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Thread: Cascade system -90*C
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25-04-2011, 02:20 PM #1
Cascade system -90*C
hii all,
iam new in this forum, please give me some advise cause my problem as follow :
my cascade system using two compressor Danfoss gs26clx for both stage.
Condensor 1 HP Power, Filter Drier, Double Pipe Hx, Expansion Tank 1 Hp.
High Stage Refrigerant using R1270 and Low Stage Refrigerant using R1150.
Freezer Evaporator about 260 Ltr. need temperature -90*C.
that system already running very well almost 1 week. after that the low stage LP become vaccum zone. and temperature going rise up to the room temperature.
somebody please help me to solve this problem.
thanks,
Regards,
Edi
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18-05-2011, 05:38 PM #2
Re: Cascade system -90*C
when the system where ok then what was the Ampir of the system. and after the fault what ampirs shows on A meter.
2nd. what is the pozition of bubbles in sight glass.
3rd. what is the gauge pressure when system is not working.
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18-05-2011, 05:39 PM #3
Re: Cascade system -90*C
tell me the full detal of ur cooling unit.
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30-06-2011, 02:13 AM #4
Re: Cascade system -90*C
Most likely oil logging.. Use some kind of solvent to flush through the cap tube. To confirm the logging check the evap temperature inlet and outlet ( if its possible).