View Full Version : carrier 30gx chiller EXV problem
anish
26-06-2015, 11:20 AM
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
Kenneth199
26-06-2015, 07:59 PM
Have you checked if the low pressure transducer and superheat probe is showing correct values?
anish
27-06-2015, 04:52 AM
suction pressure and superheat are showing actual values
RANGER1
27-06-2015, 09:10 AM
http://www.hvacc.net/pdf/carrier/30g,h-3t.pdf
Kenneth199
27-06-2015, 12:57 PM
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?
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