Cenco Hyvac
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Fleet Mechanic
Joined: Feb 2009
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From: Nixa
Cenco Hyvac
Well I found this little jewel in a shed that I am tearing down, https://www.google.com/search?q=cenc...nAw9IHM:&vet=1
But I can't find any specific info on it.
It has a short hose with a regular air compressor connector, but has no tank So where does whatever is being vacuumed out go?
Any info will be greatly appreciated.
But I can't find any specific info on it.
It has a short hose with a regular air compressor connector, but has no tank So where does whatever is being vacuumed out go?
Any info will be greatly appreciated.
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Joined: Apr 2004
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Possibly used for industrial or scientific use. If you are actually vacuuming up anything with a pump like that, you have a trap or tank of some sort to keep it well away from the pump.
Think hospital vacuum source or a dairy farm setup. Nothing gets close to the pump.
Think hospital vacuum source or a dairy farm setup. Nothing gets close to the pump.
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Fleet Mechanic
Joined: Feb 2009
Posts: 1,672
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From: Nixa
I thought I found an on-line manual for it, but ended up getting a bunch of crap downloaded on my computer. I just spent the last 10 minutes at least uninstalling all of it.
I guess I'm back to ground zero on my search for info.
I guess I'm back to ground zero on my search for info.
Fleet Owner
Joined: Aug 2010
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From: Reynoldsburg, Ohio
That looks very much like a typical HVAC vacuum pump used back in the day before refrigerant recovery was mandated. It would have been used for nothing more than evacuating a system of new construction or under repair.
Fleet Mechanic
Joined: Jul 2005
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From: Staten Island, NY
You might want to take a close and serious look at your computer. Just clicking on the image in the link causes Norton Internet Security to go ape. Its listed as a known dangerous web site that installs malware.
FTE Legend
Joined: Nov 2015
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From: Angier, NC
I have used that type to pull a vacuum on steam absorber chillers at a hospital I worked at. We did not run them during the winter as our cooling towers were not set up to run during the winters in CT so they would sit for a few months.
During this time the vacuum it would maintain during the running would be lost so at start up for the season we would need to pull a deep vacuum before starting, other wise the chillers would not work.
Till they were on line for a bit, we would have to start & stop chillers (AC) for heat, we may have had to use the vacuum pump a few times on each of the 2 chillers.
BTW 1 was 300 ton the other 500 tons. During the summer we would have both running max out and need to start a 500 ton York centrifugal chiller, it ran on R22, we did not need to use the pump on it in the 15 years I worked there.
Dave ----
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Fleet Owner
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From: Reynoldsburg, Ohio
I worked for Liebert Corp from '73 to '84---we built some amazing one-off custom stuff on occasion notably the chiller for the Lake Placid Winter Olympics---good times! 
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From: Angier, NC
Did you get to go to the lake to set it up?
That would have been cool to say you did that.
After 15 years, last 10 as a fore man and 6 men 24/7/365, at the hospital in HVAC, also in charge of 2 emergency gen sets, in coming power (2 lines), all medical gases, water and in house fire dept. I called it quits and went in to computer repair and desk side support.
Did computers for 15 years and now drive a trailer truck, tanker 10k gal of LP to bulk storage and 26 tons powered cement to cement plants.
Hope to do this till I retire in (I hope) less than 10 years.
Dave ----
That would have been cool to say you did that.
After 15 years, last 10 as a fore man and 6 men 24/7/365, at the hospital in HVAC, also in charge of 2 emergency gen sets, in coming power (2 lines), all medical gases, water and in house fire dept. I called it quits and went in to computer repair and desk side support.
Did computers for 15 years and now drive a trailer truck, tanker 10k gal of LP to bulk storage and 26 tons powered cement to cement plants.
Hope to do this till I retire in (I hope) less than 10 years.
Dave ----
Fleet Owner
Joined: Aug 2010
Posts: 21,253
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From: Reynoldsburg, Ohio
I don't regret my time there---made good money and through Ralph's profit sharing plan I left with enough money to buy an on-going business. Seems like 1984 was just yesterday................
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