[Opera-CONNIE] Fwd: Pump picture

Wed Jan 14 16:09:35 BRST 2015

As per the manual , unplug and wait 2 minutes to de charge the capacitors before beginning the fuse check

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On Jan 14, 2015, at 12:05 PM, "Juan Estrada" <estrada at fnal.gov<mailto:estrada at fnal.gov>> wrote:

Is the fuse the next step?

On Jan 14, 2015, at 12:03 PM, Alejandro Castañeda <ale.cas.vaz at gmail.com<mailto:ale.cas.vaz at gmail.com>> wrote:

We tried but it didn't work.
The I/O button was green.

2015-01-14 15:51 GMT-02:00 Guillermo Fernandez <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>>:
Ok, we'll try this.

On Jan 14, 2015, at 2:46 PM, Kevin R Kuk wrote:

Yes, I just tried it here and it runs when plugged direct.

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On Jan 14, 2015, at 11:41 AM, "Guillermo Fernandez" <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>> wrote:

yes, that's right.
Should we try to connect it directly to the line? is that connector a PC connector?

On Jan 14, 2015, at 2:32 PM, Kevin R Kuk wrote:

I measure 110 volts at the rougher and the minimum  spec is 90v.

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On Jan 14, 2015, at 11:22 AM, "Alejandro Castañeda" <ale.cas.vaz at gmail.com<mailto:ale.cas.vaz at gmail.com>> wrote:

We measured 82.7V at the rougher.

2015-01-14 15:09 GMT-02:00 Guillermo Fernandez <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>>:

Begin forwarded message:

From: Kevin R Kuk <kuk at fnal.gov<mailto:kuk at fnal.gov>>
Subject: Re: [Opera-CONNIE] Fwd: Pump picture
Date: January 14, 2015 1:46:48 PM GMT-03:00
To: Guillermo Fernandez <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>>

I was interested in voltage at the rougher . Measured by removing the power cord going into the rougher (see the earlier picture). This would help understand if it is the HiCube or the rougher.

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On Jan 14, 2015, at 10:40 AM, "Guillermo Fernandez" <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>> wrote:

Kevin,
the switch selector is in the "115" position, and the measured voltage in the cord of the vacuum pump is 120V which seems to be in the voltage range: manual MVP 015-2, page 10. This power is coming from the UPS.
Guillermo

On Jan 14, 2015, at 1:10 PM, Kevin R Kuk wrote:

Is There 110 volts on the input to the rougher at the end of the AC cord into the Rougher?

From: Santa [mailto:juancruzestrada at gmail.com] On Behalf Of Juan Estrada
Sent: Wednesday, January 14, 2015 10:03 AM
To: Guillermo Fernandez
Cc: <opera-connie at listas.if.ufrj.br<mailto:opera-connie at listas.if.ufrj.br>>; Andrew G Lathrop; Kevin R Kuk
Subject: Re: [Opera-CONNIE] Fwd: Pump picture

Maybe the problem is in the fuses?

On Jan 14, 2015, at 9:44 AM, Guillermo Fernandez <fmoroni.guillermo at gmail.com<mailto:fmoroni.guillermo at gmail.com>> wrote:
Hello,

Response to Juan suggestions:

1) loose ac plug to the backing pump. See the grey cord in the attached picture, it should have
a latch holding the plug in place.
all the cables seem to be in the right place and well attached

2) the green I/O switch on the backing. This switch could be hard to see, look at the attached
picture.
the green switch on the backing pump is ON.

Questions:
1) does the turbo pump get to full speed?
2) what is the vacuum gauge measuring?
the gauge is measuring 22mbars. We didn't let the turbo pump to run for a long time in case the high pressure (22mbars) produce some damage on it.
Do you want us to try it?

Guillermo

On Jan 14, 2015, at 12:04 PM, Juan Estrada wrote:

Hello

we are looking at a pump exactly the same as the one you have in CONNIE.
The only way we can get the turbo pump to spin without turning ON the backing
pump is by disconnecting the AC power to the backing pump.

We can imagine two ways to do this.
1) loose ac plug to the backing pump. See the grey cord in the attached picture, it should have
a latch holding the plug in place.
2) the green I/O switch on the backing. This switch could be hard to see, look at the attached
picture.

Questions:
1) does the turbo pump get to full speed?
2) what is the vacuum gauge measuring?

Thanks,
Juan

Begin forwarded message:

From: Kevin R Kuk <kuk at fnal.gov<mailto:kuk at fnal.gov>>
Subject: Pump picture
Date: January 14, 2015 at 8:57:18 AM CST
To: Juan Estrada <estrada at fnal.gov<mailto:estrada at fnal.gov>>

<image.jpeg>

<image.jpeg>
Sent from my iPhone

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