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. AC is cold only when the engine is revving above certain rpm. I have a 2000 mercury sable LS sedan. I would use Emmette and the server again. 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. Any idea of the CFM rating of this compressor ? YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Since car air conditioning systems get turned on and off constantly, this power fluctuation puts a lot of stress on the compressor. This then causes the RPM to jump back up again and then settle to a comfortable idle speed. The A/C compressor has a clutch which is engaged only when the “A/C” button is switched on. 1. He seemed very personable and professional. Bad Car AC Compressor Symptoms. How Do Rotor Engines Differ From Regular Engines? Fast, free online quotes for your car repair. Especially since you say you spent a lot of money on this compressor. A typical motor running on 60Hz American power will spin at close to 3,600 RPM, whereas the same motor operating on the same voltage but on 50 Hz European/rest-of-the-world power will run slower, at around 3,000 RPM. 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. Because the system is powered by your engine, it pulls energy from it during operation, which can have an effect on engine performance. 800-401-6762 Support Center FREE SHIPPING On Orders Over $99 . The high side pressure is too low. You’ve likely noticed your car’s engine RPMs increasing at idle when the compressor kicks on. Without more information, its going to be difficult for anyone to tell you what RPM it should run at. Diagnosed problem right away and scheduled repair shortly after. 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. If you are using the same motor as before, then I can't guess at a reason for the suspected slowness. When at a stop, the air is warm…but if I put it into neutral and rev the engine to, let’s say, 2000+ rpm, AC gets colder…or when Im driving, obviously. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. It can be operated at continuous crank speeds of 6000 RPM. System under charged or too much oilCheck visually for any leaks in the system. Please see our, Dodge Caravan - Car surges when air conditioning is on - Orlando, Florida, Jamahl was Professional, courteous, and friendly, Toyota Corolla - Check Engine Light is on - Deltona, Florida. Very knowledgeable about me issue and lead me in the right direction. Your Account . He took it upon himself to even ride around in my car with me while I pointed out different concerns. Youâll also find that the power drawn from the engine has a more noticeable impact with smaller engines. Also ask yourself if you are satisfied with how fast the compressor is pumping air for you? http://en.wikipedia.org/wiki/Revolutions_per_minute#Examples I mean you can sort of see where this goes. Good service. We actually talked about different things, and he seemed responsive to my questions. Now I have a v-belt on it and the compressor pulley wobbles by like 2 inches and the thing is out of line, but these shouldn't be slowing it down. I'm trying to think how you would do that. It is engaged and disengaged as needed by an electro magnetic clutch. P.S. The HVAC system is an important accessory, and helps you stay cool in the car when it gets hot outside. Emmette was great! document.write(new Date().getFullYear()) Read about company. TheÂ oil light illuminates due to a loss of oil pressure in the engine. 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. 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. Vehicle Info: 93' Merc. Maybe some successively smaller pulleys? 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. Best Answer The ABS Light being on indicates a fault in the ABS system, wheel speed sensors and or solenoid... Hello. 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 … Emmette came out and did an inspection on my car. Above 1200 RPM, efficiency rapidly increases; at operating speeds of 1800 to 2400 RPM it is about the most efficient pump on the market. What Typically Causes the Heating or AC to Stop Working. 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. I have already recommended him, and I look forward to actually seeing him in action in the future. He was on time and very knowledgeable. Yo… AC compressors endure a lot of stress. 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. When engaged, the compressor turns at a rate proportional to engine speed. Last week i was finally able to recharge the ac and put refrigerant in it. Do you think it would be hard on anything to run at 600 RPM's, or should it be ok. How to Troubleshoot a Surge Caused by Car Air Conditioning, Symptoms of a Bad or Failing AC Control Switch. 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. These electric car ac compressor offer perfect HVAC solutions to people using them in commercial places such as offices, laboratories, test labs, garment shops, etc. I definitely recommend him. I mean if the thing is running, and the motor is not turning so slowly as to make it stall, and it is not running too fast, then maybe it's all good. It does this to offset the power drawn by the air conditioning system. Guchen GC-EVS series electric scroll compressor adopt DC150V-420V or DC400V-720V voltage, used for all kinds of vehicle air conditioners such as bus ac, sleeper truck cab ac, car ac it also can be used for vehicle battery heating system. http://www.aosmithmotors.com/motornews/default.aspx?id=568, http://en.wikipedia.org/wiki/Revolutions_per_minute#Examples. Honda Accord - Car surges when air conditioning is on - Woodbridge, Virginia. Most cars these days come with air conditioning as a standard feature â gone are the days when it was an expensive extra (for most of us, anyway). A car ac compressor failure will not engage if the ac compressor is bad or failing, and can lead to skipping and loud noises coming from the belt. Over a certain number of years, this stress will wear down the compressor and cause it to eventually malfunction. It was 2hp and ran at 1000rpm, what I needed to use it in my shop was 100psi, since I did not want to change the motor to something bigger, I decreased the rpm to 850 with a smaller motor pulley and got my 100PSI. However, the AC is powered by your engine â the serpentine belt that runs your alternator, water pump, power steering pump and other accessories also turns the pulley for the AC compressor/clutch. Mini Cooper - Water Pump - Santa Ana, California, Pontiac Firebird - Oil is leaking into spark plug well - Orlando, Florida. I found an old cast iron 50 + year old 2 stage air compressor and I was wondering what RPM's I should run it at. Basically I need to know what RPM's I should be running the compressor at. Any AC system requires a refrigerant, such as R-134a. A pressure test with AC on max read into the yellow/red zone. It was maintained great and stuff, but hasn't been run for 40+ years. TBH, keep it well lubricated, and go for it. How long it stays engaged is determined by pressure switches in the refrigerant lines. Bad ac compressor gauge readings. The most popular service booked by readers of this article is Car surges when air conditioning is on Inspection. The reading only went higher. Repairs covered by 12-month/12,000-mile warranty. I think it's a great idea and will use again in the future. 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. It sounds like you may have a severe oil leak that caused the oil burning smell. And cause it to eventually malfunction and he seemed responsive to my little single one... 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