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Refrigeration 101 |
Jul 05, 2009 - 5:21 PM - by Gary
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I was thinking it might be a good idea to set up a basic thread to send the newbies to:
Refrigeration 101:
Let's start from the beginning:
Wet your finger and wave it in the air. What you are feeling is a refrigeration effect. When a liquid turns to a vapor it... [Read More]
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110 Replies | 10,316 Views
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Refrigerated display case evaparator fans |
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Dec 13, 2003 - 5:28 PM - by Mark
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hello everyone
A few manufactures have changed from the conventional a/c case evaparator fan motors.
Ive found that the prefered motor is a fixed blade 230v DC motor ,
The advantages are :
1)2 speed (night operation).
2)programming interface for setting of motor speeds (... [Read More]
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49 Replies | 15,218 Views
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System opened for long time - needs new oil? |
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Nov 21, 2009 - 7:43 PM - by Z2TT
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Hi,
From what I have read PAG oil is hygroscopic and absorbs moisture and can form corrosive acids. My System has not had gas in it since It's opened up to fix some leaks, it has been like this for a few weeks now. Wouldn't moisture have entered and been absorbed into the oil now? and form... [Read More]
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2 Replies | 19 Views
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