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gramcor
06-07-2016, 09:32 AM
Hi,
I have one chiller FOCS2/K 3902 with Bitzer compressors CSH2583 and one of compressors have - only for 1 second , un metallic sound when it stops normal.
All is OK with pressure , temperature , noises when compressor run .

I hope that this noise does not indicate a faulty compressor early.
If you've encountered the phenomenon , please , help me with information.

Many thanks

daniel25486
06-07-2016, 10:37 PM
At start or stopping? Or during work?

gramcor
07-07-2016, 02:06 PM
At normal stopping , and not an every stop .
I recorded the sound but did not know how to attach registration .

goshen
10-07-2016, 12:44 AM
Hi
This noise is probably the non return valve at the discharge port.
Good luck

gramcor
30-11-2016, 08:36 PM
Hi
I replace the non return valve .
The noise is same . Only at normal stopping .
Have you any ideas ?

Thanks