Copeland Scroll™ ZPK5 R-410A Compressor Cross Reference Guide Code H-Phase-Volts PFV 60-1-208/230 PF 60-1-265 TF5 60-3-200/230 TFD 60-3-460 TFE 60-3-55 TF 60-3-380 Copeland™ ZPK5 Single Phase Compressor Models Tonnage ZPK5 Preferred Wholesale Model A motor of a given rated horsepower is expected to deliver that quantity of mechanical power at the motor shaft. Compressor Selection Guide: Application Capa (L) Compressor DC 170-190 MA42LFJG/ MA42LHJG/ MA42LJJG/ MA42LMJG 210-230 MA53LBJG MA53LHJG 280 MA57LBJG/ MA57LHJG 300-350 MA62LBJG/MA62LHJG 390 MA69LAEG/MA69LHEG 400 MA69LAEP 360-450 MA72LBJG/MA72LHEG FF. Equipment manufacturers label their equipment with the compressor RLA (rated load amps). The wire, breaker and fuse sizes are provided as a reference for the installer and are based on the 1996 National Electrical Code. By closing this message or continuing to use our site, you agree to the use of cookies. However, the technician must know what the correct amperage should be. The number and type of electrical devices connected to a circuit determine the ampacity requirement of the conductor. Choose a location on the wiring diagram that will isolate the compressor from any other loads, such as the condensing fan motor. What is your strategy for vaccinating your employees? *A compressor with start components will pull higher amps through the start winding— estimate 20 to 40 amps. Condenser 70/50 80/60 90/70 115 208‐230 3 phase CME306 Air Cooled 12‐13 15‐16 10 The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 Volts, 60°C through 90°C (140°F through 194°F), not more than three current-carrying conductors in raceway, cable, or earth (directly buried), based on ambient air temperature of 30°C (86°F). Use the Locked Rotor Amps to determine the start up surge requirement. Check the voltage supply, inspect the capacitor with a multi meter and weak capacitors will sometimes look swollen or mishapen. The 485C features newly-developed sleek head design, increased duty cycle and quieter dB levels. NOMENCLATURE • A/C SCROLL MODELS - X X X - X X X Compressor Family Series Either a number or a letter established for each product model. The same model compressor in two different applications can have a different RLA in each application. A motor of a given rated horsepower is expected to deliver that quantity of mechanical power at the motor shaft. The locked rotor amps tell you what the compressor will draw if the rotor cannot turn when the compressor is energized. Please click here to continue without javascript.. You can read the tag on the motor of your system to determine the voltage requirements of your air compressor. Excessive suction pressure beyond the limits of the compressors ability to run. Hp to Amps (Amperes) – Conversion, calculator, formula, table, chart. Copyright ©2021. We can help you understand what length and gauge extension cord gets you and keeps you up and running. Amps = 746 120 V × .9. VIAIR’s brand new 485C compressor delivers game-changing performance, rated at 100% duty @ 200 PSI. Using the amperage draw of the compressor will help any technician determine if the compressor is truly defective. Joe Marchese is owner of Coldtronics of Pittsburgh. Extension Cord Size Chart – Wire Gauge vs Length. To use the chart, the technician must know the evaporating temperature, condensing temperature, and voltage applied to the compressor. This typically is 5 to 7 times as high as the operating current. This will be great in allowing you to determine if the amp draw on your compressor is causing your breaker to trip. The Professor: Compressor Amperage Curves. Continuous amperage draw beyond the rated current can result in component failure. You must use the correct size wire for the amperage requirement of the circuit to prevent the wire from over heating. But the operating current is not a fixed quantity. PORTABLE. 