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Thread: Cheese Room Design 24V DC
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27-03-2006, 04:38 AM #1
Cheese Room Design 24V DC
My Father is trying to build a Goat cheese storage room for his farm. He wants to run it on 24V DC from his solar system. The room is almost built 15ft long 7ft high 7ft wide R80 insulation all round. He wants to keep it at 50F year round, and the hottest it gets here in the summer is 90F.
The question is what would be the best type/most efficient refrigeration system for this room and what special things should we consider when spec-ing a cooling system for this room.
Any help would be greatly appreciated.
Thanks
JB
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28-03-2006, 09:19 PM #2
Re: Cheese Room Design 24V DC
With only 24V available from the solar generator I suppose you should consider a Peltier type cooler
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28-03-2006, 10:18 PM #3
Re: Cheese Room Design 24V DC
Although Danfoss make 12vdc and 24vdc compressors, the BDF range.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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28-03-2006, 10:27 PM #4
Re: Cheese Room Design 24V DC
Danfoss do a 24 vdc refrigeration compressor for caravan & lorry cab fridges, but I'm not sure it'd have sufficient ouptut to cool the size of room you've given, even with the req'd. 50 deg. F which isn't too low. If you were to go this route you also need to know the available wattage from the solar panels.
Noah had to leave the dinosaurs behind as they would've sunk the boat.
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29-03-2006, 09:16 PM #5
Re: Cheese Room Design 24V DC
Hi jbelding,
Goats cheese can be tricky, is it simple soft white cheese or one of these smelly good things?
If you don't have electricity there, forget it, it will never work properly.
About 1.5 TR will do the job.
If you tell us what kind of cheese your dad is going to store, I can give you some helpful tips.
Chemi
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30-03-2006, 03:13 AM #6
Re: Cheese Room Design 24V DC
His cheese is the hard smelly kind that needs to age for many months; hence the need for the storage room. He does have access to the grid, but he wanted to try to use the substantial solar system he has.
Thanks again for the help
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01-04-2006, 05:13 PM #7
Re: Cheese Room Design 24V DC
What about an absorption system that runs from thermal solar collectors? If designed correctly, firewood can be used as a back up heat source.
"If Hannah was an air handler, I would be a condensing unit so I could open her TXV and pump my refrigerant through her coils." - a HVAC friend of mine
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01-04-2006, 07:13 PM #8
Re: Cheese Room Design 24V DC
Hi Hi jbelding,
Take into consideration that you will have to get rid of ammonia fumes from the cheese. If you do not change the air in the room, you will get holes in the copper pipes. SS coil is very expensive, epoxy coating will hold for many years.
I would check that absorption option.
Chemi
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02-04-2006, 02:41 PM #9
Re: Cheese Room Design 24V DC
Originally Posted by star882
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02-04-2006, 02:47 PM #10
Re: Cheese Room Design 24V DC
Originally Posted by chemi-cool
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02-04-2006, 03:23 PM #11
Re: Cheese Room Design 24V DC
I'm the dad with the goats and "in construction" cheese making facility. Would you explain an absorbtion system? Thanks
http://en.wikipedia.org/wiki/Gas_abs...n_refrigerator"If Hannah was an air handler, I would be a condensing unit so I could open her TXV and pump my refrigerant through her coils." - a HVAC friend of mine
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