Issue:
What causes zinc to show up in screw compressor oil samples and where does it come from?
Resolution:
The Trane chem lab has not been able to determine where the zinc is coming from in screw compressor chillers. There is no zinc to speak of that is in any of the components of the chiller. It is recommended to change the oil if the zinc concentration gets above 50 ppm.
Notes:
Changes:
Other Question/Problem/Cause Statements:
- What causes zinc to show up in screw compressor oil samples and where does it come from?
Facts:
- RTAC
- Air-Cooled Chiller (Pueblo) (RTAA 130-400 Ton)
- Air-Cooled Chiller (Pueblo) (RTAA 70-125 Ton)
- Air-Cooled Chiller (Pueblo) (RTAC)
- Compressor Chiller (Pueblo) (RTUA)
- Compressor Chiller (Pueblo) (RTUD 70-200 Ton)
- Water-Cooled Chiller (Pueblo) (RTHA)
- Water-Cooled Chiller (Pueblo) (RTHB)
- Water-Cooled Chiller (Pueblo) (RTHC)
- Water-Cooled Chiller (Pueblo) (RTHD)
- Water-Cooled Chiller (Pueblo) (RTWA)
- Water-Cooled Chiller (Pueblo) (RTWD)
Document Identifier: DOC-101334
Document Identifier: 101334
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.