Freeze dryer operator training
Sixty-one minutes filmed on the machine with the engineer who commissions them, cut into 19 chapters you can go straight to. Everything from the first start after delivery to what to do when a batch comes out still wet.
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19 chapters · 61 minutes · filmed on a LEO-030
Why we film this
Buying the machine is the straightforward part. Running it well means knowing what each stage is for, what the three monitored parameters should read at each point, and what to do when a batch comes out wrong.
So the training is filmed on the machine itself rather than written as a manual, and it stays available to the people operating yours, before the first batch, and every time something looks off.
What the session covers
Principles
- Two machines in one · freeze drying vs. vacuum drying3 min
Setup and first run
- Connecting and starting the machine3 min
- Wi-Fi setup and remote monitoring3 min
- First run after delivery · the 30-minute verification test3 min
Running a batch
- Stage 1 · Freezing: duration, shelf pre-cooling, loading5 min
- Stage 2 · Sublimation: shelf temperature and protecting the product4 min
- Stage 3 · Drying, target residual moisture and unloading3 min
- Defrosting, air-in / liquid-out valves and manual door release4 min
- The three parameters to monitor, stage by stage4 min
- A clean, dry chamber before the next batch (and delay start)3 min
- Sweet mode · vacuum drying candy and sweets2 min
- Rescue · the product came out still wet4 min
Quality control
- Measuring residual moisture with a moisture analyzer3 min
Maintenance and hardware
- Vacuum pump oil · how to judge it, when to change it3 min
- Checking and adjusting the door seal2 min
- Power-outage backup module (compact units)2 min
- Inside the machine · pump, compressor, electrical cabinet4 min
- Trays, shelf spacing and cleaning4 min
- Candy loading system2 min
Getting access
Sixteen of the nineteen chapters play straight away, with no account. The other three cover pump oil, the door seal and the inside of the machine; those open once you log in and register your Leosmak.
Three chapters open once you register your machine.
Watch it now
Every chapter plays in the browser and carries its full transcript, so you can read it instead if that is faster.