Carrier WeatherMaker 48TC Series Product Data page 50

Table 29 – COOLING CAPACITIES
48TC12 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC 142.85
SHC
75
kW
TC 132.33
SHC
85
kW
TC 121.41
95 SHC
kW
TC 110.04
SHC
105
kW
TC
115
SHC
kW
48TC12 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC
80 SHC --- 0.44
kW
TC
SHC
75
kW
TC
SHC
70
kW
TC
60 SHC
kW
TC
SHC
50
kW
TC
SHC
40
kW
LEGEND
Edb --- Entering Dry--- Bulb
Ewb --- Entering Wet--- Bulb
kW --- Compressor Motor Power Input
Idb --- Leaving Dry--- Bulb
Iwb --- Leaving Wet--- Bulb
SHC --- Sensible Heat Capacity (1000 Btuh) Gross
TC --- Total Capacity (1000 Btuh) Gross
2- - STAGE COOLING
3000/0.04
72 67 62
129.44 116.93
58.38 74.88 91.58
7.19 6.97 6.79
119.68 107.86
48.44 65.56 82.83
7.98 7.77 7.58
109.52 98.43
38.19 55.92 73.78
8.87 8.66 8.48
98.92 88.56
27.59 45.94 64.39
9.86 9.66 9.48
98.09 87.74 78.13
16.52 35.47 54.53
10.95 10.76 10.60
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)
3000 4000 5000
44.78 39.41 31.89
--- 0.57 --- 0.69
6.96 6.77 6.52
45.84 40.46 32.86
0.53 0.40 0.29
6.77 6.56 6.29
46.91 41.48 33.50
1.51 1.38 1.27
6.54 6.32 6.02
48.88 43.42 35.76
3.44 3.34 3.24
6.45 6.16 6.70
50.83 45.28 37.67
5.38 5.29 5.20
6.46 6.01 6.34
52.82 47.29 39.50
7.32 7.24 7.20
6.29 6.09 6.12
AIR ENTERING EVAPORATOR --- CFM
4000/0.06
Air Entering Evaporator --- Ewb (F)
72 67
152.09 138.44
67.96 89.45
6.92 7.12
140.92 128.03
57.37 79.50
7.72 7.92
129.35 117.22
46.47 69.22
8.61 8.80
117.27 105.94
35.16 58.57
9.61 9.79
104.62 94.08
23.37 47.44
10.72 10.89
AIR ENTERING EVAPORATOR --- Ewb (F)
75 Dry Bulb
64 Wet Bulb
(56% Relative)
Air Entering Evaporator --- Cfm
3000 4000
53.22 49.44
--- 0.37 --- 0.51
7.26 7.13
54.28 50.51
0.60 0.47
7.11 6.95
55.36 51.59
1.57 1.45
6.90 6.74
57.29 53.56
3.51 3.40
6.93 6.72
59.22 55.52
5.45 5.36
6.98 6.71
61.14 57.48
7.38 7.31
7.05 6.72
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
t = t –
ldb edb
t = Wet--- bulb temperature corresponding to enthalpy of air
lwb
leaving evaporator coil (h
h = h –
lwb ewb
Where: h = Enthalpy of air entering evaporator coil
ewb
50
5000/0.07
62 72 67
125.76 157.99 144.23
111.02 76.63 102.94
7.35 7.45 7.22
116.10 146.41 133.41
101.68 65.65 92.58
8.14 8.25 8.01
106.04 134.43 122.20
92.01 54.34 81.92
9.03 9.14 8.90
95.53 121.88 110.46
81.98 42.56 70.82
10.02 10.12 9.89
84.45 108.76 98.13
71.46 30.32 59.25
11.10 11.19 10.98
75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
5000 3000 4000
43.38 60.56 58.12
--- 0.61 --- 0.33 --- 0.46
6.91 7.54 7.45
44.45 61.61 59.19
0.37 0.64 0.52
6.72 7.41 7.31
45.50 62.69 60.28
1.35 1.61 1.50
6.49 7.23 7.13
47.48 64.56 62.16
3.31 3.55 3.45
6.39 7.38 7.24
49.43 66.05 64.03
5.28 5.48 5.40
6.29 8.15 7.38
51.39 68.23 65.88
7.24 7.43 7.36
6.29 7.78 7.55
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
10 TONS
62
132.06
127.93
7.02
121.98
118.12
7.82
111.50
107.96
8.71
100.54
97.40
9.70
89.01
86.31
10.81
5000
53.32
--- 0.56
7.27
54.40
0.42
7.12
55.49
1.40
6.92
57.42
3.37
6.96
59.34
5.33
7.02
61.25
7.29
7.10