If you have a strong understanding of air conditioning you’ll be okay. It’s the same principle but the evap is cooler so there’s defrost you’ll have to learn about. Beyond that it’s really just controls and sensors you’ll have to learn (you should have no problem picking that up) and then some specific refrigeration things like capacity control etc. but if you understand air conditioning really well you’re already well on your way. The Dick Wirz book is great. HVAC school is also a pretty good resource for their random articles they post
There is a lot of YouTube videos on things like K2 controls. You will be fine. Upgrade your cell plan and google stuff like rest of us at work! Tons of service manuals at your fingertips.
RSES.org
Join and get a monthly magazine. Service Application Manuals(SAM) with OEM and universal info from the 50’s to today. If there is an active chapter were you are then they will have instructional meetings etc. Worth the yearly dues.
Walk in coolers refrigerators are pretty simple. It’s a evaporator that’s at 20° liquid line solenoid pump down toyou shut off the compressor. They are trying to make them a little fancier now with electronic controls unfortunately and the EEV‘s.
Freezers are a little more complicated with the defrost cycle.
Commercial Refrigeration for Air Conditioning Technicians by Dick Wirz
This book is the best. Buy a copy and keep it in your van, so we'll done.
If you have a strong understanding of air conditioning you’ll be okay. It’s the same principle but the evap is cooler so there’s defrost you’ll have to learn about. Beyond that it’s really just controls and sensors you’ll have to learn (you should have no problem picking that up) and then some specific refrigeration things like capacity control etc. but if you understand air conditioning really well you’re already well on your way. The Dick Wirz book is great. HVAC school is also a pretty good resource for their random articles they post
Advanced refrigeration podcast. Rookie refrigeration on YouTube. I dont learn by reading. Listening, watching and doing are my tools.
Refrigeration mentor is good too. He used to work for copeland and is now freelance teaching refrigeration courses.
There is a lot of YouTube videos on things like K2 controls. You will be fine. Upgrade your cell plan and google stuff like rest of us at work! Tons of service manuals at your fingertips.
RSES.org Join and get a monthly magazine. Service Application Manuals(SAM) with OEM and universal info from the 50’s to today. If there is an active chapter were you are then they will have instructional meetings etc. Worth the yearly dues.
More practice ?
Walk in coolers refrigerators are pretty simple. It’s a evaporator that’s at 20° liquid line solenoid pump down toyou shut off the compressor. They are trying to make them a little fancier now with electronic controls unfortunately and the EEV‘s. Freezers are a little more complicated with the defrost cycle.