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The room
The following data apply to an A/C unit. Room sensible heat and latent heat are
11.6kW and 11.6 kW respectively, inside condition is 25°C DBT, 50% RH. Outside
design condition is 35 °C DBT and 27.8 °C, return air from the room is mixed with
outside air in the ratio of 4:1 before entering the cooler coil. Return air from the room
is mixed with the air leaving the coil in the ratio of 1:4. cooling coil bypass factor 0.1,
the air may reheated if necessary before supply to the room. Coil temperature is 10
°C. find a-supply air condition b- refrigeration load due to reheat c- total refrigeration
load capacity d- the quantity of fresh air supplied.
RSH. There
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supply con
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25°C, 50%
Qs=11.6
QI=11.6
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