Originally Posted by
PaulZ
Hi Anil
To get an answer to this problem we need some more information on the system.
When you changed the oil did you do anything else?
What is this compressor operating on, storage freezer, blast freezer or is something much colder?
You say you have a LP of -0.6 bar this is a suction temperature of -64 oC, is this correct for the system?
The difference between LP and MP is ok, if this is air cooled then the discharge pressure of 12 bar is a bit low.
The more information you provide the better.
Paul