@rtikulasi

Abstrak
ABSTRAK
Air sebagai refrigeran sekunder pada sistem water chiller digunakan untuk mengkondisikan ruangan. Temperatur di dalam ruangan hotel mencapai 76,10F dari kondisi temperatur awal 71,60F. Akibatnya temperatur di dalam ruangan naik hingga 4,50F. Tujuan penelitian iniuntuk mengetahui penyebab terjadinya kenaikan temperatur ruangan dengan menganalisa kapasitas pendinginan aktual unit water chiller, terhadap total beban pendinginan ruangan yang harus ditanggulangi. Metode penelitian yang digunakan yaitu pengamatan dan pengukuran langsung terhadap kondisi unit water chilleruntuk aplikasi heat recovery. Hasil penelitian diperoleh kapasitas pendinginan aktual unitwater chiller sebesar 90,15 TR. Total beban pendinginan ruangan yang harus ditanggulangi 95,1 TR. Kapasitas pendinginan awal unit water chiller 103,2 TR. Hasil penelitian menunjukan bahwa unjuk kerja kapasitas pendinginan unitwater chiller mengalami penurunan hingga 13,05 TR. Akibatnya temperatur naik di dalam ruangan hotel karena 4,95 TR beban pendinginan ruangan tidak teratasi.
Kata kunci:beban pendinginan, unjuk kerja,water chiller, heat recovery.

ABSTRACT
Water as a secondary refrigerant in the water chiller systems used to condition the room. The temperature inside the hotel room reaches 76,10F of the initial conditions of temperature 71,60F. As a result, the temperature in the room rose to 4,5 0F. The purpose of this research was to determine the cause of the increasetemperature in the room by analyzing the actual cooling capacity water chiller units, the total room cooling load that must be addressed. The method used is direct observation and measurement of the condition water chiller units for specific heat recovery applications. The result showed the actual cooling capacity of water chiller units 90,15 TR. Total room cooling load that must be addressed 95,1 TR. Initial cooling capacity water chiller units 103,2 TR. The results showed that the performance of the cooling capacity water chiller units has decreased by 13,05 TR. As a result, the temperature rises in the hotel room because the room cooling load of 4,95 TR is not resolved.
Keywords: cooling load,performance,water chiller, heat recovery.