 5, 2018 - A/C PRO is the easy DIY car A/C repair that saves time & money. co2_mollier_chart_met. Volume Internal energy Enthalpy Entropy MPa deg-C m^3/kg kJ/kg kJ/kg kJ/kg*K Press. If you have a Walmart or auto part stores. I assume I have a leak. It is intended to be used for advanced technical applications. There is only approximately 15psi (pressure) in the can. Online calculator with Superheated Steam Table. 06 °C) Critical Temperature 213. * Normal readings on high and low side with AC OFF (static pressure) – Depends on outside temperature, but normally is between 80-105 PSI * Normal low side reading with AC on high-speed and MAX & engine at 800-1000 RPM’s – Ranges from 25-35 PSI – Note that on. RED TEK® 12a Hydrocarbon Refrigerant Replaces R 12, R 134a: 301: 12a 6 oz. R32/R125/R134a. Remove the jumper from the low pressure switch harness and plug it back on the switch connectors. Ac R22 Pressure Chart Photograph of a commercial air conditioning compressor charging chart measuring the refrigerant pressure pressure temperature chart 134a admirably auto ac to pin on pinterest of r22 pressure chart for lennox heat pump non txv charging guide pt chart 101 top result air conditioner pressure chart r22 luxury designs template. \爀䤀猀 愀 挀愀瀀椀氀氀愀爀礀 琀甀戀攀 愀 爀攀最甀氀愀琀椀渀最 攀砀瀀愀渀猀椀漀渀 搀攀瘀椀挀攀. Critical Pressure: 671. A manifold gauge set measures refrigerant pressures inside of an air conditioning system. Typical Lubricant. 016°F) to 71. There's no place for additives in the refrigerant circuit, the only thing that should be in the lines are Refrigerant and Refrigerant oil, nothing else. There are a few shops that still have some r12 and the machine, that's probably the cheapest route unless there are other problems like leaks, etc. High-pressure appliance, or isolated component of such. Created Date: 12/8/2010 1:32:38 PM. co2_mollier_chart_met. Properties of the atmosphere at high. R134a Pressure Gauge Chart  This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. If you can find an A/C tech who has it, the R-420a or possibly the R-414b would be a better substitute than R-134a without requiring all the changes that are necessary with the conversion to R-134a. R404A Pressure Temperature Chart 14 9. 15, 1993 (ARI/UL Unit) Very high-pressure appliance. See a complete HFC R-134A pressure/temperature chart at HFC R-134A PRESSURE TEMPERATURE CHART - source cited below. 6038 FJC Inc. It has been in use since the early 1990's and now, in 2019, we are beginning to see it's popularity wane with the rise of the new HFO refrigerant known as R-1234yf. Hello all- Back on this big old boat with another fridge type question. then the pressure will build above 25 and the compressor will engage again, this is short cycling(no/off) on the low pressure sensor and is a good indicator of a low charge of refigerant(R-134a). > Pressure switches > AC spare parts ALFA ROMEO 147 (937) 01. Sep 5, 2018 - A/C PRO is the easy DIY car A/C repair that saves time & money. Viscosity, solubility (vapor pressure) and density data are reported for thirty-five. 1 – Charging hose for R12 with valve stem depressor. mollier_chart_metric. Excessive suction pressure beyond the limits of the compressors ability to start and run. Example R-134A Refrigerant Temperature vs Pressure Data: Ambient Temperature in °F 1: R134A Vapor Pressure at Sea Level: R-134A Low Side Pressure 2: R-134A High Side Pressure 3: 65. Belongs to the Following Reactive Group(s). Have a qualified mechanic check it out. Kiselev and M. I was also told it is not possible to charge from the High Pressure side with a retail 500ml, 750ml or 1L aerosol can of R134A. r22 r134a r407c r404a r410a r507c sp22 r32 kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig-30 63 9. Find a P-T chart. With environmental emphasis now changing, we’re at the forefront of another refrigerant transition. •Viscosity :- It should have low viscosity. Easy step by step do it yourself procedure to perform you car ac check from home Automotive AC Pressure Chart for Air Conditioning Systems with R134a: FOR AUTO AIR CONDITIONING R134a SYSTEMS: At IDLE - Condenser inlet temp 170 to 180, Condenser Outlet temp 135 to 150 (usually a. R-134a cans are under pressure. A typical R-22 system operating normally with a. I would like to find out the normal operating range of pressure (high and low side) on a fully charged R-22 (york) home air conditioning system; also, the unit is a 4 ton unit, what is the total freon capacity in the system. Subject: Forane 407C Pressure