The oxidizer packets are a one-time use, although the mylar bags could possibly be cut down and reused. Cost of vacuum pump oil starts at $20 a gallon, although that oil can be filtered and reused. An oil-less pump is also an option but will be an upfront cost of
Places like Craigslist are great for buying more or less anything, but there are more specialized online stores for used electronics, such as EquipNet.com; you can also find used freeze dryers on eBay and Amazon.
I think a community-built troubleshooting manual is a great idea. These machines are simple in some ways, and more complex in others, and having a lot of eyes on the problem is always good.
Taking the time to be sure accurate air flow, drainage angle, and positioning of accessories such as drip pan can avoid mishaps, preserving you the two time and expense In the long term. A properly-executed set up is the initial step toward productive freeze drying adventures.
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Gas fryers and gas stoves are typically in commercial kitchens because they generate much more power. Overall, this range of commercial range has less components and can be easier to maintain and undergo less commercial repair.
seis) The first place was the cold return line into the compressor. It had insulation, but a second layer helped stop the constant drips. I used black electrical tape to secure the foam.
.. Hence the vapor barrier. But once I opened it up I figured I may as well insulate the bare ports as well, and insure that the water was diverted away from the electrics of the system. Once I sealed up the insides I noticed that the condensation on the front panel increased dramatically as the air was trapped between the plastic vapor barrier and the back of the front panel. That was when the drip rail was installed on the front of the unit.
The evaporator coils that touch the surface of the stainless steel vacuum chamber reach about -42 F. With food in the chamber and because the location of the thermister is on the middle shelf of the four shelves, the temperature it records is going to range from -25 to -30 F in the 9 hour default freeze time. This temperature is very adequate for freeze drying the food.
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I’ve seen Walmart offering freeze dryers online, at least. Here’s the link to their freeze dryers.
This product does not come standard with a new freeze dryer order. Current customers with an older model freeze dryer will need an adapter for the oil free vacuum pump. Harvest Right will provide the adapter free of charge.
Tony, if you see this, I went ahead and purchased the catch can. Do you think it's okay to just purchase a reducer to go from the size of the exhaust to the size of the hose that came with the website can?
And once you have resolved your issue I hope you will stay around and talk to us all about what you have been drying in your machine, etc.