I now own a Freezer

[Ravilj]

I am now a proud (not so proud) owner of a general electric freezer. Now there are just a few questions I have regarding it. I fear its still using a CFC refrigerant but hopefully you can help me figure out since there is no data on the damn thing.

Description:
1st off the compressor has an output which goes through one loop of the condensor than back into the compressor and than back out into the other loops in the condensor. The condensor is than connected to a drier and than to the cap tube. Could someone explain why this is?

http://www.planetmars.co.za/forums/uploads/post-79-1082827576.jpg

As I said above the compressor has no data on it except for an H6 on it, if you look in the image attached you can see its size compared to that of a CD. Any idea what hp it is? and Any idea what refrigerant it uses? R134a possibly?

http://www.planetmars.co.za/forums/uploads/post-79-1082827931.jpg

The evaporator consists of 4 shelves. There is a really large drier (guessing) inside the freezer.

http://www.planetmars.co.za/forums/uploads/post-79-1082828109.jpg
The funny ?drier?...
http://www.planetmars.co.za/forums/uploads/post-79-1082828209.jpg

In conclusion hopefully this will turn itself into a nice direct die cooler once I've worked out the above questions than can start finding out about the cap sizes and evaporator, etc.

[Ravilj]

oh if just for argument sake if any one knows general electrics products from way back the model number is: GF11A. The ratings on it are Votage: 220/250V @ 2.5-3Amps

[Gary Lloyd]

The extra loop through the condenser is an oil cooler loop. The two bottom connections on your compressor are for this purpose. They are not needed. You can simply cut them off and ignore them. They don't even need to be sealed.

There should be a sticker on the inside wall which has info about the system, including type of refrigerant.

[Ravilj]

I searched the freezer inside out and there is no sticker that is readable. :( Is there any other way of determining what refrigerant and Hp the compressor uses and is?

What would a compressor that ran with a CFC refrigerant be able to compress? Is it possible?

[a5h]

r u planning to re-gas it? or just curious about what refrigerant is in it etc.

[Blergo]

he plans to make a direct die cooler so no doubt he will want to regas it anyway :) (and i would change the oil anyway)

the only thing that matters is if it is CFC refrigerant you arent sposed to just cut a pipa and let the refrigerant out.

[Ravilj]

Yup think its better to just pop into our local fridge/freezer repair man and get him to sort it out for me. Than build it and get it regassed afterward.

Still anyone know if an old CFC compressor would work with the newer refrigerants if so what?

[Blergo]

i would change the oil to POE. not sure what refrigerant i would use tough, probably R22 (as it is the cheapest i can get atm).
owen

[chilly1]

If that is a pre 1990 Ge refrigerator than there is a very good chance that using POE oil is not an option. The rubber mounting on the copmpressor and the motor insulation will be DISSOLVED by the OIL. You can use R507 with mineral oil. After you have vacumed the system down to 250 microns add to 3 psi propane, this will act as a catalyst for the oil so that you will get a good oil return, you will lose a couple of degress, in fact with the addition of propane the 507 will have nearly the same charisitice as 404 and also have the ability to work with the older compressors and mineral oil... I am doing just this on a gpu cascade first stage I built for FUGGER.

[Ravilj]

Yeah I am willing to bet its definately a pre 1990 freezer, bugger. The only problem now is to find someone to do this for me since I dont have the equipment, thanks for the instruction chilly. If it doesnt work out for the best than back to finding a newer fridge/freezer... :(