My guess is that 5-10% of you know plenty about chillers, and you don’t need to sit in our Air Flow/Dunham Bush Chiller class.
For me, I look at a chiller in a mechanical room and get mad at myself because I can’t identify the components without a notepad and a few minutes to scribble down the refrigeration process. I’m screwed if the pipes aren’t labeled.
Perhaps, my friend, you feel the same way.
Sure, you can go online and find plenty of tutorials. But have you?
So, I’m putting this class content together for you, non-chiller nerds.
Below is a sample of my question list. Send me yours; there’s time to add it.
Question 1: As a designer, am I sacrificing a lot of energy savings going to air cooled from water cooled? I prefer to be accurate but there’s not enough project time to research this.
Question 2: When and how should I consider my decision between scroll, screw, and centrifugal chillers? If I could cover a load with all 3 types, how shall I go through and decide?
Question 3: I am selecting chillers for performance, but then end up with a chiller that causes a problem with property line noise. Am I better off with an acoustic wall or treating the chiller components with blankets?
Question 4: I always hear about oil management. Can you explain it to me, along with chiller maintenance and how a magnetic bearing chiller might change things?
Question 5: I understand I can use free cooling with a chiller. How does it work and what do I need to do as an engineer or contractor to allow that to happen?
Question 6: If I need to service a chiller, what do I do with the refrigerant?
Question 7: How do I use the IEER ratings to determine if i should upgrade a chiller from one model to another?
Question 8: At what size should I start thinking about water cooled?
Question 9: Is there a down side to using Dunham Bush?
Question 10: What is a safe turn down for a chiller? Is it similar to turn down limits for fans and pumps?
Again, send over any questions you may have.
See you online.
Tom
You’re Invited to
“The Chiller Class You Probably Need”
This is a remote attendance class only.
When: September 16th, 2025 10:00 AM – 12:00 PM CT
Topics:
Chillers: Chiller basics, refrigeration process, component identification, and piping.
Dunham Bush product line: Overview of the Dunham bush chillers.
Facilitator: Ahmad AbdulAziz, MBA | Mechanical Engineer
PDH Credits Available: 2
