deli case

HVAC questions and problems within commercial installations.

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deli case

Post by nedy1975 » Tue Mar 26, 2013 11:10 pm

Can anyone explain to me why the compressor is running normally with the manifold gauges connected and when I disconnect them compressor wont start. When I got gauges connected it runs normally. Cuts in and out perfect with low pressure control. But when I disconnect gauges and try to run it, nothing happens. Someone Please?

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Post by Freon » Fri Mar 29, 2013 3:54 pm

When you have the gauges connected, what are your pressures. When you sat the compressor won't start, explain exactly what happens. Can you hear the contactor close. Does the compressor even try and start.

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