McQuay M4LC Especificaciones Pagina 210

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64
Details:
1
st
Step:
To obtain the Total capacity and Sensible capacity for
(a) Indoor Condition: 24°C DB, 15°C WB
Outdoor Condition: 35°C DB
Total capacity, TC
x
1
= 3.295kW (Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 35°C Outdoor WB)*
Sensible capacity, SC
Extrapolation Method:
y
1
= 2.474kW
(b) Indoor Condition: 24°C DB, 15°C WB
Outdoor Condition: 40°C DB
Total capacity, TC
x
2
= 2.995kW (Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 40°C Outdoor WB)*
Sensible capacity, SC
Extrapolation Method:
y
2
= 2.158kW
* This is due to 2 different conditions with same WB temperature, will have the same level of enthalpy. For
more details, please refer to psychrometrics chart
17°C - 15°C
=
2.288kW - y
1
17°C - 16°C 2.288kW - 2.381kW
17°C - 15°C
=
1.954kW - y
2
17°C - 16°C 1.954kW - 2.056kW
Outdoor DB ° C
Indoor DB Indoor WB 35
° C ° C TC (kW) SC (kW)
15 x
1
y
1
24 16 3.363 2.381
17 3.431 2.288
Outdoor DB ° C
Indoor DB Indoor WB 40
° C ° C TC (kW) SC (kW)
15 x
2
y
2
24 16 3.066 2.056
17 3.137 1.954
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