My Ac cools but only at high RPM. Since car air conditioning systems get turned on and off constantly, this power fluctuation puts a lot of stress on the compressor. The AC compressor is powered by your cars engine via a belt. Chris was very conscientious about arriving on time, he ran into some traffic but kept me informed on his arrival time. The A/C compressor has a clutch which is engaged only when the “A/C” button is switched on. If you run it twice as fast as you're running it now, it will take 12+ minutes to pump up, right? Mini Cooper - Water Pump - Santa Ana, California, Pontiac Firebird - Oil is leaking into spark plug well - Orlando, Florida. I spent a lot of money on this thing and I was expecting it to be really fast. I think it's a great idea and will use again in the future. Any information on it is non-existent, the company that built it made custom compressors, in Chicago. Rest assured, an AC compressor usually lasts for 8-10 years, which is typically how long an average car owner would keep the car … Air conditioning compressors Compressor kits Complete vehicle air-conditioning checks available Stay cool with ... For a full 3-year warranty on a new AC compressor, ... Natrad are air conditioning compressor suppliers who can also fit a new A/C compressor to your car. If you drive a subcompact with a small four-cylinder engine, your engine will be much more affected during AC operation than a big block V8 engine, even if the amount of power drawn by the air conditioner is identical between the two cars. 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. TBH, keep it well lubricated, and go for it. Most cars these days come with air conditioning as a standard feature – gone are the days when it was an expensive extra (for most of us, anyway). This should be checked and replaced if faulty. 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'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. 8 years ago, The three fastest possible no-load speeds for a AC induction motor, with a power line frequency of 60 hertz, are: 3600 RPM (for a 2 pole motor) 1800 RPM (for a 4 pole motor) 1200 RPM (for a 6 pole motor) Assuming a "slip" of about 4.2%, those numbers become: 3450 RPM (for a 2 pole motor) 1725 RPM (for a 4 pole motor) 1150 RPM (for a 6 pole motor) Assuming the original motor was a different motor than the one you're using, it might have been a 2-pole, instead of a 4-pole. We actually talked about different things, and he seemed responsive to my questions. It is engaged and disengaged as needed by an electro magnetic clutch. Bad Car AC Compressor Symptoms. How to Take the Pressure ReadingsFor example: with the engine off and AC not run for at least an hour, a 70° your readings should After compressor disengagement, the rise in suction side pressure will usually be very slow. In electric vehicles, the A/C compressor is driven by an electric motor and runs at a constant RPM only when the A/C is switched on. Good service. 1998 Honda CRV. So it won't cause any damage by being turned on at speed. I have a 2000 mercury sable LS sedan. Diagnosed problem right away and scheduled repair shortly after. It can be operated at continuous crank speeds of 6000 RPM. This then causes the RPM to jump back up again and then settle to a comfortable idle speed. When engaged, the compressor turns at a rate proportional to engine speed. The three fastest possible no-load speeds for a AC induction motor, with a power line frequency of 60 hertz, are: 3600 RPM (for a 2 pole motor) 1800 RPM (for a 4 pole motor) 1200 RPM (for a 6 pole motor) Assuming a "slip" of about 4.2%, those numbers become: 3450 RPM (for a 2 pole motor) 1725 RPM (for a 4 pole motor) 1150 RPM (for a 6 pole motor) Assuming the original motor was a different motor than … Basically I need to know what RPM's I should be running the compressor at. It can double as a vacuum  pump and it uses old fashion check valves! Do you think it would be hard on anything to run at 600 RPM's, or should it be ok. The MD-18 Series is a DC Electric Air Conditioning Compressor unit Powered by 12 & … The oil light illuminates due to a loss of oil pressure in the engine. Rencool manufactures DC Voltage Compressors up to 8Kw @ 24 Volt for Mining, Military and Heavy Construction Industries. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. He took it upon himself to even ride around in my car with me while I pointed out different concerns. He did a great detailed job on inspecting the car I was looking at possibly buying. document.write(new Date().getFullYear()) Got home and began to slowly put the R-134a into the car air conditioner system with the AC turned on and the temperature set fully to cold and the blower fully on. I have had it for about 3 months and last month had to replace the air compressor. How it Works Car AC Compressor Magnetic Coupling Circuit and Wiring Diagram Download for Automotive, Car, Motorcycle, Truck, Audio, Radio, Electronic Devices, Home and House Appliances published on 29 Des, 2020. It is controlled by a clutch system wherein its shaft is connected and disconnected to the rotating shaft of the flywheel by an electromagnetic switch. Mazda 2 - Car is not starting - Westminster, California. 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? 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. Your Account . © The forums are retiring in 2021 and are now closed for new topics and comments. He seemed very personable and professional. You see the same thing to a lesser extent when turning on other systems on the car such as the heated rear screen. If you know that, and you can measure the displacement easily, you can work out the RPMSteve, No such information included, I don't know if they cared back in this thing's day, the just assumed, it pumps in 5 minutes, ITS A FAST ONE. Fast, free online quotes for your car repair. Honda Accord - Car surges when air conditioning is on - Woodbridge, Virginia. 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. The high side pressure is too low. The reason I suggested the servicing was to check the filter(s), seals, valves and to ensure that internal parts are still well lubricated and moving freely. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. How Does a Car’s Air Conditioning Work? How Do Rotor Engines Differ From Regular Engines? These characteristics make the Sanden an almost ideal performance compressor. 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. 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