460 volts motor - 3-phase : 1.25 amps/hp; Always check nameplate information before designing protective devices, wiring and switch gear. Compressor manufacturers publish a rating chart for each compressor they manufacture. To use the chart, the technician must know the evaporating temperature, condensing temperature, and voltage applied to the compressor. Now look back at the original screenshot of the app. A typical refrigerator draws 725 watts, according to the United States Department of Energy. Refrigerator: Capa (L) Compressor 70-80 MA42LFJG / MA42LMJG/ MA42LHJG / MA42LJJG 250 … MAXIMUM ALLOWABLE WATTAGE (80% of Breaker Max.) The currents listed shall be permitted for system voltage ranges of 110-120, 220-240, 380-415, 440-480 and 550-600 volts. They will usually stamp the Rated Load Amp (RLA) of the compressor. True that most compressors are tested by the manufacturer and should be compared to its engineered ratings.Air Conditioning Parts OnlineHeat Pump Parts Online. Current is measured in amperes or "amps". X X X X X X X X X Capacity Multiplier K: 1,000 M: 10,000 Type of Oil E – 3MA POE Oil Compressor nominal capacity at rating conditions 2 – 3 numeric characters. It is important to measure the amp draw of the compressor only when you are trying to determine if it is operating properly. model duty cycle cfm @ 0 psi max amps work pressure (psi) volts ip rating; 330c-hg: 33% @ 100 psi: 1.43: 14: 200: 12v: ip67 Often a system problem may seem to be the result of a defective compressor when in fact it is due to some other cause. The voltages listed are rated motor voltages. However, the technician cannot use this value to determine the correct operating amperage. Visit our updated. Thus, the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor. I want to hear from you. There is a problem with your web site in internet explorer, would check this… IE nonetheless is the market leader and a big element of other folks will leave out your wonderful writing due to this problem. Compressor manufacturers publish a rating chart for each compressor they manufacture. By visiting this website, certain cookies have already been set, which you may delete and block. This website requires certain cookies to work and uses other cookies to help you have the best experience. The proper circuit size, as indicated by amperage, is determined by several factors, including the planned load on the circuit, the number of outlets or light fixtures, and the length of the circuit. Air Compressor - ¼ HP: 975* Air Compressor - 1 HP: 1600* Paint Sprayer - Airless: 600* Table Saw - 10" 1800* Quartz Halogen Work Light: 1000: Reciprocating Saw: 960: Circular Saw - 7¼" 960: Hand Drill: 440 Compressor Temperatures Chart Guidelines. *If a compressor with starting components is only drawing 7 amps on the start winding, there is a If they are, check the voltage and capacitor. Some compressor manufacturers, such as Copeland and Carlyle, use a different factor. Running a 15-amp tool? Another method of motor loading would be the pressures entering and exiting the compression chamber, basically the suction and discharge pressures.Of these two loads, the mechanical load is a given. Trying to figure out what a compressor’s amp draw should be can be a bit confusing. Refrigerator amps mean the amount of electrical energy used by a refrigerator compressor to cool down the compartment. All wiring should be performed by a licensed electrician or electrical ... MCGUIRE AIR COMPRESSORS 1-888-229-9999. You must use the correct size wire for the current (load) requirement of the circuit to prevent the wire from overheating. To know what a compressor amp draw should be at any particular operating condition, you need a chart or table supplied by the compressor manufacturer. Tell me how we can improve. Usually, a general purpose house circuit is designed for 20 amps. That’s right, we’re giving you the chart right up front without making you read through paragraphs of text. thank you very informative my instructor will be pleased, Nice post on RLAs and LRAs for compressors. How about a full 20-amp tool? Air Compressors Chart Choosing the Right Air Compressor An air compressor is a tool, specifically it is a tool to run other tools, unless you just need a volume of air compressed for an air tank or to inflate a tire. Air Compressor (1 HP) Circular Saw (7 1/4") Table Saw (10") Reciprocating Saw: Quartz Halogen Work Light: Drill (1/2", 5.4 Amps) Bench Grinder (8") Belt Sander: Battery Charger (100 Amp with 300 Amp Boost) Note: All wattages are estimates. All the charts I’ve found (Wikipedia, Engineer’s Toolbox, etc.) He can be reached at 412-734-4433, www.coldtronics.com, or joe@coldtronics.com. When you are diagnosing a potential compressor problem, you need to measure its amp draw to get a correct assessment of its vital signs. However, the RLA is not really