Fujitsu M10 Series - Page 66

48 C120-H007-08EN
CHAPTER 4 Air Conditioning
Air conditioner sensible
heat cooling capacity
(when calculated on the
basis of sensible heat
enthalpy differences)
124.4 MJ/h
(117,931 Btu/h)
(i
4
- i
3
)  Flow rate/Specific volume
=12.9 (kJ/kg) 135 (m
3
/min)  60 (min/h) /
0.84 (m
3
/kg)
=5.5 (Btu/lb)  4770 (ft
3
/min) 
60 (min/h) / 13.5 (ft
3
/lb)
Air conditioner sensible
heat cooling capacity
(when calculated on the
basis of temperature
differences)
124.4 MJ/h
(117,931 Btu/h)
(T
1
- T
3
)  Specific heat  Flow
rate/ Specific volume
=(24-11.1)(C)  1[kJ/(kg  C)]
 135 (m
3
/min)  60 (min/h)
/ 0.84 (m
3
/kg)
=(75.2-52)(F)  0.24[Btu/(lbF)]  4770
(ft
3
/min)  60 (min/h) / 13.5 (ft
3
/lb)
Table 4.6 Examples of typical air conditioner cooling capacity calculations (2/2)
Item Calculated value Calculation method