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Q: When under a deep vacuum the motor winding of a hermetic refrigeration compressor will?
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How can a hermetic compressor be tested for efficiency?

There are a few ways to test a hermetic compressor for efficiency.Compressor Vacuum TestClosed-Loop Compressor Running Bench TestClosed-Loop Compressor Running Field TestCompressor Running Test in the System


How can a compressor be tested for efficiency?

There are a few ways to test a hermetic compressor for efficiency.Compressor Vacuum TestClosed-Loop Compressor Running Bench TestClosed-Loop Compressor Running Field TestCompressor Running Test in the System


Can you vacuum from the high side?

One can apply vacuum at any point in a refrigeration loop to evacuate air and moisture. The compressor is not running during this time and so it doesn't matter.


Does vacuum-packed Parmesan cheese require refrigeration?

yes


Best leak detection test is when refrigeration system is?

A vacuum


What do you check before you charge the refrigeration unit?

that theres a vacuum on it


Recycling or recovery equipment using hermetic compressors has the potential to overheat?

They have the potential to overheat when drawing a deep vacuum.


How many psi gas charge in a refrigeration compressor?

I fix Coke coolers and vendors usually r134a and r 12 134a is 20 pressure and 12 14 to 16 alot easier to add with scale after pulling a vacuum


How do you recover refrigerant in a refrigeration system?

Use a vacuum pump that pulls it into a tank.


Can a vacuum pump get all the foreign matter that enters the refrigeration system?

no. vacuum pump lowers boiling temp of water, allowing moisture to leave system as vapor. contaminated oil (such as from a compressor burn-out) and particles of carbon, etc. must be flushed out with rx-11 and high-pressure nitrogen. filter-driers must be installed.


When pulling a vacuum on a refrigeration unit how many microns should you pull it down to?

500


How does vacuum pump force brake fluid through the lines?

Screw taking special vacuum brake system is in the winding cursed the brake.