there to tell you what the compressor amp draw should be. Belt Sander Air Compressor – 1/4 HP Air Compressor – 1 HP Computer w/17 in. Maybe a little better than the RLA … With this calculator you can convert online from Hp to Amps or Amperes to Hp automatically, easily, quickly and free. *If a compressor with starting components is only drawing 7 amps on the start winding, there is a Electric Drill – 3/8 in., 4 Amps Electric Drill – 1/2 in., 5.4 Amps Circular Saw – 7 1/4 in. The voltage requirements of the stealth system is 120 volts. With the use of the Internet this information is now easier to obtain. F.Y.I. COMPRESSOR DIAGNOSTIC FLOW CHART Fill in data and circle yes or no as you go thru the chart. Most hermetic compressors only have the LRA (locked rotor amps) on the compressor data plate. Wire Size Chart and Maximum Amp Ratings Most compressor manufacturers will stamp an amperage rating on their compressors. We were discussing compressor draw with our electronics teacher and he pointed out that the reason you have so much inrush current at startup is because until the rotor starts to move and you actually have some induction taking place, you're essentially applying line voltage to a resistance of about 1 ohm, the typical run winding.I tell the students to compare the actual readings to the data plate and not to get to concerned unless the amps are more than 10% over the RLA. The best way to determine the correct amperage draw for a particular compressor is by referring to the rating chart for that compressor. Bristol compressors will let you enter a specific operating condition and their web site will spit out all the relevant data – including the operating current. Some now have this data online. Motor Current Rating Chart for Full Load Amps The information in this chart was derived from Table 50.1 of UL standard 508A. Divide 373 watts by 120 volts to yield 3.11 amps. If the RLA has any value, it is to determine at what amperage draw the compressor overload will trip, and to determine the fuse/circuit breaker size and the wire size. By visiting this website, certain cookies have already been set, which you may delete and block. Amps = 1 HP × 746 W 120 V × .9. seem to have slightly different information, so that’s why I’m curious. ..... (conversion formula: Watts ÷ 120 volts = Amps ..... Amps x 120 volts = Watts) By closing this message or continuing to use our site, you agree to the use of cookies. This next generation compressor is a true 200 PSI-rated working pressure pump. Electric Drill – 3/8 in., 4 Amps Electric Drill – 1/2 in., 5.4 Amps Circular Saw – 7 1/4 in. • The number and type of electrical devices connected to a circuit determine the amperage requirement of the circuit. For a compressor based refrigeration unit this would be at unit/compressor startup. *A compressor with start components will pull higher amps through the start winding— estimate 20 to 40 amps. The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 Volts, 60°C through 90°C (140°F through 194°F), not more than three current-carrying conductors in raceway, cable, or earth (directly buried), based on ambient air temperature of 30°C (86°F). The higher the amperage rating of the circuit, the larger the wires need to be in order to avoid excess heat that can melt wires and cause fires. 1. Check the performance charts of the compressor for the maximum suction pressure. The compressor chart will list the correct amp draw for the compressor under its various operating conditions. The compressor manufacturer must run a series of tests to determine the Maximum Continuous Amps (MCA) before the overload trips. Single-Phase Motors - HP and Full-Load Currents. Cycle Times Compressor Amps ‐ Freeze Cycle. It is there for the purpose of sizing the wire, controls, and overcurrent devices for UL listed equipment. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. All Rights Reserved BNP Media. Changes in condenser and evaporator pressures change the work load of the compressor, which changes the actual operating current. The number and type of electrical devices connected to a circuit determine the ampacity requirement of the conductor. That Amps-to-AWG chart is the best I’ve come across on the web so far in terms of comprehensibility. 