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Thread: Dorin Semi hermetic Compressor
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29-06-2007, 05:03 PM #1
Dorin Semi hermetic Compressor
We have installed two nos. of Dorin make model K 2500 CB semi hermetic compressors for a - 40 Deg. C Te job. The compressors have working very nicely. After some time it was found that one of the water cooled condensers have leaked. Inspite of our asking the owners not to run it till the condenser is replaced, they ran the unit, resulting in moisture getting into the system. One of the valve suction valve reed broke. We got the same replaced. Had the complete system dehydrated, flushed, cleaned etc. Changed the oil, refrigerant and the filter drier. The compressor ran perfectly well for some days, then it started createing a new set of problems. Now one of the heads get heated up and compressor trips off. This is the head whose valve reed were changed. The compressor has a DTC for controlling the discharge temperature. The other two heads are absolutely cool. The discharge pressure is 180 psi and the suction pressure is 5 psi. It is operating with R 22.
Has any one worked on this particular model of Dorin compressor. Could some guide us as to what could be the problem. We have asked the Dorin to send us a new valve plate.
An immediate solution is requested.
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