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AC sentral adalah sistem pendingin terpusat yg penyaluran udaranya kebanyakan melalui ducting dan media heat exchangernya memakai air atau water.
Istilah dalam AC Sentral :
1. Water cooled packaged water chiller
2. CHWP = Chilled water Pump
3. CWP = Condenser Water Pump
4. CT = Cooling Tower
5. Delta T ( Temperature )= T in - T out
6. PD (pressure Drop ) = P in - P out
7. Approached Temperature = T con ( Temperature Refrigerant Condentation ) - T out ( water condenser )
8. Flow rate (Aliran air) = GPM ( galon per minute )
9. Efficiency = KW (input) / TR ( Ton refrigeration )
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