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METI / ECCJ / ACE Training Program MTPEC04 (2006.02)

Equation for Req'd Compressor Power
Here, COPcarnot is Tc / (Tc - Te)
R is ratio of COPstandard against COPcarnot
is compressor efficiency, usually 0.8

Refrigeration Load
1 Product cooling
2 Heat of Respiration/Fermentation
3 Heat input through roof, floor & wall
4 Air infiltration through doorway
5 Internal loads (light, fan motor, lift truck & people)

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