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Thread: carrier 30gx chiller EXV problem
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26-06-2015, 11:20 AM #1
carrier 30gx chiller EXV problem
Dear all.
we have a carrier 30gx chiller its expansion valve is not opening,we try through test its opening .but in normal condition its not working please help me to fix this
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26-06-2015, 07:59 PM #2
Re: carrier 30gx chiller EXV problem
Have you checked if the low pressure transducer and superheat probe is showing correct values?
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27-06-2015, 04:52 AM #3
Re: carrier 30gx chiller EXV problem
suction pressure and superheat are showing actual values
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27-06-2015, 09:10 AM #4
Re: carrier 30gx chiller EXV problem
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27-06-2015, 12:57 PM #5
Re: carrier 30gx chiller EXV problem
How did you test the exv?
the water inlet/outlet probes are also showing correct values?
Is there a seperate fuse for the exv?
Have you checked the sub menu that the exv is requesting opening and measured the signal given to the exv?