HVAC Triple Evacuation
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Uploader Comments (DrZarkloff)
All Comments (91)
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Totally wrong. Micron gauge can't be connected to your manifold gauges. you must have it directly to the high or low side service valve on the system to gat a micron reading of the system. You have to buy the shut off kit available from JB to totally isolate your manifold gauge and have just a micrometer reading at the system. This way if the system holds under 500 microns, there is no moisture or leaks any you are goodto charge with freon. No need for nitrogen. MORON
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I'm always afraid of blowing pump oil all over the place when n2o is being hooked back up to my pump. I also noticed you connect your vacuum gauge right at your gauge manifold. Shouldn't you be connecting that as far away from your service valves as possible to get a more accurate reading?
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what the filter dryer it has to be replace it befor adding any freion to the system
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You couldn't possibly be any more incorrect with this! You must pull down to 500 microns NOT 28" . And when you are purging with nitro you should ALWAYS bleed the line first! If you can't do it correctly don't post.
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Wow .
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can this also be done with CO2 ?
bobl78 6 months ago
@bobl78 Most definitely yes.
DrZarkloff 5 months ago
THANKS for the shout out I am working HARD at San Jose City college. I have one more semester left and I will be done with school and get my second certificate and also recieve my Associates of Science Degree in Ac and Refrigeration. As of right now I have my EPA card and first certificate and am very thankful to have been able to take these classes.
ILBEATUDOWN 10 months ago
@ILBEATUDOWN Cool. Keep the interest.
DrZarkloff 10 months ago
All the while the service manager is screaming, the day is getting hotter, and then you realize evac, purge, evac, dryer, charge and gone sounds better and better.
JohanasBilderberg 1 year ago
@JohanasBilderberg lol. I know that triple evacuation isn't really standard procedure on a busy day. It's weird how the a/c manufacturers expect their systems to be installed in such a time consuming manner.
DrZarkloff 1 year ago