Temperature Chart Keywords: Forane 407C, R-407C, Pressure Temperature Chart, PT Chart, HVAC, refrigeration, air conditioning, refrigerant gas Created Date: 10/4/2012 11:25:07 AM. R-125/134a/E170 (77±1/19±1/4±1) 77±1% C 2 HF 5 · 19±1% C 2 H 2 F 4 · 4±1% C 2 H 6 O: 24. The CERN table for R134a at 10 Fahrenheit --> 11. Be sure to wear safety glasses while charging your air conditioning. Used in A/C, medium, and low temperature systems. Please feel free to. Neutronics Mini ID™ R-134a Refrigerant Identifier is a low cost R-134a identification option. Also, the lack of cooling could be due to a clog somewhere in your system which could also account for the pressures being incorrect. 6 times) greater than R-22. Note : R134a has a Global Warming Potential (GWP) of 1300 with respect to Carbon Dioxide. 025 m3, determine the pressure rise in the tire when the temperature in the tire rises to 50oC. From small indoor evaporative units, to large outdoor units, we have the right solution for any demand in the commercial refrigeration market. For 1,1,1,2-tetrafluoroethane at pressures between 220. Can someone explain why low side/high side gauge pressure charts vary so much? For example I see charts that. The system should be recovered, vacuumed (min 20 minutes) and charged. Pressure Fig. 0 MPa) Source of data: NIST Chemistry WebBook - accessed Jan 2008. R134a temperature pressure chart storage cylinder ac pressure temp charts refrigerants temperature and pressure pressure enthalpy chart of rankine R 134a System Pressure Chart Ac ProHow To Recharge Your Car S Ac In 8 Easy AutozoneR134a Refrigerant Pressure Temperature Chart Template 2134a Pressure Chart Gallery Of 2019Ac Pressure Readings Ricks Auto Repair AdviceChartrounpabingPennock S Fiero…. Created Date: 12/8/2010 1:32:38 PM. Buy R134a gas online and pick up your AC recharge can in an AutoZone near you today. Replaces R-12 in vehicles air conditioning systems world wide. I do not have PM. Contents > Appendices > Pressure/Enthalpy Chart - Refrigerant R134a: zoom-able, printable version of this chart. at -25 °C evaporation the pressure is roughly 190 % of R134a, 81 % of R404A, 350 % of R600a or almost exactly that of R22. Title: R134a col. If the compressor ain't spinning, static pressure, doesn't tell you a thing about charge, can be either just 2 ounces or 50 ounces in the system, pressure would read the same. However, R152a mass flow rate is up to 41. Install R134a charge port adapters. The pressure will drop. Shop the top 25 most popular R134a Hose Adapter at the best prices!. The PT Chart typically lists the pressure on the left, and the corresponding refrigerant boiling point on the right. Refrigerant R134a or HFC-134a was developed to meet these needs. the entire range of temperature, pressure, and density. 62-26 -32 6. 740 psi working pressure, 3700 psi burst pressure. EZ Chill Auto Air Conditioning Recharge - Gas R134A 264627 EZ Chill Auto Air Conditioning Recharge - Gas R134A is rated 4. Note : R134a has a Global Warming Potential (GWP) of 1300 with respect to Carbon Dioxide. Your a/c compressor does not run if the pressure in the system is too low. Don't drop any flammable items nearby for at least 10 minutes after releasing R134A. Yes, excess freon would have to be vented with the system off, you only have to wait maybe 2 or 3 minutes after shutting it off and you will see pressure on the blue gauge. Two different pressure gauges can be used, either low or high. Scroll down to find download buttons for pressure enthalpy charts in either Metric or Imperial Units. The HFO R-1234yf is the refrigerant of the future. = R-134a amount. The gauges readings will depend on the ambient temperature. It has been in use since the early 1990’s and now, in 2019, we are beginning to see it’s popularity wane with the rise of the new HFO refrigerant known as R-1234yf. , food) for preservative purposes. 5-40 -20 0 20 40 60 80 100. Refer to the appropriate Service Manual for location. 15 given in unit 3, For R-134a, at T = 100 ∘ F ⇒ P = 124. My high side pressure is reading perfect at 225. R-134a is heavier than air with a molecular weight of 102. Speedway, IN 46224 1-317-625-3846. Compressor however is not cycling on and off unless it reaches the desired temp. 94: 700: 100: NISSAN : 300 ZX (Z32). Description: 7, 43 pages ; 28 cm + 1 data sheet ([4] pages ; 28 cm) + 1 diagram ([1] pages ; 28 x 41 cm) Contents: Saturation properties --Superheated vapor properties. 