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In this first part of a two-part episode, we're diving deep into oil management for CO2 refrigeration systems with Alessandro Silva, Senior Application Engineer at Bitzer. Alessandro covers what technicians, designers, and engineers need to know about oil management, including lubrication systems, oil functions, oil protection, as well as proper tools and gauges, oil level management, controls and a ton of troubleshooting tips for service techs to better understand oil management for CO2 systems. You can also follow along this webinar on our Refrigeration Mentor YouTube Channel here.

In this episode, we discuss:

(07:49) Lubrication Systems

(10:10) Oil Functions and Safety Controls

(12:43) Measuring Oil Differential Pressure

(13:21) Tools and Safety for CO2 Service

(18:07) Oil Grades and Application Ranges

(20:22) Oil Circulation Basics

(21:46) Choosing CO2 Compressor Oils

(22:36) Oil Change Intervals

(25:04) Oil Testing Limits

(27:12) Acidity And CO2 Degassing

(32:20) Basic Oil Management Layout

(36:48) Low Pressure Reservoir Setup

(38:41) CO2 Cascade And Pumped Systems

(40:39) Cascade Heat Exchanger Placement

Helpful Links & Resources:

Episode 247. Oil Management with Patrick Gregory

Episode 11. Bitzer CO2 Compressors with Phil Boudreau

Bitzer PV