I've put some futher thought into this, with regards to the fridge's cooling capacity. Atleast to maintain 55*f in an insulated room, and this # falls out of spec. I think 67*f is a more reasonable (#)number. But this depends on ambient temps around storage. Im figuring 90*f.
This is related to the 300 cases of wine.
"What i had in mind was to build a foam insulation box around 300 cases of wine and put the freezer in there with the hot air from the unit venting outside of the box and the cool air from inside the unit is driven out into the box with a small fan.
-JW1111"
What temp do you actually need to maintain the wine at JW1111? It does make a huge difference in relation to the hottest you expect to encounter with relation to ambient temps.
"What i had in mind was -and put the freezer in there -with the hot air from the unit venting outside of the box -JW1111"
Yes this is obvious, not only would you have to break the system open, you'd have to lengthen the connection pipes to the condencer(the hot part of the system). So that the condencer of the fridge was outside the insulated zone.
"and the cool air from inside the unit is driven out into the box with a small fan.- JW1111"
The evaporator(cold part of the system) would most likely need some heatsinks welded to it, with a gtaw(tig) welder while you had the system discharged(most likely the evaporator is aluminum). But the idea of a fan re-circulating air over the modified evaporator, within the insulated room is okay.(obviously)
Providing you calculate the extra refrigerent needed, and not over-charge the system, you would be very close. Im guessing your using 134a.
However, if the system was never opened, you could not mount the heatsink to the evaporator, so you'd have less cooling surface area for your fan to pass air across.
Again, its very close. Depends on ambient temps and the temp you expect to maintain.
I see no problem with the wall unit, if its on re-circulating cooling mode for the cooling air, to chill things down, before your fridge idea is put on line. But you may find you need more cooling capacity than such a converted fridge can provide. Maybe not, but you will need the larger cooling capacity AC wall unit, to get things within a range that you can even find out.
One things for sure, the insulation will be the best money spent if you go thru all the trouble. You may have to go back and forth some, to get what you need out of the refridgeration systems.
All things considered, its going to be one hell of a project to get right.
JW
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