Question about Sub-Zero 650 / O Bottom Freezer Refrigerator

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Sub-zero conversion I have a sub-zero 550 its a r-12 system want to covert to r-134a have new evaporator and a compressor as well but the compressor is not from sub-zero ,want to know what the specs are of a compressor that will work so i can see if i have the right one or one that is compatible to use on this conversion from r-12 to -134a this is the fresh food section ,the freezer is fine. basicly im looking for hp of compressor that will work,

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I can help You repair cheapest way your subzero if You r in Orange County California. Licensed, Insured, Cheapest way, many options. Compressors, sealed systems, "other companies could not fix" situations.

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1/8 HP

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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2 Answers

Can you use auto air conditioning R134a to fill the unit?


Different connections but this is the same freon.

Good Luck

Mar 21, 2013 | Sub-Zero 650 / O Bottom Freezer...

1 Answer

Convert r-12 to r134a

if the compressor is r12 and want to use it with 134a you need to change the oil in the compressor before you do the change, and while you change if make sure that he 1st 50oz of gas you charge it with the compressor off. its recommended r12 because it works better at high temperature.

Sep 05, 2012 | Sub-Zero Freezers

4 Answers

What type of freon is in GMC trucks of 1987?

R12.... In 1994 R134a was required, but some changed earlier. Yours may have been converted. If the service ports are threaded it still has R12. Hope this helps.

Jul 05, 2011 | 1987 GMC R1500

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Sub-zero 690/J 20 yrs old, compressor burned out friend's son is apprentice reefer mech he replaced compressor cut and reconnected only discharge and...


Nov 17, 2010 | Sub-Zero 690 Side by Side Refrigerator

1 Answer

Why is my evaporator, refrigerator and freezer not getting cold with the compressor running and what type of refrigerant does it use?

Your system uses R-134a refrigerant.

If the compressor is running but it's not cooling, you probably have a refrigerant leak or possibly a restriction in your evaporator.

Unfortunately, refrigerant leaks are not DIY friendly, so my advise would be to call a competent repairman.

Sep 28, 2010 | Randell 20072SC R-134a Refrigerator

2 Answers

Refridgerator does not get cool enough

Buttom freezer Sub Zero. Replacing evaporator for fresh food section.

Mar 31, 2010 | Sub-Zero Bottom Freezer Refrigerator

1 Answer

The compressor is working but there is no cooling at the freezer section and lower portion of the no frost GE refrigerator. I checked the evaporator coil and there is no frost. What could be the problem?

First make sure your condensor fan motor is running and your condensor is clean. If this is ok and If the compressor is running, and you have no cooling at the evaporator, you have a freon system problem. This means that you have a bad compressor, freon leak, or a freon system restriction. If the refer is under 5 years old, it usually has a 5 year system warrantee that covers everything, parts and labor. Some brands have longer warrantees, Sub-Zero has a 6 to 12 year warrantee. If your refrigerator does not have a warrantee on it, it is not worth repairing. In Seattle Washington , this repair is usually 900 to 1100.00 and we don't recommend it unless it is a very expensive refrigerator such as the 8000 to 12000.00 Sub Zeros. Good Luck, Appliance Specialists

Dec 31, 2009 | Refrigerators

2 Answers

Sub Zero 642 started humming when the compressor turns on

check your evaporator and, condenser fans and, lube them with machine oil one of the back ones is stuck
I would never get rid of my Sub Zero they are the best made and, I service all makes of refrigerators good for you; buying the best!

Apr 30, 2009 | Sub-Zero 642

1 Answer

650 sub zero fridge on 54 says needs service... everything warm f

Hi!! looks like you have a seal system problem..First make sure that the condensor motor is on and the compressor and indoor evaporator fan if yes..You have a seal system problem..

Jan 04, 2009 | Sub-Zero 650 / O Bottom Freezer...

4 Answers

Sub zero refrig - ice forming inside

The solution posted previously is TOTALLY WRONG. A Sub Zero ref doesn't have a heating element in the fresh food section. Only in the Frozen food section. It has 2 totally separate systems for each section. 2 Compressors and 2 evaporators. They share a condenser. If you are having ice build up in the refrigerator then the problem you are having is a refrigerant leak in the fresh food evaporator. You need to have a certified tech come out and replace the evaporator in your refrigerator section of your Sub Zero. Not sure what you are asking about the thermostat.

Oct 12, 2008 | Sub-Zero 661/F Side by Side Refrigerator

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