HVAC System Breakdowns for Managers to Avoid Catastrophic Shutdowns - Clayton & Robert Part 2

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Clayton Cassady, President, and Robert Laframboise, Vice President, Class A Operator at RC Mechanical Canada, about industrial ammonia refrigeration systems and the role of plant operators. They explain how ammonia plants work, common system pressures, direct and indirect refrigeration, operator training, control room duties, system redundancy, emergency response, and how proper operation helps keep products safe while supporting reliable plant performance.

Gary, Clayton, and Robert discuss how industrial ammonia refrigeration plants operate and what it takes to keep them running safely. They explain direct and indirect refrigeration systems, common operating pressures, operator training, control room responsibilities, system redundancy, emergency response, and how proper plant operation helps protect refrigerated products and maintain reliable performance.

Expect to Learn:

• How direct and indirect ammonia refrigeration systems are used in industrial facilities.

• What operators monitor in the control room to keep refrigeration systems running safely.

• How operator training prepares workers for plant operation, safety, and certification exams.

• Why redundancy and spare parts are important for protecting refrigerated products.

• How operators respond to power failures and other plant emergencies to keep systems operating.

Episode Highlights:

[00:00] - Sponsor: Factory Direct Filters ad

[00:42] - Intro to Clayton & Robert in Part 2

[01:58] - Direct vs indirect refrigeration systems

[03:09] - Ammonia pressures: discharge 150-180 PSI, suction 30–35 PSI

[03:48] - Secondary refrigerants used in hockey rinks & production

[06:45] - Hockey rink economics: costs, declining ice time, dry-pad growth

[08:02] - Operator training: 10-week program covering theory, safety & exams

[13:00] - Redundancy: multiple compressors & spare parts

[16:29] - Emergency shutdowns, power failures & system restarts

[18:59] - How to contact RC Mechanical & upcoming textbook

This Episode is Kindly Sponsored by:

Cintas: https://www.cintas.com/hvacknowitall

Cool Air Products: https://www.coolairproducts.net/

Factory Direct Filters: https://www.factorydirectfilters.com/

SupplyHouse: https://www.supplyhouse.com/tm
Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guests Clayton Cassady and Robert Laframboise on:

LinkedIn Profile - Clayton: https://www.linkedin.com/in/clayton-cassady-04a484205/

LinkedIn Profile - Robert: https://www.linkedin.com/in/robert-laframboise-805100204/

LinkedIn - RC Mechanical Canada: https://www.linkedin.com/company/rc-mechanical-canada/

Website - RC Mechanical Canada: https://www.rcmechanical.ca/

Follow the Host on:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

LinkedIn - HVAC Know It All Inc.: https://www.linkedin.com/company/hvac-know-it-all-inc

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/615679643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

Follow the Podcast on:

YouTube: https://www.youtube.com/@HVACKnowItAll

Spotify: https://open.spotify.com/show/6LCBJGw0EHG03rdWHxUMce

Apple Podcast: https://podcasts.apple.com/us/podcast/hvac-know-it-all-podcast/id1359253455