Frequently Asked Questions (FAQ) for Air Compressor

Where can I buy an air conditioning compressor?

You can't go to a store and buy one. They must be professionally installed by a licensed A/C contractor. The reason for this is the compressor requires the proper pressures to be set (can only be done with special instruments and gauges) and additional/new refrigerant added. In addition, the refrigerant can not be legally purchased without a license. Compressor prices vary by the tonnage of the system and possibly the area you live in. I suggest you contact a local A/C service shop for more information and pricing

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Adding a hot tub which needs a 220 60 amp circuit

Assuming that the wires are appropriate for 60 amps (6awg copper is rated for 55 amps at 60c and I believe you are allowed to round up to the next higher breaker size, 60 amps) then yes, you can simply replace the old dual 30 amp breaker with a dual 60. (Cap off or remove the old wires running to the 30.)Note that a hot tub requires GFCI protection. This can be done by using a 60 amp GFCI breaker in your panel or by using a GFCI cutoff switch near the hot tub

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How to wire A/C Thermostat given different wiring conventions

It does not seem that the thermostats are compatible, no. Your existing thermostat is designed to control a heat pump with a multispeed air handler:The new thermostat you have is designed to control multispeed air handlers in zoned hot water (hydronic) systems instead -- instead of controlling a compressor and a two position reversing valve, they are designed to control a variable-position hydronic zone valve, typically for heating only as they have no heat/cool changeover system or extra outputs for controlling cooling components

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can I use a small air compressor to draw methane and then route it to my current gas forced air furnace?

Your mixture has the potential to be explosive in nature. The mixture will contain water vapor that can be corrosive to parts of the combustion system. Also it will not be pure methane but will have air mixed in. Probably more air than methane. The cost of the compressor and the supporting system including controls will make it difficult for it to be economical. A compressor and a storage tank of sufficient pressure capacity will cost thousands of dollars without any controls or other equipment.

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If my car's a/c and heat are working fine with no issues; could the air compressor need to be replaced?

the guy to tell that the ac was working was the mechanic. However my guess is he isolated the noise to the bearing in the compressor. It will actually start to get hot or eventually lock up and if if does this while driving the belt will probably break and can damage other expensive parts of the engine. I would go to a local shop besides pep boys Is there not a trusted shop mechanic in your family? Instead of some over advertising money grubbers like pep boys

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Why are there multiple receptacles by amperage?

To prevent plugging in a load to a circuit that definitively can't support that load. That's not to say that (for various reasons) the proper plugged circuit CAN support the load, but it's certain that the improper one can not.Note: In the US at least, the 20 amp plug is seldom used, at least on the load side of things. I have an air compressor that is rated for 20 amps (and boy howdy does it need it), but the plug is the same one for 15 amp circuits

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Why do airliners have pressure bulkheads?

Pressure bulkheads are the primary structure members which combined with a fuselage or cabin provide a sealed pressure vessel and carry the fwd and aft pressure loads when the cabin is pressurized - think of them kind of like the end caps on a cylindrical air storage tanks on an air compressor.As for the aft stairs on a DC-9 or a 727, the stairs are aft of the aft pressure bulkheads and accessed through a pressure door in the aft pressure bulkhead, as in the example from a 727 below

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STI shifter sometimes doesn't catch in cooler weather

The problem is dirt in the mechanism. A blast of WD40 in there should clear matters up and get your shifting working properly.Whatever you do, don't pull apart the mechanism, also try to avoid getting WD40 on the cable/inside the cable outer as that tends to increase cable friction by pushing dirt in and you do not want that.The WD40 product is not recommended for the chain on a bicycle, but for STI shifters it does a good job of getting them lightly lubricated.

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Why dont airports use jetways as an airlock to avoid having to repressurize the plane for every flight?

Below around 8000' MSL aircraft pressurization is roughly equal to the outside air pressure. Since most airports are below this elevation, there is no pressure differential once the airplane is on the ground, therefore no need or even possibility for an airlock.It takes very little bleed air to pressurize when airborne so there isn't a significant cost in doing so. Furthermore, jetways aren't sealed so the additional cost in equipment and procedures to implement this plan even if it were possible or desirable would far outweigh any savings

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What's the right tool for painting joist bays in my basement?

