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Why would your air conditioner have a normal to slightly high suction pressure and low head pressure with a 3 to 5 degree temperature difference?
What you're describing sounds suspiciously like a worn compressor.
Why is a solar powered air compressor a thermodynamic impossibility?
It's not impossible at all. It would be the same as saying an electric powered compressor is impossible. How a compressor is powered is irrelevant.
Why would the water temperature of the shower change to very hot from lukewarm even when no other taps or toilets are being used in the apartment?
If you have an old complex built pre 80's, you may not have pressure balance shower valves. Replace existing valve with a new pressure balance valve. The problem is most notable in second and above floors, but can occur at the ground level as well. Setting at the water heater has been chaged. This most probably due to the thermostat being faulty. It can no longer regulate the tempreature which causes the heat of the water to spike.
For an external oil cooler for example can a freon compressor be used to pump engine oil?
No. The purpose of a compressor is not to cool it is to compress. A freon compressor keeps freon under pressure to restore its liquid state. If you tried to run oil trhough it the compressor would probably blow up pretty quickly because you can't compress a liquid. You can compress a gas to a liquid but it won't compress beyond that. For an external oil cooler go to a junk yard and get a heater core or even a factory oil cooler from a transmission.
What would stop freon from flowing into the low pressure port during a needed recharge-the clutch is engaged on the compressor and the max air is on-gauge shows low pressure but freon won't flow?
If the clutch is engaged & turning, there should be no problem getting freon into the system, unless the orifice tube is plugged.
If a compressor has faulty valves the head pressure?
the pressure would be low
Why would the air conditioning compressor on a 1999 Chevy Cavalier not come on?
Low on freon, faulty pressure switch, faulty clutch. Jumper the low pressure switch with a paperclip (can running, AC on), if the clutch cycles, it's either low on freon, or the low pressure switch is bad.
Why do some positive displacement compressors have unloader valves?
A positive displacement (reciprocating) compressor has at least 4 valves on each cylinder. 2 intakes and 2 exhaust valves. Unloader valves on these compressors close the intake valves on these compressors so that they do not continue to draw air (or gas) into the system when the operating pressure of the system is reached. These unloaders are typical pressure switch controlled solenoids that hold the valves shut until released. They prevent overpressurizing the system which would result in safety valves being activated or damage to the system. With the intakes shut no additional air is added to the system and the compressor continues running unloaded, alternately compressing and uncompressing the air remaining in the cylinders. A positive displacement (screw) compressor unloader valve operates similarly, shutting off the intake air to prevent overpressurizing the system. A centrifugal compressor does not require the unloader valve as it will not continue building pressure beyond its rated capacity.
Why would you use 3 port valves on fire system riser pressure indicators?
why would you use 3 port valves on fire system riser pressure indicators
What would cause you to have low fuel pressure on a 1991 Chevy S10 blazer?
A plugged up fuel filter, a faulty fuel pressure regulator or a faulty fuel pump.
How do you overhaul marine air compressor?
To overhaul a marine air compressor, you would first remove and replace hoses and fittings that are cracked or damaged. Valves can be checked for leakage and replaced when damaged.
Have 1999 Dodge Ram 5.2. AC cuts out at high engine rpm. Compressor replaced. What could this be?
Possibly a faulty high pressure switch. It would help to know exactly what it's doing, and also to measure the system pressures, as there could be a blockage in the system which is causing the pressure to read excessively.
What would cause the AC compressor of a 2005 Toyota Tacoma not to turn on besides a fuse?
Check the Freon pressure first. The AC compressor will not turn on if the Freon pressure is too low.
Where can one buy an air compressor pressure switch?
An air compressor pressure switch can be bought at your local electronics store, such as Best Buy. An agent would be happy to direct you to a purchase.
A refrigerator with a freon restriction would have what symptoms?
High head pressure; low suction pressure; overheated compressor
At normal condition how does a compressor start and stop?
A pressure switch would activate the compressor's motor starter. When the pressure drops below a set 'low' limit, the motor powering the compressor turns on, when the pressure reaches a set 'upper' limit, the unit turns off...How's that for "Straight Forward"?
What would stop the ac compressor from turning on in a 1996 Pontiac Sunfire?
low freon, bad pressure switch, bad compressor clutch.
