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Acid in Oil
Brand new system! Complete with hot gas bypass. All obvious parts were working. Rotation was correct. No oil pump because it is a pot compressor. I agreed with a seized compressor. Question: If you "cook" the oil due to lack of lubrication, will it break down with an acid component?- Metz
- Post #5
- Forum: HVAC/R engineering
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Acid in Oil
I quoted from the response we recieved from the compressor supplier, who said "Tests performed showed the mmotor windings were within tolerances, no breakdown of winding insulation and no shorts or opens existed with the windings. The valves were also disassembeled and inspected, no...- Metz
- Post #3
- Forum: HVAC/R engineering
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Acid in Oil
How long does it take to develop acid in oil? We had a compressor fail within 20 minutes of startup on initial installation, and compressor supplier said it was due to acid in the oil. System went off on LRA, inspection showed the windings to still be good. We pulled a good vacuum and had a...- Metz
- Thread
- Replies: 5
- Forum: HVAC/R engineering
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Conversion for Discontinued Compressors
I have a job that is using a SABROE SMC3-65 compressor, 6510 kcal/hr at 1700 rpm. This compressor was discontinued about 20 years ago, and I am looking for a replacement. The compressor feeds five evaporator coils in a refrigeration system from freezer to dry stores. I calculate (from the...- Metz
- Thread
- Replies: 3
- Forum: HVAC/R engineering
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