460 volts motor - 3-phase : 1.25 amps/hp; Always check nameplate information before designing protective devices, wiring and switch gear. RLA is a mathematical calculation required to meet Underwriters Laboratories (UL) approval. It has nothing to do with what the correct amperage draw should be under its various load conditions. Hp to Amps (Amperes) – Conversion, calculator, formula, table, chart. Startup current is the amperage / power draw peak that occurs when an appliance is operating in its most strenuous condition or cycle. Your application's exact wattage may vary. Once that has been determined, UL says to divide the MCA by 1.56 to determine the RLA. For example, let’s find the current draw in amps of a 1 horsepower motor that runs at 120 volts with a 90% efficiency. Amps = HP × 746 V × η × PF. However, you cannot size your circuit breaker up … *A compressor without start components will tend to pull fairly low amps through the start winding— estimate 5 to 15 amps. You must use the correct size wire for the current (load) requirement of the circuit to prevent the wire from overheating. Current is measured in amperes or “amps”. Common Tools: Estimated Watts: Suggested Inverters: Angle Grinder 900 KISAE MW1215 Samlex SAM-1500-12 Power Bright 1500 Xantrex XPower 1500: Drill (1/4"-1/2") Compressor pull high amps. On complete systems submitted to UL, the rated load amp value will be determined by actual system tests. Hi, Neat post. A technician can determine the correct amp draw for the compressor and use that information to accurately troubleshoot the compressor and the system. What is your source or reference? *A compressor without start components will tend to pull fairly low amps through the start winding— estimate 5 to 15 amps. Also, trying to determine if a compressor is good or bad using RLA is not correct. Design, CMS, Hosting & Web Development :: ePublishing. If we use common LRA divisors 161 ÷ 6 gives us 26.83A and 161 ÷ 8 gives us 20.125A. The compressor chart will list the correct amp draw for the compressor under its various operating conditions. model duty cycle cfm @ 0 psi max amps work pressure (psi) volts ip rating; 330c-hg: 33% @ 100 psi: 1.43: 14: 200: 12v: ip67 Wire Size Chart and Maximum Amp Ratings Good article. It calls for an amp draw of 17.09A at that set of conditions. The compressor has a listed RLA of 25.8 and an LRA (Locked Rotor Amps) of 161.0. For most domestic fridges, the amperage ranges between 3 and 5 in the case of 120 V. You need a dedicated 15 – 20 amp circuit as the starting amperage is significantly more. Belt Sander Air Compressor – 1/4 HP Air Compressor – 1 HP Computer w/17 in. If the air compressor uses a cigarette lighter style plug, then amperage is typically 10 - 15 amps. Also, air conditioners are a very difficult load because of the high start-up surge. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. The compressor could be pulling hi amps due to wear and age, low power supply or perhaps a weak start run capacitor. But also to use common sense; if it's only 70 degrees outside, your amps really shouldn't be near the RLA. Current is measured in amperes or “amps”. Single-Phase Motors - HP and Full-Load Currents. They divide the MCA by 1.44. 90° F RLA - 1 Amp 85° F RLA - 2 Amps 80° F RLA - 3 Amps 75° F RLA - 4 Amps d. Use the chart to calculate what your approximate compressor amperage should be based upon the outdoor temperature measured in step one. Guidelines. With this calculator you can convert online from Hp to Amps or Amperes to Hp automatically, easily, quickly and free. The temperature range and guidelines shown below can be considered good for the following conditions: R22 Systems; Air Conditioning Duty (TXV) SCT equal 95°-115° Reading from other condition will not fit into all the guidelines. Motor full load amps are taken from motors currently used by Champion. Startup or Surge Current / Power. Air Compressor - ¼ HP: 975* Air Compressor - 1 HP: 1600* Paint Sprayer - Airless: 600* Table Saw - 10" 1800* Quartz Halogen Work Light: 1000: Reciprocating Saw: 960: Circular Saw - 7¼" 960: Hand Drill: 440 If we compared that to the RLA, even the correct amperage looks low. The identification tag on the compressor should specify the power that it draws in watts. As long as the used when figuring electrical material needs and is already calculated in the chart. When measuring the amp draw of a compressor, make sure to read only the amperage drawn by the compressor.