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Thread: Pack/rack oil problem
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07-06-2013, 06:07 PM #1
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Pack/rack oil problem
1 hour ago
Have been having problems with and LT pack with 3 reciprocating comps on 404a , the pack was retro fitted from R408a without any problems . One of the compressors has a dedicated liquid/suction line to an ice cream freezer. The other two comps are give problems with oil fail , there's plenty of oil, in the reservoir but the two compressors are throwing out oil into the discharge goodo but the regulator (ESK mechanical) isn't allowing oil in. There's a pressure difference between the reservoir and the regulator so there's no problem with flow. Any questions ? suction 0.3 bar discharge 14 bar
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07-06-2013, 11:31 PM #2
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Re: Pack/rack oil problem
The ESK data recommends a differential pressure of 1.5 bar and a maximum of 6.5.
Also, of course, are they blocked or sticking floats?Brian - Newton Abbot, Devon, UK
Retired March 2015
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09-06-2013, 06:04 AM #3
jcortes Guest
Re: Pack/rack oil problem
change oil filter. may be clogged.
JC
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12-06-2013, 08:16 PM #4
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Re: Pack/rack oil problem
Could be Plugged Regulator or Check for a Pressurized Crankcase.