A true paint sprayer (spray gun, air compressor, etc) is the fastest option in nearly any household painting project (aside from trim).The airless systems that run via electricity like the wagner system isn't nearly the same thing. I used that system to paint our picket fence and while it was faster than brush alone, it wasn't THAT much faster and not nearly as fast as a true spray gun would have been. So, I suggest that now is a perfect excuse to invest in a serious air compressor! ;)

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Choosing a Solid State Relay for an AC air compressor application

Finding a suitable SSR should be fairly easy based on your requirements. Look on amazon, ebay, and automation direct for reasonably priced options.Parameters:AC or DC output. You want AC.Zero crossing or not. This only applies to AC output SSRs. Just get zero crossing unless you know otherwise. Zero crossing minimizes the heat generated during switching by waiting for the AC voltage to hit 0 to switch. The only time you don't want this is if you're creating some kind of wave chopping dimmer circuit

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Can an air compressor be enclosed in a noise proof closet?

It is certainly possible to reduce the noise produced by the compressor to a reasonable level. It is also possible that there is a city noise regulation. These typically don't give businesses any extra allowances just because they need a piece of equipment to run their business. Bill correct that the air intake is a big contributor to the noise and since the compressor probably runs at a fixed speed. A properly designed muffler can be very effective in cutting down that portion of the noise.

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How much condensation is in an air compressor?

There will be no condensation in the compressor during the compression phase. This is because the air is subjected to (adiabatic) heating by the compression process. Its relative humidity will therefore drop going through the compressor and gradually rise again when it cools in the receiving tank. This process will not produce any condensation. The opposite process of expanding damp air from a high to a lower pressure will cause it to cool down and condensation of water vapour in the air may occur

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What does tire size have to do with the capabilities of an air compressor?

Checking the spec sheet on line it appears the duty cycle of the Viair 84/85P Model is only 20 minutes. This is the reason for the tire size limitations. Basically they are trading off a low performance long running duty cycle for short term performance. You have to ask if you want a pump that will take 60 minutes to fill a tire, but could do it all day or a pump that can fill up a tire in 20 minutes but then has to cool down before the next 20 minute cycle

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How should I troubleshoot a refrigerator that is not cooling?

Check to see if the freezer side is working. Often times the cold air comes from the freezer side via vents/holes going from the freezer to the fridge which can be adjusted. If the freezer side is working and the fridge isn't, it's likely these are completely closed or maybe blocked by items in the freezer covering them.

This may not be your exact issue. But, I'm adding it as an answer because I'm sure it will be the source of the problem for many others

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What size AIR COMPRESSOR for AUTOMOTIVE JOBS?

Go to Harbor Freight. They compressors list what they can be used for. When in doubt, err on the side of bigger. If you get a smaller one, it will fill up faster but it will run out sooner and you will constantly hear the motor running which is annoying. I worked in a shop with two mechanics and they used a tank that was about 6 feet tall- even still, the motor ran every hour or so to recharge it. You can ever go too big in y opinion

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Oil Free Air Compressor Life Span?

Like all air compressors life expectancy it determined by how many hours the compressor runs, how hot the ambient air is and how well maintained the unit is. One thing to bare in mind is that most air tools have very high air requirements and these small air compressors really struggle to operate the tools for any lenght of time. Typically if every thing is running fine and the compressor is not in a hot environment the compressor should run for about a year without any problems.

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What type of air do you use for airbrushing?

the cans of compressed air are good for small projects and occasional airbrushing but they quickly add up with bigger projects and don't provide a consistant air supply a small air compressor will work nicely for any project many have a built in regulator for adjusting the outlet pressure and just plug into the wall and only run when charging up the tank they can be noisy so if you have a late night project you might want to charge up the tank before sundown

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No power to garage after cleaning fuse contacts and shorting a main circuit

You probably blew the cartridge fuse, the one that looks like a shot gun shell, non contact testers may see a voltage on an opened fuse of this type as the material inside to reduce the arc flash can be slightly conductive, no real current is available but enough voltage to trip the non contact tester this is why nothing is working. Try replacing the fuse or get a volt meter and measure across the fuse a good fuse will show 0 volts across it but an open fuse 120 across

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How can I determine the heat flow for an air compressor tank during filling and emptying?

sure you are able to convert it, in spite of the shown fact that it particularly is designed to compress a refrigerant, no longer air. This makes it inefficient besides as sluggish. additionally, you ought to do away with the refrigerant at a sequence internet site. the quantity of money this would fee you would be plenty greater desirable than it would to bypass on your place fix save and purchase an air compressor with an 8 gallon tank with each and all the fittings and hoses lined

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Do some air compressors have adjustable pressure settings?