66-29 -34 20. When filling 134a, you only need to watch the low pressure side. 0084: 1,548: 1,000 A1: 45,000: 190. Kiselev and M. Created Date: 7/26/2019 4:47:48 PM. CO2 would require significant on- vehicle safety systems to handle an accidental venting of the gas inside the passenger compartment. Neutronics Mini ID™ R-134a Refrigerant Identifier is a low cost R-134a identification option. T-s Diagram of Stirling cycles a and Ericsson cycles b. 15, 1993 (Grandfathered Unit) After Nov. CAUTION: 1. R134a Anti-Blowback Adapter - 1/2" ACME Male x 1/2" ACME Female (Each). 11) For blend refrigerants like R450A and R513A, pressure/temperature data will include bubble and dew point data. 7 shows that the suction line pressure drop for R1234yf is greater than that of R134a for equal cooling capacity, which is due to the somewhat lower specific latent heat of. Consider: Genetron Performax ® LT (R-407F), Genetron ® 422D, Genetron ® 407C. 5 K and of 1,1,1,2-tetrafluoroethane (commonly known as R134a) in the temperature range 214. ** = exceeds critical temperature Vacuum-Inches of Mercury Bold Italic Figures Pressure-Pounds Per ® Square. PRESSURE-ENTHALPY CHARTS AND THEIR USE By: Dr. -The middle: Low-pressure regulator 200PSI-Material: Plastic, Metal-Bottle Opener Thread :1/2"-Weight: 0. It is safe for normal handling as it is non-toxic, non-flammable and non-corrosive. I vacuumed the system down and went to charge, but found only a low pressure port. This lesson discusses the most commonly used refrigeration system, i. PRESSURE TEMPERATURE CHART HFC-134A REFRIGERATION PRESSURE TEMPERATURE CHART 404A. The information provided herein is a reference provided to. CORRECT CHARGE AMOUNT - The typical 134a charge of a factory R12 system is 70-80% of the original R12 charge amount. We refrigeration pressure temperature chart superheat. Speedway, IN 46224 1-317-625-3846. The general rule of thumb is that the system should take about 80-85% of the R12 number in R134a refrigerant. 56 3,495 349,537 349. ** = exceeds critical temperature Vacuum-Inches of Mercury Bold Italic Figures Pressure-Pounds Per ® Square. Filled it up with the required oil first, then put two more cans of 134a in. equivalent) 302: 12a 12 lb. This refrigerant is better than R-22 in terms of “Ozone Depletion” potential and energy efficiency, but it still causes global warming. The machine that pulls the vacuum is a vacuum pump. Bleeds off excessive refrigerant pressure in excess of 400 p. Recom-mended retrofit for R-12 auto-motive A/C. chest freezer cycle in untouched HCFC. The chemical compounds and molecular structures of the old refrigerant R-12 and the new refrigerant R-134a are completely different. HFO-1234yf is the first in a new class of refrigerants acquiring a global warming potential (GWP) rating one 335th that of R-134a (and only 4 times higher than carbon dioxide, which can also be used as a. For the normal running pressure in an R134A system, the coil should run at 22 pounds per square inch at the lowest temperature, 45−20 = 25 degrees Fahrenheit. I called the company and asked what. (2001) tested R-134a flow through orifice tubes with L/D = 20 ~ 30. r22 pressure enthalpy chart I have Pressure Enthalpy charts and tables in pdf format. R134a Refrigerant – Properties. Note the reading of compressor water, mechanical device outlet condenser outlet, evaporator temperature pressure & of varied parameters within the setup. It's been 4-5 years since I've done a 308 A/C system & I don't have my reference docs available right now. Forane 407C Pressure Temperature Chart Author: Arkema Inc. The pressure - temperature table shows the refrigerants in a state of equilibrium, the pressure of the refrigerant at any particular temperature can be found by using these tables. R-134a Properties - Imperial Units. I thought it was low on freon or pressure. com TOYOTA Model Specific Model/Type Date of Manufacture Information R134a (grams) +/-grams ISO +/-10ml IQ (GJ1/AJ1) 01. 5 50 55 60 63 65 70STD [°C] R134a R407C. Whether R134a performs as well as R12 in any given a/c system depends upon system components and the. I took a look at the “ID” Pressure Chart and it is very different than the one in the Chrysler/Dodge 2007 Minivan Service Manual. Mollier Chart in Metric Units (PDF file) (62 KB. I don't think you can charge by weight using the same numbers for R134a, you'll have to play the superheat/subcool/pressure game. R134a Refrigerant Capacity Guide Ariazone When people should go to the book stores, search launch by shop, shelf by shelf, it is. R-134A has a slightly lower pressure at evaporator temperatures (30-40 degrees), but R-134a also has a much higher pressure at condenser temperatures (120-150 degrees). Move across the columns horizontally to find the pressure. Created Date: 10/14/2018 10:21:30 PM. See the chart below and download the spec sheets and safety data sheets for more information on buying 1,1,1,2 tetrafluoroethane (halocarbon 134a) tanks and cylinders from Praxair. I bought a can of 134a and an adapter h. Pressure should be very nearly equal in both gauges. Surprised it kicked on at all. R-134a cans are under pressure. 