Page 45 - Arebian

45

Rated Kw 282.60 Kw 282.60 Kw

No.of compressors 2 2

3 Observations

System 1 –Comp. no.1 Standby mode Standby mode

System 2 –Comp. no.1 Is on load Is on load

Dry bulb temp of 26 °C 26 °C
Ambient,°C

Wet bulb temp of 20 °C 20 °C
Ambient,°C

Oil level (observed through Sufficient for two Sufficient for two
sight glass) compressor units observed compressor units observed
from crankcase sight glass. from crankcase sight glass.

Sr.no Description Observations

Measurements starts at ,hr 10:30 am to 6:00 pm 10:30 am to 6:00 pm

Observed load in kW 112.8 Kw 85.8 kW

Percentage compressor loading % 59 % 43 %

Suction pressure, psig 51.2 psig 51.9 psig

Oil pressure, psig 63 psig 63 psig

Discharge pressure, psig 228 psig 195 psig

Evaporator Chilled water Inlet 13°C 13°C
temp,°C

Evaporator Chilled water Outlet 11.8 °C 11.6 °C
temp,°C

Average Delta T across evaporator,°C 1.2 °c 1.4°c

Evaporator inlet chilled water 4.2 Kg/cm2(g) 4.4 Kg/cm2(g)
pressure,Kg/cm2(g)

Evaporator Outlet chilled water 2.8 Kg/cm2(g) 3.0 Kg/cm2(g)
pressure,Kg/cm2(g)