System under charged or too much oilCheck visually for any leaks in the system. The car of course started when he got there, but he check under the hood and explained the chip in the key which was probably the problem. TBH, keep it well lubricated, and go for it. The compressor was fully on and the car just was barely cooling before I began adding the freon into the car – but it certainly was not keeping up and was not cool enough. That should be dramatically faster, so could going too fast decrease performance, or something, or is there a reason the original motor may have slowed down? To properly to check the refrigerant charge of an AC system for an automobile, the engine has to be at operating temperature, the idle at 2,000m RPM’s, with a large fan blowing at the condenser/radiator. Basically I need to know what RPM's I should be running the compressor at. Ramdev Cool Spares - Offering Car A/c Compressor, Car AC Compressor, Automobile AC Compressor, Vehicle AC Compressor, ऑटो एसी कंप्रेसर at Rs 9800/piece in Chennai, Tamil Nadu. The only reason I had to change pullies was because the original had FLAT BELTS (awesome) from back when people cared and build stuff right. You would then have the engine run at a constant speed so the "Alternating" part of AC would be a consistent frequency. I mean a car engine is basically an air pump(a single stage kind), and those run at a few thousand RPM. It's most evident with the A/C compressor as this has is one of the biggest drains on the system in terms of additional equipment. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. I purchased a compressor, designed for maintaining 40 psi in fire sprinkler systems. V belts are MUCH higher power rating than flat belts. Your Account . It can be operated at continuous crank speeds of 6000 RPM. © One of the most important is the AC thermistor. The company that made it is all but lost among all reaches of the internet and around here nobody knows any more than I do about old compressors. You’ve likely noticed your car’s engine RPMs increasing at idle when the compressor kicks on. I believe that an incorrect belt can affect its performance, as well as a number of other things (especially if it hasn't been used in a while, or maintained). So instead of an inverter, I believe a small portion of electricity will be converted to DC, while AC (naturally produced by a generator) could be used to drive the wheels, a/c compressor, etc. Over a certain number of years, this stress will wear down the compressor and cause it to eventually malfunction. Look for oil residue around the hose ferrules, fitting connections at the compressor, condenser, and evaporator or expansion device. Very knowledgeable about me issue and lead me in the right direction. Also ask yourself if you are satisfied with how fast the compressor is pumping air for you? Without more information, its going to be difficult for anyone to tell you what RPM it should run at. The first thing I would check is to see if the battery is in good condition, properly charged, and able to pass a load test. Emmette came out and did an inspection on my car. I mean that would be the way to proceed if you're too chicken to try just doubling the speed, and I do not blame you if want to be cautious. That's unfortunate. Because the system is powered by your engine, it pulls energy from it during operation, which can have an effect on engine performance. Maybe some successively smaller pulleys? As to the question of how much power it draws, there’s no one answer, as it depends on the make and model, the engine, the condition of the engine and the air conditioning system and much more. The ABS Light being on indicates a fault in the ABS system, wheel speed sensors and or solenoid... Hello. compared to my little single stage one, but it isn't even close. If you can find the manufacture of the compressor, they might spec the max RPM allowable. P.S. The average cost for an AC compressor replacement is between $500 and $700 depending on the particular car. George_San_Jose1 March 16, 2017, 3:13am #3. I am guessing it would be ok at 600 RPM. Additionally, he made a recommendation or two about the maintenance of my vehicle. Any AC system requires a refrigerant, such as R-134a. Subaru WRX STI - Pre-purchase Car Inspection - Stafford, Virginia. I was thinking about why a mechanic can't come to the car as I prepared to call AAA for a tow when I found this web sight. Rencool have released their new series DC Voltage Compressor to suit the Automotive market. If you turn on the air conditioning and stand in front of the car and listen to the engine you will hear the AC compressor clicking every few seconds as it engages and disengages. Bad ac compressor gauge readings. The MD-18 Series is a DC Electric Air Conditioning Compressor unit Powered by 12 & … The forums are retiring in 2021 and are now closed for new topics and comments. It takes 25+ minutes to pump up, I am not satisfied at all. The high side pressure is too low. Even a well maintained compressor, sitting for 40+ years will dry out and may have a lot of dust inside etc. Also I am guessing that twice the current speed is the fastest it could have possibly run, based on my previous reasoning of 3600 RPM being the fastest possible speed for an AC induction motor. It sounds like you may have a severe oil leak that caused the oil burning smell. It came to Colorado brand new and has been here ever since. You see the same thing to a lesser extent when turning on other systems on the car such as the heated rear screen. Car AC Compressor, Discharge Pressure: 12 To 18 Bar, Maximum Flow Rate (CFM): 501 To 1000 Cfm ₹ 14,800/ Unit Get Latest Price Compressor Technology : Reciprocating Compressor He was on time and very knowledgeable. Mazda 2 - Car is not starting - Westminster, California. Tester. Chris was very conscientious about arriving on time, he ran into some traffic but kept me informed on his arrival time. My dad says it is running much slower than he remembered and it is going 323 RPM's compared to the original gear ratio that would have run at 269 RPM's. Do you think it would be hard on anything to run at 600 RPM's, or should it be ok. However, the AC is powered by your engine – the serpentine belt that runs your alternator, water pump, power steering pump and other accessories also turns the pulley for the AC compressor/clutch. I have a 2000 mercury sable LS sedan. http://www.aosmithmotors.com/motornews/default.aspx?id=568, http://en.wikipedia.org/wiki/Revolutions_per_minute#Examples. It is natural for your car A/C compressor to cycle on and off. I will be utilizing the services of "Your Mechanic" again. YourMechanic All rights reserved. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. You’ve likely noticed your car’s engine RPMs increasing at idle when the compressor kicks on. Standard AC powered compressors operate at a speed that is synchronous to the frequency, or Hertz (Hz), of the power supply. However, there are many other sites that specialize in compressors, and posting photos and as much info as you can may yield more advice on what to do to get it running properly. Volt for Mining, Military and Heavy Construction Industries to engine speed read into the yellow 2,000 cities. 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