9 Genetron 422D 422D Blend HFC MO 82. Can 12oz of r134a. pocket Pressure-Temperature charts give a midpoint evaporator temperature versus pressure. - Manifold sets must be 800 psig high-side and 250 psig low-side with 550 psig low-side retard. Find a store. The refrigeration cycle on the h-log p diagram. The unit is cooling moderately well. Additionally, HVAC Systems such as chilled water systems in both commercial markets and industrial markets. It is a naturally occurring substance that can be applied as a working fluid in different heating and cooling applications, due to its excellent heat transfer properties and its high volumetric cooling capacity. displacement with R-134a will drop, the specific power consumption also invariably drops. It's running about an 80% duty cycle to maintain 36f. The Industrial Refrigeration Consortium is a collaborative effort between the University of Wisconsin Madison and industry. mercury vacuum. [Replaces: H-39917] Reorder No. Can 12oz of r134a. 6, PC Model, R-134a: Saturation Pressure Table thermofluids. CORRECT CHARGE AMOUNT - The typical 134a charge of a factory R12 system is 70-80% of the original R12 charge amount. High side pressure in PSI should be about 2. If the pressure is higher than the chart, it is either overcharged or may have air (non-condensable) in the system. You should be able to buy the cans of R134A and recharge the system. This is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion. Saturated line: on line c alculation: on temperature on pressure | references on Mathcad 15 f unctions: R134aPST(T) R134a T S P (p) R134aDSLT(T) R134aDSVT(T) R134aHSLT(T) R134aHSVT(T) R134aSSLT(T) R134aSSVT(T) R134aCpSLT(T) R134aCpSVT(T) R134aCvSLT(T) R134aCvSVT(T) R134aDYNVISSLT(T) R134aDYNVISSVT(T) R134aPrSLT(T) R134aPrSVT(T) R134aSURFTENST(T. R134a Refrigerant 3 Is R134a a more environmentally friendly refrigerant? Is R134a a more energy efficient refrigerant? What is the best refrigerant for high ambient temperature? Will I use less fuel with a properly designed R134a system as compared to one running with R407C? COP 1. High side operating pressure could be as high as 2500 PSI. R-134a System Pressure Chart - AC Pro. Make sure to buy pure R134a with no additives – dye – stop leak – or oil. ” EPA is considering listing R-134a, R-407C & R-410A as “unacceptable”. com VAPOR PRESSURE - MM OF MERCURY-40-20-10 0 10 20 25 30. R134a temperature pressure chart storage cylinder ac pressure temp charts refrigerants temperature and pressure pressure enthalpy chart of rankine R 134a System Pressure Chart Ac ProHow To Recharge Your Car S Ac In 8 Easy AutozoneR134a Refrigerant Pressure Temperature Chart Template 2134a Pressure Chart Gallery Of 2019Ac Pressure Readings Ricks Auto Repair AdviceChartrounpabingPennock S Fiero…. R-134a TEMPERATURE PRESSURE CHART FOR ORIFICE TUBE SYSTEM WHILE RUNNING. DO NOT STORE CAN IN VEHICLE - MAY EXPLODE! Read all warnings and instructions here and on the can before use. If the refrigerants are mixed, compressor failure is likely to occur. In both cases the site glass showed a whitish foam. Ford Light Truck refrigerant and oil capacity charts. Refrigerating capacity, energy demand, temperature properties and pressure levels are comparable, at least in air conditioning and medium temperature refrigeration plants. The following system checklist shows a system with an overcharge of refrigerant (values in degrees F except where otherwise indicated). "Mollier diagram Pro is the best program I have on my laptop. In some applications the HPRV is located on the filter/drier. R134a is also known as Tetrafluoroethane (CF3CH2F) from the family of HFC refrigerant. Expansion valve calibration won't be quite right for R134a, but. It is a 134a system. 05 R134a 700 ±25 SP-10 PAG46 135 166 (936) 07. The chart shows the pressure, temperature and enthalpy at the current mouse position.
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