Mini Cooper - Water Pump - Santa Ana, California, Pontiac Firebird - Oil is leaking into spark plug well - Orlando, Florida. http://en.wikipedia.org/wiki/Revolutions_per_minute#Examples I mean you can sort of see where this goes. Good service. Any AC system requires a refrigerant, such as R-134a. 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 … It does this to offset the power drawn by the air conditioning system. 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. The A/C compressor has a clutch which is engaged only when the “A/C” button is switched on. Brandon was very helpful, quick and knowledgeable. The labor costs alone are estimated to be just over $200. Bad Car AC Compressor Symptoms. The most popular service booked by readers of this article is Car surges when air conditioning is on Inspection. Replaced the AC compressor. One of the most important is the AC thermistor. Fast, free online quotes for your car repair. Vehicle Info: 93' Merc. 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. 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. Above 1200 RPM, efficiency rapidly increases; at operating speeds of 1800 to 2400 RPM it is about the most efficient pump on the market. 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. 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. The HVAC system is an important accessory, and helps you stay cool in the car when it gets hot outside. 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 are low on refrigerant, it leaked out somewhere. It is natural for your car A/C compressor to cycle on and off. Also ask yourself if you are satisfied with how fast the compressor is pumping air for you? 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. This then causes the RPM to jump back up again and then settle to a comfortable idle speed. 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. These characteristics make the Sanden an almost ideal performance compressor. document.write(new Date().getFullYear()) compared to my little single stage one, but it isn't even close. He was on time and very knowledgeable. … I think it's a great idea and will use again in the future. 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. He took it upon himself to even ride around in my car with me while I pointed out different concerns. Especially since you say you spent a lot of money on this compressor. 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. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 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. While both the heating and AC are connected - to an extent - within your car, theyâre actually... A common issue on the Sierra is a failure of the blower motor resistor. 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. 6000RPM R134A automotive air conditioning 24v 12v electric car ac compressor, US $ 300 - 500 / Piece, 12v dc compressor, 207.7*120.8*179.7mm, 1 year.Source from … Find any Refrigerant Leaks The air conditioning system is closed and should not leak, and the refrigerant also has to … I'm trying to think how you would do that. Maybe some successively smaller pulleys? AC compressors endure a lot of stress. 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. Failing that, I would take it in to someone who's knowledgable with older air compressors and have it fully inspected and serviced. The RPM's are a complete guess based upon the 1725 RPM motor average. 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. Since car air conditioning systems get turned on and off constantly, this power fluctuation puts a lot of stress on the compressor. What I would suggest you do is get a service manual for it (if you haven't already). Youâll also find that the power drawn from the engine has a more noticeable impact with smaller engines. 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. How long it stays engaged is determined by pressure switches in the refrigerant lines. I have a 2000 mercury sable LS sedan. all which can affect how it runs now. Made with ♥ in Silicon Valley. We actually talked about different things, and he seemed responsive to my questions. Bad ac compressor gauge readings. An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. It is engaged and disengaged as needed by an electro magnetic clutch. Mazda 2 - Car is not starting - Westminster, California. Rest assured, an AC compressor usually lasts for 8-10 years, which is typically how long an average car owner would keep the car … So it won't cause any damage by being turned on at speed. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. You see the same thing to a lesser extent when turning on other systems on the car such as the heated rear screen. The AC compressor is powered by your cars engine via a belt. LEARN MORE. 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. It also depends on your acceleration and the year (most cars manufactured after 2000 have a relay that shuts off air conditioning at WOT (wide open throttle)) to ensure ample power for the engine under hard acceleration. 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. A pressure test with AC on max read into the yellow/red zone. Look for oil residue around the hose ferrules, fitting connections at the compressor, condenser, and evaporator or expansion device. 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. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics, Car surges when air conditioning is on Inspection Cost, The statements expressed above are only for informational purposes and should be independently verified. Get contact details and address| ID: 16433177391 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. If you are using the same motor as before, then I can't guess at a reason for the suspected slowness. As to the question of how much power it draws, thereâs 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. If no obvious leak is found, recover the refrigerant and replace the service ports or valves, evacuate and recharge the system, and add dye in case there is another leak. I have already recommended him, and I look forward to actually seeing him in action in the future. AC is cold only when the engine is revving above certain rpm. The high side pressure is too low. TheÂ oil light illuminates due to a loss of oil pressure in the engine. 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. What a great friendly person. The electric car ac compressor are capable of purifying and cooling the temperature of a large room and are also ideal for automotive. How Do Rotor Engines Differ From Regular Engines? 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.
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