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29-05-2008, 08:03 PM #1
Refrigeration system charge calculation query.
I am working on a low temperature refrigeration system (-35 Deg F SST, 8 TR capacity, R404A Dx system, flooded condenser for winter operation).
I am using following estimate of refrigerant charge,
System refrigerant charge = (weight of liquid refrigerant with 50% of evaporator filled with liquid) + (Receiver winter charge)
Is this estimation method correct?
Is there any other better method / approach for calculating the refrigerant charge in a system?
Thanks.
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