Transcription of TEMPERATURE PRESSURE CHART - TECUMSEH
1 TEMPERATURE TECUMSEH Model Number - Refrigerant Code F CR22 (E)R134a (Y)R290 (U)R404A (Z)R407C (C)R407FR410A (B)R414B/ Hot ShotR438A/ MO99R507 (Z)R1234yf(H) PRESSURE CHARTAt Sea LevelPressure, psig To determine subcooling for R404A, R407A, R407C, R407F, R414B, & R438A, use BUBBLE POINT values (temps. above 50 F blue background)To determine superheat for R404A, R407A, R407C, R407F, R414B, & R438A, use DEW POINT values (temps. 50 F & below) Vacuum, in. of mercury Blue Bold Italic FiguresApplicationTemp RangeEvap TD R22R134aR404AR414BR507 OutInOutInOutInOutInOutInBeverage Cooler 35 F to 38 F( C to C)15 F( C)41661733538215295686 Floral CoolerProduce CoolerSmoked Meat Cooler32 to 35(0 C to C)15 F ( C)38621530497713275281 Meat Reach ThruService DeliSeafoodMulti-Deck Fresh Meat 26 to 29 ( C to C)15 F( C)3254112542689224471 Frozen Glass Door-10 to 0( C to C)10 F( C)924 1533 1635 Frozen Walk-InFrozen Ice Cream -30 to -20( C to C)10 F( C)010 316 418 Frozen Food - Open TypePressure control settings assume a suction line PRESSURE loss equivalent to 2 PRESSURE CONTROL SETTINGSP ressure Pounds Per Square Inch GaugeHOW TO CHECK SUPERHEATE xample.
2 Refrigerant 134aSuction TEMPERATURE 38 F ( C) (6 to 12 from compressor)Evaporator TEMPERATURE 20 F ( C) (Converting PRESSURE of 18 psig)Superheat 18 F ( C)RE V 11/14 Publication No. ES114 TECUMSEH MODEL CHARTAEAGAHAJAKANAVAWAZRGRKSASFTPHGTHTWV SP rimary Application ParametersEvap TemperatureRating PointMotor Starting Torque1. Low-10 F ( C)Normal2. Low-10 F ( C)High3. High45 F ( C)Normal4. High45 F ( C)High5. Air Conditioning45 F ( C)Normal6. Medium20 F ( C)Normal7. M e d i u m20 F ( C)High8. Air Conditioning49 F ( C)Normal9. Commercial20 F ( C)High0. Commercial20 F ( C)NormalF. Low Vapor Inj-10 F ( C)HighG. Low Liquid Inj-10 F ( C)HighPrimary RefrigerantsA = R12B = R410AC = R407CE = R22J = R502U = R290Y = R134aZ = R404AZ = R507 Voltage CodesAA = 115/ 60 /1AB = 115/60/1; 90/50/1FZ = 220-240/50/1NA = 208-230/60/1VA = 265/60/1; 220-240/50/1XA = 115/60/1; 100/50/1XB = 230/60/1; 200/50/1XC = 220-240/50/1XD = 208-230/60/1; 200/50/1XF = 208-230/60/3;200-240/50/3XG = 460/60/3; 380-420/50/3XH = 575/60/3; 480-520/50/3XN = 208-230/60/1; 200-220/50/1XP = 220/60/1; 200/50/1XT = 200-230/60/3; 200-220/50/3XU = 100/60/1; 100/50/1XV = 265/60/1In this example (4) total digits, with the first two (40), or 4,000 Btu/h capacityCompressor Family (First Two Digits)Release Variant (The Third Digit)ApplicationFirst Digit is the No.
3 Of Digits in Btu/h Capacity Last Two Digits are the First Two Digits in Rated Btu/h Capacity RefrigerantVoltageEfficiency Level (AE2 models only)Compressor Application CategoriesLow Temp-40 F to 10 F C to CMedium Temp-10 F to 30 F C to CCommercial Temp-10 F to 45 F C to CHigh Temp20 F to 55 C to CHigh Temp (AE2)-10 F to 59 C to CAir Conditioning32 F to 55 C to CHeat Pump-15 F to 57 C to CFor explanation of voltage not listed, contact TECUMSEH Products Products Company | Ann Arbor, MI USA | | 4 440 Y XA Release VariantA = 1stB = 2ndC = (AE2 models only)(All models except AE2) Examples: AE2 model number:AE4440Y-AA1 AModel number except AE2:AEA4440 YXA
