McQuay M5HDC Especificaciones Pagina 26

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25
M5HDC-2010
Performance Data
2
nd
Step:
Indoor DB
˚C
Indoor WB
˚C
Outdoor DB,˚C
35
TC (kW) SC (kW)
....
....
20 15
........................
3.295
23 15
x
3
y
3
24 15 3.295
1.510
2.474
Total capacity, TC
x
3
= 3.295kW
(Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 35°C Outdoor WB)*
Sensible capacity, SC
Interpolation Method:
24º C – 20º C
=
2.474kW – 1.510kW
2.474kW – y
3
24º C – 23º C
y
1
= 2.233kW
(b) Indoor Condition: 23°C DB, 15°C WB
Outdoor Condition: 40°C DB
Indoor DB
˚C
Indoor WB
˚C
Outdoor DB,˚C
40
TC (kW)
....
....
20 15
.........................
2.995
23 15
x
4
y
4
24 15 2.995
1.195
2.158
Total capacity, TC
x
4
= 2.995kW
(Same as Total capacity at 20°C Indoor DB / 15°C Indoor WB & 40°C Outdoor WB)*
Sensible capacity, SC
Interpolation Method:
24º C – 20º C
24º C – 23º C
=
2.158kW – 1.195kW
2.158kW - y
1
y
2
= 1.597kW
* 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
To obtain the Total capacity and Sensible capacity for
(a) Indoor Condition: 23°C DB, 15°C WB
Outdoor Condition: 35°C DB
SC (kW)
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