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Thread: condensers
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17-07-2008, 10:06 PM #1
condensers
can anyone tel me how to calculate condenser size from evap duty
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18-07-2008, 12:20 AM #2
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18-07-2008, 01:11 AM #3
Re: condensers
You can't.
Condenser heat rejected = evaporator heat absorbed + heat of compression
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18-07-2008, 02:35 AM #4
Re: condensers
If you know the evaporator temperature and you have the evaporator load then you need a mfg heat rejection factor for either an open compressor or a suction cooled compressor EX; evaporator load = 12,000 btu
evaporator temperature = 20*F
from mfg condensing table for suction cooled compressor the temperature heat correction factor = 1.33 for say 110 condensing temperature = ~ 4,000 btu for a total of 14,000 btu condenser.I would use 15,000 btu. If I wanted to know what HP fan motor to use I would devide 15,000 btu/1.08 x TD = CFM for air cooled condenser
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