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Thread: sight glass
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16-06-2006, 08:36 PM #1
sight glass
Hi all
I have a sight glass after the condenser, when i run the system(R22) i see nothing. Also, the system doesnt seem to be cooling.
What does that mean? Am i supose to see liquid in the sight glass. I am a studnt working on a project. Plz help a lad out
I am using a rechargable cyclinder. Do u think i have no charge or very little. when i release charge from the cylinder i here a hiss so i think it has charge in it.
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16-06-2006, 10:54 PM #2
Re: sight glass
I should do a little more reading before you start doing anymore.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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16-06-2006, 11:03 PM #3
Re: sight glass
i know
but can u help me out. should i see liquid in the sight glass. It looks clear to me. Does that mean there is liquid going thru
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16-06-2006, 11:32 PM #4
Re: sight glass
It could be clear full or clear empty????
How would we be able to tell from the other end of a pc?
Switch the thing off and wait 5 mins, now while watching the SG turn it back on again and watch it.
Also DO NOT release gas to the atmosphere.
ChillinIF AT FIRST YOU DON`T SUCCEED.
DESTROY ALL EVIDENCE THAT YOU TRIED!
and go get a cuppa
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16-06-2006, 11:44 PM #5
Re: sight glass
If a sight glass is full then it has a slight magnifying effect so that the metal inside seems to 'glow' a bit.
After the system has started you should see some liquid/froth before you get it full. If you are short of gas then you won't see anything moving .Brian - Newton Abbot, Devon, UK
Retired March 2015
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17-06-2006, 06:23 PM #6
Re: sight glass
Is this anything to do with your ealier post to the forum about a compressor running dry.
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17-06-2006, 11:14 PM #7
Re: sight glass
glad to say that the system is cooling. The rechargable cyclinder i was using didnt have much charge so i used another cylinder that was lying around
thanks for the replies
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17-06-2006, 11:20 PM #8
Re: sight glass
Originally Posted by daleworne
It sounds like a Mickey Mouse education centre that you are using, I wonder what gas was in the second cylinder Should I start a poll ?Brian - Newton Abbot, Devon, UK
Retired March 2015
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17-06-2006, 11:25 PM #9
Re: sight glass
it said r22 on the cyclinder
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17-06-2006, 11:31 PM #10
Re: sight glass
Originally Posted by daleworneBrian - Newton Abbot, Devon, UK
Retired March 2015
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17-06-2006, 11:43 PM #11
Re: sight glass
how can u check if it has r22 in it?
can u explain plz thanks
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