Suggest you can control the tank pressure by adjusting the pressure switch on the compressor. If you set the pressure higher then the Maximum allowable for the tank you may blow up the tank if the safety valve does not open or is missing.Be certain that the safety valve is not missing and working properly. Be certain to read compressor manual and follow instructions precisely. The other better method (I feel) is to install a adjustable pressure regulator on the air line exiting the tank

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Do I need to clean my miter and table saw after each use? closed

I think this falls under the "it's true, but doesn't matter" category. Motors will operate at their peak efficiency when clean, but it takes a lot of dust build up before the performance or longevity would be impacted.Personally, I clean off my tools prior to storing them, just because I like to keep things neat. My Dad used the same miter saw on construction sites for years and the only cleaning it got was what fell out of it when he put it in the truck

Frequently Asked Questions (FAQ) for Air Compressor 1

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Do I Have to Drain Out All the Air Out of My Air Compressor When I'm Done Using It Or Just the Water
Feel free to leave the air in there, that is what the tank is designed for. Let it drain until you do get some air coming out, this will insure you get out all of the water. Remember, stored air is stored energy. When you let the air out you waste all the electricity it took to make it.1. Does a compressor still run when the heat is on in your car?Your A/C compressor will only be engaged with either the A/C is on or the defrost function. It will not engage with the heater on, or the fan2. I have a 2003 dodge stratus ac compressor wont turn on?I've got good news and bad news. This can be fixed, but it needs to go to an A/C shop. The A/C draws an ENORMOUS amount of amperage to start the compressor. Once the compressor is on, then you will be drawing much less current. You must stop now, before you overload the entire electrical system and burn through batteries like match sticks. DON"T screw with the compressor itself. It has coolant under pressure which could blind you, seriously!.3. Air condition repairman installed a surge protector as part of a repair on a compressor?No, a surge protector would only be installed on the line side of the system to protect the entire unit. Same way a multi strip surge plug is used in one location for computers, fax's, printers and modems, ect... Sounds more than likely they installed a Wagner Torque Plus relay used for hard starting older compressors with extra starting torque or should have?4. how do you know if a broken refrigerator is the thermostat or the compressor. the motor is runnin , not cold.?the thermostat is what controls the temperature in a refrigerator, thus in relation to you question your thermostat has gone bad. this can easily be replaced5. How to find out if an house AC unit compressor is working?An easy way is to feel if the larger copper line is cold and the smaller one is warm. Also, you can hear it. If the air is not cool, the condenser may have no power. You will need voltmeter or multimeter to test it. See if the breaker has tripped.6. does anyone know a compressor for a mercedes benz C 280 1995?Clk,slk and c200/230 are all supercharged. You will also need an auxiliary belt, maybe an inlet manifold and possibly the ecu re written to include the compressor. Unless of course you were asking about an aircon compressor, in which case you just need to match the numbers on your old unit. In either case try breakers and merc specialists.7. 2007 Toyota Yaris, 8k miles, air conditioner has stopped working?I have an '06 Corolla and had a similar problem. Vents open, blower on, temp set to 50% cold, only it was not getting cold....then I realized that I forgot to press the "AC" button to turn the system on. ...so is it possible you might have forgotten to press the AC button? If that is not the case, it is most likely a refrigerant leak in one of the hoses. All it takes is a microscopic pinhole to cause this sort of problem. The leak can also be from a malfunctioned part in the A/C system, probably the coil or compressor. In the case of the A/C system, Toyota does not make those parts so they have to rely on the supplier to provide quality parts.8. Why does my compressor bog down at low pressure?This is the same thing that happens when you use an extension cord of insufficient gauge to power a compressor, as you say, it's insufficient power. Of course, it will try to pull sufficient power, and if it succeeds, probably light the extension cord on fire9. My central air isn't cold. The outdoor compressor ran all day but the blower didn't. Is my compressor broken?If the condensing unit ran all day without the blower, there's a very good chance the evaporator coil is a block of ice. How long did you give the coil a chance to thaw out before you turned the A/C back on after repairing the shorted wire? If you did not give it long enough, go to the thermostat and turn the system off. Set the "on/auto" switch to "on" so that just the blower runs. You might need to let it run a few hours to ensure all the ice is off the evaporator coil. Then, you can put it back to auto and turn on the A/C
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