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Thread: Hot gas/Cool gas defrost
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02-04-2002, 10:30 PM #1
Hot gas/Cool gas defrost
Hi guys,
i have another query youll be able to shed light on.
I have a low temp pack that utillizes both hot(direct discharge) gas and what i term as cool(off top of reciever)gas as defrost.
The system was set up for cool gas defrost,but over the months ive been monitoring pack for ive found excessive frosting of low side stubs, accums,drier cores etc.
Even been causing oilpress tripping on one or two comps where excessive frosting has been occuring.
S/HEAT ETC OK!EVEN DRAINED ONE BLOWER TO SEE IF I HAD EXCESSIVE OIL RESIDING IN THERE!
I changed defrost from cool to hot gas and for the last 6months stubs fine no nuisance trippin on oil even oil back in resevoir,can you tell me my advantages and disadvantages to hot gas defrost vs cool gas
thanx again jonah
its good to be able to share problems and queries with other engineers because i tend to find i end up knowing more about job than my employer and also a lot of tech HELP desks!thanxl
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