compressor oil

[dunny123]

hi im changing the gas on a r22 freezer to r404a.Change expantion valve etc.Also i will drop the old oil out and replace with right oil for 404.my quetion is,will threre still be oil in oil sep,or will just changing the oil do?Thanks

[D.D.KORANNE]

Drain the separator & pre-charge ester oil as marked on oil separator. Besides, while system operates with ester oil ,change the oil one more time . This would remove left over mineral oil .

[cold12]

Hi guys, Im new to this site,and it looks like there's a wealth of information here. I have a question concerning a walk-in cooler, useing 407,what is the pressure for a 40 degree space temp unable to find press/temp chart. Thanks

[cold12]

Hi guys, Im new to this site,and it looks like there's a wealth of information here. I have a question concerning a walk-in cooler, useing 407,what is the pressure for a 40 degree space temp unable to find press/temp chart. Thanks

Sorry Guys, wrong thread.

[Grizzly]

Hi Dunny.
.
read the attached regarding oil and refrigerant changes.
As specified by Copeland.

More experienced retrofit guys may be able to advise more.
Grizzly

[edcm718]

Hi there! I am replacing my old copeland compressor model KALB-015E with KALB-015L. They have the same power supply. What would be the differenc if the other one is "Less Oil" (code L)? Should I add oil to it? Thanks!

[sendhilkmar]

Just verify the Specs of both the models. I think the oil qty. Of both the models are same.

[edcm718]

Just verify the Specs of both the models. I think the oil qty. Of both the models are same.

Thanks for the reply. I already compared the two compressors and almost all details are the same. Thanks again!

[Toosh]

Sorry Guys, wrong thread.

Here ya go

http://arkemaus.com/pdf/fluorochem/F..._pres_temp.pdf

norm

[Fri3Oil System]

it's always better to clean the whole circuit and remove 100% of MO, so you can gon to the refrigerant you want.
check this video:
http://www.fri3oilsystem.com/ingles/video/video.html