John Lewis

John Lewis

Blog by John Lewis

Three compressors a year, traced to one setpoint
Offshore, South Africa, 2024. Three compressors a year on a 385-ton screw chiller, traced to one condenser water setpoint. Two years on: zero compressor failures.
John Lewis
22.09.26 08:24 AM - Comment(s)
A new plant that could not pass its air test
Industrial, Denmark, 2026. A new chilled water plant stuck at commissioning, brought under 4% air and through handover. A permanent air separator keeps it there.
John Lewis
22.09.26 08:20 AM - Comment(s)
Short-cycling chillers on the Norwegian Continental Shelf
Offshore, Norwegian Continental Shelf, 2026. A short-cycling Carrier 30HXC screw chiller traced to pump and controls issues. Faults stopped, with roughly 20% projected energy savings.
John Lewis
21.09.26 06:40 PM - Comment(s)