ASHRAE NAC November Meeting - DX System Design 101

Speaker Bio:

· Attended the Humber College School of Technology and obtained a 3 year technologist diploma in Energy Management.

· Worked at the college in the HVAC&R lab for several years before joining Danfoss as an application engineer.

· Worked in technical positions around the world to learn the different considerations that each region requires to achieve its air treatment needs whether it is in refrigeration, air conditioning or heating and humidifying

· Field Service Engineer supporting national OEM accounts for 3 years

· Following this, accepted a position as an account manager for large OEM accounts in Canada and the US.

· Now the National Aftermarket Account Manager for Canada

Topic Summary:

This seminar provides a focused introduction to advanced concepts in direct expansion (DX) refrigeration system design, tailored for engineering professionals seeking to deepen their expertise in HVAC and refrigeration technologies.

Key Topics Covered:

• Refrigeration Cycle Fundamentals:
  Understand the core principles of the refrigeration cycle and its practical applications in modern engineering.
• Metering Devices:
  Compare adaptive metering devices with fixed orifice designs, exploring their impact on system efficiency and control.
• Load & Ambient Effects:
  Analyze how varying load and ambient conditions influence mass flow rates and overall system performance.
• Pipe Sizing & Oil Return:
  Learn best practices for pipe sizing to balance pressure drops and ensure reliable oil return, critical for system longevity.
• Variable Speed Systems:
  Examine the unique considerations for oil return in variable speed systems and strategies for optimal operation.

Know what’s Happening Next — before everyone else does.

Get App

Host or Publisher ASHRAE NAC